title stringlengths 4 168 | content stringlengths 7 1.74M | commands listlengths 1 5.62k ⌀ | url stringlengths 79 342 |
|---|---|---|---|
Chapter 3. Caching and queueing system | Chapter 3. Caching and queueing system In Ansible Automation Platform 2.5, Redis (REmote DIctionary Server) is used as the caching and queueing system. Redis is an open source, in-memory, NoSQL key/value store that is used primarily as an application cache, quick-response database and lightweight message broker. Centra... | null | https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/planning_your_installation/ha-redis_planning |
Chapter 28. ImageCVEService | Chapter 28. ImageCVEService 28.1. SuppressCVEs PATCH /v1/imagecves/suppress SuppressCVE suppresses image cves. 28.1.1. Description 28.1.2. Parameters 28.1.2.1. Body Parameter Name Description Required Default Pattern body V1SuppressCVERequest X 28.1.3. Return Type Object 28.1.4. Content Type application/json 28.1.5. Re... | [
"Foo foo = ...; Any any; any.PackFrom(foo); if (any.UnpackTo(&foo)) { }",
"Foo foo = ...; Any any = Any.pack(foo); if (any.is(Foo.class)) { foo = any.unpack(Foo.class); } // or if (any.isSameTypeAs(Foo.getDefaultInstance())) { foo = any.unpack(Foo.getDefaultInstance()); }",
"Example 3: Pack and unpack a message... | https://docs.redhat.com/en/documentation/red_hat_advanced_cluster_security_for_kubernetes/4.5/html/api_reference/imagecveservice |
Observability overview | Observability overview OpenShift Container Platform 4.15 Contains information about CI/CD for OpenShift Container Platform Red Hat OpenShift Documentation Team | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html-single/observability_overview/index |
Chapter 16. Cephadm health checks | Chapter 16. Cephadm health checks As a storage administrator, you can monitor the Red Hat Ceph Storage cluster with the additional health checks provided by the Cephadm module. This is supplementary to the default healthchecks provided by the storage cluster. 16.1. Cephadm operations health checks Healthchecks are exec... | [
"ceph config set mgr mgr/cephadm/config_checks_enabled true",
"ALL cephadm checks are disabled, use 'ceph config set mgr mgr/cephadm/config_checks_enabled true' to enable",
"CEPHADM 8/8 checks enabled and executed (0 bypassed, 0 disabled). No issues detected",
"ceph cephadm config-check status",
"ceph cepha... | https://docs.redhat.com/en/documentation/red_hat_ceph_storage/8/html/administration_guide/cephadm-health-checks |
Chapter 11. Troubleshooting | Chapter 11. Troubleshooting This section describes resources for troubleshooting the Migration Toolkit for Containers (MTC). 11.1. MTC workflow You can migrate Kubernetes resources, persistent volume data, and internal container images to OpenShift Container Platform 4.7 by using the Migration Toolkit for Containers (M... | [
"apiVersion: migration.openshift.io/v1alpha1 kind: DirectImageMigration metadata: labels: controller-tools.k8s.io: \"1.0\" name: <direct_image_migration> spec: srcMigClusterRef: name: <source_cluster> namespace: openshift-migration destMigClusterRef: name: <destination_cluster> namespace: openshift-migration namesp... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.7/html/migration_toolkit_for_containers/troubleshooting-mtc |
Chapter 13. Object storage | Chapter 13. Object storage The Object Storage (swift) service stores and retrieves data over HTTP. Objects (blobs of data) are stored in an organizational hierarchy that can be configured to offer anonymous read-only access, ACL defined access, or even temporary access. Swift supports multiple token-based authenticatio... | [
"chown -R root:swift /var/lib/config-data/puppet-generated/swift/etc/swift/* find /var/lib/config-data/puppet-generated/swift/etc/swift/ -type f -exec chmod 640 {} \\; find /var/lib/config-data/puppet-generated/swift/etc/swift/ -type d -exec chmod 750 {} \\;"
] | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/16.2/html/security_and_hardening_guide/object_storage |
function::ansi_cursor_restore | function::ansi_cursor_restore Name function::ansi_cursor_restore - Restores a previously saved cursor position. Synopsis Arguments None Description Sends ansi code for restoring the current cursor position previously saved with ansi_cursor_save . | [
"ansi_cursor_restore()"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/systemtap_tapset_reference/api-ansi-cursor-restore |
Chapter 3. Managing SCAP security policies in the Insights for RHEL compliance service | Chapter 3. Managing SCAP security policies in the Insights for RHEL compliance service Create and manage your SCAP security policies entirely within the compliance service UI. Define new policies and select the rules and systems you want to associate with them, and edit existing policies as your requirements change. Im... | [
"insights-client --compliance-policies",
"insights-client --compliance-assign <ID>.",
"insights-client --compliance-unassign <ID>"
] | https://docs.redhat.com/en/documentation/red_hat_insights/1-latest/html/assessing_and_monitoring_security_policy_compliance_of_rhel_systems_with_fedramp/compliance-managing-policies_intro-compliance |
probe::scsi.ioentry | probe::scsi.ioentry Name probe::scsi.ioentry - Prepares a SCSI mid-layer request Synopsis Values disk_major The major number of the disk (-1 if no information) device_state_str The current state of the device, as a string device_state The current state of the device req_addr The current struct request pointer, as a num... | [
"scsi.ioentry"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/systemtap_tapset_reference/api-scsi-ioentry |
Chapter 3. Red Hat build of Keycloak Realm Import | Chapter 3. Red Hat build of Keycloak Realm Import 3.1. Importing a Red Hat build of Keycloak Realm Using the Red Hat build of Keycloak Operator, you can perform a realm import for the Keycloak Deployment. Note If a Realm with the same name already exists in Red Hat build of Keycloak, it will not be overwritten. The Rea... | [
"apiVersion: k8s.keycloak.org/v2alpha1 kind: KeycloakRealmImport metadata: name: my-realm-kc spec: keycloakCRName: <name of the keycloak CR> realm:",
"apiVersion: k8s.keycloak.org/v2alpha1 kind: KeycloakRealmImport metadata: name: my-realm-kc spec: keycloakCRName: <name of the keycloak CR> realm: id: example-real... | https://docs.redhat.com/en/documentation/red_hat_build_of_keycloak/24.0/html/operator_guide/realm-import- |
Appendix A. Using your Red Hat subscription | Appendix A. Using your Red Hat subscription Red Hat Connectivity Link is provided through a software subscription. To manage your subscriptions, access your account at the Red Hat Customer Portal. Managing your subscriptions Go to access.redhat.com . If you do not already have an account, create one. Log in to your acc... | null | https://docs.redhat.com/en/documentation/red_hat_connectivity_link/1.0/html/connectivity_link_observability_guide/using_your_subscription |
4.5. Setting User Permissions | 4.5. Setting User Permissions You can grant permission for specific users other than user hacluster to manage the cluster. There are two sets of permissions that you can grant to individual users: Permissions that allow individual users to manage the cluster through the Web UI and to run pcs commands that connect to no... | [
"adduser rouser usermod -a -G haclient rouser",
"pcs property set enable-acl=true --force",
"pcs acl role create read-only description=\"Read access to cluster\" read xpath /cib",
"pcs acl user create rouser read-only",
