title stringlengths 4 168 | content stringlengths 7 1.74M | commands listlengths 1 5.62k ⌀ | url stringlengths 79 342 |
|---|---|---|---|
14.3. Attaching Interface Devices | 14.3. Attaching Interface Devices The virsh attach-interface domain type source command can take the following options: --live - get value from running domain --config - get value to be used on boot --current - get value according to current domain state --persistent - behaves like --config for an offline domain, and l... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/virtualization_administration_guide/sect-managing_guest_virtual_machines_with_virsh-attaching_interface_devices |
Chapter 2. Active-Active Disaster Recovery | Chapter 2. Active-Active Disaster Recovery This chapter provides instructions to configure Red Hat Virtualization for disaster recovery using the active-active disaster recovery solution. 2.1. Active-Active Overview Red Hat Virtualization supports an active-active disaster recovery failover configuration that can span ... | null | https://docs.redhat.com/en/documentation/red_hat_virtualization/4.3/html/disaster_recovery_guide/active_active |
Chapter 1. High-level RHACS installation overview | Chapter 1. High-level RHACS installation overview Red Hat Advanced Cluster Security for Kubernetes (RHACS) provides security services for your self-managed Red Hat OpenShift Kubernetes systems or platforms such as OpenShift Container Platform, Amazon Elastic Kubernetes Service (Amazon EKS), Google Kubernetes Engine (Go... | [
"helm install -n stackrox --create-namespace stackrox-secured-cluster-services rhacs/secured-cluster-services -f <name_of_cluster_init_bundle.yaml> -f <path_to_values_public.yaml> \\ 1 -f <path_to_values_private.yaml> \\ 2 --set imagePullSecrets.username=<username> \\ 3 --set imagePullSecrets.password=<password> 4"... | https://docs.redhat.com/en/documentation/red_hat_advanced_cluster_security_for_kubernetes/4.7/html/installing/high-level-rhacs-installation-overview |
Chapter 6. Changes in Go Toolset | Chapter 6. Changes in Go Toolset Go Toolset has been updated from version 1.19 to 1.20.10 on RHEL 8 and RHEL 9. Notable changes include: New functions added in the unsafe package to handle slices and strings without depending on the internal representation. Comparable types can now satisfy comparable constraints. A new... | null | https://docs.redhat.com/en/documentation/red_hat_developer_tools/1/html/using_go_1.20.10_toolset/assembly_changes-in-go-toolset_using-go-toolset |
Chapter 10. FS-Cache | Chapter 10. FS-Cache FS-Cache is a persistent local cache that can be used by file systems to take data retrieved from over the network and cache it on local disk. This helps minimize network traffic for users accessing data from a file system mounted over the network (for example, NFS). The following diagram is a high... | null | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/storage_administration_guide/ch-fscache |
Monitoring APIs | Monitoring APIs OpenShift Container Platform 4.17 Reference guide for monitoring APIs Red Hat OpenShift Documentation Team | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html-single/monitoring_apis/index |
Chapter 4. Managing resources and scopes | Chapter 4. Managing resources and scopes Resource management is straightforward and generic. After creating a resource server, you can start creating the resources and scopes that you want to protect. Resources and scopes can be managed by navigating to the Resource and Authorization Scopes tabs, respectively. 4.1. Vie... | null | https://docs.redhat.com/en/documentation/red_hat_build_of_keycloak/24.0/html/authorization_services_guide/resource_overview |
Chapter 5. Control plane backup and restore | Chapter 5. Control plane backup and restore 5.1. Backing up etcd etcd is the key-value store for OpenShift Container Platform, which persists the state of all resource objects. Back up your cluster's etcd data regularly and store in a secure location ideally outside the OpenShift Container Platform environment. Do not ... | [
"oc debug --as-root node/<node_name>",
"sh-4.4# chroot /host",
"export HTTP_PROXY=http://<your_proxy.example.com>:8080",
"export HTTPS_PROXY=https://<your_proxy.example.com>:8080",
"export NO_PROXY=<example.com>",
"sh-4.4# /usr/local/bin/cluster-backup.sh /home/core/assets/backup",
"found latest kube-ap... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html/backup_and_restore/control-plane-backup-and-restore |
6.8. Configuring a Failover Domain | 6.8. 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... | [
"ccs -h host --addfailoverdomain name [restricted] [ordered] [nofailback]",
"ccs -h node-01.example.com --addfailoverdomain example_pri ordered",
"ccs -h host --addfailoverdomainnode failoverdomain node priority",
"ccs -h node-01.example.com --addfailoverdomainnode example_pri node-01.example.com 1 ccs -h nod... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/cluster_administration/s1-config-failover-domain-ccs-CA |
Chapter 1. Architecture overview | Chapter 1. Architecture overview OpenShift Container Platform is a cloud-based Kubernetes container platform. The foundation of OpenShift Container Platform is based on Kubernetes and therefore shares the same technology. To learn more about OpenShift Container Platform and Kubernetes, see product architecture . 1.1. G... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/architecture/architecture-overview |
13.4. InfiniBand and RDMA related software packages | 13.4. InfiniBand and RDMA related software packages Because RDMA applications are so different from Berkeley Sockets based applications, and from normal IP networking, most applications that are used on an IP network cannot be used directly on an RDMA network. Red Hat Enterprise Linux 7 comes with a number of different... | null | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/networking_guide/sec-infiniband_and_rdma_related_software_packages |
1.2. Adding the Keyboard Layout Indicator | 1.2. Adding the Keyboard Layout Indicator If you want to see what keyboard layout you are currently using, or you would like to switch between different layouts with a single mouse click, add the Keyboard Indicator applet to the panel. To do so, right-click the empty space on the main panel, and select the Add to Panel... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/deployment_guide/s1-keyboard-indicator |
1.8.2. Making the Kickstart File Available on the Network | 1.8.2. Making the Kickstart File Available on the Network Network installations using kickstart are quite common, because system administrators can easily automate the installation on many networked computers quickly and painlessly. In general, the approach most commonly used is for the administrator to have both a BOO... | [
"filename \"/usr/new-machine/kickstart/\" ; next-server blarg.redhat.com;",
"<ip-addr> -kickstart"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/4/html/system_administration_guide/making_the_kickstart_file_available-making_the_kickstart_file_available_on_the_network |
Chapter 1. Overview of migrating Fuse 7 applications to Camel Extensions for Quarkus | Chapter 1. Overview of migrating Fuse 7 applications to Camel Extensions for Quarkus Fuse Red Hat Fuse is an agile integration solution based on open source communities like Apache Camel and Apache Karaf. Red Hat Fuse is a lightweight, flexible integration platform that enables rapid on-premise cloud integration. You c... | null | 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/overview-of-apache-camel-endpoints |
