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Chapter 14. Upgrading Red Hat OpenStack platform with NFV
Chapter 14. Upgrading Red Hat OpenStack platform with NFV For more information about upgrading Red Hat OpenStack Platform (RHOSP) with OVS-DPDK configured, see Preparing network functions virtualization (NFV) in the Framework for upgrades (16.2 to 17.1) guide.
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https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/configuring_network_functions_virtualization/upgrade-rhosp-nfv_rhosp-nfv
Preface
Preface Open Java Development Kit (OpenJDK) is a free and open source implementation of the Java Platform, Standard Edition (Java SE). The Red Hat build of OpenJDK is available in three versions: 8u, 11u, and 17u. Packages for the Red Hat build of OpenJDK are made available on Red Hat Enterprise Linux and Microsoft Win...
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https://docs.redhat.com/en/documentation/red_hat_build_of_openjdk/11/html/release_notes_for_red_hat_build_of_openjdk_11.0.17/pr01
Chapter 387. Master RoutePolicy
Chapter 387. Master RoutePolicy You can also use a RoutePolicy to control routes in master/slave mode. When doing so you must configure the route policy with url to zookeeper ensemble name of cluster group important and set the route to not auto startup A little example MasterRoutePolicy master = new MasterRoutePolicy(...
[ "MasterRoutePolicy master = new MasterRoutePolicy(); master.setZooKeeperUrl(\"localhost:2181\"); master.setGroupName(\"myGroup\"); // its import to set the route to not auto startup // as we let the route policy start/stop the routes when it becomes a master/slave etc from(\"file:target/inbox?delete=true\").noAutoS...
https://docs.redhat.com/en/documentation/red_hat_fuse/7.13/html/apache_camel_component_reference/master_routepolicy
Chapter 5. Deploying a DCN node set
Chapter 5. Deploying a DCN node set Node sets are deployed using the same procedures, whether you deploy them at the central location, or at a remote location. Deploy each edge location in a separate availability zone. For example, deploy the central location node set at az0 , deploy the first edge site at az1 , and so...
[ "apiVersion: dataplane.openstack.org/v1beta1 kind: OpenStackDataPlaneNodeSet metadata: name: dcn-data-plane-networks namespace: openstack spec: env: - name: ANSIBLE_FORCE_COLOR value: \"True\"", "spec: services: - bootstrap - configure-network - validate-network - install-os - ceph-hci-pre - configure-os - ssh-kn...
https://docs.redhat.com/en/documentation/red_hat_openstack_services_on_openshift/18.0/html/deploying_a_distributed_compute_node_dcn_architecture/assembly_deploying-a-dcn-node-set
5.8. Multipath Queries with multipath Command
5.8. Multipath Queries with multipath Command You can use the -l and -ll options of the multipath command to display the current multipath configuration. The -l option displays multipath topology gathered from information in sysfs and the device mapper. The -ll option displays the information the -l option displays in ...
[ "multipath -l 3600d0230000000000e13955cc3757800 dm-1 WINSYS,SF2372 size=269G features='0' hwhandler='0' wp=rw |-+- policy='round-robin 0' prio=1 status=active | `- 6:0:0:0 sdb 8:16 active ready running `-+- policy='round-robin 0' prio=1 status=enabled `- 7:0:0:0 sdf 8:80 active ready running", "multipath -ll 3600...
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/dm_multipath/multipath_queries
Chapter 8. Uninstalling an Operator installation on OpenShift Container Platform
Chapter 8. Uninstalling an Operator installation on OpenShift Container Platform To delete the dynamic plug-ins from your installation, you must edit the ConfigMaps that reference Ansible. The deployment auto reloads when the ConfigMaps are updated. You do not need to reload the deployment manually. 8.1. Removing the A...
[ "kind: ConfigMap apiVersion: v1 metadata: name: rhaap-dynamic-plugins-config data: dynamic-plugins.yaml: | plugins: # Remove the Ansible plug-ins entries below the 'plugins' YAML key - disabled: false package: 'http://plugin-registry:8080/ansible-plugin-backstage-rhaap-x.y.z.tgz' integrity: <SHA512 value> - disable...
https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.4/html/installing_ansible_plug-ins_for_red_hat_developer_hub/rhdh-uninstall-ocp-operatoraap-plugin-rhdh-installing
Preface
Preface This document provides an outline of the options available in the OpenStack dashboard graphical user interface.
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https://docs.redhat.com/en/documentation/red_hat_openstack_platform/16.0/html/introduction_to_the_openstack_dashboard/pr01
Chapter 3. Ansible Automation Platform post-upgrade steps
Chapter 3. Ansible Automation Platform post-upgrade steps After a successful upgrade to Ansible Automation Platform 2.5, the crucial step is migrating your users to the latest version of the platform. User data and legacy authentication settings from automation controller and private automation hub are carried over dur...
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https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/rpm_upgrade_and_migration/aap-post-upgrade
4.2. Logical Volume Creation Overview
4.2. Logical Volume Creation Overview The following is a summary of the steps to perform to create an LVM logical volume. Initialize the partitions you will use for the LVM volume as physical volumes (this labels them). Create a volume group. Create a logical volume. After creating the logical volume you can create and...
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https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/logical_volume_manager_administration/creation_overview
Chapter 2. Load balancing with the Apache Tomcat connector (mod_jk)
Chapter 2. Load balancing with the Apache Tomcat connector (mod_jk) The Apache Tomcat Connector, mod_jk , is a plug-in that allows the Apache HTTP Server to forward web requests to a back-end servlet container. The mod_jk module also allows the Apache HTTP Server to load-balance requests to a set of servlet containers,...
[ "dnf install mod_jk", "rpm -q mod_jk", "Load mod_jk module Specify the filename of the mod_jk lib LoadModule jk_module modules/mod_jk.so Where to find workers.properties JkWorkersFile conf.d/workers.properties Where to put jk logs JkLogFile logs/mod_jk.log Set the jk log level [debug/error/info] JkLogLevel info...
https://docs.redhat.com/en/documentation/red_hat_jboss_core_services/2.4.57/html/apache_http_server_connectors_and_load_balancing_guide/tomcat_connector_mod_jk
Migrating Fuse 7 Applications to Camel Extensions for Quarkus
Migrating Fuse 7 Applications to Camel Extensions for Quarkus Red Hat build of Apache Camel Extensions for Quarkus 2.13 Migrating Fuse 7 Applications to Camel Extensions for Quarkus provided by Red Hat Camel Extensions for Quarkus Documentation Team fuse-docs-support@redhat.com Camel Extensions for Quarkus Support Team...
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https://docs.redhat.com/en/documentation/red_hat_build_of_apache_camel_extensions_for_quarkus/2.13/html/migrating_fuse_7_applications_to_camel_extensions_for_quarkus/index
Chapter 5. Customizing the storage service
Chapter 5. Customizing the storage service The director heat template collection contains the necessary templates and environment files to enable a basic Ceph Storage configuration. Director uses the /usr/share/openstack-tripleo-heat-templates/environments/cephadm/cephadm.yaml environment file to add onfiguration to th...
