title stringlengths 4 168 | content stringlengths 7 1.74M | commands listlengths 1 5.62k ⌀ | url stringlengths 79 342 |
|---|---|---|---|
Chapter 55. Installation and Booting | Chapter 55. Installation and Booting Certain RPM packages are not available on binary DVDs The virt-p2v RPM, syslinux-tftpboot , LibreOffice , and KDE language packages are not available on Red Hat Enterprise Linux binary DVDs due to the limited size of a single-layered DVD. The packages are still consumable by Red Hat... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/7.6_release_notes/known_issues_installation_and_booting |
Chapter 9. Uninstalling a cluster on OpenStack | Chapter 9. Uninstalling a cluster on OpenStack You can remove a cluster that you deployed to Red Hat OpenStack Platform (RHOSP). 9.1. Removing a cluster that uses installer-provisioned infrastructure You can remove a cluster that uses installer-provisioned infrastructure from your cloud. Note If you deployed your clust... | [
"./openshift-install destroy cluster --dir <installation_directory> --log-level info 1 2"
] | https://docs.redhat.com/en/documentation/openshift_container_platform_installation/4.16/html/installing_on_openstack/uninstalling-cluster-openstack |
1.4. AdminShell | 1.4. AdminShell 1.4.1. AdminShell Features AdminShell provides the following features: Administration AdminShell can be used to connect to a JBoss Data Virtualization instance in order to perform various administrative tasks. Data Access AdminShell can be used to connect to a virtual database (VDB) and run SQL commands... | [
"connectAsAdmin(\"localhost\", \"9999\", \"user\", \"password\", \"conn1\")",
"import my.package.*; myObject = new MyClass(); myObject.doSomething();",
"adminHelp()",
"adminHelp(\"deploy\") /* *Deploy a VDB from file */ void deploy( String /* file name */) throws AdminException throws FileNotFoundException",
... | https://docs.redhat.com/en/documentation/red_hat_jboss_data_virtualization/6.4/html/administration_and_configuration_guide/sect-AdminShell |
Providing feedback on Red Hat documentation | Providing feedback on Red Hat documentation We appreciate your feedback on our documentation. Let us know how we can improve it. Submitting feedback through Jira (account required) Make sure you are logged in to the Jira website. Provide feedback by clicking on this link . Enter a descriptive title in the Summary field... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux_for_sap_solutions/8/html/automating_sap_hana_scale-out_system_replication_using_the_rhel_ha_add-on/feedback_automating-sap-hana-scale-out |
Chapter 1. Preparing to install on Nutanix | Chapter 1. Preparing to install on Nutanix Before you install an OpenShift Container Platform cluster, be sure that your Nutanix environment meets the following requirements. 1.1. Nutanix version requirements You must install the OpenShift Container Platform cluster to a Nutanix environment that meets the following req... | [
"RELEASE_IMAGE=USD(./openshift-install version | awk '/release image/ {print USD3}')",
"CCO_IMAGE=USD(oc adm release info --image-for='cloud-credential-operator' USDRELEASE_IMAGE -a ~/.pull-secret)",
"oc image extract USDCCO_IMAGE --file=\"/usr/bin/ccoctl\" -a ~/.pull-secret",
"chmod 775 ccoctl",
"ccoctl --... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html/installing_on_nutanix/preparing-to-install-on-nutanix |
Chapter 21. Troubleshooting IdM replica installation | Chapter 21. Troubleshooting IdM replica installation The following sections describe the process for gathering information about a failing IdM replica installation, and how to resolve some common installation issues. 21.1. IdM replica installation error log files When you install an Identity Management (IdM) replica, d... | [
"[user@replica ~]USD sudo tail -n 10 /var/log/ipareplica-install.log [sudo] password for user: func(installer) File \"/usr/lib/python3.6/site-packages/ipaserver/install/server/replicainstall.py\", line 424, in decorated func(installer) File \"/usr/lib/python3.6/site-packages/ipaserver/install/server/replicainstall.... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/installing_identity_management/troubleshooting-idm-replica-installation_installing-identity-management |
Appendix C. The X Window System | Appendix C. The X Window System While the heart of Red Hat Enterprise Linux is the kernel, for many users, the face of the operating system is the graphical environment provided by the X Window System , also called X . Other windowing environments have existed in the UNIX world, including some that predate the release ... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/deployment_guide/ch-the_x_window_system |
8.158. pykickstart | 8.158. pykickstart 8.158.1. RHBA-2013:1629 - pykickstart bug fix and enhancement update An updated pykickstart package that fixes several bugs and adds one enhancement is now available for Red Hat Enterprise Linux 6. The pykickstart package contains a python library for manipulating kickstart files. Bug Fixes BZ# 88601... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.5_technical_notes/pykickstart |
Preface | Preface The Red Hat Enterprise Linux 6.7 Technical Notes list and document the changes made to the Red Hat Enterprise Linux 6 operating system and its accompanying applications between minor release Red Hat Enterprise Linux 6.6 and minor release Red Hat Enterprise Linux 6.7. For system administrators and others plannin... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.7_technical_notes/pref-test |
10.5. Configure 802.1Q VLAN Tagging Using a GUI | 10.5. Configure 802.1Q VLAN Tagging Using a GUI 10.5.1. Establishing a VLAN Connection You can use nm-connection-editor to create a VLAN using an existing interface as the parent interface. Note that VLAN devices are only created automatically if the parent interface is set to connect automatically. Procedure 10.1. Add... | [
"~]USD nm-connection-editor",
"~]USD nm-connection-editor"
] | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/networking_guide/sec-configure_802_1q_vlan_tagging_using_a_gui |
Making open source more inclusive | Making open source more inclusive Red Hat is committed to replacing problematic language in our code, documentation, and web properties. We are beginning with these four terms: master, slave, blacklist, and whitelist. Because of the enormity of this endeavor, these changes will be implemented gradually over several upc... | null | https://docs.redhat.com/en/documentation/migration_toolkit_for_runtimes/1.2/html/cli_guide/making-open-source-more-inclusive |
Chapter 3. Ceph Monitor configuration | Chapter 3. Ceph Monitor configuration As a storage administrator, you can use the default configuration values for the Ceph Monitor or customize them according to the intended workload. Prerequisites Installation of the Red Hat Ceph Storage software. 3.1. Ceph Monitor configuration Understanding how to configure a Ceph... | [
"cephadm shell",
"ceph config get mon",
"[mon] mon_initial_members = a,b,c",
"[mon.host1] [mon.host2]",
"ceph cephadm set-extra-ceph-conf"
] | https://docs.redhat.com/en/documentation/red_hat_ceph_storage/6/html/configuration_guide/ceph-monitor-configuration |
Chapter 26. OVN-Kubernetes network plugin | Chapter 26. OVN-Kubernetes network plugin 26.1. About the OVN-Kubernetes network plugin The OpenShift Container Platform cluster uses a virtualized network for pod and service networks. Part of Red Hat OpenShift Networking, the OVN-Kubernetes network plugin is the default network provider for OpenShift Container Platfo... | [
"I1006 16:09:50.985852 60651 helper_linux.go:73] Found default gateway interface br-ex 192.168.127.1 I1006 16:09:50.985923 60651 helper_linux.go:73] Found default gateway interface ens4 fe80::5054:ff:febe:bcd4 F1006 16:09:50.985939 60651 ovnkube.go:130] multiple gateway interfaces detected: br-ex ens4",