Chapter 134. Telegram | Chapter 134. Telegram Both producer and consumer are supported The Telegram component provides access to the Telegram Bot API . It allows a Camel-based application to send and receive messages by acting as a Bot, participating in direct conversations with normal users, private and public groups or channels. A Telegram ... | [
"<dependency> <groupId>org.apache.camel.springboot</groupId> <artifactId>camel-telegram-starter</artifactId> </dependency>",
"telegram:type[?options]",
"telegram:type",
"from(\"direct:start\").to(\"telegram:bots?authorizationToken=123456789:insertYourAuthorizationTokenHere\");",
"<route> <from uri=\"direct:... | https://docs.redhat.com/en/documentation/red_hat_build_of_apache_camel/4.4/html/red_hat_build_of_apache_camel_for_spring_boot_reference/csb-camel-telegram-component-starter |
Chapter 1. Overview of deploying in external mode | Chapter 1. Overview of deploying in external mode Red Hat OpenShift Data Foundation can make services from an external Red Hat Ceph Storage cluster available for consumption through OpenShift Container Platform clusters running on any platform. See Planning your deployment for more information. For instructions regardi... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.16/html/deploying_openshift_data_foundation_in_external_mode/overview-of-deploying-in-external-mode_rhodf |
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_build_of_openjdk/11/html/release_notes_for_eclipse_temurin_11.0.24/making-open-source-more-inclusive |
Chapter 1. Updating clusters overview | Chapter 1. Updating clusters overview You can update an OpenShift Container Platform 4 cluster with a single operation by using the web console or the OpenShift CLI ( oc ). 1.1. Understanding OpenShift Container Platform updates About the OpenShift Update Service : For clusters with internet access, Red Hat provides ov... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.9/html/updating_clusters/updating-clusters-overview |
A.19. Common libvirt Errors and Troubleshooting | A.19. Common libvirt Errors and Troubleshooting This appendix documents common libvirt -related problems and errors along with instructions for dealing with them. Locate the error on the table below and follow the corresponding link under Solution for detailed troubleshooting information. Table A.1. Common libvirt erro... | [
"systemctl start libvirtd.service * Caching service dependencies ... [ ok ] * Starting libvirtd /usr/sbin/libvirtd: error: Unable to initialize network sockets. Check /var/log/messages or run without --daemon for more info. * start-stop-daemon: failed to start `/usr/sbin/libvirtd' [ !! ] * ERROR: libvirtd failed to... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/virtualization_deployment_and_administration_guide/sect-troubleshooting-common_libvirt_errors_and_troubleshooting |
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_openshift_data_foundation/4.13/html/deploying_openshift_data_foundation_in_external_mode/making-open-source-more-inclusive |
Chapter 1. Hosted control planes overview | Chapter 1. Hosted control planes overview You can deploy OpenShift Container Platform clusters by using two different control plane configurations: standalone or hosted control planes. The standalone configuration uses dedicated virtual machines or physical machines to host the control plane. With hosted control planes... | [
"apiVersion: v1 data: supported-versions: '{\"versions\":[\"4.13\",\"4.12\",\"4.11\"]}' kind: ConfigMap metadata: labels: hypershift.openshift.io/supported-versions: \"true\" name: supported-versions namespace: hypershift"
] | https://docs.redhat.com/en/documentation/openshift_container_platform/4.13/html/hosted_control_planes/hcp-overview |
Chapter 11. Allowing JavaScript-based access to the API server from additional hosts | Chapter 11. Allowing JavaScript-based access to the API server from additional hosts 11.1. Allowing JavaScript-based access to the API server from additional hosts The default OpenShift Container Platform configuration only allows the web console to send requests to the API server. If you need to access the API server ... | [
"oc edit apiserver.config.openshift.io cluster",
"apiVersion: config.openshift.io/v1 kind: APIServer metadata: annotations: release.openshift.io/create-only: \"true\" creationTimestamp: \"2019-07-11T17:35:37Z\" generation: 1 name: cluster resourceVersion: \"907\" selfLink: /apis/config.openshift.io/v1/apiservers/... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.9/html/security_and_compliance/allowing-javascript-based-access-api-server |
Appendix C. Using AMQ Broker with the examples | Appendix C. Using AMQ Broker with the examples The AMQ JMS examples require a running message broker with a queue named queue . Use the procedures below to install and start the broker and define the queue. C.1. Installing the broker Follow the instructions in Getting Started with AMQ Broker to install the broker and c... | [
"<broker-instance-dir> /bin/artemis run",
"example-broker/bin/artemis run __ __ ____ ____ _ /\\ | \\/ |/ __ \\ | _ \\ | | / \\ | \\ / | | | | | |_) |_ __ ___ | | _____ _ __ / /\\ \\ | |\\/| | | | | | _ <| '__/ _ \\| |/ / _ \\ '__| / ____ \\| | | | |__| | | |_) | | | (_) | < __/ | /_/ \\_\\_| |_|\\___\\_\\ |____/|... | https://docs.redhat.com/en/documentation/red_hat_amq/2021.q1/html/using_the_amq_jms_client/using_the_broker_with_the_examples |
Chapter 8. Setting a default desktop session for all users | Chapter 8. Setting a default desktop session for all users You can configure a default desktop session that is preselected for all users that have not logged in yet. If a user logs in using a different session than the default, their selection persists to their login. Procedure Copy the configuration file template: Edi... | [
"cp /usr/share/accountsservice/user-templates/standard /etc/accountsservice/user-templates/standard",
"cp /usr/share/accountsservice/user-templates/standard /var/lib/AccountsService/users/ user-name"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/administering_the_system_using_the_gnome_desktop_environment/proc_setting-a-default-desktop-session-for-all-users_administering-the-system-using-the-gnome-desktop-environment |
Chapter 8. sVirt | Chapter 8. sVirt sVirt is a technology included in Red Hat Enterprise Linux that integrates SELinux and virtualization. sVirt applies Mandatory Access Control (MAC) to improve security when using virtual machines. The main reasons for integrating these technologies are to improve security and harden the system against ... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/selinux_users_and_administrators_guide/chap-security-enhanced_linux-svirt |
OpenShift sandboxed containers | OpenShift sandboxed containers OpenShift Container Platform 4.15 OpenShift sandboxed containers guide Red Hat OpenShift Documentation Team | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/openshift_sandboxed_containers/index |
Troubleshooting Guide | Troubleshooting Guide Red Hat Ceph Storage 4 Troubleshooting Red Hat Ceph Storage Red Hat Ceph Storage Documentation Team | null | https://docs.redhat.com/en/documentation/red_hat_ceph_storage/4/html/troubleshooting_guide/index |
Data Grid downloads | Data Grid downloads Access the Data Grid Software Downloads on the Red Hat customer portal. Note You must have a Red Hat account to access and download Data Grid software. | null | https://docs.redhat.com/en/documentation/red_hat_data_grid/8.4/html/data_grid_server_guide/rhdg-downloads_datagrid |