"pcs acl User: rouser Roles: read-only Role: read-only Description: Read access to clust... | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/high_availability_add-on_reference/s1-accesscontrol-HAAR |
Chapter 26. Data objects | Chapter 26. Data objects Data objects are the building blocks for the rule assets that you create. Data objects are custom data types implemented as Java objects in specified packages of your project. For example, you might create a Person object with data fields Name , Address , and DateOfBirth to specify personal det... | null | https://docs.redhat.com/en/documentation/red_hat_decision_manager/7.13/html/developing_decision_services_in_red_hat_decision_manager/data-objects-con_guided-decision-tables |
2.6.4.3.3. Binding and Redirection Options | 2.6.4.3.3. Binding and Redirection Options The service configuration files for xinetd support binding the service to an IP address and redirecting incoming requests for that service to another IP address, hostname, or port. Binding is controlled with the bind option in the service-specific configuration files and links... | [
"service telnet { socket_type = stream wait = no server = /usr/kerberos/sbin/telnetd log_on_success += DURATION USERID log_on_failure += USERID bind = 123.123.123.123 redirect = 10.0.1.13 23 }"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/security_guide/sect-security_guide-altering_xinetd_configuration_files-binding_and_redirection_options |
Chapter 2. Differences from upstream OpenJDK 17 | Chapter 2. Differences from upstream OpenJDK 17 Red Hat build of OpenJDK in Red Hat Enterprise Linux contains a number of structural changes from the upstream distribution of OpenJDK. The Microsoft Windows version of Red Hat build of OpenJDK attempts to follow Red Hat Enterprise Linux updates as closely as possible. Th... | null | https://docs.redhat.com/en/documentation/red_hat_build_of_openjdk/17/html/release_notes_for_red_hat_build_of_openjdk_17.0.4/rn-openjdk-diff-from-upstream |
Chapter 278. Options | Chapter 278. Options The REST OpenApi component supports 10 options, which are listed below. Name Description Default Type basePath (producer) API basePath, for example /v2. Default is unset, if set overrides the value present in OpenApi specification. String componentName (producer) Name of the Camel component that wi... | [
"rest-openapi:specificationUri#operationId"
] | https://docs.redhat.com/en/documentation/red_hat_fuse/7.13/html/apache_camel_component_reference/options_131 |
Chapter 2. Installation checklist | Chapter 2. Installation checklist Before you begin installing Red Hat Update Infrastructure (RHUI), refer to the following checklist to ensure that you have all the necessary components and information required for installation. Table 2.1. List of components required for installing RHUI Required Information Information... | null | https://docs.redhat.com/en/documentation/red_hat_update_infrastructure/4/html/installing_red_hat_update_infrastructure/ref_installation-checklist_installing-red-hat-update-infrastructure |
29.5. Additional Resources | 29.5. Additional Resources For an overview of the Kerberos KDC hosted by Identity Management servers, see Section 1.2.1.1, "Services Hosted by IdM Servers" . For Red Hat documentation on Kerberos, see Using Kerberos in the System-Level Authentication Guide . For more information on Kerberos concepts, see the MIT Kerber... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/linux_domain_identity_authentication_and_policy_guide/kerberos-related-info |
Chapter 1. Red Hat build of Keycloak API Documentation | Chapter 1. Red Hat build of Keycloak API Documentation 1.1. JavaDocs Documentation JavaDocs Documentation 1.2. Admin REST API Documentation Administration REST API | null | https://docs.redhat.com/en/documentation/red_hat_build_of_keycloak/22.0/html/api_documentation/red_hat_build_of_keycloak_api_documentation |
Chapter 7. Scaling hyperconverged nodes | Chapter 7. Scaling hyperconverged nodes To scale HCI nodes up or down, the same principles and methods for scaling Compute nodes or Red Hat Ceph Storage nodes apply. 7.1. Scaling up hyperconverged nodes in HCI environments To scale up hyperconverged nodes in HCI environments follow the same procedure for scaling up non... | null | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/deploying_a_hyperconverged_infrastructure/assembly_scaling-hci-nodes |
4.4.5. Static Configuration without Resource Labeling | 4.4.5. Static Configuration without Resource Labeling Primarily used in MLS (multi-level security) or otherwise strictly controlled environments, static configuration without resource relabeling is possible. Static labels allow the administrator to select a specific label, including the MCS/MLS field, for a virtual mac... | [
"<seclabel type='static' model='selinux' relabel='no'> <label>system_u:system_r:svirt_custom_t:s0:c87,c520</label> </seclabel>"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/virtualization_security_guide/sect-virtualization_security_guide-svirt-labels-static_configuration_without_dynamic_resource_labeling |
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_jboss_enterprise_application_platform/7.4/html/performance_tuning_guide/making-open-source-more-inclusive |
Chapter 17. Project Signing and Verification | Chapter 17. Project Signing and Verification Project signing and verification lets you sign files in your project directory, then verify whether or not that content has changed in any way, or files have been added or removed from the project unexpectedly. To do this, you require a private key for signing and a matching... | [
"ansible-sign project gpg-sign /path/to/project",
"ansible-automation-platform-2.4-for-rhel-8-x86_64-rpms for RHEL 8 ansible-automation-platform-2.4-for-rhel-9-x86_64-rpms for RHEL 9",
"gpg --list-secret-keys",
"gpg --list-keys gpg --export --armour <key fingerprint> > my_public_key.asc",
"dnf install ansib... | https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.4/html/automation_controller_user_guide/assembly-controller-project-signing |
Chapter 1. General information | Chapter 1. General information This chapter contains general information about Red Hat Directory Server 11, independent of the minor version. 1.1. Directory Server support policy and life cycle For details, see the Red Hat Directory Server Errata Support Policy document. 1.2. System Requirements 1.2.1. General hardware... | null | https://docs.redhat.com/en/documentation/red_hat_directory_server/11/html/release_notes/general_information |
Chapter 2. Requirements for container images | Chapter 2. Requirements for container images Certified container images must comply with the following requirements to ensure that: The operating system libraries are covered as part of the end-user Red Hat OpenShift support subscription. The image is scanned to avoid introducing known security vulnerabilities in custo... | null | https://docs.redhat.com/en/documentation/red_hat_software_certification/2025/html/red_hat_openshift_software_certification_policy_guide/assembly-requirements-for-container-images_openshift-sw-cert-policy-introduction |
Chapter 9. Installation configuration parameters for IBM Power Virtual Server | Chapter 9. Installation configuration parameters for IBM Power Virtual Server Before you deploy an OpenShift Container Platform on IBM Power(R) Virtual Server, you provide parameters to customize your cluster and the platform that hosts it. When you create the install-config.yaml file, you provide values for the requir... | [
"apiVersion:",
"baseDomain:",
"metadata:",