[ "parameter_defaults: CinderEnableIscsiBackend: false CinderEnableRbdBackend: true CinderBackupBackend: ceph NovaEnableRbdBackend: true GlanceBackend: rbd", "openstack overcloud deploy --templates -e /usr/share/openstack-tripleo-heat-templates/environments/cephadm/cephadm-rbd-only.yaml", "openstack overcloud dep...
https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.0/html/deploying_red_hat_ceph_storage_and_red_hat_openstack_platform_together_with_director/assembly_customizing-the-storage-service_deployingcontainerizedrhcs
ROSA CLI
ROSA CLI Red Hat OpenShift Service on AWS 4 Learning how to use the command-line tools for Red Hat OpenShift Service on AWS Red Hat OpenShift Documentation Team
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https://docs.redhat.com/en/documentation/red_hat_openshift_service_on_aws/4/html/rosa_cli/index
Chapter 1. The Ceph architecture
Chapter 1. The Ceph architecture Red Hat Ceph Storage cluster is a distributed data object store designed to provide excellent performance, reliability and scalability. Distributed object stores are the future of storage, because they accommodate unstructured data, and because clients can use modern object interfaces a...
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https://docs.redhat.com/en/documentation/red_hat_ceph_storage/5/html/architecture_guide/the-ceph-architecture_arch
Appendix D. Revision History
Appendix D. Revision History Revision History Revision 0.1-95 Mon Aug 05 2018 Marie Dolezelova Version for 7.7 GA publication. Revision 0.1-87 Wed Jul 26 2017 Jana Heves Version for 7.4 GA publication. Revision 0.1-86 Mon Oct 17 2016 Marie Dolezelova Version for 7.3 GA publication. Revision 0.1-85 Mon Oct 17 2016 Marie...
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https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/desktop_migration_and_administration_guide/appe-documentation-desktop_migration_and_administration_guide-revision_history
Chapter 14. Strengthening Kerberos security with PAC information
Chapter 14. Strengthening Kerberos security with PAC information You can use Identity Management (IdM) with Privilege Attribute Certificate (PAC) information by default since RHEL 8.5. Also, you can enable Security Identifiers (SIDs) in IdM deployments that were installed before RHEL 8.5. 14.1. Privilege Attribute Cert...
[ "ipa config-mod --enable-sid --add-sids", "ipa user-show admin --all | grep ipantsecurityidentifier ipantsecurityidentifier: S-1-5-21-2633809701-976279387-419745629-500" ]
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/managing_idm_users_groups_hosts_and_access_control_rules/assembly_strengthening-kerberos-security-with-pac-information_managing-users-groups-hosts
probe::tcpmib.OutRsts
probe::tcpmib.OutRsts Name probe::tcpmib.OutRsts - Count the sending of a reset packet Synopsis tcpmib.OutRsts Values sk pointer to the struct sock being acted on op value to be added to the counter (default value of 1) Description The packet pointed to by skb is filtered by the function tcpmib_filter_key . If the pack...
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https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/systemtap_tapset_reference/api-tcpmib-outrsts
Chapter 81. Mail Microsoft Oauth
Chapter 81. Mail Microsoft Oauth Since Camel 3.18.4 . The Mail Microsoft OAuth2 provides an implementation of org.apache.camel.component.mail.MailAuthenticator to authenticate IMAP/POP/SMTP connections and access to Email via Spring's Mail support and the underlying JavaMail system. 81.1. Dependencies Add the following...
[ "<dependency> <groupId>org.apache.camel.springboot</groupId> <artifactId>camel-mail-microsoft-oauth</artifactId> </dependency>", "@BindToRegistry(\"auth\") public MicrosoftExchangeOnlineOAuth2MailAuthenticator exchangeAuthenticator(){ return new MicrosoftExchangeOnlineOAuth2MailAuthenticator(tenantId, clientId, c...
https://docs.redhat.com/en/documentation/red_hat_build_of_apache_camel/4.0/html/red_hat_build_of_apache_camel_for_spring_boot_reference/csb-camel-mail-microsoft-oauth-component-starter
Chapter 4. Known issues
Chapter 4. Known issues Resolved known issues for this release of Red Hat Trusted Profile Analyzer (RHTPA): The bombastic-collector does not handle special characters in the id field The collector-osv fails to ingest vulnerabilities with a CVSS_V4 severity A list of known issues found in this release: The spog-ui-pod-s...
[ "echo https://USD(oc get route keycloak -n keycloak-system | tail -n 1 | awk '{print USD2}')/auth", "scale deployment/keycloak-postgresql --replicas=0 scale deployment/rhsso-operator --replicas=0 scale deployment/keycloak-postgresql --replicas=1 scale deployment/rhsso-operator --replicas=1" ]
https://docs.redhat.com/en/documentation/red_hat_trusted_profile_analyzer/1.2/html/release_notes/known-issues
A.3. Explanation of Settings in the New Network Interface and Edit Network Interface Windows
A.3. Explanation of Settings in the New Network Interface and Edit Network Interface Windows These settings apply when you are adding or editing a virtual machine network interface. If you have more than one network interface attached to a virtual machine, you can put the virtual machine on more than one logical networ...
null
https://docs.redhat.com/en/documentation/red_hat_virtualization/4.3/html/virtual_machine_management_guide/virtual_machine_network_interface_dialogue_entries
Chapter 4. Configuration
Chapter 4. Configuration The AMQ JMS Pool ConnectionFactory implementation exposes several configuration options that control the behavior of the pool and the JMS resources it manages. The configuration options are exposed as set methods on the JmsPoolConnectionFactory object. For example, the maxConnections option is ...
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https://docs.redhat.com/en/documentation/red_hat_amq/2021.q3/html/using_the_amq_jms_pool_library/configuration
5.6. RAID and Other Disk Devices
5.6. RAID and Other Disk Devices Some storage technology requires special consideration when using Red Hat Enterprise Linux. Generally, it is important to understand how these technologies are configured, visible to Red Hat Enterprise Linux, and how support for them might have changed between major versions. 5.6.1. Har...
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https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/installation_guide/sect-installation-planning-partitioning-raid-x86
3.2. Creating Guests with virt-install
3.2. Creating Guests with virt-install You can use the virt-install command to create virtual machines and install operating system on those virtual machines from the command line. virt-install can be used either interactively or as part of a script to automate the creation of virtual machines. If you are using an inte...
[ "virt-install --help", "virt install -- option =?", "virt-install --name guest1-rhel7 --memory 2048 --vcpus 2 --disk size=8 --cdrom /path/to/rhel7.iso --os-variant rhel7", "virt-install --name guest1-rhel7 --memory 2048 --vcpus 2 --disk /path/to/imported/disk.qcow --import --os-variant rhel7", "virt-install...
https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/virtualization_deployment_and_administration_guide/sect-guest_virtual_machine_installation_overview-creating_guests_with_virt_install
Providing feedback on Red Hat build of Quarkus documentation
Providing feedback on Red Hat build of Quarkus documentation To report an error or to improve our documentation, log in to your Red Hat Jira account and submit an issue. If you do not have a Red Hat Jira account, then you will be prompted to create an account. Procedure Click the following link to create a ticket . Ent...
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https://docs.redhat.com/en/documentation/red_hat_build_of_quarkus/3.15/html/security_architecture/proc_providing-feedback-on-red-hat-documentation_security-architecture
Chapter 8. Access management for Red Hat Quay
Chapter 8. Access management for Red Hat Quay As a Quay.io user, you can create your own repositories and make them accessible to other users that are part of your instance. Alternatively, you can create an organization and associate a set of repositories directly to that organization, referred to as an organization re...