Chapter 5. Uninstalling OpenShift Data Foundation | Chapter 5. Uninstalling OpenShift Data Foundation 5.1. Uninstalling OpenShift Data Foundation in Internal mode To uninstall OpenShift Data Foundation in Internal mode, refer to the knowledge base article on Uninstalling OpenShift Data Foundation . | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.13/html/deploying_and_managing_openshift_data_foundation_using_google_cloud/uninstalling_openshift_data_foundation |
Chapter 115. Spring LDAP | Chapter 115. Spring LDAP Since Camel 2.11 Only producer is supported The Spring LDAP component provides a Camel wrapper for Spring LDAP . 115.1. Dependencies When using spring-ldap with Red Hat build of Camel Spring Boot, use the following Maven dependency to enable support for auto configuration: <dependency> <groupId... | [
"<dependency> <groupId>org.apache.camel.springboot</groupId> <artifactId>camel-spring-ldap-starter</artifactId> </dependency>",
"spring-ldap:springLdapTemplate[?options]",
"spring-ldap:templateName",
"from(\"direct:start\") .setBody(constant(createMap())) .to(\"spring-ldap:ldapTemplate?operation=BIND\");",
... | 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-spring-ldap-component-starter |
Chapter 13. Expanding single-node OpenShift clusters with GitOps ZTP | Chapter 13. Expanding single-node OpenShift clusters with GitOps ZTP You can expand single-node OpenShift clusters with GitOps Zero Touch Provisioning (ZTP). When you add worker nodes to single-node OpenShift clusters, the original single-node OpenShift cluster retains the control plane node role. Adding worker nodes d... | [
"oc get ptpoperatorconfig/default -n openshift-ptp -ojsonpath='{.spec}' | jq",
"{\"daemonNodeSelector\":{\"node-role.kubernetes.io/master\":\"\"}} 1",
"oc get sriovoperatorconfig/default -n openshift-sriov-network-operator -ojsonpath='{.spec}' | jq",
"{\"configDaemonNodeSelector\":{\"node-role.kubernetes.io/w... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/edge_computing/ztp-sno-additional-worker-node |
Chapter 15. Dynamic programming languages, web servers, database servers | Chapter 15. Dynamic programming languages, web servers, database servers 15.1. Dynamic programming languages 15.1.1. Notable changes in Python 15.1.1.1. Python 3 is the default Python implementation in RHEL 8 Red Hat Enterprise Linux 8 is distributed with several versions of Python 3 . Python 3.6 is going to be support... | [
"alternatives --set python /usr/bin/python3",
"alternatives --set python /usr/bin/python3.8",
"alternatives --set python /usr/bin/python3.9",
"alternatives --set python /usr/bin/python3.11",
"alternatives --set python /usr/bin/python3.12",
"alternatives --set python /usr/bin/python2",
"alternatives --co... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/considerations_in_adopting_rhel_8/dynamic-programming-languages-web-servers-database-servers_considerations-in-adopting-rhel-8 |
4.3. RHEA-2012:0831 - new package: device-mapper-persistent-data | 4.3. RHEA-2012:0831 - new package: device-mapper-persistent-data A new device-mapper-persistent-data package is now available for Red Hat Enterprise Linux 6. The device-mapper-persistent-data package provides device-mapper thin provisioning (thinp) tools. This enhancement update adds the device-mapper-persistent-data p... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.3_technical_notes/device-mapper-persistent-data |
Chapter 55. Compiler and Tools | Chapter 55. Compiler and Tools Performance of regular expressions cannot be boosted with the JIT technique if executable stack is disabled When the SELinux policy disallows executable stack, the PCRE library cannot use JIT compilation to speed up regular expressions. As a result, attempting JIT compilation for regular ... | [
"getsebool -a | grep execmem"
] | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/7.4_release_notes/known_issues_compiler_and_tools |
Chapter 71. Using IdM CA renewal server | Chapter 71. Using IdM CA renewal server 71.1. Explanation of IdM CA renewal server In an Identity Management (IdM) deployment that uses an embedded certificate authority (CA), the CA renewal server maintains and renews IdM system certificates. It ensures robust IdM deployments. IdM system certificates include: IdM CA c... | [
"~]USD kinit admin Password for admin@IDM.EXAMPLE.COM:",
"~]USD ipa server-role-find --role 'CA server' ---------------------- 2 server roles matched ---------------------- Server name: server.idm.example.com Role name: CA server Role status: enabled Server name: replica.idm.example.com Role name: CA server Role ... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/configuring_and_managing_identity_management/ipa-ca-renewal_configuring-and-managing-idm |
Chapter 1. Tutorials overview | Chapter 1. Tutorials overview Use the step-by-step tutorials from Red Hat experts to get the most out of your Managed OpenShift cluster. Important This content is authored by Red Hat experts but has not yet been tested on every supported configuration. | null | https://docs.redhat.com/en/documentation/red_hat_openshift_service_on_aws/4/html/tutorials/tutorials-overview |
Chapter 23. Performing health checks on Red Hat Quay deployments | Chapter 23. Performing health checks on Red Hat Quay deployments Health check mechanisms are designed to assess the health and functionality of a system, service, or component. Health checks help ensure that everything is working correctly, and can be used to identify potential issues before they become critical proble... | [
"{\"data\":{\"services\":{\"auth\":true,\"database\":true,\"disk_space\":true,\"registry_gunicorn\":true,\"service_key\":true,\"web_gunicorn\":true}},\"status_code\":200}"
] | https://docs.redhat.com/en/documentation/red_hat_quay/3/html/manage_red_hat_quay/health-check-quay |
Chapter 13. Configuring system controls and interface attributes using the tuning plugin | Chapter 13. Configuring system controls and interface attributes using the tuning plugin In Linux, sysctl allows an administrator to modify kernel parameters at runtime. You can modify interface-level network sysctls using the tuning Container Network Interface (CNI) meta plugin. The tuning CNI meta plugin operates in ... | [
"apiVersion: \"k8s.cni.cncf.io/v1\" kind: NetworkAttachmentDefinition metadata: name: <name> 1 namespace: default 2 spec: config: '{ \"cniVersion\": \"0.4.0\", 3 \"name\": \"<name>\", 4 \"plugins\": [{ \"type\": \"<main_CNI_plugin>\" 5 }, { \"type\": \"tuning\", 6 \"sysctl\": { \"net.ipv4.conf.IFNAME.accept_redirec... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/networking/configure-syscontrols-interface-tuning-cni |
Chapter 1. Introduction to System Authentication | Chapter 1. Introduction to System Authentication One of the cornerstones of establishing a secure network environment is making sure that access is restricted to people who have the right to access the network. If access is allowed, users can authenticate to the system, meaning they can verify their identities. On any ... | null | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/system-level_authentication_guide/Introduction |
Chapter 4. View OpenShift Data Foundation Topology | Chapter 4. View OpenShift Data Foundation Topology The topology shows the mapped visualization of the OpenShift Data Foundation storage cluster at various abstraction levels and also lets you to interact with these layers. The view also shows how the various elements compose the Storage cluster altogether. Procedure On... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.14/html/deploying_openshift_data_foundation_using_amazon_web_services/viewing-odf-topology_mcg-verify |