"metadata: name:",
"platform:",
"pullSecret:",
"{ \"auths\":{ \"cloud.openshift.com\":{ \"auth\":\"b3Blb=\", \"email\":\"you@example.com\" }, \"quay.io\":{ \"auth\":\"b3Blb=\", \"email\":\"you@example.com\" } } }",
"platform: powervs: userID:",
"platform: p... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/installing_on_ibm_power_virtual_server/installation-config-parameters-ibm-power-vs |
7.17. RHEA-2014:1523 - new packages: numatop | 7.17. RHEA-2014:1523 - new packages: numatop New numatop packages are now available for Red Hat Enterprise Linux 6. NumaTOP is an observation tool for runtime memory locality characterization and analysis of processes and threads running on a Non-Uniform Memory Access (NUMA) system. NumaTOP can help the user characteri... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.6_technical_notes/rhea-2014-1523 |
Chapter 31. Networking | Chapter 31. Networking libcurl successfully communicates with servers requiring HTTP host name to match the TLS session host name Previously, in some cases, Network Security Services (NSS) incorrectly reused a TLS session for a server with a different host name. Consequently, HTTPS servers could respond with an HTTP er... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/7.3_release_notes/bug_fixes_networking |
Appendix C. Ceph Monitor configuration options | Appendix C. Ceph Monitor configuration options The following are Ceph monitor configuration options that can be set up during deployment. mon_initial_members Description The IDs of initial monitors in a cluster during startup. If specified, Ceph requires an odd number of monitors to form an initial quorum (for example,... | null | https://docs.redhat.com/en/documentation/red_hat_ceph_storage/4/html/configuration_guide/ceph-monitor-configuration-options_conf |
Chapter 10. Installation and Booting | Chapter 10. Installation and Booting Using an HTTPS source for kickstart files is now supported With this update, it is now possible to specify HTTPS sources for kickstart files. (BZ# 1259880 ) Increased debug logging for NetworkManager The default log level of the NetworkManager utility has been increased to make debu... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.8_release_notes/new_features_installation_and_booting |
Chapter 44. JAXB | Chapter 44. JAXB Since Camel 1.0 JAXB is a Data Format which uses the JAXB XML marshalling standard to unmarshal an XML payload into Java objects or to marshal Java objects into an XML payload. 44.1. Dependencies When using jaxb with Red Hat build of Camel Spring Boot make sure to use the following Maven dependency to ... | [
"<dependency> <groupId>org.apache.camel.springboot</groupId> <artifactId>camel-jaxb-starter</artifactId> </dependency>",
"DataFormat jaxb = new JaxbDataFormat(\"com.acme.model\"); from(\"activemq:My.Queue\"). unmarshal(jaxb). to(\"mqseries:Another.Queue\");",
"from(\"activemq:My.Queue\"). unmarshal(\"myJaxbData... | 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-jaxb-dataformat-component-starter |
Chapter 9. Using Bring-Your-Own-Host (BYOH) Windows instances as nodes | Chapter 9. Using Bring-Your-Own-Host (BYOH) Windows instances as nodes Bring-Your-Own-Host (BYOH) allows for users to repurpose Windows Server VMs and bring them to OpenShift Container Platform. BYOH Windows instances benefit users looking to mitigate major disruptions in the event that a Windows server goes offline. 9... | [
"kind: ConfigMap apiVersion: v1 metadata: name: windows-instances namespace: openshift-windows-machine-config-operator data: 10.1.42.1: |- 1 username=Administrator 2 instance.example.com: |- username=core",
"kind: ConfigMap apiVersion: v1 metadata: name: windows-instances namespace: openshift-windows-machine-conf... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/windows_container_support_for_openshift/byoh-windows-instance |
Chapter 12. Adding custom SSL/TLS certificates when Red Hat Quay is deployed on Kubernetes | Chapter 12. Adding custom SSL/TLS certificates when Red Hat Quay is deployed on Kubernetes When deployed on Kubernetes, Red Hat Quay mounts in a secret as a volume to store config assets. Currently, this breaks the upload certificate function of the superuser panel. As a temporary workaround, base64 encoded certificate... | [
"cat ca.crt | base64 -w 0",
"...c1psWGpqeGlPQmNEWkJPMjJ5d0pDemVnR2QNCnRsbW9JdEF4YnFSdVd3PT0KLS0tLS1FTkQgQ0VSVElGSUNBVEUtLS0tLQo=",
"kubectl --namespace quay-enterprise edit secret/quay-enterprise-config-secret",
"custom-cert.crt: c1psWGpqeGlPQmNEWkJPMjJ5d0pDemVnR2QNCnRsbW9JdEF4YnFSdVd3PT0KLS0tLS1FTkQgQ0VSVElG... | https://docs.redhat.com/en/documentation/red_hat_quay/3.10/html/red_hat_quay_operator_features/config-custom-ssl-cert-kubernetes |
2.4. Limiting Access To the Piranha Configuration Tool | 2.4. Limiting Access To the Piranha Configuration Tool The Piranha Configuration Tool prompts for a valid username and password combination. However, because all of the data passed to the Piranha Configuration Tool is in plain text, it is recommended that you restrict access only to trusted networks or to the local mac... | [
"Order deny,allow Allow from all",
"Order deny,allow Deny from all Allow from 127.0.0.1",
"Order deny,allow Deny from all Allow from 192.168.1.100 Allow from 172.16.57"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/4/html/virtual_server_administration/s1-lvs-piranha-access-vsa |
Chapter 2. Installer-provisioned infrastructure | Chapter 2. Installer-provisioned infrastructure 2.1. vSphere installation requirements Before you begin an installation using installer-provisioned infrastructure, be sure that your vSphere environment meets the following installation requirements. 2.1.1. VMware vSphere infrastructure requirements You must install an O... | [
"platform: vsphere: hosts: - role: bootstrap 1 networkDevice: ipAddrs: - 192.168.204.10/24 2 gateway: 192.168.204.1 3 nameservers: 4 - 192.168.204.1 - role: control-plane networkDevice: ipAddrs: - 192.168.204.11/24 gateway: 192.168.204.1 nameservers: - 192.168.204.1 - role: control-plane networkDevice: ipAddrs: - 1... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/installing_on_vmware_vsphere/installer-provisioned-infrastructure |
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/4.14/html/migration_toolkit_for_containers/premigration-checklists-mtc |
5.4.16.9. Replacing a RAID device | 5.4.16.9. Replacing a RAID device RAID is not like traditional LVM mirroring. LVM mirroring required failed devices to be removed or the mirrored logical volume would hang. RAID arrays can keep on running with failed devices. In fact, for RAID types other than RAID1, removing a device would mean converting to a lower l... | [
"lvconvert --replace dev_to_remove vg/lv [ possible_replacements ]",
"lvcreate --type raid1 -m2 -L 1G -n my_lv my_vg Logical volume \"my_lv\" created lvs -a -o name,copy_percent,devices my_vg LV Copy% Devices my_lv 100.00 my_lv_rimage_0(0),my_lv_rimage_1(0),my_lv_rimage_2(0) [my_lv_rimage_0] /dev/sdb1(1) [my_lv_r... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/logical_volume_manager_administration/raid-replace |
Chapter 1. Preface | Chapter 1. Preface Using automation execution environments to automate content within the Red Hat Ansible Automation Platform You can use Execution Environments as reproducible, portable, consistent and shareable container images. They control all of the dependencies of an Ansible Automation Platform job's runtime envi... | null | https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.3/html/red_hat_ansible_automation_platform_creator_guide/preface |