[ "curl -X GET -H \"Authorization: Bearer <your_access_token>\" \"<quay-server.example.com>/api/v1/organization/<organization_name>/team/<team_name>/permissions\"", "{\"permissions\": [{\"repository\": {\"name\": \"api-repo\", \"is_public\": true}, \"role\": \"admin\"}]}", "curl -X PUT -H \"Authorization: Bearer ...
https://docs.redhat.com/en/documentation/red_hat_quay/3/html/about_quay_io/use-quay-manage-repo
Chapter 10. Registering the Hypervisor and Virtual Machine
Chapter 10. Registering the Hypervisor and Virtual Machine Red Hat Enterprise Linux 6 and 7 require that every guest virtual machine is mapped to a specific hypervisor in order to ensure that every guest is allocated the same level of subscription service. To do this you need to install a subscription agent that automa...
[ "subscription-manager register --username= admin --password= secret --auto-attach", "yum install virt-who", "[libvirt] type=libvirt", "systemctl start virt-who.service systemctl enable virt-who.service", "2015-05-28 12:33:31,424 DEBUG: Libvirt domains found: [{'guestId': '58d59128-cfbb-4f2c-93de-230307db2ce...
https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/virtualization_deployment_and_administration_guide/reg-virt-machine
Chapter 3. Installing a cluster on IBM Power in a restricted network
Chapter 3. Installing a cluster on IBM Power in a restricted network In OpenShift Container Platform version 4.17, you can install a cluster on IBM Power(R) infrastructure that you provision in a restricted network. Important Additional considerations exist for non-bare metal platforms. Review the information in the gu...
[ "USDTTL 1W @ IN SOA ns1.example.com. root ( 2019070700 ; serial 3H ; refresh (3 hours) 30M ; retry (30 minutes) 2W ; expiry (2 weeks) 1W ) ; minimum (1 week) IN NS ns1.example.com. IN MX 10 smtp.example.com. ; ; ns1.example.com. IN A 192.168.1.5 smtp.example.com. IN A 192.168.1.5 ; helper.example.com. IN A 192.168....
https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/installing_on_ibm_power/installing-restricted-networks-ibm-power
Chapter 1. Installing 3scale API Management on OpenShift
Chapter 1. Installing 3scale API Management on OpenShift This section walks you through steps to deploy Red Hat 3scale API Management 2.15 on OpenShift. The 3scale solution for on-premises deployment is composed of: Two application programming interface (API) gateways: embedded APIcast. One 3scale Admin Portal and Deve...
[ "oc new-project 3scale-project", "Removing the operator will not remove any of its custom resource definitions or managed resources. If your operator has deployed applications on the cluster or configured off-cluster resources, these will continue to run and need to be cleaned up manually. This action removes the...
https://docs.redhat.com/en/documentation/red_hat_3scale_api_management/2.15/html/installing_red_hat_3scale_api_management/install-threescale-on-openshift-guide
Console APIs
Console APIs OpenShift Container Platform 4.13 Reference guide for console APIs Red Hat OpenShift Documentation Team
null
https://docs.redhat.com/en/documentation/openshift_container_platform/4.13/html-single/console_apis/index
13.2.27. Seeding Users into the SSSD Cache During Kickstart
13.2.27. Seeding Users into the SSSD Cache During Kickstart Note Adding user accounts manually requires the sssd-tools package to be installed. With SSSD, users in a remote domain are not available in a local system until that identity is retrieved from the identity provider. However, some network interfaces are not av...
[ "sss_seed --domain EXAMPLE.COM --username testuser --password-file /tmp/sssd-pwd.txt", "function make_sssd { cat <<- _EOF_ [sssd] domains = LOCAL services = nss,pam [nss] [pam] [domain/LOCAL] id_provider = local auth_provider = local access_provider = permit _EOF_ } make_sssd >> /etc/sssd/sssd.conf authconfig --e...
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/deployment_guide/sss-seed
Chapter 6. ironic-inspector
Chapter 6. ironic-inspector The following chapter contains information about the configuration options in the ironic-inspector service. 6.1. inspector.conf This section contains options for the /etc/ironic-inspector/inspector.conf file. 6.1.1. DEFAULT The following table outlines the options available under the [DEFAUL...
null
https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.0/html/configuration_reference/ironic_inspector
Chapter 363. Velocity Component
Chapter 363. Velocity Component Available as of Camel version 1.2 The velocity: component allows you to process a message using an Apache Velocity template. This can be ideal when using Templating to generate responses for requests. Maven users will need to add the following dependency to their pom.xml for this compone...
[ "<dependency> <groupId>org.apache.camel</groupId> <artifactId>camel-velocity</artifactId> <version>x.x.x</version> <!-- use the same version as your Camel core version --> </dependency>", "velocity:templateName[?options]", "velocity:resourceUri", "USDin.setHeader(\"fruit\", \"Apple\")", "VelocityContext vel...
https://docs.redhat.com/en/documentation/red_hat_fuse/7.13/html/apache_camel_component_reference/velocity-component
Chapter 1. Load Balancer Overview
Chapter 1. Load Balancer Overview The Load Balancer is a set of integrated software components that provide for balancing IP traffic across a set of real servers. It consists of two main technologies to monitor cluster members and cluster services: Keepalived and HAProxy. Keepalived uses Linux virtual server ( LVS ) to...
null
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/load_balancer_administration/ch-lvs-overview-vsa
10.4.2. Capturing the Core When the Daemon Crashes
10.4.2. Capturing the Core When the Daemon Crashes By default, the /etc/init.d/functions script blocks core files from daemons called by /etc/init.d/rgmanager . For the daemon to create application cores, you must enable that option. This procedure must be done on all cluster nodes that need an application core caught....
[ "DAEMONCOREFILELIMIT=\"unlimited\" RGMGR_OPTS=\"-w\"", "service rgmanager restart", "ls /core*", "/core.11926" ]
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/cluster_administration/s2-clustcrash-atcrash
Chapter 16. Messaging Parameters
Chapter 16. Messaging Parameters You can modify the message queue service with messaging parameters. Parameter Description RpcCertificateKeySize Override the private key size used when creating the certificate for this service. RpcPassword The password for messaging backend. RpcPort The network port for messaging backe...
null
https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/overcloud_parameters/ref_messaging-parameters_overcloud_parameters
Chapter 6. Managing system upgrades with snapshots
Chapter 6. Managing system upgrades with snapshots Perform rollback capable upgrades of Red Hat Enterprise Linux systems to return to an earlier version of the operating system. You can use the Boom Boot Manager and the Leapp operating system modernization framework. Before performing the operating system upgrades, con...
[ "lvcreate -s rhel/root -kn -n root_snapshot_before_changes Logical volume \"root_snapshot_before_changes\" created.", "lvcreate -s rhel/root -n root_snapshot_before_changes -L 25g Rounding up size to full physical extent 25 GiB Logical volume \"root_snapshot_before_changes\" created.", "boom profile create --fr...
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/configuring_and_managing_logical_volumes/managing-system-upgrades-with-snapshots_configuring-and-managing-logical-volumes
Argo CD applications
Argo CD applications Red Hat OpenShift GitOps 1.15 Creating and deploying applications on the OpenShift cluster by using the Argo CD dashboard, oc tool, or GitOps CLI Red Hat OpenShift Documentation Team
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https://docs.redhat.com/en/documentation/red_hat_openshift_gitops/1.15/html/argo_cd_applications/index
Chapter 1. Introduction
Chapter 1. Introduction This guide provides information about constructing a spine-leaf network topology for your Red Hat OpenStack Platform environment. This includes a full end-to-end scenario and example files to help replicate a more extensive network topology within your own environment. 1.1. Spine-leaf networking...
null
https://docs.redhat.com/en/documentation/red_hat_openstack_platform/16.0/html/spine_leaf_networking/introduction
Chapter 5. Deploying a Red Hat Enterprise Linux image as a Google Compute Engine instance on Google Cloud Platform
Chapter 5. Deploying a Red Hat Enterprise Linux image as a Google Compute Engine instance on Google Cloud Platform You have a number of options for deploying a Red Hat Enterprise Linux (RHEL) 7 image as a Google Compute Engine (GCE) instance on Google Cloud Platform (GCP). This chapter discusses your options for choosi...
