title stringlengths 4 168 | content stringlengths 7 1.74M | commands listlengths 1 5.62k ⌀ | url stringlengths 79 342 |
|---|---|---|---|
24.2. L1 Cache Configuration | 24.2. L1 Cache Configuration 24.2.1. L1 Cache Configuration (Library Mode) The following sample configuration shows the L1 cache default values in Red Hat JBoss Data Grid's Library Mode. Example 24.1. L1 Cache Configuration in Library Mode The l1 element configures the cache behavior in distributed cache instances. If ... | [
"<clustering mode=\"dist\"> <sync/> <l1 enabled=\"true\" lifespan=\"60000\" /> </clustering>",
"<distributed-cache l1-lifespan=\"USD{VALUE}\"> <!-- Additional configuration information here --> </distributed-cache>"
] | https://docs.redhat.com/en/documentation/red_hat_data_grid/6.6/html/administration_and_configuration_guide/sect-l1_cache_configuration |
Chapter 6. PriorityClass [scheduling.k8s.io/v1] | Chapter 6. PriorityClass [scheduling.k8s.io/v1] Description PriorityClass defines mapping from a priority class name to the priority integer value. The value can be any valid integer. Type object Required value 6.1. Specification Property Type Description apiVersion string APIVersion defines the versioned schema of thi... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/schedule_and_quota_apis/priorityclass-scheduling-k8s-io-v1 |
Chapter 6. Configuring Debezium connectors for your application | Chapter 6. Configuring Debezium connectors for your application When the default Debezium connector behavior is not right for your application, you can use the following Debezium features to configure the behavior you need. Kafka Connect automatic topic creation Enables Connect to create topics at runtime, and apply co... | [
"topic.creation.enable = true",
"apiVersion: kafka.strimzi.io/v1beta1 kind: KafkaConnect metadata: name: my-connect-cluster spec: config: topic.creation.enable: \"false\"",
"metadata: name: my-connect-cluster annotations: strimzi.io/use-connector-resources: \"true\"",
"apiVersion: kafka.strimzi.io/v1beta1 kin... | https://docs.redhat.com/en/documentation/red_hat_build_of_debezium/2.7.3/html/debezium_user_guide/configuring-debezium-connectors-for-your-application |
Chapter 5. Configuring the JAVA_HOME environment variable on RHEL | Chapter 5. Configuring the JAVA_HOME environment variable on RHEL Some applications require you to set the JAVA_HOME environment variable so that they can find the Red Hat build of OpenJDK installation. Prerequisites You know where you installed Red Hat build of OpenJDK on your system. For example, /opt/jdk/11 . Proced... | [
"export JAVA_HOME=/opt/jdk/11",
"printenv | grep JAVA_HOME JAVA_HOME=/opt/jdk/11",
"> vi ~/.bash_profile export JAVA_HOME=/opt/jdk/11 export PATH=\"USDJAVA_HOME/bin:USDPATH\""
] | https://docs.redhat.com/en/documentation/red_hat_build_of_openjdk/11/html/configuring_red_hat_build_of_openjdk_11_on_rhel/configuring-javahome-environment-variable-on-rhel |
17.4.4. Problems with the X Server Crashing and Non-Root Users | 17.4.4. Problems with the X Server Crashing and Non-Root Users If you are having trouble with the X server crashing when anyone logs in, you may have a full file system (or, a lack of available hard drive space). To verify that this is the problem you are experiencing, run the following command: The df command should h... | [
"df -h"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/installation_guide/ch17s04s04 |
Chapter 1. Installing the Directory Server packages | Chapter 1. Installing the Directory Server packages This chapter contains information about installing the Red Hat Directory Server packages. Prerequisites Red Hat Enterprise Linux (RHEL) is installed on the server. For details about the RHEL version required by the Red Hat Directory Server version you want to install,... | [
"subscription-manager list --all --available --matches 'Red Hat Directory Server' Subscription Name: Example Subscription Provides: Red Hat Directory Server Pool ID: 5ab6a8df96b03fd30aba9a9c58da57a1 Available: 1",
"subscription-manager attach --pool= 5ab6a8df96b03fd30aba9a9c58da57a1 Successfully attached a subscr... | https://docs.redhat.com/en/documentation/red_hat_directory_server/11/html/installation_guide/assembly_installing-the-directory-server-packages_installation-guide |
2.3. Installing the Minimum Amount of Packages Required | 2.3. Installing the Minimum Amount of Packages Required It is best practice to install only the packages you will use because each piece of software on your computer could possibly contain a vulnerability. If you are installing from the DVD media, take the opportunity to select exactly what packages you want to install... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/security_guide/sec-Installing_the_Minimum_Amount_of_Packages_Required |
Chapter 6. Managing templates | Chapter 6. Managing templates A template is a form composed of different UI fields that is defined in a YAML file. Templates include actions , which are steps that are executed in sequential order and can be executed conditionally. You can use templates to easily create Red Hat Developer Hub components, and then publis... | [