Chapter 1. Public key certificates in Identity Management | Chapter 1. Public key certificates in Identity Management X.509 public key certificates are used to authenticate users, hosts and services in Identity Management (IdM). In addition to authentication, X.509 certificates also enable digital signing and encryption to provide privacy, integrity and non-repudiation. A certi... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/managing_certificates_in_idm/cert-intro_working-with-idm-certificates |
Chapter 10. Configuring distributed caches | Chapter 10. Configuring distributed caches Red Hat build of Keycloak is designed for high availability and multi-node clustered setups. The current distributed cache implementation is built on top of Infinispan , a high-performance, distributable in-memory data grid. 10.1. Enable distributed caching When you start Red ... | [
"bin/kc.[sh|bat] start --cache=ispn",
"<distributed-cache name=\"sessions\" owners=\"2\"> <expiration lifespan=\"-1\"/> </distributed-cache>",
"bin/kc.sh start --features-disabled=persistent-user-sessions",
"bin/kc.[sh|bat] start --cache-config-file=my-cache-file.xml",
"bin/kc.[sh|bat] start --cache-stack=<... | https://docs.redhat.com/en/documentation/red_hat_build_of_keycloak/26.0/html/server_configuration_guide/caching- |
Chapter 8. Ceph performance counters | Chapter 8. Ceph performance counters As a storage administrator, you can gather performance metrics of the Red Hat Ceph Storage cluster. The Ceph performance counters are a collection of internal infrastructure metrics. The collection, aggregation, and graphing of this metric data can be done by an assortment of tools ... | [
"ceph daemon DAEMON_NAME perf schema",
"ceph daemon mon.`hostname -s` perf schema",
"{ \"cluster\": { \"num_mon\": { \"type\": 2 }, \"num_mon_quorum\": { \"type\": 2 }, \"num_osd\": { \"type\": 2 }, \"num_osd_up\": { \"type\": 2 }, \"num_osd_in\": { \"type\": 2 },",
"ceph daemon osd.0 perf schema",
"\"files... | https://docs.redhat.com/en/documentation/red_hat_ceph_storage/4/html/administration_guide/ceph-performance-counters |
Chapter 1. Red Hat Advanced Cluster Security for Kubernetes architecture | Chapter 1. Red Hat Advanced Cluster Security for Kubernetes architecture Discover Red Hat Advanced Cluster Security for Kubernetes architecture and concepts. 1.1. Red Hat Advanced Cluster Security for Kubernetes architecture overview Red Hat Advanced Cluster Security for Kubernetes (RHACS) uses a distributed architectu... | null | https://docs.redhat.com/en/documentation/red_hat_advanced_cluster_security_for_kubernetes/4.7/html/architecture/acs-architecture |
2.2. Creating a Cluster with the pcsd Web UI | 2.2. Creating a Cluster with the pcsd Web UI From the Manage Clusters page, you can create a new cluster, add an existing cluster to the Web UI, or remove a cluster from the Web UI. To create a cluster, click on Create New and enter the name of the cluster to create and the nodes that constitute the cluster. You can al... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/high_availability_add-on_reference/s1-guiclustcreate-haar |
Chapter 1. Support policy for Red Hat build of OpenJDK | Chapter 1. Support policy for Red Hat build of OpenJDK Red Hat will support select major versions of Red Hat build of OpenJDK in its products. For consistency, these versions remain similar to Oracle JDK versions that are designated as long-term support (LTS). A major version of Red Hat build of OpenJDK will be support... | null | https://docs.redhat.com/en/documentation/red_hat_build_of_openjdk/21/html/release_notes_for_red_hat_build_of_openjdk_21.0.1/rn-openjdk-support-policy |
Chapter 1. About networking | Chapter 1. About networking Red Hat OpenShift Networking is an ecosystem of features, plugins and advanced networking capabilities that extend Kubernetes networking with the advanced networking-related features that your cluster needs to manage its network traffic for one or multiple hybrid clusters. This ecosystem of ... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html/networking/about-networking |
3.4.2. Attaching New Users to Groups | 3.4.2. Attaching New Users to Groups The useradd command creates a User Private Group ( UPG , a group assigned to a user account to which that user exclusively belongs) whenever a new user is added to the system and names the group after the user. For example, when the account robert is created, an UPG named robert is ... | [
"useradd -N username",
"~]# useradd -g \"friends\" -G \"family,schoolmates\" emily",
"usermod -G group_1,group_2,group_3"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/deployment_guide/cl-attaching-users-to-groups |
Chapter 11. Provisioning Virtual Machines in VMware vSphere | Chapter 11. Provisioning Virtual Machines in VMware vSphere VMware vSphere is an enterprise-level virtualization platform from VMware. Red Hat Satellite can interact with the vSphere platform, including creating new virtual machines and controlling their power management states. 11.1. Installing VMware Plugin Install t... | [
"satellite-installer --enable-foreman-compute-vmware",
"virsh edit your_VM_name <graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0' passwd=' your_randomly_generated_password '>",
"hammer compute-resource create --datacenter \" My_Datacenter \" --description \"vSphere server at vsphere.example.com \" ... | https://docs.redhat.com/en/documentation/red_hat_satellite/6.11/html/provisioning_hosts/Provisioning_Virtual_Machines_in_VMware_provisioning |
Chapter 17. Monitoring the replication topology using the command line | Chapter 17. Monitoring the replication topology using the command line To monitor the state of the directory data replication between suppliers, consumers, and hubs, you can use replication topology report that provides information on the replication progress, replica IDs, number of changes, and other parameters. To ge... | [
"dsconf -D \" cn=Directory Manager \" ldap://supplier.example.com replication monitor",
"Enter password for cn=Directory Manager on ldap://supplier.example.com: password Enter a bind DN for consumer.example.com:389: cn=Directory Manager Enter a password for cn=Directory Manager on consumer.example.com:389: passwo... | https://docs.redhat.com/en/documentation/red_hat_directory_server/12/html/configuring_and_managing_replication/assembly_monitoring-the-replication-topology-using-the-command-line_configuring-and-managing-replication |
Chapter 3. Upgrading with external Ceph deployments | Chapter 3. Upgrading with external Ceph deployments If your Red Hat OpenStack Platform (RHOSP) deployment uses an externally deployed Red Hat Ceph Storage cluster, you might need to upgrade your Red Hat Ceph Storage cluster before continuing with your RHOSP upgrade. If your Red Hat Ceph Storage cluster is currently on ... | [
"source ~/stackrc",
"openstack overcloud deploy -e environments/ceph-ansible/ceph-ansible-external.yaml",
"openstack overcloud deploy -e environments/external-ceph.yaml",
"parameter_defaults: CephClusterFSID: <fsid> CephClientKey: <key> CephExternalMonHost: <mon ip addresses> CephSpecFqdn: <true/false> CephCo... | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/framework_for_upgrades_16.2_to_17.1/upgrading-with-external-ceph-deployments_external-ceph-deployments |