Chapter 1. Container names | Chapter 1. Container names The container images are: registry.access.redhat.com/ubi8/dotnet-90 registry.access.redhat.com/ubi8/dotnet-90-runtime | null | https://docs.redhat.com/en/documentation/net/9.0/html/release_notes_for_.net_9.0_containers/conteiners-names_release-notes-for-dotnet-containers |
8.184. powerpc-utils | 8.184. powerpc-utils 8.184.1. RHBA-2014:1454 - powerpc-utils bug fix and enhancement update Updated powerpc-utils packages that fix several bugs and add various enhancements are now available for Red Hat Enterprise Linux 6. The powerpc-utils packages provide various utilities for the PowerPC platform. * The update_flas... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.6_technical_notes/powerpc-utils |
Installing an on-premise cluster with the Agent-based Installer | Installing an on-premise cluster with the Agent-based Installer OpenShift Container Platform 4.18 Installing an on-premise OpenShift Container Platform cluster with the Agent-based Installer Red Hat OpenShift Documentation Team | [
"apiVersion: v1 baseDomain: test.example.com metadata: name: sno-cluster fips: True",
"apiVersion: extensions.hive.openshift.io/v1beta1 kind: AgentClusterInstall metadata: annotations: agent-install.openshift.io/install-config-overrides: '{\"fips\": True}' name: sno-cluster namespace: sno-cluster-test",
"apiVer... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html-single/installing_an_on-premise_cluster_with_the_agent-based_installer/index |
Chapter 28. Persistent Memory: NVDIMMs | Chapter 28. Persistent Memory: NVDIMMs Persistent memory ( pmem ), also called as storage class memory, is a combination of memory and storage. pmem combines the durability of storage with the low access latency and the high bandwidth of dynamic RAM (DRAM): Persistent memory is byte-addressable, so it can be accessed b... | [
"yum install ndctl",
"ndctl list --regions [ { \"dev\":\" region1 \", \"size\": 34359738368 , \"available_size\":0, \"type\":\"pmem\" }, { \"dev\":\" region0 \", \"size\": 34359738368 , \"available_size\":0, \"type\":\"pmem\" } ]",
"ndctl list --namespaces --idle [ { \"dev\":\" namespace1.0 \", \"mode\":\"raw\"... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/storage_administration_guide/ch-persistent-memory-nvdimms |
Updating clusters | Updating clusters OpenShift Container Platform 4.13 Updating OpenShift Container Platform clusters Red Hat OpenShift Documentation Team | [
"oc adm upgrade --include-not-recommended",
"Cluster version is 4.10.22 Upstream is unset, so the cluster will use an appropriate default. Channel: fast-4.11 (available channels: candidate-4.10, candidate-4.11, eus-4.10, fast-4.10, fast-4.11, stable-4.10) Recommended updates: VERSION IMAGE 4.10.26 quay.io/openshi... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.13/html-single/updating_clusters/index |
Chapter 15. Encrypting etcd data | Chapter 15. Encrypting etcd data 15.1. About etcd encryption By default, etcd data is not encrypted in OpenShift Container Platform. You can enable etcd encryption for your cluster to provide an additional layer of data security. For example, it can help protect the loss of sensitive data if an etcd backup is exposed t... | [
"oc edit apiserver",
"spec: encryption: type: aesgcm 1",
"oc get openshiftapiserver -o=jsonpath='{range .items[0].status.conditions[?(@.type==\"Encrypted\")]}{.reason}{\"\\n\"}{.message}{\"\\n\"}'",
"EncryptionCompleted All resources encrypted: routes.route.openshift.io",
"oc get kubeapiserver -o=jsonpath='... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/security_and_compliance/encrypting-etcd |
Chapter 33. Using XML Elements | Chapter 33. Using XML Elements Abstract XML Schema elements are used to define an instance of an element in an XML document. Elements are defined either in the global scope of an XML Schema document, or they are defined as a member of a complex type. When they are defined in the global scope, Apache CXF maps them to a ... | [
"<element name=\"joeFred\" type=\"xsd:string\" />",
"<element name=\"skate\"> <complexType> <sequence> <element name=\"numWheels\" type=\"xsd:int\" /> <element name=\"brand\" type=\"xsd:string\" /> </sequence> </complexType> </element>",
"public class ObjectFactory { private final static QName _ name _QNAME = n... | https://docs.redhat.com/en/documentation/red_hat_fuse/7.13/html/apache_cxf_development_guide/jaxwselementmapping |
Chapter 74. KafkaClientAuthenticationScramSha256 schema reference | Chapter 74. KafkaClientAuthenticationScramSha256 schema reference Used in: KafkaBridgeSpec , KafkaConnectSpec , KafkaMirrorMaker2ClusterSpec , KafkaMirrorMakerConsumerSpec , KafkaMirrorMakerProducerSpec Full list of KafkaClientAuthenticationScramSha256 schema properties To configure SASL-based SCRAM-SHA-256 authenticat... | [
"echo -n PASSWORD > MY-PASSWORD .txt",
"create secret generic MY-CONNECT-SECRET-NAME --from-file= MY-PASSWORD-FIELD-NAME =./ MY-PASSWORD .txt",
"apiVersion: v1 kind: Secret metadata: name: my-connect-secret-name type: Opaque data: my-connect-password-field: LFTIyFRFlMmU2N2Tm",
"authentication: type: scram-sha... | https://docs.redhat.com/en/documentation/red_hat_streams_for_apache_kafka/2.7/html/streams_for_apache_kafka_api_reference/type-KafkaClientAuthenticationScramSha256-reference |
Networking | Networking Red Hat OpenShift Service on AWS 4 Configuring Red Hat OpenShift Service on AWS networking Red Hat OpenShift Documentation Team | null | https://docs.redhat.com/en/documentation/red_hat_openshift_service_on_aws/4/html/networking/index |
Chapter 18. Syncing LDAP groups | Chapter 18. Syncing LDAP groups As an administrator, you can use groups to manage users, change their permissions, and enhance collaboration. Your organization may have already created user groups and stored them in an LDAP server. OpenShift Container Platform can sync those LDAP records with internal OpenShift Contain... | [
"url: ldap://10.0.0.0:389 1 bindDN: cn=admin,dc=example,dc=com 2 bindPassword: <password> 3 insecure: false 4 ca: my-ldap-ca-bundle.crt 5",
"baseDN: ou=users,dc=example,dc=com 1 scope: sub 2 derefAliases: never 3 timeout: 0 4 filter: (objectClass=person) 5 pageSize: 0 6",
"groupUIDNameMapping: \"cn=group1,ou=gr... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.11/html/authentication_and_authorization/ldap-syncing |
Chapter 2. Managing virtual machines | Chapter 2. Managing virtual machines You can perform common virtual machine management tasks in the virtual machines pane: Start a virtual machine by clicking the Run button ( ). It is available when the virtual machine is suspended or stopped. Access the console of a virtual machine by clicking the Console button ( ).... | null | https://docs.redhat.com/en/documentation/red_hat_virtualization/4.4/html/introduction_to_the_vm_portal/chap-managing_virtual_machines |
Chapter 1. Preparing to install Red Hat OpenShift GitOps | Chapter 1. Preparing to install Red Hat OpenShift GitOps Read the following information about sizing requirements and prerequisites before you install Red Hat OpenShift GitOps on OpenShift Container Platform. Sizing requirements also provides the sizing details for the default ArgoCD instance that is instantiated by th... | [
"edit argocd <name of argo cd> -n namespace"
] | https://docs.redhat.com/en/documentation/red_hat_openshift_gitops/1.12/html/installing_gitops/preparing-gitops-install |
Chapter 5. Preparing your environment for managing IdM using Ansible playbooks | Chapter 5. Preparing your environment for managing IdM using Ansible playbooks As a system administrator managing Identity Management (IdM), when working with Red Hat Ansible Engine, it is good practice to do the following: Keep a subdirectory dedicated to Ansible playbooks in your home directory, for example ~/MyPlayb... | [