"I0512 19... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/networking/ovn-kubernetes-network-plugin |
Chapter 1. Preparing to deploy OpenShift Data Foundation | Chapter 1. Preparing to deploy OpenShift Data Foundation When you deploy OpenShift Data Foundation on OpenShift Container Platform using the local storage devices, you can create internal cluster resources. This approach internally provisions base services so that all the applications can access additional storage clas... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.13/html/deploying_openshift_data_foundation_using_bare_metal_infrastructure/preparing_to_deploy_openshift_data_foundation |
2.6. Configuring Services on the Real Servers | 2.6. Configuring Services on the Real Servers If the real servers are Red Hat Enterprise Linux systems, set the appropriate server daemons to activate at boot time. These daemons can include httpd for Web services or xinetd for FTP or Telnet services. It may also be useful to access the real servers remotely, so the ss... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/4/html/virtual_server_administration/s1-lvs-server-daemons-vsa |
Chapter 15. Improving cluster stability in high latency environments using worker latency profiles | Chapter 15. Improving cluster stability in high latency environments using worker latency profiles If the cluster administrator has performed latency tests for platform verification, they can discover the need to adjust the operation of the cluster to ensure stability in cases of high latency. The cluster administrator... | [
"openshift-install create manifests --dir=<cluster-install-dir>",
"vi <cluster-install-dir>/manifests/config-node-default-profile.yaml",
"apiVersion: config.openshift.io/v1 kind: Node metadata: name: cluster spec: workerLatencyProfile: \"Default\"",
"oc edit nodes.config/cluster",
"apiVersion: config.opensh... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.13/html/scalability_and_performance/scaling-worker-latency-profiles |
Chapter 11. Using Streams for Apache Kafka with MirrorMaker 2 | Chapter 11. Using Streams for Apache Kafka with MirrorMaker 2 Use MirrorMaker 2 to replicate data between two or more active Kafka clusters, within or across data centers. To configure MirrorMaker 2, edit the config/connect-mirror-maker.properties configuration file. If required, you can enable distributed tracing for ... | [
"clusters=cluster-1,cluster-2 cluster-1.consumer.fetch.max.bytes=52428800 cluster-2.producer.batch.size=327680 cluster-2.producer.linger.ms=100 cluster-2.producer.request.timeout.ms=30000",
"clusters=cluster-1,cluster-2 tasks.max = 10",
"clusters=cluster-1,cluster-2 cluster-1->cluster-2.topics = topic-1, topic-... | https://docs.redhat.com/en/documentation/red_hat_streams_for_apache_kafka/2.9/html/using_streams_for_apache_kafka_on_rhel_with_zookeeper/assembly-mirrormaker-str |
Chapter 4. Creating images | Chapter 4. Creating images Learn how to create your own container images, based on pre-built images that are ready to help you. The process includes learning best practices for writing images, defining metadata for images, testing images, and using a custom builder workflow to create images to use with OpenShift Contai... | [
"RUN yum -y install mypackage && yum -y install myotherpackage && yum clean all -y",
"RUN yum -y install mypackage RUN yum -y install myotherpackage && yum clean all -y",
"FROM foo RUN yum -y install mypackage && yum clean all -y ADD myfile /test/myfile",
"FROM foo ADD myfile /test/myfile RUN yum -y install m... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.13/html/images/creating-images |
Chapter 35. Storage | Chapter 35. Storage mpathpersist no longer fails when opening too many files Previously, the mpathpersist utility sometimes overstepped the limit on open files when scanning a large number of devices. As a consequence, mpathpersist terminated unexpectedly. With this update, mpathpersist now checks the max_fds configura... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/7.6_release_notes/bug_fixes_storage |
Chapter 4. Registering hosts and setting up host integration | Chapter 4. Registering hosts and setting up host integration You must register hosts that have not been provisioned through Satellite to be able to manage them with Satellite. You can register hosts through Satellite Server or Capsule Server. You must also install and configure tools on your hosts, depending on which i... | [
"systemctl enable --now chronyd",
"chkconfig --add ntpd chkconfig ntpd on service ntpd start",
"cp My_SSL_CA_file .pem /etc/pki/ca-trust/source/anchors",
"update-ca-trust",
"mkdir /etc/puppetlabs/code/environments/ example_environment",
"curl -O http:// satellite.example.com /pub/bootstrap.py",
"chmod +... | https://docs.redhat.com/en/documentation/red_hat_satellite/6.16/html/managing_hosts/registering_hosts_to_server_managing-hosts |
Chapter 5. Exposing the registry | Chapter 5. Exposing the registry By default, the OpenShift image registry is secured during cluster installation so that it serves traffic through TLS. Unlike versions of OpenShift Container Platform, the registry is not exposed outside of the cluster at the time of installation. 5.1. Exposing a default registry manual... | [
"oc patch configs.imageregistry.operator.openshift.io/cluster --patch '{\"spec\":{\"defaultRoute\":true}}' --type=merge",
"HOST=USD(oc get route default-route -n openshift-image-registry --template='{{ .spec.host }}')",
"oc extract secret/USD(oc get ingresscontroller -n openshift-ingress-operator default -o jso... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/registry/securing-exposing-registry |
28.2. How Password Policies Work in IdM | 28.2. How Password Policies Work in IdM All users must have a password that they use to authenticate to the Identity Management (IdM) Kerberos domain. Password policies in IdM define the requirements these user passwords must meet. Note The IdM password policy is set in the underlying LDAP directory, but is also enforc... | [
"ipa pwpolicy-mod --minclasses= 1"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/linux_domain_identity_authentication_and_policy_guide/pwd-policies-how |
Chapter 14. Troubleshooting common installation problems | Chapter 14. Troubleshooting common installation problems If you are experiencing difficulties installing the Red Hat OpenShift Data Science Add-on, read this section to understand what could be causing the problem, and how to resolve the problem. If you cannot see the problem here or in the release notes, contact Red H... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_ai_cloud_service/1/html/installing_the_openshift_ai_cloud_service/troubleshooting-common-installation-problems_install |
Part IV. Publishing Applications to a Container | Part IV. Publishing Applications to a Container To publish Fuse Integration projects to a server container, you must first add the server and its runime definition to the tooling's Servers list. Then you can assign projects to the server runtime and set the publishing options for it. | null | https://docs.redhat.com/en/documentation/red_hat_fuse/7.13/html/tooling_user_guide/riderdeploypart |
Chapter 13. Scoping tokens | Chapter 13. Scoping tokens 13.1. About scoping tokens You can create scoped tokens to delegate some of your permissions to another user or service account. For example, a project administrator might want to delegate the power to create pods. A scoped token is a token that identifies as a given user but is limited to ce... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.11/html/authentication_and_authorization/tokens-scoping |