5.6. Pinning a Virtual Machine to Multiple Hosts | 5.6. Pinning a Virtual Machine to Multiple Hosts Virtual machines can be pinned to multiple hosts. Multi-host pinning allows a virtual machine to run on a specific subset of hosts within a cluster, instead of one specific host or all hosts in the cluster. The virtual machine cannot run on any other hosts in the cluster... | null | https://docs.redhat.com/en/documentation/red_hat_virtualization/4.3/html/virtual_machine_management_guide/pinning_a_virtual_machine_to_multiple_hosts |
Chapter 9. Managing VMs | Chapter 9. Managing VMs 9.1. Installing the QEMU guest agent and VirtIO drivers The QEMU guest agent is a daemon that runs on the virtual machine (VM) and passes information to the host about the VM, users, file systems, and secondary networks. You must install the QEMU guest agent on VMs created from operating system ... | [
"yum install -y qemu-guest-agent",
"systemctl enable --now qemu-guest-agent",
"oc get vm <vm_name>",
"net start",
"spec: domain: devices: disks: - name: virtiocontainerdisk bootOrder: 2 1 cdrom: bus: sata volumes: - containerDisk: image: container-native-virtualization/virtio-win name: virtiocontainerdisk",... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/virtualization/managing-vms |
Chapter 2. Understanding disconnected installation mirroring | Chapter 2. Understanding disconnected installation mirroring You can use a mirror registry for disconnected installations and to ensure that your clusters only use container images that satisfy your organization's controls on external content. Before you install a cluster on infrastructure that you provision in a disco... | [
"oc adm release mirror",
"To use the new mirrored repository to install, add the following section to the install-config.yaml: imageContentSources: mirrors: virthost.ostest.test.metalkube.org:5000/localimages/local-release-image source: quay.io/openshift-release-dev/ocp-v4.0-art-dev mirrors: virthost.ostest.test.... | https://docs.redhat.com/en/documentation/openshift_container_platform_installation/4.14/html/installing_an_on-premise_cluster_with_the_agent-based_installer/understanding-disconnected-installation-mirroring |
Chapter 17. Network-Bound Disk Encryption (NBDE) | Chapter 17. Network-Bound Disk Encryption (NBDE) 17.1. About disk encryption technology Network-Bound Disk Encryption (NBDE) allows you to encrypt root volumes of hard drives on physical and virtual machines without having to manually enter a password when restarting machines. 17.1.1. Disk encryption technology compari... | [
"echo plaintext | clevis encrypt tang '{\"url\":\"http://localhost:7500\"}' -y >/tmp/encrypted.oldkey",
"clevis decrypt </tmp/encrypted.oldkey",
"tang-show-keys 7500",
"36AHjNH3NZDSnlONLz1-V4ie6t8",
"cd /var/db/tang/",
"ls -A1",
"36AHjNH3NZDSnlONLz1-V4ie6t8.jwk gJZiNPMLRBnyo_ZKfK4_5SrnHYo.jwk",
"for k... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.13/html/security_and_compliance/network-bound-disk-encryption-nbde |
Chapter 4. Kernel features | Chapter 4. Kernel features This chapter explains the purpose and use of kernel features that enable many user space tools and includes resources for further investigation of those tools. 4.1. Control groups 4.1.1. What is a control group? Note Control Group Namespaces are a Technology Preview in Red Hat Enterprise Linu... | [
"ksc -k e1000e.ko Checking against architecture x86_64 Total symbol usage: 165 Total Non white list symbol usage: 74 ksc -k /path/to/module",
"Invalid architecture, (Only kernel object files are supported)",
"grep pku /proc/cpuinfo",
"Feb 5 15:41:33 hostname kernel: pcieport 10003:00:00.0: AER: Corrected erro... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/kernel_administration_guide/kernel_features |
Chapter 13. Review feedback | Chapter 13. Review feedback After you submit your results, the Red Hat certification team will analyze the content and award the credit for each passing test that is part of the test plan. As they verify each passing test, the team sets each test plan item to Confirmed , which you can see under the Results tab on the c... | null | https://docs.redhat.com/en/documentation/red_hat_hardware_certification/2025/html/red_hat_bare_metal_hardware_certification_workflow_guide/con-review-feedback_rhosp-bm-overview-openshift-test-environment |
Chapter 1. Enabling TLS-encrypted connections to Directory Server | Chapter 1. Enabling TLS-encrypted connections to Directory Server By default, Red Hat Directory Server provides the LDAP service without encryption. To improve the security, you can configure TLS in Directory Server to enable your clients or other hosts in a replication environment to use encrypted connections. They ca... | [
"dsctl instance_name start Enter PIN for Internal (Software) Token: (press TAB for no echo)",
"Broadcast message from root@server (Fri 2021-01-01 06:00:00 CET): Password entry required for 'Enter PIN for Internal (Software) Token:' (PID 1234). Please enter password with the systemd-tty-ask-password-agent tool!",
... | https://docs.redhat.com/en/documentation/red_hat_directory_server/12/html/securing_red_hat_directory_server/assembly_enabling-tls-encrypted-connections-to-directory-server_securing-rhds |
Chapter 1. About the Migration Toolkit for Virtualization | Chapter 1. About the Migration Toolkit for Virtualization You can use the Migration Toolkit for Virtualization (MTV) to migrate virtual machines from the following source providers to OpenShift Virtualization destination providers: VMware vSphere Red Hat Virtualization (RHV) OpenStack Open Virtual Appliances (OVAs) tha... | null | https://docs.redhat.com/en/documentation/migration_toolkit_for_virtualization/2.7/html/installing_and_using_the_migration_toolkit_for_virtualization/about-mtv_mtv |
Installing on vSphere | Installing on vSphere OpenShift Container Platform 4.12 Installing OpenShift Container Platform on vSphere Red Hat OpenShift Documentation Team | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html/installing_on_vsphere/index |
Chapter 6. Operator [operators.coreos.com/v1] | Chapter 6. Operator [operators.coreos.com/v1] Description Operator represents a cluster operator. Type object 6.1. Specification Property Type Description apiVersion string APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/operatorhub_apis/operator-operators-coreos-com-v1 |
Chapter 13. Support | Chapter 13. Support 13.1. Support overview You can request assistance from Red Hat Support, report bugs, collect data about your environment, and monitor the health of your cluster and virtual machines (VMs) with the following tools. 13.1.1. Opening support tickets If you have encountered an issue that requires immedia... | [
"oc adm must-gather --image=registry.redhat.io/container-native-virtualization/cnv-must-gather-rhel9:v4.17.5 -- /usr/bin/gather",
"oc adm must-gather --all-images",
"oc adm must-gather --image=registry.redhat.io/container-native-virtualization/cnv-must-gather-rhel9:v4.17.5 -- <environment_variable_1> <environme... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.17/html/virtualization/support |
Deploying OpenShift Data Foundation in external mode | Deploying OpenShift Data Foundation in external mode Red Hat OpenShift Data Foundation 4.15 Instructions for deploying OpenShift Data Foundation to use an external Red Hat Ceph Storage cluster and IBM FlashSystem. Red Hat Storage Documentation Team Abstract Read this document for instructions on installing Red Hat Open... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.15/html/deploying_openshift_data_foundation_in_external_mode/index |