"cd ~/MyPlaybooks",
"[defaults] inventory = /home/ your_username /MyPlaybooks/inventory remote_user = admin",
"[eu] server.idm.example.com [us] replica.idm.example.com [ipaserver:children] eu us",
"ssh-keygen",
"ssh-copy-id admin@server.idm.example.com ssh-copy-id admin@replica.idm.example.com",
"redhat",... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/using_ansible_to_install_and_manage_identity_management/preparing-your-environment-for-managing-idm-using-ansible-playbooks_using-ansible-to-install-and-manage-identity-management |
Chapter 1. Administering Kafka Clusters with Streams for Apache Kafka Console | Chapter 1. Administering Kafka Clusters with Streams for Apache Kafka Console The Streams for Apache Kafka Console provides a user interface to facilitate the administration of Kafka clusters, delivering real-time insights for monitoring, managing, and optimizing each cluster from its user interface. | null | https://docs.redhat.com/en/documentation/red_hat_streams_for_apache_kafka/2.7/html/using_the_streams_for_apache_kafka_console/con-using-the-console-str |
Chapter 16. Day 2 operations for telco core CNF clusters | Chapter 16. Day 2 operations for telco core CNF clusters 16.1. Upgrading telco core CNF clusters 16.1.1. Upgrading a telco core CNF cluster OpenShift Container Platform has long term support or extended update support (EUS) on all even releases and update paths between EUS releases. You can update from one EUS version ... | [
"oc adm upgrade",
"Cluster version is 4.14.34 Upstream is unset, so the cluster will use an appropriate default. Channel: stable-4.14 (available channels: candidate-4.14, candidate-4.15, eus-4.14, eus-4.16, fast-4.14, fast-4.15, stable-4.14, stable-4.15) Recommended updates: VERSION IMAGE 4.14.37 quay.io/openshif... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/edge_computing/day-2-operations-for-telco-core-cnf-clusters |
Chapter 3. Configuring IP Networking | Chapter 3. Configuring IP Networking As a system administrator, you can configure a network interface either using NetworkManager or not. 3.1. Selecting Network Configuration Methods To configure a network interface using NetworkManager , use one of the following tools: the text user interface tool, nmtui . For more de... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/networking_guide/ch-Configuring_IP_Networking |
Chapter 5. Installing a cluster on IBM Cloud with customizations | Chapter 5. Installing a cluster on IBM Cloud with customizations In OpenShift Container Platform version 4.16, you can install a customized cluster on infrastructure that the installation program provisions on IBM Cloud(R). To customize the installation, you modify parameters in the install-config.yaml file before you ... | [
"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_installation/4.16/html/installing_on_ibm_cloud/installing-ibm-cloud-customizations |
Chapter 10. Troubleshooting scrub and deep-scrub issues | Chapter 10. Troubleshooting scrub and deep-scrub issues Learn to troubleshoot the scrub and deep-scrub issues. 10.1. Addressing the scrub slowness issue while upgrading to 8 Learn to troubleshoot the scrub slowness issue which seen after upgrading to Red Hat Ceph Storage 8. Scrub slowness is caused by the automated OSD... | [
"ceph config rm osd.X osd_mclock_max_capacity_iops_[hdd|ssd]",
"ceph config rm osd.X osd_mclock_max_capacity_iops_[hdd|ssd]",
"ceph config set osd.X osd_mclock_force_run_benchmark_on_init true",
"ceph config rm osd.X osd_mclock_max_capacity_iops_[hdd|ssd]",
"ceph config set osd.X osd_mclock_force_run_benchm... | https://docs.redhat.com/en/documentation/red_hat_ceph_storage/8/html/troubleshooting_guide/troubleshootig-scrub-and-deep-scrub-issues_diag |
Chapter 8. 4.5 Release Notes | Chapter 8. 4.5 Release Notes 8.1. New Features This following major enhancements have been introduced in Red Hat Update Infrastructure 4.5. yum plugins are no longer automatically enabled With this update, the client configuration RPMs in rhui-manager prevent subscription manager from automatically enabling yum plugins... | [
"rhui-manager --non-interactive status --repo_json <output file>",
"An unexpected error has occurred during the last operation.",
"RUNNING HANDLER [Delete the active login session file] *********************************************************************** [DEPRECATION WARNING]: evaluating 'rhui_active_login_f... | https://docs.redhat.com/en/documentation/red_hat_update_infrastructure/4/html/release_notes/assembly_4-5-release-notes_release-notes |
28.7. Renaming a Server or Replica Host System | 28.7. Renaming a Server or Replica Host System There is no way to change the hostname for an IdM server or replica machine. The Kerberos keys and certificate management is too complex to allow the hostname to change. Rather, if a server or replica needs to be renamed, it is easier to replace the instance. Create a new ... | [
"ipactl stop"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/identity_management_guide/renaming-replica |
Chapter 15. TigerVNC | Chapter 15. TigerVNC TigerVNC (Tiger Virtual Network Computing) is a system for graphical desktop sharing which allows you to remotely control other computers. TigerVNC works on the client-server principle: a server shares its output ( vncserver ) and a client ( vncviewer ) connects to the server. 15.1. VNC Server vncs... | [
"~]# yum install tigervnc-server",
"~]# vi /etc/sysconfig/vncservers",
"VNCSERVERS=\"3:joe\"",
"~]# vi /etc/sysconfig/vncservers",
"VNCSERVERS=\"3:joe 4:jill\"",
"VNCSERVERS=\" display_number : user display_number : user \" VNCSERVERARGS[ display_number ]=\" arguments \"",
"VNCSERVERS=\"3:joe 4:jill\" V... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/deployment_guide/chap-TigerVNC |
Chapter 10. Configuring global IdM settings using Ansible playbooks | Chapter 10. Configuring global IdM settings using Ansible playbooks Using the Ansible config module, you can retrieve and set global configuration parameters for Identity Management (IdM). Retrieving IdM configuration using an Ansible playbook Configuring the IdM CA renewal server using an Ansible playbook Configuring ... | [
"--- - name: Playbook to handle global IdM configuration hosts: ipaserver become: no gather_facts: no vars_files: - /home/user_name/MyPlaybooks/secret.yml tasks: - name: Query IPA global configuration ipaconfig: ipaadmin_password: \"{{ ipaadmin_password }}\" register: serverconfig - debug: msg: \"{{ serverconfig }}... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/configuring_and_managing_identity_management/configuring-global-IdM-settings-using-Ansible-playbooks_configuring-and-managing-idm |
Standalone Deployment Guide | Standalone Deployment Guide Red Hat OpenStack Platform 17.0 Creating an all-in-one OpenStack cloud for test and proof-of-concept environments OpenStack Documentation Team rhos-docs@redhat.com | null | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.0/html/standalone_deployment_guide/index |
Chapter 1. Red Hat Enterprise Linux AI overview | Chapter 1. Red Hat Enterprise Linux AI overview Red Hat Enterprise Linux AI is a platform that allows you to develop enterprise applications on open source Large Language Models (LLMs). RHEL AI is built from the Red Hat InstructLab open source project. For more detailed information about InstructLab, see the "InstructL... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux_ai/1.2/html/getting_started/rhelai-overview |