Chapter 6. Creating the control plane | Chapter 6. Creating the control plane The Red Hat OpenStack Services on OpenShift (RHOSO) control plane contains the RHOSO services that manage the cloud. The RHOSO services run as a Red Hat OpenShift Container Platform (RHOCP) workload. Note Creating the control plane also creates an OpenStackClient pod that you can a... | [
"oc get networkpolicy -n openstack",
"oc describe crd openstackcontrolplane oc explain openstackcontrolplane.spec",
"apiVersion: core.openstack.org/v1beta1 kind: OpenStackControlPlane metadata: name: openstack-control-plane namespace: openstack",
"apiVersion: core.openstack.org/v1beta1 kind: OpenStackControlP... | https://docs.redhat.com/en/documentation/red_hat_openstack_services_on_openshift/18.0/html/deploying_a_dynamic_routing_environment/assembly_creating-the-control-plane |
Chapter 2. Installing a cluster with z/VM on IBM Z and IBM LinuxONE | Chapter 2. Installing a cluster with z/VM on IBM Z and IBM LinuxONE In OpenShift Container Platform version 4.15, you can install a cluster on IBM Z(R) or IBM(R) LinuxONE infrastructure that you provision. Note While this document refers only to IBM Z(R), all information in it also applies to IBM(R) LinuxONE. Important... | [
"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_installation/4.15/html/installing_on_ibm_z_and_ibm_linuxone/installing-ibm-z |
Appendix A. Changes to packages | Appendix A. Changes to packages The following chapters contain changes to packages between RHEL 8 and RHEL 9, as well as changes between minor releases of RHEL 9. A.1. New packages The following packages were added in RHEL 9: Package Repository New in 389-ds-base-devel rhel9-CRB RHEL 9.3 389-ds-base-snmp rhel9-AppStrea... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/considerations_in_adopting_rhel_9/assembly_changes-to-packages_considerations-in-adopting-rhel-9 |
Making open source more inclusive | Making open source more inclusive Red Hat is committed to replacing problematic language in our code, documentation, and web properties. We are beginning with these four terms: master, slave, blacklist, and whitelist. Because of the enormity of this endeavor, these changes will be implemented gradually over several upc... | null | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/configuring_network_functions_virtualization/making-open-source-more-inclusive |
Chapter 2. CatalogSource [operators.coreos.com/v1alpha1] | Chapter 2. CatalogSource [operators.coreos.com/v1alpha1] Description CatalogSource is a repository of CSVs, CRDs, and operator packages. Type object Required metadata spec 2.1. Specification Property Type Description apiVersion string APIVersion defines the versioned schema of this representation of an object. Servers ... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html/operatorhub_apis/catalogsource-operators-coreos-com-v1alpha1 |
Part III. Managing and monitoring business processes in Business Central | Part III. Managing and monitoring business processes in Business Central As a process administrator, you can use Business Central in Red Hat Process Automation Manager to manage and monitor process instances and tasks running on a number of projects. From Business Central you can start a new process instance, verify th... | null | https://docs.redhat.com/en/documentation/red_hat_process_automation_manager/7.13/html/developing_process_services_in_red_hat_process_automation_manager/assembly-managing-and-monitoring-business-processes |
Chapter 6. Automating Client Registration with the CLI | Chapter 6. Automating Client Registration with the CLI The Client Registration CLI is a command-line interface (CLI) tool for application developers to configure new clients in a self-service manner when integrating with Red Hat Single Sign-On. It is specifically designed to interact with Red Hat Single Sign-On Client ... | [
"export PATH=USDPATH:USDKEYCLOAK_HOME/bin kcreg.sh",
"c:\\> set PATH=%PATH%;%KEYCLOAK_HOME%\\bin c:\\> kcreg",
"kcreg.sh config credentials --server http://localhost:8080/auth --realm demo --user user --client reg-cli kcreg.sh create -s clientId=my_client -s 'redirectUris=[\"http://localhost:8980/myapp/*\"]' kc... | https://docs.redhat.com/en/documentation/red_hat_single_sign-on/7.6/html/securing_applications_and_services_guide/client_registration_cli |
Chapter 3. Types of instance storage | Chapter 3. Types of instance storage The virtual storage that is available to an instance is defined by the flavor used to launch the instance. The following virtual storage resources can be associated with an instance: Instance disk Ephemeral storage Swap storage Persistent block storage volumes Config drive 3.1. Inst... | null | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/16.2/html/creating_and_managing_instances/con_types-of-instance-storage_osp |
Chapter 6. Managing projects | Chapter 6. Managing projects As a cloud administrator, you can create and manage projects. A project is a pool of shared virtual resources, to which you can assign OpenStack users and groups. You can configure the quota of shared virtual resources in each project. You can create multiple projects with Red Hat OpenStack... | [
"openstack domain create corp +-------------+----------------------------------+ | Field | Value | +-------------+----------------------------------+ | description | | | enabled | True | | id | 69436408fdcb44ab9e111691f8e9216d | | name | corp | +-------------+----------------------------------+",
"openstack proje... | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/managing_openstack_identity_resources/assembly_managing-projects |
Director Installation and Usage | Director Installation and Usage Red Hat OpenStack Platform 17.0 An end-to-end scenario on using Red Hat OpenStack Platform director to create an OpenStack cloud OpenStack Documentation Team rhos-docs@redhat.com | null | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.0/html/director_installation_and_usage/index |
Chapter 1. Setting up and configuring a BIND DNS server | Chapter 1. Setting up and configuring a BIND DNS server BIND is a feature-rich DNS server that is fully compliant with the Internet Engineering Task Force (IETF) DNS standards and draft standards. For example, administrators frequently use BIND as: Caching DNS server in the local network Authoritative DNS server for zo... | [
"yum install bind bind-utils",
"yum install bind-chroot",
"listen-on port 53 { 127.0.0.1; 192.0.2.1; }; listen-on-v6 port 53 { ::1; 2001:db8:1::1; };",
"allow-query { localhost; 192.0.2.0/24; 2001:db8:1::/64; };",
"allow-recursion { localhost; 192.0.2.0/24; 2001:db8:1::/64; };",
"forwarders { 198.51.100.1... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/managing_networking_infrastructure_services/assembly_setting-up-and-configuring-a-bind-dns-server_networking-infrastructure-services |
4.211. openswan | 4.211. openswan 4.211.1. RHBA-2011:1761 - openswan bug fix and enhancement update An updated openswan package that fixes several bugs and adds one enhancement is now available for Red Hat Enterprise Linux 6. Openswan is a free implementation of IPsec (Internet Protocol Security) and IKE (Internet Key Exchange) for Linu... | [
"next payload type of ISAKMP Identification Payload has an unknown value"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.2_technical_notes/openswan |
19.4. Known Issues | 19.4. Known Issues SELinux MLS policy is not supported with kernel version 4.14 SELinux Multi-Level Security (MLS) Policy denies unknown classes and permissions, and kernel version 4.14 in the kernel-alt packages recognizes the map permission, which is not defined in any policy. Consequently, every command on a system ... | [
"IPMI_SI=no",
"tuned-adm profile powersave",
"tuned-adm profile performance"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/7.5_release_notes/arm-known-issues |