13.2. Managing Disk Quotas | 13.2. Managing Disk Quotas If quotas are implemented, they need some maintenance - mostly in the form of watching to see if the quotas are exceeded and making sure the quotas are accurate. Of course, if users repeatedly exceeds their quotas or consistently reaches their soft limits, a system administrator has a few cho... | [
"quotaoff -vaug",
"quotaon -vaug",
"quotaon -vug /home"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/4/html/system_administration_guide/Implementing_Disk_Quotas-Managing_Disk_Quotas |
10.5. Quorum Devices | 10.5. Quorum Devices Red Hat Enterprise Linux 7.4 provides full support for the ability to configure a separate quorum device which acts as a third-party arbitration device for the cluster. Its primary use is to allow a cluster to sustain more node failures than standard quorum rules allow. A quorum device is recommend... | [
"yum install corosync-qdevice yum install corosync-qdevice",
"yum install pcs corosync-qnetd",
"systemctl start pcsd.service systemctl enable pcsd.service",
"pcs qdevice setup model net --enable --start Quorum device 'net' initialized quorum device enabled Starting quorum device quorum device started",
"pcs... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/high_availability_add-on_reference/s1-quorumdev-haar |
Chapter 16. Additional resources | Chapter 16. Additional resources Getting started with process services Managing and monitoring business processes in Business Central Interacting with processes and tasks | null | https://docs.redhat.com/en/documentation/red_hat_process_automation_manager/7.13/html/developing_process_services_in_red_hat_process_automation_manager/additional_resources |
Chapter 1. Requirements for a high availability automation hub | Chapter 1. Requirements for a high availability automation hub Before deploying a high availability (HA) automation hub, ensure that you have a shared filesystem installed in your environment and that you have configured your network storage system, if applicable. 1.1. Required shared filesystem A high availability aut... | [
"dnf install firewalld",
"firewall-cmd --permanent --add-service=<service>",
"firewall-cmd --reload"
] | https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.3/html/deploying_a_high_availability_automation_hub/high-availability-requirements |
B.33.3. RHSA-2011:0281 - Important: java-1.6.0-openjdk security and bug fix update | B.33.3. RHSA-2011:0281 - Important: java-1.6.0-openjdk security and bug fix update Updated java-1.6.0-openjdk packages that fix several security issues and one bug are now available for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having important security impact. Common... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.0_technical_notes/rhsa-2011-0281 |
Chapter 2. Working with pods | Chapter 2. Working with pods 2.1. Using pods A pod is one or more containers deployed together on one host, and the smallest compute unit that can be defined, deployed, and managed. 2.1.1. Understanding pods Pods are the rough equivalent of a machine instance (physical or virtual) to a Container. Each pod is allocated ... | [
"kind: Pod apiVersion: v1 metadata: name: example labels: environment: production app: abc 1 spec: restartPolicy: Always 2 securityContext: 3 runAsNonRoot: true seccompProfile: type: RuntimeDefault containers: 4 - name: abc args: - sleep - \"1000000\" volumeMounts: 5 - name: cache-volume mountPath: /cache 6 image: ... | https://docs.redhat.com/en/documentation/red_hat_openshift_service_on_aws/4/html/nodes/working-with-pods |
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. | null | https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.4/html/red_hat_ansible_automation_platform_release_notes/providing-feedback |
14.5.2. Port Forwarding | 14.5.2. Port Forwarding SSH can secure otherwise insecure TCP/IP protocols via port forwarding. When using this technique, the SSH server becomes an encrypted conduit to the SSH client. Port forwarding works by mapping a local port on the client to a remote port on the server. SSH can map any port from the server to an... | [
"ssh -L local-port : remote-hostname : remote-port username @ hostname",
"~]USD ssh -L 1100:mail.example.com:110 mail.example.com",
"~]USD ssh -L 1100:mail.example.com:110 other.example.com"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/deployment_guide/s2-ssh-beyondshell-tcpip |
Chapter 1. Introduction | Chapter 1. Introduction 1.1. Virtualized and Non-Virtualized Environments A virtualized environment presents opportunities for both the discovery of new attack vectors and the refinement of existing exploits that may not previously have presented value to an attacker. It is therefore important to take steps to ensure t... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/virtualization_security_guide/chap-virtualization_security_guide-introduction |
Chapter 11. Configuring outgoing HTTP requests | Chapter 11. Configuring outgoing HTTP requests Red Hat build of Keycloak often needs to make requests to the applications and services that it secures. Red Hat build of Keycloak manages these outgoing connections using an HTTP client. This chapter shows how to configure the client, connection pool, proxy environment se... | [
"bin/kc.[sh|bat] start --spi-connections-http-client-default-<configurationoption>=<value>",
"HTTPS_PROXY=https://www-proxy.acme.com:8080 NO_PROXY=google.com,login.facebook.com",
".*\\.(google|googleapis)\\.com",
"bin/kc.[sh|bat] start --spi-connections-http-client-default-proxy-mappings='.*\\\\.(google|googl... | https://docs.redhat.com/en/documentation/red_hat_build_of_keycloak/26.0/html/server_configuration_guide/outgoinghttp- |
Chapter 6. Network Configuration | Chapter 6. Network Configuration This chapter provides an introduction to the common networking configurations used by libvirt-based guest virtual machines. Red Hat Enterprise Linux 7 supports the following networking setups for virtualization: virtual networks using Network Address Translation ( NAT ) directly allocat... | [
"virsh net-list --all Name State Autostart ----------------------------------------- default active yes",
"ll /etc/libvirt/qemu/ total 12 drwx------. 3 root root 4096 Nov 7 23:02 networks -rw-------. 1 root root 2205 Nov 20 01:20 r6.4.xml -rw-------. 1 root root 2208 Nov 8 03:19 r6.xml",
"virsh net-autostart de... | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/virtualization_deployment_and_administration_guide/chap-network_configuration |
8.247. tuna | 8.247. tuna 8.247.1. RHBA-2014:1404 - tuna bug fix update Updated tuna packages that fix several bugs are now available for Red Hat Enterprise Linux 6. The tuna packages provide an interface for changing both scheduler and IRQ tunables, at whole CPU, per-thread or per-IRQ levels. tuna allows CPUs to be isolated for use... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.6_technical_notes/tuna |
Chapter 14. FlowMetric configuration parameters | Chapter 14. FlowMetric configuration parameters FlowMetric is the API allowing to create custom metrics from the collected flow logs. 14.1. FlowMetric [flows.netobserv.io/v1alpha1] Description FlowMetric is the API allowing to create custom metrics from the collected flow logs. Type object Property Type Description api... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html/network_observability/flowmetric-api |
Chapter 2. Performance Tuning Quickstart | Chapter 2. Performance Tuning Quickstart You can tune your Satellite Server based on expected managed host counts and hardware allocation using built in tuning profiles included in Satellite that are available using the installation routine's tuning flag. For more information, see Tuning Satellite Server with Predefine... | [