Chapter 5. Installing a cluster on Azure Stack Hub using ARM templates | Chapter 5. Installing a cluster on Azure Stack Hub using ARM templates In OpenShift Container Platform version 4.14, you can install a cluster on Microsoft Azure Stack Hub by using infrastructure that you provide. Several Azure Resource Manager (ARM) templates are provided to assist in completing these steps or to help... | [
"az cloud register -n AzureStackCloud --endpoint-resource-manager <endpoint> 1",
"az cloud set -n AzureStackCloud",
"az cloud update --profile 2019-03-01-hybrid",
"az login",
"az account list --refresh",
"[ { \"cloudName\": AzureStackCloud\", \"id\": \"9bab1460-96d5-40b3-a78e-17b15e978a80\", \"isDefault\"... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html/installing_on_azure_stack_hub/installing-azure-stack-hub-user-infra |
Chapter 12. Configuring the vSphere connection settings after an installation | Chapter 12. Configuring the vSphere connection settings after an installation After installing an OpenShift Container Platform cluster on vSphere with the platform integration feature enabled, you might need to update the vSphere connection settings manually, depending on the installation method. For installations usin... | [
"kind: StorageClass apiVersion: storage.k8s.io/v1 metadata: name: vsphere-sc provisioner: kubernetes.io/vsphere-volume parameters: datastore: YOURVCENTERDATASTORE diskformat: thin reclaimPolicy: Delete volumeBindingMode: Immediate",
"kind: PersistentVolumeClaim apiVersion: v1 metadata: name: test-pvc namespace: o... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/installing_on_vmware_vsphere/installing-vsphere-post-installation-configuration |
Installing Capsule Server | Installing Capsule Server Red Hat Satellite 6.15 Install and configure Capsule Red Hat Satellite Documentation Team satellite-doc-list@redhat.com | null | https://docs.redhat.com/en/documentation/red_hat_satellite/6.15/html/installing_capsule_server/index |
3.5. Setting Cgroup Parameters | 3.5. Setting Cgroup Parameters Modify the parameters of the control groups by editing the /etc/cgconfig.conf configuration file, or by using the cgset command. Changes made to /etc/cgconfig.conf are preserved after reboot, while cgset changes the cgroup parameters only for the current session. Modifying /etc/cgconfig.c... | [
"group name { [ permissions ] controller { param_name = param_value ; ... } ... }",
"perm { task { uid = task_user ; gid = task_group ; } admin { uid = admin_name ; gid = admin_group ; } }",
"~]# systemctl stop cgconfig",
"~]# systemctl start cgconfig",
"cgset -r parameter = value path_to_cgroup",
"cgset ... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/resource_management_guide/sec-setting_cgroup_parameters |
Chapter 1. Preparing to deploy OpenShift Data Foundation | Chapter 1. Preparing to deploy OpenShift Data Foundation Deploying OpenShift Data Foundation on OpenShift Container Platform using dynamic storage devices provides you with the option to create internal cluster resources. This will result in the internal provisioning of the base services, which helps to make additional... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.14/html/deploying_openshift_data_foundation_using_microsoft_azure/preparing_to_deploy_openshift_data_foundation |
Chapter 13. Protecting systems against intrusive USB devices | Chapter 13. Protecting systems against intrusive USB devices USB devices can be loaded with spyware, malware, or trojans, which can steal your data or damage your system. As a Red Hat Enterprise Linux administrator, you can prevent such USB attacks with USBGuard . 13.1. USBGuard With the USBGuard software framework, yo... | [
"yum install usbguard",
"usbguard generate-policy > /etc/usbguard/rules.conf",
"systemctl enable --now usbguard",
"systemctl status usbguard ● usbguard.service - USBGuard daemon Loaded: loaded (/usr/lib/systemd/system/usbguard.service; enabled; vendor preset: disabled) Active: active (running) since Thu 2019-... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/security_hardening/protecting-systems-against-intrusive-usb-devices_security-hardening |
5.11. The Multipath Daemon | 5.11. The Multipath Daemon If you find you have trouble implementing a multipath configuration, you should ensure that the multipath daemon is running, as described in Chapter 3, Setting Up DM-Multipath . The multipathd daemon must be running in order to use multipathed devices. | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/dm_multipath/multipath_daemon |
Chapter 81. ExternalConfiguration schema reference | Chapter 81. ExternalConfiguration schema reference Used in: KafkaConnectSpec , KafkaMirrorMaker2Spec Full list of ExternalConfiguration schema properties Configures external storage properties that define configuration options for Kafka Connect connectors. You can mount ConfigMaps or Secrets into a Kafka Connect pod as... | null | https://docs.redhat.com/en/documentation/red_hat_streams_for_apache_kafka/2.5/html/amq_streams_api_reference/type-ExternalConfiguration-reference |
Chapter 11. Logging alerts | Chapter 11. Logging alerts 11.1. Default logging alerts Logging alerts are installed as part of the Red Hat OpenShift Logging Operator installation. Alerts depend on metrics exported by the log collection and log storage backends. These metrics are enabled if you selected the option to Enable Operator recommended clust... | [
"apiVersion: loki.grafana.com/v1 kind: LokiStack metadata: name: <name> namespace: <namespace> spec: rules: enabled: true 1 selector: matchLabels: openshift.io/<label_name>: \"true\" 2 namespaceSelector: matchLabels: openshift.io/<label_name>: \"true\" 3",
"oc adm policy add-role-to-user alertingrules.loki.grafan... | https://docs.redhat.com/en/documentation/openshift_dedicated/4/html/logging/logging-alerts |
Chapter 8. Scanning the System for Configuration Compliance and Vulnerabilities | Chapter 8. Scanning the System for Configuration Compliance and Vulnerabilities A compliance audit is a process of determining whether a given object follows all the rules specified in a compliance policy. The compliance policy is defined by security professionals who specify the required settings, often in the form of... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/security_guide/scanning-the-system-for-configuration-compliance-and-vulnerabilities_security-hardening |
4.3. Volume Group Administration | 4.3. Volume Group Administration This section describes the commands that perform the various aspects of volume group administration. 4.3.1. Creating Volume Groups To create a volume group from one or more physical volumes, use the vgcreate command. The vgcreate command creates a new volume group by name and adds at le... | [
"vgcreate vg1 /dev/sdd1 /dev/sde1",
"/dev/ vg / lv /",
"/dev/myvg1/lv01 /dev/myvg1/lv02 /dev/myvg1/lv03 /dev/myvg2/lv01 /dev/myvg2/lv02 /dev/myvg2/lv03",
"vgcreate -c n vg1 /dev/sdd1 /dev/sde1",
"vgs VG #PV #LV #SN Attr VSize VFree VolGroup00 1 2 0 wz--n- 19.88G 0 testvg1 1 1 0 wz--nc 46.00G 8.00M",
"vgex... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/logical_volume_manager_administration/vg_admin |
Administration Guide | Administration Guide Red Hat Ceph Storage 5 Administration of Red Hat Ceph Storage Red Hat Ceph Storage Documentation Team | null | https://docs.redhat.com/en/documentation/red_hat_ceph_storage/5/html/administration_guide/index |