6.2. Creating an ext3 File System | 6.2. Creating an ext3 File System After installation, it is sometimes necessary to create a new ext3 file system. For example, if you add a new disk drive to the system, you may want to partition the drive and use the ext3 file system. The steps for creating an ext3 file system are as follows: Create the partition usin... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/4/html/system_administration_guide/the_ext3_file_system-creating_an_ext3_file_system |
Chapter 3. Automatically scaling pods with the Custom Metrics Autoscaler Operator | Chapter 3. Automatically scaling pods with the Custom Metrics Autoscaler Operator 3.1. Release notes 3.1.1. Custom Metrics Autoscaler Operator release notes The release notes for the Custom Metrics Autoscaler Operator for Red Hat OpenShift describe new features and enhancements, deprecated features, and known issues. T... | [
"oc delete crd scaledobjects.keda.k8s.io",
"oc delete crd triggerauthentications.keda.k8s.io",
"oc create configmap -n openshift-keda thanos-cert --from-file=ca-cert.pem",
"oc get all -n keda",
"NAME READY STATUS RESTARTS AGE pod/custom-metrics-autoscaler-operator-5fd8d9ffd8-xt4xp 1/1 Running 0 18m NAME REA... | https://docs.redhat.com/en/documentation/red_hat_openshift_service_on_aws/4/html/nodes/automatically-scaling-pods-with-the-custom-metrics-autoscaler-operator |
Chapter 1. Introduction to Red Hat Cloud Instance policies | Chapter 1. Introduction to Red Hat Cloud Instance policies Use this guide to understand the technical and operational certification requirements for CCSP Partners who want to offer their own virtual and/or physical hardware with Red Hat products both on-demand or as-a-service to our joint Customers. 1.1. Audience As a ... | null | https://docs.redhat.com/en/documentation/red_hat_certified_cloud_and_service_provider_certification/2025/html/red_hat_cloud_instance_type_policy_guide/assembly_introduction-cloud-instance-policy_instance-policy-guide |
Chapter 18. Upgrading an overcloud on a Red Hat OpenShift Container Platform cluster with director Operator (16.2 to 17.1) | Chapter 18. Upgrading an overcloud on a Red Hat OpenShift Container Platform cluster with director Operator (16.2 to 17.1) You can upgrade your Red Hat OpenStack Platform (RHOSP) 16.2 overcloud to a RHOSP 17.1 overcloud with director Operator (OSPdO) by using the in-place framework for upgrades (FFU) workflow. To perfo... | [
"oc get subscription osp-director-operator.openstack -n openstack -o yaml | grep currentCSV",
"oc delete clusterserviceversion <current_CSV> -n openstack",
"oc delete subscription osp-director-operator.openstack -n openstack",
"oc patch openstackcontrolplane -n openstack overcloud --type=json -p=\"[{'op': 're... | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/deploying_an_overcloud_in_a_red_hat_openshift_container_platform_cluster_with_director_operator/assembly_upgrading-an-overcloud-on-rhocp-with-director-operator-162-171 |
Chapter 6. Bug fixes | Chapter 6. Bug fixes This section describes notable bug fixes introduced in Red Hat OpenShift Data Foundation 4.9. Multicloud Object Gateway storage class deleted during uninstall Previously, Multicloud Object Gateway (MCG) storage class which was deployed as a part of OpenShift Data Foundation deployment was not delet... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.9/html/4.9_release_notes/bug_fixes |
Chapter 1. Overview | Chapter 1. Overview AMQ C++ is a library for developing messaging applications. It enables you to write C++ applications that send and receive AMQP messages. AMQ C++ is part of AMQ Clients, a suite of messaging libraries supporting multiple languages and platforms. For an overview of the clients, see AMQ Clients Overvi... | [
"cd <project-dir>"
] | https://docs.redhat.com/en/documentation/red_hat_amq/2021.q3/html/using_the_amq_cpp_client/overview |
7.8. Using NSCD with SSSD | 7.8. Using NSCD with SSSD SSSD is not designed to be used with the NSCD daemon. Even though SSSD does not directly conflict with NSCD, using both services can result in unexpected behavior, especially with how long entries are cached. The most common evidence of a problem is conflicts with NFS. When using Network Manag... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/system-level_authentication_guide/usingnscd-sssd |
Making open source more inclusive | Making open source more inclusive Red Hat is committed to replacing problematic language in our code and documentation. We are beginning with these four terms: master, slave, blacklist, and whitelist. Due to the enormity of this endeavor, these changes will be gradually implemented over upcoming releases. For more deta... | null | https://docs.redhat.com/en/documentation/red_hat_certified_cloud_and_service_provider_certification/2025/html/red_hat_certified_cloud_and_service_provider_certification_policy_guide/con-conscious-language-message |
probe::nfs.proc.open | probe::nfs.proc.open Name probe::nfs.proc.open - NFS client allocates file read/write context information Synopsis nfs.proc.open Values flag file flag filename file name version NFS version (the function is used for all NFS version) prot transfer protocol mode file mode server_ip IP address of server Description Alloca... | null | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/systemtap_tapset_reference/api-nfs-proc-open |
Chapter 5. RHEL 8.3.0 release | Chapter 5. RHEL 8.3.0 release 5.1. New features This part describes new features and major enhancements introduced in Red Hat Enterprise Linux 8.3. 5.1.1. Installer and image creation Anaconda rebased to version 33.16 With this release, Anaconda has been rebased to version 33.16. This version provides the following not... | [
"tuned-adm profile throughput-performance optimize-serial-console",
"cat /proc/sys/kernel/printk",
"echo 'add_dracutmodules+=\" network-legacy \"' > /etc/dracut.conf.d/enable-network-legacy.conf dracut -vf --regenerate-all",
"ip=__IP_address__:__peer__:__gateway_IP_address__:__net_mask__:__host_name__:__inter... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.3_release_notes/rhel-8-3-0-release |
probe::sunrpc.svc.create | probe::sunrpc.svc.create Name probe::sunrpc.svc.create - Create an RPC service Synopsis sunrpc.svc.create Values bufsize the buffer size pg_nvers the number of supported versions progname the name of the program prog the number of the program | null | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/systemtap_tapset_reference/api-sunrpc-svc-create |
Chapter 9. availability | Chapter 9. availability This chapter describes the commands under the availability command. 9.1. availability zone list List availability zones and their status Usage: Table 9.1. Command arguments Value Summary -h, --help Show this help message and exit --compute List compute availability zones --network List network a... | [
"openstack availability zone list [-h] [-f {csv,json,table,value,yaml}] [-c COLUMN] [--quote {all,minimal,none,nonnumeric}] [--noindent] [--max-width <integer>] [--fit-width] [--print-empty] [--sort-column SORT_COLUMN] [--sort-ascending | --sort-descending] [--compute] [--network] [--volume] [--long]"
] | https://docs.redhat.com/en/documentation/red_hat_openstack_services_on_openshift/18.0/html/command_line_interface_reference/availability |
Chapter 2. CRUSH Administration | Chapter 2. CRUSH Administration The Controlled Replication Under Scalable Hashing (CRUSH) algorithm determines how to store and retrieve data by computing data storage locations. Any sufficiently advanced technology is indistinguishable from magic. -- Arthur C. Clarke 2.1. Introducing CRUSH The CRUSH map for your stora... | [