"satellite-installer --tuning \" My_Installation_Size \""
] | https://docs.redhat.com/en/documentation/red_hat_satellite/6.11/html/performance_tuning_guide/performance_tuning_quickstart_performance-tuning |
Data Grid documentation | Data Grid documentation Documentation for Data Grid is available on the Red Hat customer portal. Data Grid 8.5 Documentation Data Grid 8.5 Component Details Supported Configurations for Data Grid 8.5 Data Grid 8 Feature Support Data Grid Deprecated Features and Functionality | null | https://docs.redhat.com/en/documentation/red_hat_data_grid/8.5/html/using_the_data_grid_command_line_interface/rhdg-docs_datagrid |
Chapter 11. Fixed issues in Red Hat Decision Manager 7.13.2 | Chapter 11. Fixed issues in Red Hat Decision Manager 7.13.2 Red Hat Decision Manager 7.13.2 provides increased stability and fixed issues listed in this section. 11.1. Business Central You cannot save a DMN model if you use the ()not function [ RHDM-1895 ] You cannot deploy a KJAR to a remote maven repository that requ... | null | https://docs.redhat.com/en/documentation/red_hat_decision_manager/7.13/html/release_notes_for_red_hat_decision_manager_7.13/rn-7.13.2-fixed-issues-ref_release-notes |
Chapter 1. Upgrading from OptaPlanner 8.13 to Red Hat Build of OptaPlanner 8.38 | Chapter 1. Upgrading from OptaPlanner 8.13 to Red Hat Build of OptaPlanner 8.38 To upgrade from OptaPlanner 8.13 to Red Hat Build of OptaPlanner 8.38, merge the versions of OptaPlanner in the following order: From 8.13.0.Final to 8.14.0.Final From 8.19.0.Final to 8.20.0.Final From 8.22.0.Final to 8.23.0.Final From 8.27... | null | https://docs.redhat.com/en/documentation/red_hat_build_of_optaplanner/8.38/html/developing_solvers_with_red_hat_build_of_optaplanner/upgrading-optaplanner-proc_release-notes |
function::stack_unused | function::stack_unused Name function::stack_unused - Returns the amount of kernel stack currently available Synopsis Arguments None Description This function determines how many bytes are currently available in the kernel stack. | [
"stack_unused:long()"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/systemtap_tapset_reference/api-stack-unused |
Preface | Preface 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 sev... | null | https://docs.redhat.com/en/documentation/red_hat_build_of_apache_camel_k/1.10.5/html/getting_started_with_camel_k/pr01 |
Chapter 4. Installing a cluster on GCP with customizations | Chapter 4. Installing a cluster on GCP with customizations In OpenShift Container Platform version 4.16, you can install a customized cluster on infrastructure that the installation program provisions on Google Cloud Platform (GCP). To customize the installation, you modify parameters in the install-config.yaml file be... | [
"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/4.16/html/installing_on_gcp/installing-gcp-customizations |
Chapter 7. Security | Chapter 7. Security 7.1. Securing connections with SSL/TLS AMQ JavaScript uses SSL/TLS to encrypt communication between clients and servers. To connect to a remote server with SSL/TLS, set the transport connection option to tls . Example: Enabling SSL/TLS var opts = { host: "example.com", port: 5671, transport: "tls" }... | [
"var opts = { host: \"example.com\", port: 5671, transport: \"tls\" }; container.connect(opts);",
"var opts = { host: \"example.com\", username: \"alice\" , password: \"secret\" }; container.connect(opts);"
] | https://docs.redhat.com/en/documentation/red_hat_amq/2021.q1/html/using_the_amq_javascript_client/security |
4.3. GFS2 File System Hangs and Requires Reboot of All Nodes | 4.3. GFS2 File System Hangs and Requires Reboot of All Nodes If your GFS2 file system hangs and does not return commands run against it, requiring that you reboot all nodes in the cluster before using it, check for the following issues. You may have had a failed fence. GFS2 file systems will freeze to ensure data integ... | [
"/sbin/reboot",
"pcs resource disable --wait=100 mydata_fs",
"gfs2_edit savemeta /dev/vg_mydata/mydata /root/gfs2metadata.gz",
"sudo yum update gfs2-utils",
"fsck.gfs2 -y /dev/vg_mydata/mydata > /tmp/fsck.out",
"pcs resource enable --wait=100 mydata_fs"
] | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/global_file_system_2/s1-gfs2hand-allnodes |
Part I. Certifying or Validating Standalone Applications | Part I. Certifying or Validating Standalone Applications | null | https://docs.redhat.com/en/documentation/red_hat_software_certification/2025/html/red_hat_software_certification_workflow_guide/con_non-container-certification_openshift-sw-cert-workflow-onboarding-certification-partners |
Chapter 1. About specialized hardware and driver enablement | Chapter 1. About specialized hardware and driver enablement Many applications require specialized hardware or software that depends on kernel modules or drivers. You can use driver containers to load out-of-tree kernel modules on Red Hat Enterprise Linux CoreOS (RHCOS) nodes. To deploy out-of-tree drivers during cluste... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.9/html/specialized_hardware_and_driver_enablement/about-hardware-enablement |
Chapter 9. How to use dedicated worker nodes for Red Hat OpenShift Data Foundation | Chapter 9. How to use dedicated worker nodes for Red Hat OpenShift Data Foundation Any Red Hat OpenShift Container Platform subscription requires an OpenShift Data Foundation subscription. However, you can save on the OpenShift Container Platform subscription costs if you are using infrastructure nodes to schedule Open... | [
"spec: taints: - effect: NoSchedule key: node.ocs.openshift.io/storage value: \"true\" metadata: creationTimestamp: null labels: node-role.kubernetes.io/worker: \"\" node-role.kubernetes.io/infra: \"\" cluster.ocs.openshift.io/openshift-storage: \"\"",
"template: metadata: creationTimestamp: null labels: machine.... | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.13/html/deploying_and_managing_openshift_data_foundation_using_red_hat_openstack_platform/how-to-use-dedicated-worker-nodes-for-openshift-data-foundation_osp |
Chapter 2. Preparing to install with the Assisted Installer | Chapter 2. Preparing to install with the Assisted Installer Before installing a cluster, you must ensure the cluster nodes and network meet the requirements. 2.1. Prerequisites You reviewed details about the OpenShift Container Platform installation and update processes. You read the documentation on selecting a cluste... | null | https://docs.redhat.com/en/documentation/assisted_installer_for_openshift_container_platform/2023/html/assisted_installer_for_openshift_container_platform/preparing-to-install-with-ai |
Chapter 1. Introducing Configuration Management Using Puppet | Chapter 1. Introducing Configuration Management Using Puppet You can use Puppet to manage and automate configurations of hosts. Puppet uses a declarative language to describe the desired state of managed hosts. Puppet increases your productivity as you can administer multiple hosts simultaneously. At the same time, it ... | [
"satellite-installer --enable-foreman-plugin-puppet --enable-foreman-cli-puppet --foreman-proxy-puppet true --foreman-proxy-puppetca true --foreman-proxy-content-puppet true --enable-puppet --puppet-server true --puppet-server-foreman-ssl-ca /etc/pki/katello/puppet/puppet_client_ca.crt --puppet-server-foreman-ssl-c... | https://docs.redhat.com/en/documentation/red_hat_satellite/6.11/html/managing_configurations_using_puppet_integration_in_red_hat_satellite/introducing-configuration-management-using-puppet_managing-configurations-puppet |