[ "virt-install --name _vmname_ --memory 2048 --vcpus 2 --disk size=8,bus=virtio --location rhel-7.0-x86_64-dvd.iso --os-variant=rhel7.0", "gcloud projects create my-gcp-project3 --name project3", "ssh-keygen -t rsa -f ~/.ssh/google_compute_engine", "ssh -i ~/.ssh/google_compute_engine <username>@<instance_exte...
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/deploying_red_hat_enterprise_linux_7_on_public_cloud_platforms/assembly_deploying-a-rhel-image-on-gcp_cloud-content
Chapter 3. Red Hat Ceph Storage installation
Chapter 3. Red Hat Ceph Storage installation As a storage administrator, you can use the cephadm utility to deploy new Red Hat Ceph Storage clusters. The cephadm utility manages the entire life cycle of a Ceph cluster. Installation and management tasks comprise two types of operations: Day One operations involve instal...
[ "cephadm shell ceph -s", "cephadm shell ceph -s", "subscription-manager register", "subscription-manager refresh", "subscription-manager list --available --matches ' Red Hat Ceph Storage '", "subscription-manager attach --pool= POOL_ID", "subscription-manager repos --disable=* subscription-manager repos...
https://docs.redhat.com/en/documentation/red_hat_ceph_storage/5/html/installation_guide/red-hat-ceph-storage-installation
Chapter 33. Associating secondary interfaces metrics to network attachments
Chapter 33. Associating secondary interfaces metrics to network attachments 33.1. Extending secondary network metrics for monitoring Secondary devices, or interfaces, are used for different purposes. It is important to have a way to classify them to be able to aggregate the metrics for secondary devices with the same c...
[ "pod_network_name_info{interface=\"net0\",namespace=\"namespacename\",network_name=\"nadnamespace/firstNAD\",pod=\"podname\"} 0", "(container_network_receive_bytes_total) + on(namespace,pod,interface) group_left(network_name) ( pod_network_name_info ) (container_network_receive_errors_total) + on(namespace,pod,in...
https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html/networking/associating-secondary-interfaces-metrics-to-network-attachments
E.3. Websocket Proxy
E.3. Websocket Proxy E.3.1. Websocket Proxy Overview The websocket proxy allows users to connect to virtual machines via a noVNC console. The websocket proxy can be installed and configured on the Red Hat Virtualization Manager machine during the initial configuration (see Configuring the Red Hat Virtualization Manager...
[ "engine-cleanup", "Do you want to remove all components? (Yes, No) [Yes]: No", "Do you want to remove the engine? (Yes, No) [Yes]: No", "Do you want to remove the WebSocket proxy? (Yes, No) [No]: Yes", "yum install ovirt-engine-websocket-proxy", "engine-setup", "Configure WebSocket Proxy on this machine...
https://docs.redhat.com/en/documentation/red_hat_virtualization/4.3/html/administration_guide/sect-websocket_proxy
Chapter 1. Issue: Auto-reboot during Argo CD sync with machine configurations
Chapter 1. Issue: Auto-reboot during Argo CD sync with machine configurations In the Red Hat OpenShift Container Platform, nodes are updated automatically through the Red Hat OpenShift Machine Config Operator (MCO). A Machine Config Operator (MCO) is a custom resource that is used by the cluster to manage the complete ...
null
https://docs.redhat.com/en/documentation/red_hat_openshift_gitops/1.15/html/troubleshooting_issues/auto-reboot-during-argo-cd-sync-with-machine-configurations
13.10. Preventing the Computer from Suspending when Closing the Lid
13.10. Preventing the Computer from Suspending when Closing the Lid When closing the lid of your laptop, your computer suspends in order to save power. You can prevent the computer from suspending when closing the lid by changing the setting for that behavior. Warning Some laptops can overheat if they are left running ...
[ "[Login] HandleLidSwitch= lock", "systemctl restart systemd-logind.service" ]
https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/desktop_migration_and_administration_guide/closing-lid
Chapter 1. Overview
Chapter 1. Overview Troubleshooting OpenShift Data Foundation is written to help administrators understand how to troubleshoot and fix their Red Hat OpenShift Data Foundation cluster. Most troubleshooting tasks focus on either a fix or a workaround. This document is divided into chapters based on the errors that an adm...
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https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.9/html/troubleshooting_openshift_data_foundation/overview
Chapter 16. Using the Red Hat Marketplace
Chapter 16. Using the Red Hat Marketplace The Red Hat Marketplace is an open cloud marketplace that makes it easy to discover and access certified software for container-based environments that run on public clouds and on-premises. 16.1. Red Hat Marketplace features Cluster administrators can use the Red Hat Marketplac...
null
https://docs.redhat.com/en/documentation/openshift_dedicated/4/html/building_applications/red-hat-marketplace
Chapter 20. OperatorHub [config.openshift.io/v1]
Chapter 20. OperatorHub [config.openshift.io/v1] Description OperatorHub is the Schema for the operatorhubs API. It can be used to change the state of the default hub sources for OperatorHub on the cluster from enabled to disabled and vice versa. Compatibility level 1: Stable within a major release for a minimum of 12 ...
null
https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/config_apis/operatorhub-config-openshift-io-v1
Chapter 8. Running a SpringBoot business application on Red Hat OpenShift Container Platform
Chapter 8. Running a SpringBoot business application on Red Hat OpenShift Container Platform To run your Red Hat Decision Manager SpringBoot business application on Red Hat OpenShift Container Platform, create an immutable image and push this image to your Red Hat OpenShift Container Platform environment. Prerequisites...
[ "ocp-image |--/root |--/opt |-- /spring-service", "cd ../business-application-service cp target/business-application-service-1.0-SNAPSHOT.jar ../ocp-image/root/opt/spring-service/", "FROM registry.access.redhat.com/ubi8/openjdk-11:latest COPY root / EXPOSE 8090 WORKDIR /opt/spring-service/ CMD [\"sh\",\"-c\", \...
https://docs.redhat.com/en/documentation/red_hat_decision_manager/7.13/html/integrating_red_hat_decision_manager_with_other_products_and_components/openshift-springboot-proc_business-applications
A.2. Wake-ups
A.2. Wake-ups Many applications scan configuration files for changes. In many cases, the scan is performed at a fixed interval, for example, every minute. This can be a problem, because it forces a disk to wake up from spindowns. The best solution is to find a good interval, a good checking mechanism, or to check for c...
[ "int fd; fd = inotify_init(); int wd; /* checking modification of a file - writing into */ wd = inotify_add_watch(fd, \"./myConfig\", IN_MODIFY); if (wd < 0) { inotify_cant_be_used(); switching_back_to_previous_checking(); } fd_set rdfs; struct timeval tv; int retval; FD_ZERO(&rdfs); FD_SET(0, &rdfs); tv.tv_sec = 5...