5.6. Controlling Traffic | 5.6. Controlling Traffic 5.6.1. Predefined Services Services can be added and removed using the graphical firewall-config tool, firewall-cmd , and firewall-offline-cmd . Alternatively, you can edit the XML files in the /etc/firewalld/services/ directory. If a service is not added or changed by the user, then no corresp... | [
"~]# firewall-cmd --panic-on",
"~]# firewall-cmd --panic-off",
"~]# firewall-cmd --query-panic",
"~]# firewall-cmd --list-services ssh dhcpv6-client",
"~]# firewall-cmd --get-services RH-Satellite-6 amanda-client amanda-k5-client bacula bacula-client bitcoin bitcoin-rpc bitcoin-testnet bitcoin-testnet-rpc c... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/security_guide/sec-Controlling_Traffic |
Chapter 4. Managing applications that show in the dashboard | Chapter 4. Managing applications that show in the dashboard 4.1. Adding an application to the dashboard If you have installed an application in your OpenShift cluster, you can add a tile for that application to the OpenShift AI dashboard (the Applications Enabled page) to make it accessible for OpenShift AI users. Prer... | [
"apiVersion: dashboard.opendatahub.io/v1 kind: OdhApplication metadata: name: examplename namespace: redhat-ods-applications labels: app: odh-dashboard app.kubernetes.io/part-of: odh-dashboard spec: enable: validationConfigMap: examplename-enable img: >- <svg width=\"24\" height=\"25\" viewBox=\"0 0 24 25\" fill=\"... | https://docs.redhat.com/en/documentation/red_hat_openshift_ai_self-managed/2.18/html/managing_openshift_ai/managing-applications-that-show-in-the-dashboard |
6.8. Debugging nftables rules | 6.8. Debugging nftables rules The nftables framework provides different options for administrators to debug rules and if packets match them. This section describes these options. 6.8.1. Creating a rule with a counter To identify if a rule is matched, you can use a counter. This section describes how to create a new rul... | [
"nft add rule inet example_table example_chain tcp dport 22 counter accept",
"nft list ruleset table inet example_table { chain example_chain { type filter hook input priority filter; policy accept; tcp dport ssh counter packets 6872 bytes 105448565 accept } }",
"nft --handle list chain inet example_table examp... | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/security_guide/sec-Debugging_nftables_rules |
E.4. Using the sysctl Command | E.4. Using the sysctl Command The /sbin/sysctl command is used to view, set, and automate kernel settings in the /proc/sys/ directory. For a quick overview of all settings configurable in the /proc/sys/ directory, type the /sbin/sysctl -a command as root. This creates a large, comprehensive list, a small portion of whi... | [
"net.ipv4.route.min_pmtu = 552 kernel.sysrq = 0 kernel.sem = 250 32000 32 128",
"echo 1 > /proc/sys/kernel/sysrq",
"sysctl -w kernel.sysrq=\"1\" kernel.sysrq = 1"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/deployment_guide/s1-proc-sysctl |
3. Customizing the Boot Menu | 3. Customizing the Boot Menu This section contains information necessary for customizing the boot menu - the menu which appears after you boot your system from an installation image. Normally, this menu allows you to choose between options such as Install Red Hat Enterprise Linux , Boot from local drive or Rescue an in... | [
"label check menu label Test this ^media & install Red Hat Enterprise Linux 7.1 menu default kernel vmlinuz append initrd=initrd.img inst.stage2=hd:LABEL=RHEL-7.1\\x20x86_64 rd.live.check quiet",
"menu begin ^Troubleshooting menu title Troubleshooting label rescue menu label ^Rescue a Red Hat Enterprise Linux sys... | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/anaconda_customization_guide/sect-boot-menu-customization |
Chapter 4. Installing a cluster in a disconnected environment | Chapter 4. Installing a cluster in a disconnected environment You can install an OpenShift Container Platform cluster in a disconnected environment, choosing the installation method and infrastructure that best suits your requirements. This includes installing OpenShift Container Platform on either on-premise hardware ... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/disconnected_environments/installing-disconnected-environments |
probe::ipmib.InNoRoutes | probe::ipmib.InNoRoutes Name probe::ipmib.InNoRoutes - Count an arriving packet with no matching socket Synopsis ipmib.InNoRoutes Values op value to be added to the counter (default value of 1) skb pointer to the struct sk_buff being acted on Description The packet pointed to by skb is filtered by the function ipmib_fi... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/systemtap_tapset_reference/api-ipmib-innoroutes |
Chapter 5. Managing user-owned OAuth access tokens | Chapter 5. Managing user-owned OAuth access tokens Users can review their own OAuth access tokens and delete any that are no longer needed. 5.1. Listing user-owned OAuth access tokens You can list your user-owned OAuth access tokens. Token names are not sensitive and cannot be used to log in. Procedure List all user-ow... | [
"oc get useroauthaccesstokens",
"NAME CLIENT NAME CREATED EXPIRES REDIRECT URI SCOPES <token1> openshift-challenging-client 2021-01-11T19:25:35Z 2021-01-12 19:25:35 +0000 UTC https://oauth-openshift.apps.example.com/oauth/token/implicit user:full <token2> openshift-browser-client 2021-01-11T19:27:06Z 2021-01-12 1... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html/authentication_and_authorization/managing-oauth-access-tokens |
Chapter 6. Premigration checklists | Chapter 6. Premigration checklists Before you migrate your application workloads with the Migration Toolkit for Containers (MTC), review the following checklists. 6.1. Cluster health checklist ❏ The clusters meet the minimum hardware requirements for the specific platform and installation method, for example, on bare m... | [
"oc get pv",
"oc get pods --all-namespaces | egrep -v 'Running | Completed'",
"oc get pods --all-namespaces --field-selector=status.phase=Running -o json | jq '.items[]|select(any( .status.containerStatuses[]; .restartCount > 3))|.metadata.name'",
"oc get csr -A | grep pending -i"
] | https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/migration_toolkit_for_containers/premigration-checklists-mtc |
Chapter 63. KafkaExporterSpec schema reference | Chapter 63. KafkaExporterSpec schema reference Used in: KafkaSpec Property Property type Description image string The container image used for the Kafka Exporter pods. If no image name is explicitly specified, the image name corresponds to the version specified in the Cluster Operator configuration. If an image name is... | null | https://docs.redhat.com/en/documentation/red_hat_streams_for_apache_kafka/2.7/html/streams_for_apache_kafka_api_reference/type-KafkaExporterSpec-reference |
Chapter 3. Accessing hosts | Chapter 3. Accessing hosts Learn how to create a bastion host to access OpenShift Container Platform instances and access the control plane nodes with secure shell (SSH) access. 3.1. Accessing hosts on Amazon Web Services in an installer-provisioned infrastructure cluster The OpenShift Container Platform installer does... | [
"ssh -i <ssh-key-path> core@<master-hostname>"
] | https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/networking/accessing-hosts |
Chapter 2. Installing a cluster on IBM Power | Chapter 2. Installing a cluster on IBM Power In OpenShift Container Platform version 4.17, you can install a cluster on IBM Power(R) infrastructure that you provision. Important Additional considerations exist for non-bare metal platforms. Review the information in the guidelines for deploying OpenShift Container Platf... | [
"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-ibm-power |