Chapter 95. Managing DNS locations in IdM | Chapter 95. Managing DNS locations in IdM To learn more about managing Identity Management (IdM) DNS locations by using the IdM Web UI and IdM command-line interface (CLI), see the following topics and procedures: DNS-based service discovery Deployment considerations for DNS locations DNS time to live (TTL) Creating DN... | [
"dig -t SRV +short _kerberos._tcp.idm.example.com 0 100 88 idmserver-01.idm.example.com. 0 100 88 idmserver-02.idm.example.com.",
"dig -t SRV +short _kerberos._tcp.idm.example.com _kerberos._tcp.germany._locations.idm.example.com. 0 100 88 idmserver-01.idm.example.com. 50 100 88 idmserver-02.idm.example.com.",
... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/configuring_and_managing_identity_management/managing-dns-locations-in-idm_configuring-and-managing-idm |
37.4.3. Documentation | 37.4.3. Documentation Further information can be found in the Red Hat Knowledgebase. To access this, navigate to https://www.redhat.com/wapps/sso/login.html?redirect=https://access.redhat.com/knowledge/ and log in. Then access the article at https://access.redhat.com/kb/docs/DOC-32850 . | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/storage_administration_guide/ch37s04s03 |
Chapter 1. Creating a ROSA cluster with STS using the default options | Chapter 1. Creating a ROSA cluster with STS using the default options Note If you are looking for a quickstart guide for ROSA, see Red Hat OpenShift Service on AWS quickstart guide . Create a Red Hat OpenShift Service on AWS (ROSA) cluster quickly by using the default options and automatic AWS Identity and Access Manag... | [
"rosa create ocm-role",
"rosa create user-role",
"rosa list account-roles",
"rosa create account-roles",
"rosa create oidc-config --mode=auto --yes",
"? Would you like to create a Managed (Red Hat hosted) OIDC Configuration Yes I: Setting up managed OIDC configuration I: To create Operator Roles for this ... | https://docs.redhat.com/en/documentation/red_hat_openshift_service_on_aws/4/html/install_rosa_classic_clusters/rosa-sts-creating-a-cluster-quickly |
B.66. php | B.66. php B.66.1. RHSA-2011:0195 - Moderate: php security update Updated php packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, w... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.0_technical_notes/php |
Chapter 9. Troubleshooting Dev Spaces | Chapter 9. Troubleshooting Dev Spaces This section provides troubleshooting procedures for the most frequent issues a user can come in conflict with. Additional resources Section 9.1, "Viewing Dev Spaces workspaces logs" Section 9.2, "Troubleshooting slow workspaces" Section 9.3, "Troubleshooting network problems" Sect... | [
"oc logs --follow --namespace=' <workspace_namespace> ' --selector='controller.devfile.io/devworkspace_name= <workspace_name> '",
"components: - name: tools container: image: quay.io/devfile/universal-developer-image:ubi8-latest cpuLimit: 4000m 1 cpuRequest: 1000m 2",
"components: - name: tools container: image... | https://docs.redhat.com/en/documentation/red_hat_openshift_dev_spaces/3.16/html/user_guide/troubleshooting-devspaces |
Providing feedback on Red Hat documentation | Providing feedback on Red Hat documentation We appreciate your input on our documentation. Do let us know how we can make it better. To give feedback, create a Jira ticket: Log in to the Jira . Click Create in the top navigation bar Enter a descriptive title in the Summary field. Enter your suggestion for improvement i... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.18/html/managing_hybrid_and_multicloud_resources/providing-feedback-on-red-hat-documentation_rhodf |
Preface | Preface | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/systemtap_tapset_reference/tapset_reference_guide-preface |
Chapter 16. Creating and using deployment collections | Chapter 16. Creating and using deployment collections You can use collections in RHACS to define and name a group of resources by using matching patterns. You can then configure system processes to use these collections. Currently, collections are available only under the following conditions: Collections are available... | [
"Failed to create collections for scope _scope-name_: Unsupported operator NOT_IN in scope's label selectors. Only operator 'IN' is supported. The scope is attached to the following report configurations: [list of report configs]; Please manually create an equivalent collection and edit the listed report configurat... | https://docs.redhat.com/en/documentation/red_hat_advanced_cluster_security_for_kubernetes/4.6/html/operating/create-use-collections |
5.4. Optimizing Red Hat Gluster Storage Volumes for Virtual Machine Images | 5.4. Optimizing Red Hat Gluster Storage Volumes for Virtual Machine Images If you have not already selected Optimize for Virt Store while creating a volume, select this option now to optimize your storage for virtual machine images. This has the same effect as adding the volume to the virt group. On the Volumes tab, se... | null | https://docs.redhat.com/en/documentation/red_hat_gluster_storage/3.5/html/configuring_red_hat_virtualization_with_red_hat_gluster_storage/optimizing_red_hat_storage_volumes_for_virtual_machine_images |
Chapter 2. Networking Operators | Chapter 2. Networking Operators 2.1. DNS Operator in OpenShift Dedicated In OpenShift Dedicated, the DNS Operator deploys and manages a CoreDNS instance to provide a name resolution service to pods inside the cluster, enables DNS-based Kubernetes Service discovery, and resolves internal cluster.local names. 2.1.1. Chec... | [
"oc get -n openshift-dns-operator deployment/dns-operator",
"NAME READY UP-TO-DATE AVAILABLE AGE dns-operator 1/1 1 1 23h",
"oc get clusteroperator/dns",
"NAME VERSION AVAILABLE PROGRESSING DEGRADED SINCE MESSAGE dns 4.1.15-0.11 True False False 92m",
"oc describe dns.operator/default",
"Name: default Nam... | https://docs.redhat.com/en/documentation/openshift_dedicated/4/html/networking/networking-operators |
10.2. Federal Information Processing Standard (FIPS) | 10.2. Federal Information Processing Standard (FIPS) The Federal Information Processing Standard (FIPS) Publication 140-2, is a computer security standard, developed by a U.S. Government and industry working group to validate the quality of cryptographic modules. FIPS publications (including 140-2) can be found at the ... | [
"~]# yum install dracut-fips",
"~]# dracut -f",
"fips=1",
"~]USD df /boot Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda1 495844 53780 416464 12% /boot",
"boot=/dev/sda1",
"Protocol 2 Ciphers aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,3des-cbc,aes192-cbc,aes256-cbc Macs hmac-sha1,hmac-sha2-... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/security_guide/sect-security_guide-federal_standards_and_regulations-federal_information_processing_standard |
Chapter 9. Idling applications | Chapter 9. Idling applications Cluster administrators can idle applications to reduce resource consumption. This is useful when the cluster is deployed on a public cloud where cost is related to resource consumption. If any scalable resources are not in use, OpenShift Container Platform discovers and idles them by scal... | [
"oc idle <service>",
"oc idle --resource-names-file <filename>",
"oc scale --replicas=1 dc <dc_name>"
] | https://docs.redhat.com/en/documentation/openshift_container_platform/4.7/html/applications/idling-applications |
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