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/power_management_guide/developer_tips-wake-ups
19.7. Linux/Multiboot Boot
19.7. Linux/Multiboot Boot This section provides information about Linux and multiboot booting. Kernel File -kernel <bzImage> Note: multiboot images are not supported Ram Disk -initrd <file> Command Line Parameter -append <cmdline>
null
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/virtualization_administration_guide/sec-qemu_kvm_whitelist_multiboot
17.3. Methods
17.3. Methods 17.3.1. Creating a New Template Creation of a new template requires the name and vm elements. Identify the vm with the id attribute or name element. Example 17.2. Creating a template from a virtual machine 17.3.2. Creating a New Template Sub Version Creation of a new template sub version requires the name...
[ "POST /ovirt-engine/api/templates HTTP/1.1 Accept: application/xml Content-type: application/xml <template> <name>template1</name> <vm id=\"00000000-0000-0000-0000-000000000000\"/> </template>", "POST /ovirt-engine/api/templates HTTP/1.1 Accept: application/xml Content-type: application/xml <template> <name>templ...
https://docs.redhat.com/en/documentation/red_hat_virtualization/4.3/html/version_3_rest_api_guide/sect-methods2
1.5. Materialization Table
1.5. Materialization Table A Materialization Table is a cached view of a virtual table. When a query is issued against this virtual table, the contents can be served from memory space or redirected to a another table so results can be fetched from the original sources. Internal materialization creates temporary tables ...
null
https://docs.redhat.com/en/documentation/red_hat_jboss_data_virtualization/6.4/html/development_guide_volume_5_caching_guide/materialization_table
13.5. Configuring the Base RDMA Subsystem
13.5. Configuring the Base RDMA Subsystem Startup of the rdma service is automatic. When RDMA capable hardware, whether InfiniBand or iWARP or RoCE/IBoE is detected, udev instructs systemd to start the rdma service. Users need not enable the rdma service, but they can if they want to force it on all the time. To do tha...
[ "~]# systemctl status rdma ● rdma.service - Initialize the iWARP/InfiniBand/RDMA stack in the kernel Loaded: loaded (/usr/lib/systemd/system/rdma.service; disabled; vendor preset: disabled) Active: inactive (dead) Docs: file:/etc/rdma/rdma.conf", "~]# systemctl enable rdma", "~]USD ip link show ib0 8: ib0: >BRO...
https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/networking_guide/sec-configuring_the_base_rdma_subsystem
Chapter 2. Logging in to the Argo CD server in the default mode
Chapter 2. Logging in to the Argo CD server in the default mode Important The Red Hat OpenShift GitOps argocd CLI tool is a Technology Preview feature only. Technology Preview features are not supported with Red Hat production service level agreements (SLAs) and might not be functionally complete. Red Hat does not reco...
[ "If the login session times out, you can use the `relogin` command to log in again. When done using the `argocd` commands, you can log out using the `logout` command.", "ADMIN_PASSWD=USD(oc get secret openshift-gitops-cluster -n openshift-gitops -o jsonpath='{.data.admin\\.password}' | base64 -d)", "SERVER_URL=...
https://docs.redhat.com/en/documentation/red_hat_openshift_gitops/1.15/html/gitops_cli_argocd_reference/logging-in-to-argocd-server-in-default-mode
Chapter 5. Using build strategies
Chapter 5. Using build strategies The following sections define the primary supported build strategies, and how to use them. 5.1. Docker build OpenShift Container Platform uses Buildah to build a container image from a Dockerfile. For more information on building container images with Dockerfiles, see the Dockerfile re...
[ "strategy: dockerStrategy: from: kind: \"ImageStreamTag\" name: \"debian:latest\"", "strategy: dockerStrategy: dockerfilePath: dockerfiles/app1/Dockerfile", "dockerStrategy: env: - name: \"HTTP_PROXY\" value: \"http://myproxy.net:5187/\"", "dockerStrategy: buildArgs: - name: \"version\" value: \"latest\"", ...
https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/builds_using_buildconfig/build-strategies
Red Hat Hardware Certification Test Suite User Guide
Red Hat Hardware Certification Test Suite User Guide Red Hat Hardware Certification 2025 For Use with Red Hat Hardware Certification Red Hat Customer Content Services
null
https://docs.redhat.com/en/documentation/red_hat_hardware_certification/2025/html/red_hat_hardware_certification_test_suite_user_guide/index
21.3.6. Adding an LPD/LPR Host or Printer
21.3.6. Adding an LPD/LPR Host or Printer Follow this procedure to add an LPD/LPR host or printer: Open the New Printer dialog (see Section 21.3.2, "Starting Printer Setup" ). In the list of devices on the left, select Network Printer LPD/LPR Host or Printer . On the right, enter the connection settings: Host The host ...
null
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/deployment_guide/sec-printing-lpdlpr-printer
7.249. system-config-users
7.249. system-config-users 7.249.1. RHBA-2012:1387 - system-config-users bug fix update Updated system-config-users packages that fix three bugs are now available for Red Hat Enterprise Linux 6. The system-config-users packages provide a graphical utility for administrating users and groups. Bug Fixes BZ# 736037 Prior ...
null
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.4_technical_notes/system-config-users
Chapter 6. Preparing a UEFI HTTP installation source
Chapter 6. Preparing a UEFI HTTP installation source As an administrator of a server on a local network, you can configure an HTTP server to enable HTTP boot and network installation for other systems on your network. 6.1. Network install overview A network installation allows you to install Red Hat Enterprise Linux to...
[ "install dhcp-server", "option architecture-type code 93 = unsigned integer 16; subnet 192.168.124.0 netmask 255.255.255.0 { option routers 192.168.124.1 ; option domain-name-servers 192.168.124.1 ; range 192.168.124.100 192.168.124.200 ; class \"pxeclients\" { match if substring (option vendor-class-identifier, ...
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/interactively_installing_rhel_over_the_network/preparing-to-install-from-the-network-using-http_rhel-installer
C.3.3. Creating and Saving Backup Passphrases
C.3.3. Creating and Saving Backup Passphrases If you use a kickstart file during installation, anaconda can add a randomly generated backup passphrase to each block device on the system and save each passphrase to an encrypted file on the local file system. Specify the URL of this certificate with the --escrowcert para...
null
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/installation_guide/disk_encryption_guide-creating_and_saving_backup_passphrases
Chapter 14. Managing Custom File Type Content
Chapter 14. Managing Custom File Type Content In Satellite, you might require methods of managing and distributing SSH keys and source code files or larger files such as virtual machine images and ISO files. To achieve this, custom products in Red Hat Satellite include repositories for custom file types. This provides ...
[ "hammer product create --description \" My_Files \" --name \" My_File_Product \" --organization \" My_Organization \" --sync-plan \" My_Sync_Plan \"", "hammer repository create --content-type \"file\" --name \" My_Files \" --organization \" My_Organization \" --product \" My_File_Product \"", "subscription-mana...
https://docs.redhat.com/en/documentation/red_hat_satellite/6.11/html/managing_content/Managing_Custom_File_Type_Content_content-management
Chapter 1. Introduction to RHEL system roles
Chapter 1. Introduction to RHEL system roles By using RHEL system roles, you can remotely manage the system configurations of multiple RHEL systems across major versions of RHEL. Important terms and concepts The following describes important terms and concepts in an Ansible environment: Control node A control node is t...
null
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/automating_system_administration_by_using_rhel_system_roles/intro-to-rhel-system-roles_automating-system-administration-by-using-rhel-system-roles
Chapter 7. Deploying AMQ Broker on OpenShift Container Platform using application templates
Chapter 7. Deploying AMQ Broker on OpenShift Container Platform using application templates Important Starting in 7.8, the use of application templates for deploying AMQ Broker on OpenShift Container Platform is a deprecated feature. This feature will be removed in a future release. Red Hat continues to support existin...