"ceph osd crush tree --show-shadow ID CLASS WEIGHT TYPE NAME -24 ssd 4.54849 root default~ssd -19 ssd 0.90970 host ceph01~ssd 8 ssd 0.90970 osd.8 -20 ssd 0.90970 host ceph02~ssd 7 ssd 0.90970 osd.7 -21 ssd 0.90970 host ceph03~ssd 3 ssd 0.90970 osd.3 -22 ssd 0.90970 host ceph04~ssd 5 ssd 0.90970 osd.5 -23 ssd 0.9097... | https://docs.redhat.com/en/documentation/red_hat_ceph_storage/5/html/storage_strategies_guide/crush_administration |
Chapter 5. Creating an instance | Chapter 5. Creating an instance Before you can create an instance, other Red Hat OpenStack Platform (RHOSP) components must be available, such as the flavor, boot source, network, key pair, and security group. These components are used in the creation of an instance and are not available by default. When you create an ... | [
"openstack flavor list --os-cloud <cloud_name>",
"`export OS_CLOUD=<cloud_name>`",
"openstack flavor list",
"openstack image list",
"openstack network list",
"openstack server create --flavor <flavor> --image <image> --network <network> --wait myInstanceFromImage",
"openstack image list",
"openstack v... | https://docs.redhat.com/en/documentation/red_hat_openstack_services_on_openshift/18.0/html/creating_and_managing_instances/assembly_creating-an-instance_osp |
Chapter 2. Configuring a private cluster | Chapter 2. Configuring a private cluster After you install an OpenShift Container Platform version 4.16 cluster, you can set some of its core components to be private. 2.1. About private clusters By default, OpenShift Container Platform is provisioned using publicly-accessible DNS and endpoints. You can set the DNS, In... | [
"oc get dnses.config.openshift.io/cluster -o yaml",
"apiVersion: config.openshift.io/v1 kind: DNS metadata: creationTimestamp: \"2019-10-25T18:27:09Z\" generation: 2 name: cluster resourceVersion: \"37966\" selfLink: /apis/config.openshift.io/v1/dnses/cluster uid: 0e714746-f755-11f9-9cb1-02ff55d8f976 spec: baseDo... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/postinstallation_configuration/configuring-private-cluster |
Chapter 4. Installing a cluster quickly on Azure | Chapter 4. Installing a cluster quickly on Azure In OpenShift Container Platform version 4.15, you can install a cluster on Microsoft Azure that uses the default configuration options. 4.1. Prerequisites You reviewed details about the OpenShift Container Platform installation and update processes. You read the document... | [
"ssh-keygen -t ed25519 -N '' -f <path>/<file_name> 1",
"cat <path>/<file_name>.pub",
"cat ~/.ssh/id_ed25519.pub",
"eval \"USD(ssh-agent -s)\"",
"Agent pid 31874",
"ssh-add <path>/<file_name> 1",
"Identity added: /home/<you>/<path>/<file_name> (<computer_name>)",
"tar -xvf openshift-install-linux.tar.g... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/installing_on_azure/installing-azure-default |
Chapter 1. Recommendations for Large Deployments | Chapter 1. Recommendations for Large Deployments Use the following undercloud and overcloud recommendations, specifications, and configuration for deploying a large Red Hat OpenStack Platform (RHOSP) environment. RHOSP 16.2 deployments that include more than 100 overcloud nodes are considered large environments. Red Ha... | null | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/16.2/html/recommendations_for_large_deployments/assembly-recommendations-for-large-deployments_recommendations-large-deployments |
Chapter 6. Uninstalling power monitoring | Chapter 6. Uninstalling power monitoring Important Power monitoring 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 recommend using them in production. These features prov... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/power_monitoring/uninstalling-power-monitoring |
Chapter 11. Using PTP hardware | Chapter 11. Using PTP hardware Important Precision Time Protocol (PTP) hardware with single NIC configured as boundary clock 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 no... | [
"cat << EOF| oc create -f - apiVersion: v1 kind: Namespace metadata: name: openshift-ptp annotations: workload.openshift.io/allowed: management labels: name: openshift-ptp openshift.io/cluster-monitoring: \"true\" EOF",
"cat << EOF| oc create -f - apiVersion: operators.coreos.com/v1 kind: OperatorGroup metadata: ... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.9/html/networking/using-ptp |
Chapter 3. Managing user accounts using the IdM Web UI | Chapter 3. Managing user accounts using the IdM Web UI Identity Management (IdM) provides several stages that can help you to manage various user life cycle situations: Creating a user account Creating a stage user account before an employee starts their career in your company and be prepared in advance for the day whe... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/managing_idm_users_groups_hosts_and_access_control_rules/managing-user-accounts-using-the-idm-web-ui_managing-users-groups-hosts |
3.4. Running converted virtual machines | 3.4. Running converted virtual machines On successful completion, virt-v2v will create a new libvirt domain for the converted virtual machine with the same name as the original virtual machine. It can be started as usual using libvirt tools, for example virt-manager . Note virt-v2v cannot currently reconfigure a virtua... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/v2v_guide/sect-rhel-running_converted_virtual_machines |
Chapter 10. Red Hat build of OptaPlanner on Red Hat build of Quarkus: a school timetable quick start guide | Chapter 10. Red Hat build of OptaPlanner on Red Hat build of Quarkus: a school timetable quick start guide This guide walks you through the process of creating a Red Hat build of Quarkus application with Red Hat build of OptaPlanner's constraint solving artificial intelligence (AI). You will build a REST application th... | [
"mvn --version",
"mvn com.redhat.quarkus.platform:quarkus-maven-plugin:2.13.Final-redhat-00006:create -DprojectGroupId=com.example -DprojectArtifactId=optaplanner-quickstart -Dextensions=\"resteasy,resteasy-jackson,optaplanner-quarkus,optaplanner-quarkus-jackson\" -DplatformGroupId=com.redhat.quarkus.platform -Dp... | https://docs.redhat.com/en/documentation/red_hat_process_automation_manager/7.13/html/developing_solvers_with_red_hat_build_of_optaplanner_in_red_hat_process_automation_manager/assembly-optaplanner-school-timetable-quarkus_optaplanner-quickstarts |
Chapter 1. Understanding API tiers | Chapter 1. Understanding API tiers Important This guidance does not cover layered OpenShift Container Platform offerings. API tiers for bare-metal configurations also apply to virtualized configurations except for any feature that directly interacts with hardware. Those features directly related to hardware have no app... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/api_overview/understanding-api-support-tiers |
Chapter 5. OpenShift Data Foundation deployed using local storage devices | Chapter 5. OpenShift Data Foundation deployed using local storage devices 5.1. Replacing operational or failed storage devices on clusters backed by local storage devices You can replace an object storage device (OSD) in OpenShift Data Foundation deployed using local storage devices on the following infrastructures: Ba... | [
"oc get -n openshift-storage pods -l app=rook-ceph-osd -o wide",
"rook-ceph-osd-0-6d77d6c7c6-m8xj6 0/1 CrashLoopBackOff 0 24h 10.129.0.16 compute-2 <none> <none> rook-ceph-osd-1-85d99fb95f-2svc7 1/1 Running 0 24h 10.128.2.24 compute-0 <none> <none> rook-ceph-osd-2-6c66cdb977-jp542 1/1 Running 0 24h 10.130.0.18 co... | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.14/html/replacing_devices/openshift_data_foundation_deployed_using_local_storage_devices |
8.179. rhel-guest-image | 8.179. rhel-guest-image 8.179.1. RHBA-2013:1735 - rhel-guest-image bug fix and enhancement update Updated rhel-guest-image packages that fix several bugs and add one enhancement are now available for Red Hat Enterprise Linux 6. The rhel-quest-image packages provide a Red Hat Enterprise Linux 6.5 KVM Guest Image for clo... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.5_technical_notes/rhel-guest-image |