"ui:options: allowedHosts: - github.com",
"apiVersion: scaffolder.backstage.io/v1beta3 kind: Template metadata: name: template-name 1 title: Example template 2 description: An example template for v1beta3 scaffolder. 3 spec: owner: backstage/techdocs-core 4 type: service 5 parameters: 6 - title: Fill in some step... | https://docs.redhat.com/en/documentation/red_hat_developer_hub/1.3/html/administration_guide_for_red_hat_developer_hub/assembly-admin-templates |
Chapter 6. Upgrading AMQ Interconnect | Chapter 6. Upgrading AMQ Interconnect You should upgrade AMQ Interconnect to the latest version to ensure that you have the latest enhancements and fixes. The upgrade process involves installing the new AMQ Interconnect packages and restarting your routers. You can use these instructions to upgrade AMQ Interconnect to ... | [
"sudo yum update qpid-dispatch-router qpid-dispatch-tools",
"systemctl restart qdrouterd.service"
] | https://docs.redhat.com/en/documentation/red_hat_amq/2021.q1/html/using_amq_interconnect/upgrading_amq_interconnect |
Chapter 4. Running Containers as systemd Services with Podman | Chapter 4. Running Containers as systemd Services with Podman Podman (Pod Manager) is a fully featured container engine that is a simple daemonless tool. Podman provides a Docker-CLI comparable command line that eases the transition from other container engines and allows the management of pods, containers and images. ... | [
"podman pull docker.io/redis",
"setsebool -P container_manage_cgroup on",
"podman run -d --name redis_server -p 6379:6379 redis",
"[Unit] Description=Redis container [Service] Restart=always ExecStart=/usr/bin/podman start -a redis_server ExecStop=/usr/bin/podman stop -t 2 redis_server [Install] WantedBy=loca... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux_atomic_host/7/html/managing_containers/running_containers_as_systemd_services_with_podman |
Remediation, fencing, and maintenance | Remediation, fencing, and maintenance Workload Availability for Red Hat OpenShift 24.3 Workload Availability remediation, fencing, and maintenance Red Hat Customer Content Services | null | https://docs.redhat.com/en/documentation/workload_availability_for_red_hat_openshift/24.3/html/remediation_fencing_and_maintenance/index |
23.18. Storage Pools | 23.18. Storage Pools Although all storage pool back-ends share the same public APIs and XML format, they have varying levels of capabilities. Some may allow creation of volumes, others may only allow use of pre-existing volumes. Some may have constraints on volume size, or placement. The top level element for a storage... | [
"<pool type=\"iscsi\"> <name>virtimages</name> <uuid>3e3fce45-4f53-4fa7-bb32-11f34168b82b</uuid> <allocation>10000000</allocation> <capacity>50000000</capacity> <available>40000000</available> </pool>",
"<source> <host name=\"iscsi.example.com\"/> <device path=\"demo-target\"/> <auth type='chap' username='myname'... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/virtualization_deployment_and_administration_guide/sect-Manipulating_the_domain_xml-Storage_pools |
8.73. gnome-session | 8.73. gnome-session 8.73.1. RHBA-2014:1585 - gnome-session bug fix and enhancement update Updated gnome-session packages that fix several bugs and add one enhancement are now available for Red Hat Enterprise Linux 6. The gnome-session packages manage the GNOME desktop session. It starts up the other core components of ... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.6_technical_notes/gnome-session |
Chapter 2. Updating a model | Chapter 2. Updating a model Red Hat Enterprise Linux AI allows you to upgrade LLMs that you locally downloaded to the latest version of the model. Table 2.1. RHEL AI version 1.3 LLM support Feature Description Version introduced NVIDIA AMD granite-7b-starter Granite student model for customizing and fine-tuning RHEL AI... | [
"ilab model download --repository <repository_and_model> --release latest",
"ilab model list"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux_ai/1.3/html/updating/updating_a_model |
Chapter 1. Installation | Chapter 1. Installation FCoE Support in the Kickstart File When using a kickstart file to install Red Hat Enterprise Linux 6.4, with the new fcoe kickstart option you can specify which Fibre Channel over Ethernet (FCoE) devices should be activated automatically in addition to those discovered by Enhanced Disk Drive (ED... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.4_release_notes/chap-installation |
5.2. Removing a Cluster from the luci Interface | 5.2. Removing a Cluster from the luci Interface You can remove a cluster from the luci management GUI without affecting the cluster services or cluster membership. If you remove a cluster, you can later add the cluster back, or you can add it to another luci instance, as described in Section 5.1, "Adding an Existing Cl... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/cluster_administration/s1-removeclust-conga-ca |