[ "oc login -u system:admin oc project openshift", "oc login -u <USERNAME> oc project <PROJECT_NAME>", "oc replace --force -f https://raw.githubusercontent.com/jboss-container-images/jboss-amq-7-broker-openshift-image/78-7.8.5.GA/amq-broker-7-image-streams.yaml", "for template in amq-broker-78-basic.yaml amq-br...
https://docs.redhat.com/en/documentation/red_hat_amq/2020.q4/html/deploying_amq_broker_on_openshift/deploying_broker-on-ocp-using-templates_broker-ocp
Chapter 14. Shared File Service (manila) Parameters
Chapter 14. Shared File Service (manila) Parameters Parameter Description CephClusterName The Ceph cluster name. The default value is ceph . ManilaCephClientUserName Ceph client username for manila integration. The default value is manila . ManilaCephFSCephFSProtocolHelperType Protocol type ( CEPHFS or NFS ) when cephf...
null
https://docs.redhat.com/en/documentation/red_hat_openstack_platform/16.0/html/overcloud_parameters/shared-file-service-manila-parameters
Preface
Preface Providing feedback on Red Hat documentation You can give feedback or report an error in the documentation by creating a Jira issue. You must have a Red Hat Jira account. Log in to Jira . Click Create Issue to launch the form in a browser. Complete the Summary , Description , and Reporter fields. Click Create to...
null
https://docs.redhat.com/en/documentation/openshift_container_platform_installation/4.16/html/installing_openshift_container_platform_with_the_assisted_installer/pr01
Appendix B. Testing the Active-Passive Configuration
Appendix B. Testing the Active-Passive Configuration You must test your disaster recovery solution after configuring it. This section provides multiple options to test the active-passive disaster recovery configuration. Test failover while the primary site remains active and without interfering with virtual machines on...
[ "ansible-playbook playbook --tags \"fail_over\"", "ansible-playbook playbook --tags \"fail_over\"", "ansible-playbook playbook --tags \"clean_engine\"", "ansible-playbook playbook --tags \"fail_back\"", "ansible-playbook playbook --tags \"fail_over\"", "ansible-playbook playbook --tags \"clean_engine\"", ...
https://docs.redhat.com/en/documentation/red_hat_virtualization/4.4/html/disaster_recovery_guide/testing_active_passive
A.5. Explanation of Settings in the New Template Window
A.5. Explanation of Settings in the New Template Window The following table details the settings for the New Template window. Note The following tables do not include information on whether a power cycle is required because that information is not applicable to this scenario. New Template Settings Field Description/Act...
null
https://docs.redhat.com/en/documentation/red_hat_virtualization/4.4/html/virtual_machine_management_guide/explanation_of_settings_in_the_new_template_and_edit_template_windows
Chapter 7. Monitor
Chapter 7. Monitor 7.1. Using OpenShift Logging with OpenShift Serverless 7.1.1. About deploying OpenShift Logging OpenShift Container Platform cluster administrators can deploy OpenShift Logging using the OpenShift Container Platform web console or CLI to install the OpenShift Elasticsearch Operator and Red Hat OpenSh...
[ "spec: logStore: elasticsearch: resources: limits: cpu: memory: 16Gi requests: cpu: 500m memory: 16Gi type: \"elasticsearch\" collection: logs: fluentd: resources: limits: cpu: memory: requests: cpu: memory: type: \"fluentd\" visualization: kibana: resources: limits: cpu: memory: requests: cpu: memory: type: kibana...
https://docs.redhat.com/en/documentation/openshift_container_platform/4.7/html/serverless/monitor
function::s64_arg
function::s64_arg Name function::s64_arg - Return function argument as signed 64-bit value Synopsis Arguments n index of argument to return Description Return the signed 64-bit value of argument n, same as longlong_arg.
[ "s64_arg:long(n:long)" ]
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/systemtap_tapset_reference/api-s64-arg
Chapter 8. Backing OpenShift Container Platform applications with OpenShift Data Foundation
Chapter 8. Backing OpenShift Container Platform applications with OpenShift Data Foundation You cannot directly install OpenShift Data Foundation during the OpenShift Container Platform installation. However, you can install OpenShift Data Foundation on an existing OpenShift Container Platform by using the Operator Hub...
null
https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.18/html/deploying_and_managing_openshift_data_foundation_using_red_hat_openstack_platform/backing-openshift-container-platform-applications-with-openshift-data-foundation_osp
Chapter 4. Upgrading a geo-replication deployment of standalone Red Hat Quay
Chapter 4. Upgrading a geo-replication deployment of standalone Red Hat Quay Use the following procedure to upgrade your geo-replication Red Hat Quay deployment. Important When upgrading geo-replication Red Hat Quay deployments to the y-stream release (for example, Red Hat Quay 3.7 Red Hat Quay 3.8), or geo-replication...
[ "sudo podman ps", "CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES ec16ece208c0 registry.redhat.io/quay/quay-rhel8:v{producty-n1} registry 6 minutes ago Up 6 minutes ago 0.0.0.0:80->8080/tcp, 0.0.0.0:443->8443/tcp quay01", "sudo podman ps", "CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 7ae0c9a8...
https://docs.redhat.com/en/documentation/red_hat_quay/3.13/html/upgrade_red_hat_quay/upgrading-geo-repl-quay
6.3. Resource-Specific Parameters
6.3. Resource-Specific Parameters For any individual resource, you can use the following command to display the parameters you can set for that resource. For example, the following command displays the parameters you can set for a resource of type LVM .
[ "pcs resource describe standard:provider:type | type", "pcs resource describe LVM Resource options for: LVM volgrpname (required): The name of volume group. exclusive: If set, the volume group will be activated exclusively. partial_activation: If set, the volume group will be activated even only partial of the ph...
https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/high_availability_add-on_reference/s1-genresourceparams-haar
5.4.8. Merging Snapshot Volumes
5.4.8. Merging Snapshot Volumes As of the Red Hat Enterprise Linux 6 release, you can use the --merge option of the lvconvert command to merge a snapshot into its origin volume. If both the origin and snapshot volume are not open, the merge will start immediately. Otherwise, the merge will start the first time either t...
[ "lvconvert --merge vg00/lvol1_snap", "lvconvert --merge @some_tag" ]
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/logical_volume_manager_administration/snapshot_merge
8.8. Language Support
8.8. Language Support To install support for additional locales and language dialects, select Language Support from the Installation Summary screen. Use your mouse to select the language for which you would like to install support. In the left panel, select your language of choice, for example Espanol . Then you can se...
null
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/installation_guide/sect-language-support-x86
Configuring IPv6 networking for the overcloud
Configuring IPv6 networking for the overcloud Red Hat OpenStack Platform 17.1 Configuring an overcloud to use IPv6 networking OpenStack Documentation Team rhos-docs@redhat.com
null
https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/configuring_ipv6_networking_for_the_overcloud/index
Preface
Preface This document describes the different features and utilities that make Red Hat Enterprise Linux 7 an ideal enterprise platform for application development. Red Hat Enterprise Linux 7 will cease to be updated after the release of RHEL 7.9. Check the Product Life Cycle of Red Hat Software Collections for Red Hat ...
null
https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/developer_guide/preface
Chapter 3. Installing an IdM Server
Chapter 3. Installing an IdM Server The IdM domain is defined and managed by an IdM server which is essentially a domain controller. There can be multiple domain controllers within a domain for load-balancing and failover tolerance. These additional servers are called replicas of the master IdM server. Both IdM servers...