Chapter 9. Authorization APIs | Chapter 9. Authorization APIs 9.1. Authorization APIs 9.1.1. LocalSubjectAccessReview [authorization.k8s.io/v1] Description LocalSubjectAccessReview checks whether or not a user or group can perform an action in a given namespace. Having a namespace scoped resource makes it much easier to grant namespace scoped policy ... | null | https://docs.redhat.com/en/documentation/red_hat_build_of_microshift/4.18/html/api_reference/authorization-apis-1 |
Chapter 2. Admin REST API | Chapter 2. Admin REST API Red Hat Single Sign-On comes with a fully functional Admin REST API with all features provided by the Admin Console. To invoke the API you need to obtain an access token with the appropriate permissions. The required permissions are described in the Server Administration Guide. You can obtain ... | [
"curl -d \"client_id=admin-cli\" -d \"username=admin\" -d \"password=password\" -d \"grant_type=password\" \"http://localhost:8080/auth/realms/master/protocol/openid-connect/token\"",
"curl -H \"Authorization: bearer eyJhbGciOiJSUz...\" \"http://localhost:8080/auth/admin/realms/master\"",
"curl -d \"client_id=<... | https://docs.redhat.com/en/documentation/red_hat_single_sign-on/7.6/html/server_developer_guide/admin_rest_api |
9.6. Storage Devices | 9.6. Storage Devices You can install Red Hat Enterprise Linux on a large variety of storage devices. This screen allows you to select either basic or specialized storage devices. Figure 9.4. Storage devices Basic Storage Devices Select Basic Storage Devices to install Red Hat Enterprise Linux on the following storage d... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/installation_guide/Storage_Devices-x86 |
2.4. Cluster Considerations | 2.4. Cluster Considerations When determining the number of nodes that your system will contain, note that there is a trade-off between high availability and performance. With a larger number of nodes, it becomes increasingly difficult to make workloads scale. For that reason, Red Hat does not support using GFS2 for clu... | null | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/global_file_system_2/s1-deploy-gfs2 |
Chapter 197. Kubernetes ConfigMap Component | Chapter 197. Kubernetes ConfigMap Component Available as of Camel version 2.17 The Kubernetes ConfigMap component is one of Kubernetes Components which provides a producer to execute kubernetes ConfigMap operations. 197.1. Component Options The Kubernetes ConfigMap component has no options. 197.2. Endpoint Options The ... | [
"kubernetes-config-maps:masterUrl"
] | https://docs.redhat.com/en/documentation/red_hat_fuse/7.13/html/apache_camel_component_reference/kubernetes-config-maps-component |
Chapter 11. Restricting domains for PAM services using SSSD | Chapter 11. Restricting domains for PAM services using SSSD Pluggable authentication modules (PAMs) are a common framework for authentication and authorization. Most system applications in Red Hat Enterprise Linux depend on underlying PAM configuration for authentication and authorization. System Security Services Daem... | [
"auth required pam_sss.so domains=",
"[sssd] domains = domain1, domain2, domain3",
"auth sufficient pam_sss.so forward_pass domains=domain1 account [default=bad success=ok user_unknown=ignore] pam_sss.so password sufficient pam_sss.so use_authtok",
"module_type control_flag module_name module_arguments",
"a... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/configuring_authentication_and_authorization_in_rhel/restricting-domains-for-pam-services-using-sssd_configuring-authentication-and-authorization-in-rhel |
Chapter 5. Mavenizing your application | Chapter 5. Mavenizing your application MTR provides the ability to generate an Apache Maven project structure based on the application provided. This will create a directory structure with the necessary Maven Project Object Model (POM) files that specify the appropriate dependencies. Note that this feature is not inten... | [
"<MTR_HOME>/mta-cli --input /path/to/jee-example-app-1.0.0.ear --output /path/to/output --target eap:6 --packages com.acme org.apache --mavenize",
"/path/to/output/mavenized/jee-example-app/ jee-example-app-bom/pom.xml jee-example-app-ear/pom.xml jee-example-services2-jar/pom.xml jee-example-services-jar/pom.xml ... | https://docs.redhat.com/en/documentation/migration_toolkit_for_runtimes/1.2/html/cli_guide/mavenize_cli-guide |
Monitoring | Monitoring OpenShift Container Platform 4.14 Configuring and using the monitoring stack in OpenShift Container Platform Red Hat OpenShift Documentation Team | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html/monitoring/index |
Chapter 12. Database cleaning | Chapter 12. Database cleaning Warning The content for this feature is available in this release as a Documentation Preview , and therefore is not fully verified by Red Hat. Use it only for testing, and do not use in a production environment. The Compute service includes an administrative tool, nova-manage , that you ca... | null | https://docs.redhat.com/en/documentation/red_hat_openstack_services_on_openshift/18.0/html/configuring_the_compute_service_for_instance_creation/assembly_database-cleaning_database-cleaning |
4.113. kdeaccessibility | 4.113. kdeaccessibility 4.113.1. RHBA-2011:1173 - kdeaccessibility bug fix update Updated kdeaccessibility packages that fix one bug are now available for Red Hat Enterprise Linux 6. KDE is a graphical desktop environment for the X Window System. Kdeaccessibility contains KDE accessibility utilities, including KMouseTo... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.2_technical_notes/kdeaccessibility |
Chapter 1. About hardware accelerators | Chapter 1. About hardware accelerators Specialized hardware accelerators play a key role in the emerging generative artificial intelligence and machine learning (AI/ML) industry. Specifically, hardware accelerators are essential to the training and serving of large language and other foundational models that power this... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/hardware_accelerators/about-hardware-accelerators |
Chapter 12. Live migration | Chapter 12. Live migration 12.1. Virtual machine live migration 12.1.1. About live migration Live migration is the process of moving a running virtual machine instance (VMI) to another node in the cluster without interrupting the virtual workload or access. If a VMI uses the LiveMigrate eviction strategy, it automatica... | [
"oc edit hco -n openshift-cnv kubevirt-hyperconverged",
"apiVersion: hco.kubevirt.io/v1beta1 kind: HyperConverged metadata: name: kubevirt-hyperconverged namespace: openshift-cnv spec: liveMigrationConfig: 1 bandwidthPerMigration: 64Mi completionTimeoutPerGiB: 800 parallelMigrationsPerCluster: 5 parallelOutboundM... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.13/html/virtualization/live-migration |
27.2. Disabling Console Program Access | 27.2. Disabling Console Program Access To disable access by users to console programs, run the following command as root: In environments where the console is otherwise secured (BIOS and boot loader passwords are set, Ctrl + Alt + Delete is disabled, the power and reset switches are disabled, and so forth), you may not... | [
"rm -f /etc/security/console.apps/*",
"rm -f /etc/security/console.apps/poweroff rm -f /etc/security/console.apps/halt rm -f /etc/security/console.apps/reboot"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/4/html/system_administration_guide/Console_Access-Disabling_Console_Program_Access |