7.5. Set an IP Address to Run Red Hat JBoss Data Grid | 7.5. Set an IP Address to Run Red Hat JBoss Data Grid For production use, the Red Hat JBoss Data Grid server must be bound to a specified IP address rather than to 127.0.0.1/localhost . Use the -b parameter with the script to specify an IP address. For standalone mode, set the IP address as follows: For clustered mode,... | [
"USDJDG_HOME/bin/standalone.sh -b USD{IP_ADDRESS}",
"USDJDG_HOME/bin/clustered.sh -b USD{IP_ADDRESS}"
] | https://docs.redhat.com/en/documentation/red_hat_data_grid/6.6/html/getting_started_guide/set_an_ip_address_to_run_red_hat_jboss_data_grid |
Chapter 1. Introduction | Chapter 1. Introduction This document describes how to use the RHEL HA Add-On on RHEL 9 to set up an HA cluster to automate a 'performance-optimized' SAP HANA Scale-Up System Replication setup. 'Performance-optimized' means that there is only a single SAP HANA instance running on each node that has control over most of... | [
"dnf repolist repo id repo name status rhel-9-for-x86_64-appstream-rpms Red Hat Enterprise Linux 9 for x86_64 - AppStream (RPMs) 8,603 rhel-9-for-x86_64-baseos-rpms Red Hat Enterprise Linux 9 for x86_64 - BaseOS (RPMs) 3,690 rhel-9-for-x86_64-highavailability-rpms Red Hat Enterprise Linux 9 for x86_64 - High Availa... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux_for_sap_solutions/9/html/automating_sap_hana_scale-up_system_replication_using_the_rhel_ha_add-on/asmb_overview_v9-automating-sap-hana-scale-up-system-replication |
Chapter 25. CSimple | Chapter 25. CSimple The CSimple language is compiled Simple language. 25.1. Dependencies When using csimple with Red Hat build of Camel Spring Boot make sure to use the following Maven dependency to have support for auto configuration: <dependency> <groupId>org.apache.camel.springboot</groupId> <artifactId>camel-core-s... | [
"<dependency> <groupId>org.apache.camel.springboot</groupId> <artifactId>camel-core-starter</artifactId> </dependency>",
"Hello USD\\{body[0].name}",
"Hello USD\\{bodyAsIndex(com.foo.MyUser, 0).name}",
"<plugins> <!-- generate source code for csimple languages --> <plugin> <groupId>org.apache.camel</groupId> ... | 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-csimple-language-starter |
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_memcached_protocol_endpoint_with_data_grid/rhdg-docs_datagrid |
Chapter 4. OpenShift Data Foundation installation overview | Chapter 4. OpenShift Data Foundation installation overview OpenShift Data Foundation consists of multiple components managed by multiple operators. 4.1. Installed Operators When you install OpenShift Data Foundation from the Operator Hub, the following four separate Deployments are created: odf-operator : Defines the o... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.14/html/red_hat_openshift_data_foundation_architecture/openshift_data_foundation_installation_overview |
5.168. libxml2 | 5.168. libxml2 5.168.1. RHSA-2012:1512 - Important: libxml2 security update Updated libxml2 packages that fix one security issue 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. A Common Vulnerability Scoring System (CV... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.3_technical_notes/libxml2 |
Chapter 2. New features and enhancements | Chapter 2. New features and enhancements A list of all major enhancements, and new features introduced in this release of Red Hat Trusted Artifact Signer (RHTAS). The features and enhancements added by this release are: Log sharding for Rekor If left alone, Rekor's log will grow indefinitely, which can impact overall p... | [
"externalAccess: enabled: true routeSelectorLabels: type: dev"
] | https://docs.redhat.com/en/documentation/red_hat_trusted_artifact_signer/1.1/html/release_notes/enhancements |
2.2. Fencing Overview | 2.2. Fencing Overview In a cluster system, there can be many nodes working on several pieces of vital production data. Nodes in a busy, multi-node cluster could begin to act erratically or become unavailable, prompting action by administrators. The problems caused by errant cluster nodes can be mitigated by establishin... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/high_availability_add-on_overview/s1-fencing-haao |
Chapter 5. Networking Operators overview | Chapter 5. Networking Operators overview OpenShift Container Platform supports multiple types of networking Operators. You can manage the cluster networking using these networking Operators. 5.1. Cluster Network Operator The Cluster Network Operator (CNO) deploys and manages the cluster network components in an OpenShi... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/networking/networking-operators-overview |
10.9. Change the Default JDBC Port Using Management Console | 10.9. Change the Default JDBC Port Using Management Console Login to the Management Console. Navigate to the Socket Binding panel in the Management Console Standalone Mode Select the Profile tab from the top-right of the console. Domain Mode Select the Profiles tab from the top-right of the console. Select the appropri... | null | https://docs.redhat.com/en/documentation/red_hat_jboss_data_virtualization/6.4/html/administration_and_configuration_guide/change_the_default_jdbc_port_using_management_console |