[ "yum install ipa-server bind bind-dyndb-ldap" ]
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/identity_management_guide/installing-ipa
Installing on GCP
Installing on GCP OpenShift Container Platform 4.15 Installing OpenShift Container Platform on Google Cloud Platform Red Hat OpenShift Documentation Team
null
https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/installing_on_gcp/index
7.2. Creating a Red Hat Enterprise Linux 6 Guest with a Network Installation Tree
7.2. Creating a Red Hat Enterprise Linux 6 Guest with a Network Installation Tree Procedure 7.2. Creating a Red Hat Enterprise Linux 6 guest with virt-manager Optional: Preparation Prepare the storage environment for the guest virtual machine. For more information on preparing storage, refer to the Red Hat Enterprise L...
null
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/virtualization_host_configuration_and_guest_installation_guide/sec-virtualization_host_configuration_and_guest_installation_guide-rhel6_install-rhel6guest_with_network_install_tree
Chapter 7. Upgrading Dev Spaces
Chapter 7. Upgrading Dev Spaces This chapter describes how to upgrade from CodeReady Workspaces 3.1 to OpenShift Dev Spaces 3.16. 7.1. Upgrading the chectl management tool This section describes how to upgrade the dsc management tool. Procedure Section 1.2, "Installing the dsc management tool" . 7.2. Specifying the upd...
[ "dsc server:update -n openshift-devspaces", "bash prepare-restricted-environment.sh --devworkspace_operator_index registry.redhat.io/redhat/redhat-operator-index:v4.16 --devworkspace_operator_version \"v0.30.0\" --prod_operator_index \"registry.redhat.io/redhat/redhat-operator-index:v4.16\" --prod_operator_packag...
https://docs.redhat.com/en/documentation/red_hat_openshift_dev_spaces/3.16/html/administration_guide/upgrading-devspaces
Chapter 1. Installation methods
Chapter 1. Installation methods You can install an OpenShift Container Platform cluster on vSphere using a variety of different installation methods. Each method has qualities that can make them more suitable for different use cases, such as installing a cluster in a disconnected environment or installing a cluster wit...
null
https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/installing_on_vmware_vsphere/preparing-to-install-on-vsphere
1.4. Differences between GFS and GFS2
1.4. Differences between GFS and GFS2 This section lists the improvements and changes that GFS2 offers over GFS. Migrating from GFS to GFS2 requires that you convert your GFS file systems to GFS2 with the gfs2_convert utility. For information on the gfs2_convert utility, see Appendix B, Converting a File System from GF...
null
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/global_file_system_2/s1-ov-gfs-gfs2-diffs
function::sa_flags_str
function::sa_flags_str Name function::sa_flags_str - Returns the string representation of sa_flags Synopsis Arguments sa_flags the set of flags to convert to string.
[ "sa_flags_str:string(sa_flags:long)" ]
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/systemtap_tapset_reference/api-sa-flags-str
Chapter 3. Configuring Red Hat Quay before deployment
Chapter 3. Configuring Red Hat Quay before deployment The Red Hat Quay Operator can manage all of the Red Hat Quay components when deployed on OpenShift Container Platform. This is the default configuration, however, you can manage one or more components externally when you want more control over the set up. Use the fo...
[ "touch config.yaml", "AUTHENTICATION_TYPE: Database BUILDLOGS_REDIS: host: <quay-server.example.com> password: <strongpassword> port: 6379 ssl: false DATABASE_SECRET_KEY: <0ce4f796-c295-415b-bf9d-b315114704b8> DB_URI: <postgresql://quayuser:quaypass@quay-server.example.com:5432/quay> DEFAULT_TAG_EXPIRATION: 2w DI...
https://docs.redhat.com/en/documentation/red_hat_quay/3.10/html/deploying_the_red_hat_quay_operator_on_openshift_container_platform/operator-preconfigure
Chapter 24. Using Ansible to manage IdM user vaults: storing and retrieving secrets
Chapter 24. Using Ansible to manage IdM user vaults: storing and retrieving secrets This chapter describes how to manage user vaults in Identity Management using the Ansible vault module. Specifically, it describes how a user can use Ansible playbooks to perform the following three consecutive actions: Create a user va...
[ "cd /usr/share/doc/ansible-freeipa/playbooks/vault", "touch inventory.file", "[ipaserver] server.idm.example.com", "cp ensure-standard-vault-is-present.yml ensure-standard-vault-is-present-copy.yml", "--- - name: Tests hosts: ipaserver gather_facts: false vars_files: - /home/user_name/MyPlaybooks/secret.yml...
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/using_ansible_to_install_and_manage_identity_management/using-ansible-to-manage-idm-user-vaults-storing-and-retrieving-secrets_using-ansible-to-install-and-manage-identity-management
Chapter 4. Sizing requirements for Red Hat Developer Hub
Chapter 4. Sizing requirements for Red Hat Developer Hub Scaling the Red Hat Developer Hub requires significant resource allocation. The following table lists the sizing requirements for installing and running Red Hat Developer Hub, including Developer Hub application, database components, and Operator. Table 4.1. Reco...
null
https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.4/html/about_red_hat_developer_hub/rhdh-sizing_about-rhdh
Chapter 5. Manually installing a single-node OpenShift cluster with GitOps ZTP
Chapter 5. Manually installing a single-node OpenShift cluster with GitOps ZTP You can deploy a managed single-node OpenShift cluster by using Red Hat Advanced Cluster Management (RHACM) and the assisted service. Note If you are creating multiple managed clusters, use the SiteConfig method described in Deploying far ed...
[ "mkdir -p ./out", "podman run --log-driver=none --rm registry.redhat.io/openshift4/ztp-site-generate-rhel8:v4.16 extract /home/ztp --tar | tar x -C ./out", "out └── argocd └── example ├── acmpolicygenerator │ ├── {policy-prefix}common-ranGen.yaml │ ├── {policy-prefix}example-sno-site.yaml │ ├── {policy-prefix}g...
https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/edge_computing/ztp-manual-install
Chapter 44. Using the standalone editor perspective
Chapter 44. Using the standalone editor perspective You can use the standalone editor perspective of Business Central to access an asset's specific editor. By using this perspective, you can open an asset's editor and can modify the asset as required. The web address for accessing an asset's standalone editor perspecti...
null
https://docs.redhat.com/en/documentation/red_hat_decision_manager/7.13/html/managing_red_hat_decision_manager_and_kie_server_settings/using-standalone-perspectives-standalone-editor-proc
Chapter 28. Managing systemd units by using RHEL system roles
Chapter 28. Managing systemd units by using RHEL system roles By using the systemd RHEL system role, you can automate certain systemd-related tasks and perform them remotely. You can use the role for the following actions: Manage services Deploy units Deploy drop-in files 28.1. Managing services by using the systemd RH...
[ "--- - name: Managing systemd services hosts: managed-node-01.example.com tasks: - name: Perform action on systemd units ansible.builtin.include_role: name: rhel-system-roles.systemd vars: systemd_started_units: - <systemd_unit_1> .service systemd_stopped_units: - <systemd_unit_2> .service systemd_restarted_units: ...
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/automating_system_administration_by_using_rhel_system_roles/managing-systemd-units-by-using-the-systemd-rhel-system-role_automating-system-administration-by-using-rhel-system-roles
Chapter 23. Using Toolbx for development and troubleshooting
Chapter 23. Using Toolbx for development and troubleshooting Installing software on a system presents certain risks: it can change a system's behavior, and can leave unwanted files and directories behind after they are no longer needed. You can prevent these risks by installing your favorite development and debugging t...