B.3. The guest virtual machine cannot be started: internal error guest CPU is not compatible with host CPU | B.3. The guest virtual machine cannot be started: internal error guest CPU is not compatible with host CPU Symptom Running on an Intel Core i7 processor (which virt-manager refers to as Nehalem , or the older Core 2 Duo, referred to as Penryn ), a KVM guest (or domain) is created using virt-manager . After installation... | [
"2012-02-06 17:49:15.985+0000: 20757: error : qemuBuildCpuArgStr:3565 : internal error guest CPU is not compatible with host CPU",
"<feature name='nx'/>"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/virtualization_host_configuration_and_guest_installation_guide/App_Domain_Processor |
Scaling deployments with Compute cells | Scaling deployments with Compute cells Red Hat OpenStack Platform 17.1 A guide to creating and configuring a multi-cell overcloud OpenStack Documentation Team rhos-docs@redhat.com | null | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/scaling_deployments_with_compute_cells/index |
Chapter 9. Upgrading the undercloud operating system | Chapter 9. Upgrading the undercloud operating system You must upgrade the undercloud operating system from Red Hat Enterprise Linux 8.4 to Red Hat Enterprise Linux 9.2. The system upgrade performs the following tasks: Ensures that network interface naming remains consistent after the system upgrade Uses Leapp to upgrad... | [
"sudo grep PermitRootLogin /etc/ssh/sshd_config",
"PermitRootLogin no",
"ssh-keygen -l -f /home/stack/overcloud-deploy/overcloud/ssh_private_key",
"1024 SHA256:Xqz0Xz0/aJua6B3qRD7VsLr6n/V3zhmnGSkcFR6FlJw stack@director.example.local (RSA)",
"parameter_defaults: UpgradeLeappDevelSkip: \"LEAPP_UNSUPPORTED=1 L... | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/framework_for_upgrades_16.2_to_17.1/upgrading-the-undercloud-operating-system |
Providing feedback on Red Hat documentation | Providing feedback on Red Hat documentation If you have a suggestion to improve this documentation, or find an error, you can contact technical support at https://access.redhat.com to open a request. Important Disclaimer : Links contained in this document to external websites are provided for convenience only. Red Hat ... | null | https://docs.redhat.com/en/documentation/ansible_on_clouds/2.x/html/red_hat_ansible_automation_platform_on_microsoft_azure_guide/providing-feedback |
Validation and troubleshooting | Validation and troubleshooting OpenShift Container Platform 4.17 Validating and troubleshooting an OpenShift Container Platform installation Red Hat OpenShift Documentation Team | [
"cat <install_dir>/.openshift_install.log",
"time=\"2020-12-03T09:50:47Z\" level=info msg=\"Install complete!\" time=\"2020-12-03T09:50:47Z\" level=info msg=\"To access the cluster as the system:admin user when using 'oc', run 'export KUBECONFIG=/home/myuser/install_dir/auth/kubeconfig'\" time=\"2020-12-03T09:50:... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html-single/validation_and_troubleshooting/index |
Chapter 74. Kubernetes Job | Chapter 74. Kubernetes Job Since Camel 2.23 Both producer and consumer are supported The Kubernetes Job component isone of the Kubernetes Components which provides a producer to execute kubernetes Job operations and a consumer to consume events related to Job objects. 74.1. Dependencies When using kubernetes-job with R... | [
"<dependency> <groupId>org.apache.camel.springboot</groupId> <artifactId>camel-kubernetes-starter</artifactId> </dependency>",
"kubernetes-job:masterUrl",
"from(\"direct:list\"). toF(\"kubernetes-job:///?kubernetesClient=#kubernetesClient&operation=listJob\"). to(\"mock:result\");",
"from(\"direct:listByLabel... | https://docs.redhat.com/en/documentation/red_hat_build_of_apache_camel/4.8/html/red_hat_build_of_apache_camel_for_spring_boot_reference/csb-camel-kubernetes-job-component-starter |
Chapter 13. Fixed issues in Red Hat Process Automation Manager 7.13.3 | Chapter 13. Fixed issues in Red Hat Process Automation Manager 7.13.3 Red Hat Process Automation Manager 7.13.3 provides increased stability and fixed issues listed in this section. 13.1. Business Central Dashbuilder does not support the type MILLISECOND [ RHPAM-4659 ] An exception occurs while using expressions with t... | null | https://docs.redhat.com/en/documentation/red_hat_process_automation_manager/7.13/html/release_notes_for_red_hat_process_automation_manager_7.13/rn-7.13.3-fixed-issues-ref_release-notes |
Chapter 11. Configuring NVMe over fabrics using NVMe/FC | Chapter 11. Configuring NVMe over fabrics using NVMe/FC The Non-volatile Memory ExpressTM (NVMeTM) over Fibre Channel (NVMeTM/FC) transport is fully supported in host mode when used with certain Broadcom Emulex and Marvell Qlogic Fibre Channel adapters. 11.1. Configuring the NVMe host for Broadcom adapters You can conf... | [
"dnf install nvme-cli",
"cat /sys/class/scsi_host/host*/nvme_info NVME Host Enabled XRI Dist lpfc0 Total 6144 IO 5894 ELS 250 NVME LPORT lpfc0 WWPN x10000090fae0b5f5 WWNN x20000090fae0b5f5 DID x010f00 ONLINE NVME RPORT WWPN x204700a098cbcac6 WWNN x204600a098cbcac6 DID x01050e TARGET DISCSRVC ONLINE NVME Statistic... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/managing_storage_devices/configuring-nvme-over-fabrics-using-nvme-fc_managing-storage-devices |
Red Hat OpenShift Data Foundation architecture | Red Hat OpenShift Data Foundation architecture Red Hat OpenShift Data Foundation 4.9 Overview of OpenShift Data Foundation architecture and the roles that the components and services perform. Red Hat Storage Documentation Team storage-docs@redhat.com Abstract This document provides an overview of the OpenShift Data Fou... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.9/html/red_hat_openshift_data_foundation_architecture/index |
Chapter 13. Tagging virtual devices | Chapter 13. Tagging virtual devices In Red Hat OpenStack Platform (RHOSP), if you attach multiple network interfaces or block devices to an instance, you can use device tagging to communicate the intended role of each device to the instance operating system. Tags are assigned to devices at instance boot time, and are a... | [
"openstack server create --flavor m1.tiny --image cirros --network <network_UUID> --nic net-id=<network_UUID>,tag=<myNicTag> --block-device id=<volume_ID>,bus=virtio,tag=<myVolumeTag> myTaggedDevicesInstance",
"{ \"devices\": [ { \"type\": \"nic\", \"bus\": \"pci\", \"address\": \"0030:00:02.0\", \"mac\": \"aa:00... | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/creating_and_managing_instances/tag-virt-devices_instances |
Chapter 3. Installing a cluster quickly on Alibaba Cloud | Chapter 3. Installing a cluster quickly on Alibaba Cloud In OpenShift Container Platform version 4.12, you can install a cluster on Alibaba Cloud that uses the default configuration options. Important Alibaba Cloud on OpenShift Container Platform is a Technology Preview feature only. Technology Preview features are not... | [
"ssh-keygen -t ed25519 -N '' -f <path>/<file_name> 1",
"cat <path>/<file_name>.pub",
"cat ~/.ssh/id_ed25519.pub",
"eval \"USD(ssh-agent -s)\"",
"Agent pid 31874",
"ssh-add <path>/<file_name> 1",
"Identity added: /home/<you>/<path>/<file_name> (<computer_name>)",
"tar -xvf openshift-install-linux.tar.g... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html/installing_on_alibaba/installing-alibaba-default |
Chapter 27. dns | Chapter 27. dns This chapter describes the commands under the dns command. 27.1. dns quota list List quotas Usage: Table 27.1. Command arguments Value Summary -h, --help Show this help message and exit --all-projects Show results from all projects. default: false --sudo-project-id SUDO_PROJECT_ID Project id to imperson... | [
"openstack dns quota list [-h] [-f {json,shell,table,value,yaml}] [-c COLUMN] [--noindent] [--prefix PREFIX] [--max-width <integer>] [--fit-width] [--print-empty] [--all-projects] [--sudo-project-id SUDO_PROJECT_ID] [--project-id PROJECT_ID]",