Chapter 3. Node Feature Discovery Operator | Chapter 3. Node Feature Discovery Operator Learn about the Node Feature Discovery (NFD) Operator and how you can use it to expose node-level information by orchestrating Node Feature Discovery, a Kubernetes add-on for detecting hardware features and system configuration. The Node Feature Discovery Operator (NFD) manage... | [
"apiVersion: v1 kind: Namespace metadata: name: openshift-nfd labels: name: openshift-nfd openshift.io/cluster-monitoring: \"true\"",
"oc create -f nfd-namespace.yaml",
"apiVersion: operators.coreos.com/v1 kind: OperatorGroup metadata: generateName: openshift-nfd- name: openshift-nfd namespace: openshift-nfd sp... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/specialized_hardware_and_driver_enablement/psap-node-feature-discovery-operator |
Chapter 24. Automating System Tasks | Chapter 24. Automating System Tasks You can configure Red Hat Enterprise Linux to automatically run tasks, also known as jobs : regularly at specified time using cron , see Section 24.1, "Scheduling a Recurring Job Using Cron" asynchronously at certain days using anacron , see Section 24.2, "Scheduling a Recurring Asyn... | [
"~]# yum install cronie",
"~]# systemctl enable crond.service",
"~]# systemctl start crond.service",
"0,10,20,30,40,50 17-20 15 Jun,Jul,Aug * root /usr/local/bin/my-script.sh",
"SHELL=/bin/bash PATH=/sbin:/bin:/usr/sbin:/usr/bin MAILTO=root For details see man 4 crontabs Example of job definition: .--------... | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/system_administrators_guide/ch-Automating_System_Tasks |
File System Guide | File System Guide Red Hat Ceph Storage 4 Configuring and Mounting Ceph File Systems Red Hat Ceph Storage Documentation Team | null | https://docs.redhat.com/en/documentation/red_hat_ceph_storage/4/html/file_system_guide/index |
27.3. Configuring PKINIT in IdM | 27.3. Configuring PKINIT in IdM If your IdM servers are running with PKINIT disabled, use these steps to enable it. For example, a server is running with PKINIT disabled if you passed the --no-pkinit option with the ipa-server-install or ipa-replica-install utilities. Prerequisites Ensure that all IdM servers with a ce... | [
"kinit admin Password for admin@IPA.TEST: ipa pkinit-status --server=server.idm.example.com ---------------- 1 server matched ---------------- Server name: server.idm.example.com PKINIT status: enabled ---------------------------- Number of entries returned 1 ----------------------------",
"ipa pkinit-status --se... | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/linux_domain_identity_authentication_and_policy_guide/pkinit-configure |
14.9. Running Self-Tests | 14.9. Running Self-Tests The Certificate System has the added functionality to allow self-tests of the server. The self-tests are run at start up and can also be run on demand. The startup self-tests run when the server starts and keep the server from starting if a critical self-test fails. The on-demand self-tests are... | [
"pkiconsole https://server.example.com: admin_port/subsystem_type",
"pki-server stop instance_name",
"setfacl -R -L -m g:pkiadmin:r,d:g:pkiadmin:r /var/lib/pki/ instance_name",
"find -L /var/lib/pki/ instance_name -type d -exec setfacl -L -n -m g:pkiadmin:rx,d:g:pkiadmin:rx {} \\;",
"setfacl -R -L -x g:pkia... | https://docs.redhat.com/en/documentation/red_hat_certificate_system/10/html/administration_guide/Self_Tests |
Chapter 11. Subscribing functions to CloudEvents | Chapter 11. Subscribing functions to CloudEvents You can subscribe a function to a set of events. This links your function to CloudEvent objects defined by your filters and enables automated responses. 11.1. Subscribing a function to CloudEvents The subscribe command connects the function to a set of events, matching a... | [
"kn func subscribe --filter type=com.example.Hello --source my-broker",
"kn func subscribe --filter type=com.example --filter extension=my-extension-value",
"kn func deploy",
"🙌 Function image built: <registry>/hello:latest 🎯 Creating Triggers on the cluster ✅ Function deployed in namespace \"default\" and ... | https://docs.redhat.com/en/documentation/red_hat_openshift_serverless/1.33/html/functions/serverless-functions-subscribing |
5.3.9.2. /proc/sys/fs/ | 5.3.9.2. /proc/sys/fs/ This directory contains an array of options and information concerning various aspects of the file system, including quota, file handle, inode, and dentry information. The binfmt_misc/ directory is used to provide kernel support for miscellaneous binary formats. The important files in /proc/sys/f... | [
"57411 52939 45 0 0 0"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/4/html/reference_guide/s3-proc-sys-fs |
4.126. libarchive | 4.126. libarchive 4.126.1. RHBA-2012:0464 - libarchive bug fix update Updated libarchive packages that fix one bug are now available for Red Hat Enterprise Linux 6. The libarchive programming library can create and read several different streaming archive formats, including GNU tar and cpio. The library can also read I... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.2_technical_notes/libarchive |
Chapter 9. CSISnapshotController [operator.openshift.io/v1] | Chapter 9. CSISnapshotController [operator.openshift.io/v1] Description CSISnapshotController provides a means to configure an operator to manage the CSI snapshots. cluster is the canonical name. Compatibility level 1: Stable within a major release for a minimum of 12 months or 3 minor releases (whichever is longer). T... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html/operator_apis/csisnapshotcontroller-operator-openshift-io-v1 |
Chapter 1. Preparing your Environment for Installation | Chapter 1. Preparing your Environment for Installation Before you install Satellite, ensure that your environment meets the following requirements. 1.1. System Requirements The following requirements apply to the networked base operating system: x86_64 architecture The latest version of Red Hat Enterprise Linux 8 or Re... | [
"nfs.example.com:/nfsshare /var/lib/pulp nfs context=\"system_u:object_r:var_lib_t:s0\" 1 2",
"restorecon -R /var/lib/pulp",
"firewall-cmd --add-port=\"53/udp\" --add-port=\"53/tcp\" --add-port=\"67/udp\" --add-port=\"69/udp\" --add-port=\"80/tcp\" --add-port=\"443/tcp\" --add-port=\"5647/tcp\" --add-port=\"800... | https://docs.redhat.com/en/documentation/red_hat_satellite/6.11/html/installing_satellite_server_in_a_disconnected_network_environment/Preparing_your_Environment_for_Installation_satellite |
Chapter 20. KubeStorageVersionMigrator [operator.openshift.io/v1] | Chapter 20. KubeStorageVersionMigrator [operator.openshift.io/v1] Description KubeStorageVersionMigrator provides information to configure an operator to manage kube-storage-version-migrator. Compatibility level 1: Stable within a major release for a minimum of 12 months or 3 minor releases (whichever is longer). Type ... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html/operator_apis/kubestorageversionmigrator-operator-openshift-io-v1 |
Deploying OpenShift Data Foundation in external mode | Deploying OpenShift Data Foundation in external mode Red Hat OpenShift Data Foundation 4.9 Instructions for deploying OpenShift Data Foundation to use an external Red Hat Ceph Storage cluster or IBM FlashSystem. Red Hat Storage Documentation Team Abstract Read this document for instructions about how to install Red Hat... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.9/html/deploying_openshift_data_foundation_in_external_mode/index |
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