[ "toolbox create <mytoolbox>", "sudo toolbox create <mytoolbox> Created container: <mytoolbox> Enter with: toolbox enter", "[user@toolbox ~]USD toolbox list IMAGE ID IMAGE NAME CREATED fe0ae375f149 registry.access.redhat.com/ubi{ProductVersion}/toolbox 5 weeks ago CONTAINER ID CONTAINER NAME CREATED STATUS IMAGE...
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/building_running_and_managing_containers/using-toolbx-for-development-and-troubleshooting
Chapter 10. Creating other kinds of load balancers
Chapter 10. Creating other kinds of load balancers You use the Load-balancing service (octavia) to create the type of load balancer that matches the type of non-HTTP network traffic that you want to manage. Section 10.1, "Creating a TCP load balancer" Section 10.2, "Creating a UDP load balancer with a health monitor" S...
[ "source ~/overcloudrc", "openstack loadbalancer create --name lb1 --vip-subnet-id public_subnet --wait", "openstack loadbalancer listener create --name listener1 --protocol TCP --protocol-port 23456 lb1", "openstack loadbalancer pool create --name pool1 --lb-algorithm ROUND_ROBIN --listener listener1 --protoc...
https://docs.redhat.com/en/documentation/red_hat_openstack_platform/16.2/html/using_octavia_for_load_balancing-as-a-service/create-other-kinds-lbs_rhosp-lbaas
Chapter 13. DHCP
Chapter 13. DHCP DHCPD is the daemon used in Red Hat Enterprise Linux to dynamically deliver and configure Layer 3 TCP/IP details for clients. The dhcp package provides the DHCP server, dhcpd . Run the rpm -q dhcp command to see if the dhcp package is installed. If it is not installed, run the following command as the ...
[ "~]# yum install dhcp", "~]USD getenforce Enforcing", "~]# service dhcpd start Starting dhcpd: [ OK ]", "~]USD ps -eZ | grep dhcpd unconfined_u:system_r:dhcpd_t:s0 5483 ? 00:00:00 dhcpd" ]
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/managing_confined_services/chap-managing_confined_services-dhcp
Chapter 2. Deploying OpenShift Data Foundation on Red Hat OpenStack Platform in internal mode
Chapter 2. Deploying OpenShift Data Foundation on Red Hat OpenStack Platform in internal mode Deploying OpenShift Data Foundation on OpenShift Container Platform in internal mode using dynamic storage devices provided by Red Hat OpenStack Platform installer-provisioned infrastructure (IPI) enables you to create interna...
[ "oc annotate namespace openshift-storage openshift.io/node-selector=", "vault secrets enable -path=odf kv", "vault secrets enable -path=odf kv-v2", "echo ' path \"odf/*\" { capabilities = [\"create\", \"read\", \"update\", \"delete\", \"list\"] } path \"sys/mounts\" { capabilities = [\"read\"] }'| vault polic...
https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.14/html/deploying_and_managing_openshift_data_foundation_using_red_hat_openstack_platform/deploying_openshift_data_foundation_on_red_hat_openstack_platform_in_internal_mode
Chapter 15. Incremental Backup Assistance using Glusterfind
Chapter 15. Incremental Backup Assistance using Glusterfind Glusterfind is a utility that provides the list of files that are modified between the backup session and the current period. The commands can be executed at regular intervals to retrieve the list. Multiple sessions for the same volume can be present for diffe...
[ "glusterfind create [-h] [--debug] [--force] < SessionName > < volname > [-- reset-session-time ]", "glusterfind create sess_vol1 vol1 Session sess_vol1 created with volume vol1", "glusterfind pre [-h] [--debug] [--no-encode] [--full] [--disable-partial] [--output-prefix OUTPUT_PREFIX ] [--regenerate-outfile] [...
https://docs.redhat.com/en/documentation/red_hat_gluster_storage/3.5/html/administration_guide/chap-backup_utility
Chapter 39. Removing Red Hat Enterprise Linux From x86-based Systems
Chapter 39. Removing Red Hat Enterprise Linux From x86-based Systems Warning If you have data from Red Hat Enterprise Linux that you want to keep, back it up before you proceed. Write your data to CD, DVD, external hard disk, or other storage device. As a precaution, also back up data from any other operating systems t...
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https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/installation_guide/ch-x86-uninstall
Chapter 6. Configuring metrics for the monitoring stack
Chapter 6. Configuring metrics for the monitoring stack As a cluster administrator, you can configure the OpenTelemetry Collector custom resource (CR) to perform the following tasks: Create a Prometheus ServiceMonitor CR for scraping the Collector's pipeline metrics and the enabled Prometheus exporters. Configure the P...
[ "apiVersion: opentelemetry.io/v1beta1 kind: OpenTelemetryCollector spec: mode: deployment observability: metrics: enableMetrics: true 1 config: exporters: prometheus: endpoint: 0.0.0.0:8889 resource_to_telemetry_conversion: enabled: true # by default resource attributes are dropped service: telemetry: metrics: addr...
https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/red_hat_build_of_opentelemetry/otel-configuring-metrics-for-monitoring-stack
Chapter 22. rsync
Chapter 22. rsync The rsync utility performs fast file transfer and it is used for synchronizing data between systems. [20] When using Red Hat Enterprise Linux, the rsync package provides rsync. Enter the following command to see if the rsync package is installed: If it is not installed, use the yum utility as root to ...
[ "~]USD rpm -q rsync package rsync is not installed", "~]# yum install rsync" ]
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/selinux_users_and_administrators_guide/chap-managing_confined_services-rsync
Chapter 21. JsonPath
Chapter 21. JsonPath Overview The JsonPath language provides a convenient syntax for extracting portions of a JSON message. The syntax of JSON is similar to XPath, but it is used to extract JSON objects from a JSON message, instead of acting on XML. The jsonpath DSL command can be used either as an expression or as a p...
[ "<dependency> <groupId>org.apache.camel</groupId> <artifactId>camel-jsonpath</artifactId> <version>USD{camel-version}</version> </dependency>", "from(\"queue:books.new\") .choice() .when().jsonpath(\"USD.store.book[?(@.price < 10)]\") .to(\"jms:queue:book.cheap\") .when().jsonpath(\"USD.store.book[?(@.price < 30)...
https://docs.redhat.com/en/documentation/red_hat_fuse/7.13/html/apache_camel_development_guide/JsonPath
Chapter 4. Examples
Chapter 4. Examples This chapter demonstrates the use of AMQ Python through example programs. For more examples, see the AMQ Python example suite and the Qpid Proton Python examples . 4.1. Sending messages This client program connects to a server using <connection-url> , creates a sender for target <address> , sends a ...
[ "from __future__ import print_function import sys from proton import Message from proton.handlers import MessagingHandler from proton.reactor import Container class SendHandler(MessagingHandler): def __init__(self, conn_url, address, message_body): super(SendHandler, self).__init__() self.conn_url = conn_url self.a...
https://docs.redhat.com/en/documentation/red_hat_amq/2021.q1/html/using_the_amq_python_client/examples
Chapter 3. Getting started with Apicurio Studio
Chapter 3. Getting started with Apicurio Studio 3.1. What is Apicurio Studio? Apicurio Studio enables you to design schemas and API definitions. It provides a web console to make it easy for API owners and developers to manage the content of event schemas and API definitions. You can use Apicurio Studio to create a sch...
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https://docs.redhat.com/en/documentation/red_hat_connectivity_link/1.0/html/getting_started_with_api_controller/getting-started-studio