"openstack dns quota reset [-h] [--all-projects] [--sudo-project-id SU... | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.0/html/command_line_interface_reference/dns |
Chapter 23. Installing and configuring a PostgreSQL database server by using RHEL system roles | Chapter 23. Installing and configuring a PostgreSQL database server by using RHEL system roles You can use the postgresql RHEL system role to automate the installation and management of the PostgreSQL database server. By default, this role also optimizes PostgreSQL by automatically configuring performance-related setti... | [
"ansible-vault create vault.yml New Vault password: <vault_password> Confirm New Vault password: <vault_password>",
"pwd: <password>",
"--- - name: Installing and configuring PostgreSQL hosts: managed-node-01.example.com vars_files: - vault.yml tasks: - name: Create directory for TLS certificate and key ansible... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/automating_system_administration_by_using_rhel_system_roles/installing-and-configuring-postgresql-by-using-the-postgresql-rhel-system-role_automating-system-administration-by-using-rhel-system-roles |
8.71. glusterfs | 8.71. glusterfs 8.71.1. RHBA-2014:1576 - glusterfs bug fix and enhancement update Updated glusterfs packages that fix several bugs and add various enhancements are now available for Red Hat Enterprise Linux 6. Red Hat Storage is software-only, scale-out storage that provides flexible and affordable unstructured data st... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.6_technical_notes/glusterfs |
Chapter 2. Deploying HCI hardware | Chapter 2. Deploying HCI hardware This section contains procedures and information about the preparation and configuration of hyperconverged nodes. Prerequisites You have read Deploying an overcloud and Red Hat Ceph Storage in Deploying Red Hat Ceph and OpenStack together with director . 2.1. Cleaning Ceph Storage node... | [
"clean_nodes=true",
"openstack undercloud install",
"{ \"nodes\":[ { \"mac\":[ \"b1:b1:b1:b1:b1:b1\" ], \"cpu\":\"4\", \"memory\":\"6144\", \"disk\":\"40\", \"arch\":\"x86_64\", \"pm_type\":\"ipmi\", \"pm_user\":\"admin\", \"pm_password\":\"p@55w0rd!\", \"pm_addr\":\"192.0.2.205\" }, { \"mac\":[ \"b2:b2:b2:b2:b... | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/deploying_a_hyperconverged_infrastructure/assembly_deploying-hci-hardware_osp-hci |
Install ROSA Classic clusters | Install ROSA Classic clusters Red Hat OpenShift Service on AWS 4 Installing, accessing, and deleting Red Hat OpenShift Service on AWS (ROSA) clusters. Red Hat OpenShift Documentation Team | null | https://docs.redhat.com/en/documentation/red_hat_openshift_service_on_aws/4/html/install_rosa_classic_clusters/index |
Chapter 5. Getting Started with Virtual Machine Manager | Chapter 5. Getting Started with Virtual Machine Manager The Virtual Machine Manager, also known as virt-manager , is a graphical tool for creating and managing guest virtual machines. This chapter provides a description of the Virtual Machine Manager and how to run it. Note You can only run the Virtual Machine Manager ... | [
"virt-manager"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/virtualization_getting_started_guide/chap-virtualization_manager-introduction |
Chapter 19. Common administrative networking tasks | Chapter 19. Common administrative networking tasks Sometimes you might need to perform administration tasks on the Red Hat OpenStack Platform Networking service (neutron) such as configuring the Layer 2 Population driver or specifying the name assigned to ports by the internal DNS. 19.1. Configuring the L2 population d... | [
"source ~/stackrc",
"vi /home/stack/templates/my-environment.yaml",
"parameter_defaults: NeutronMechanismDrivers: ['openvswitch', 'l2population'] NeutronEnableL2Pop: 'True' NeutronEnableARPResponder: true",
"openstack overcloud deploy --templates -e <your_environment_files> -e /home/stack/templates/my-environ... | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/16.2/html/networking_guide/common-network-tasks_rhosp-network |
Chapter 2. Deploy OpenShift Data Foundation using Red Hat Ceph storage | Chapter 2. Deploy OpenShift Data Foundation using Red Hat Ceph storage Red Hat OpenShift Data Foundation can make services from an external Red Hat Ceph Storage cluster available for consumption through OpenShift Container Platform clusters. You need to install the OpenShift Data Foundation operator and then create an ... | [
"oc annotate namespace openshift-storage openshift.io/node-selector=",
"python3 ceph-external-cluster-details-exporter.py --help",
"[Configurations] format = bash cephfs-filesystem-name = <filesystem-name> rbd-data-pool-name = <pool_name>",
"python3 ceph-external-cluster-details-exporter.py --config-file /con... | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.18/html/deploying_openshift_data_foundation_in_external_mode/deploy-openshift-data-foundation-using-red-hat-ceph-storage |
5.6. Configuring a Failover Domain | 5.6. Configuring a Failover Domain A failover domain is a named subset of cluster nodes that are eligible to run a cluster service in the event of a node failure. A failover domain can have the following characteristics: Unrestricted - Allows you to specify that a subset of members are preferred, but that a cluster ser... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/4/html/cluster_administration/s1-config-failover-domain-CA |
8.3. Kernel Same-page Merging (KSM) | 8.3. Kernel Same-page Merging (KSM) Kernel same-page Merging (KSM), used by the KVM hypervisor, allows KVM guests to share identical memory pages. These shared pages are usually common libraries or other identical, high-use data. KSM allows for greater guest density of identical or similar guest operating systems by av... | [
"systemctl start ksm Starting ksm: [ OK ]",
"systemctl enable ksm",
"systemctl start ksmtuned Starting ksmtuned: [ OK ]",
"Configuration file for ksmtuned. How long ksmtuned should sleep between tuning adjustments KSM_MONITOR_INTERVAL=60 Millisecond sleep between ksm scans for 16Gb server. Smaller servers sle... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/virtualization_tuning_and_optimization_guide/chap-KSM |
Chapter 3. Updating Red Hat build of OpenJDK container images | Chapter 3. Updating Red Hat build of OpenJDK container images To ensure that an Red Hat build of OpenJDK container with Java applications includes the latest security updates, rebuild the container. Procedure Pull the base Red Hat build of OpenJDK image. Deploy the Red Hat build of OpenJDK application. For more informa... | null | https://docs.redhat.com/en/documentation/red_hat_build_of_openjdk/8/html/packaging_red_hat_build_of_openjdk_8_applications_in_containers/updating-openjdk8-container-images |
Chapter 5. Fencing: Configuring STONITH | Chapter 5. Fencing: Configuring STONITH STONITH is an acronym for "Shoot The Other Node In The Head" and it protects your data from being corrupted by rogue nodes or concurrent access. Just because a node is unresponsive, this does not mean it is not accessing your data. The only way to be 100% sure that your data is s... | [
"pcs stonith list [ filter ]"
] | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/high_availability_add-on_reference/ch-fencing-HAAR |
function::printk | function::printk Name function::printk - Send a message to the kernel trace buffer Synopsis Arguments level an integer for the severity level (0=KERN_EMERG ... 7=KERN_DEBUG) msg The formatted message string Description Print a line of text to the kernel dmesg/console with the given severity. An implicit end-of-line is ... | [
"printk(level:long,msg:string)"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/systemtap_tapset_reference/api-printk |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.