Chapter 16. Configuring Routes | Chapter 16. Configuring Routes 16.1. Route configuration 16.1.1. Creating an HTTP-based route A route allows you to host your application at a public URL. It can either be secure or unsecured, depending on the network security configuration of your application. An HTTP-based route is an unsecured route that uses the ba... | [
"oc new-project hello-openshift",
"oc create -f https://raw.githubusercontent.com/openshift/origin/master/examples/hello-openshift/hello-pod.json",
"oc expose pod/hello-openshift",
"oc expose svc hello-openshift",
"apiVersion: route.openshift.io/v1 kind: Route metadata: name: hello-openshift spec: host: hel... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.7/html/networking/configuring-routes |
Chapter 1. About OpenShift Container Platform monitoring | Chapter 1. About OpenShift Container Platform monitoring 1.1. About OpenShift Container Platform monitoring OpenShift Container Platform includes a preconfigured, preinstalled, and self-updating monitoring stack that provides monitoring for core platform components. You also have the option to enable monitoring for use... | [
"curl http://<example_app_endpoint>/metrics",
"HELP http_requests_total Count of all HTTP requests TYPE http_requests_total counter http_requests_total{code=\"200\",method=\"get\"} 4 http_requests_total{code=\"404\",method=\"get\"} 2 HELP version Version information about this binary TYPE version gauge version{ve... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/monitoring/about-openshift-container-platform-monitoring |
Chapter 16. Impersonating the system:admin user | Chapter 16. Impersonating the system:admin user 16.1. API impersonation You can configure a request to the OpenShift Container Platform API to act as though it originated from another user. For more information, see User impersonation in the Kubernetes documentation. 16.2. Impersonating the system:admin user You can gr... | [
"oc create clusterrolebinding <any_valid_name> --clusterrole=sudoer --user=<username>",
"apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRoleBinding metadata: name: <any_valid_name> roleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: sudoer subjects: - apiGroup: rbac.authorization.k8s.io ki... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.9/html/authentication_and_authorization/impersonating-system-admin |
9.2. Keepalived and HAProxy Replace Piranha as Load Balancer | 9.2. Keepalived and HAProxy Replace Piranha as Load Balancer Red Hat Enterprise Linux 7 replaces the Piranha Load Balancer technology with Keepalived and HAProxy . Keepalived provides simple and robust facilities for load balancing and high availability. The load-balancing framework relies on the well-known and widely ... | null | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/7.0_release_notes/sect-red_hat_enterprise_linux-7.0_release_notes-clustering-keepalived_and_haproxy_replace_piranha_as_load_balancer |
Chapter 6. Back-end compression | Chapter 6. Back-end compression Compress an edge cluster of a smaller capacity with the compression options. BlueStore allows two types of compression: BlueStore level of compression for general workload. Ceph Object Gateway level of compression for S3 workload. For more information on compression algorithms, see Pool ... | [
"ceph osd pool set POOL_NAME compression_algorithm ALGORITHM ceph osd pool set POOL_NAME compression_mode MODE",
"ceph osd pool set POOL_NAME compression_required_ratio RATIO ceph osd pool set POOL_NAME compression_min_blob_size SIZE ceph osd pool set POOL_NAME compression_max_blob_size SIZE"
] | https://docs.redhat.com/en/documentation/red_hat_ceph_storage/8/html/edge_guide/back-end-compression_edge |
2.2.4. Securing NFS | 2.2.4. Securing NFS Important The version of NFS included in Red Hat Enterprise Linux 6, NFSv4, no longer requires the portmap service as outlined in Section 2.2.2, "Securing Portmap" . NFS traffic now utilizes TCP in all versions, rather than UDP, and requires it when using NFSv4. NFSv4 now includes Kerberos user and ... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/security_guide/sect-security_guide-server_security-securing_nfs |
Chapter 8. Removing Service Telemetry Framework from the Red Hat OpenShift Container Platform environment | Chapter 8. Removing Service Telemetry Framework from the Red Hat OpenShift Container Platform environment Remove Service Telemetry Framework (STF) from an Red Hat OpenShift Container Platform environment if you no longer require the STF functionality. To remove STF from the Red Hat OpenShift Container Platform environm... | [
"oc delete project service-telemetry",
"oc get all No resources found."
] | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.1/html/service_telemetry_framework_1.5/assembly-removing-stf-from-the-openshift-environment_assembly |
Chapter 142. KafkaConnector schema reference | Chapter 142. KafkaConnector schema reference Property Property type Description spec KafkaConnectorSpec The specification of the Kafka Connector. status KafkaConnectorStatus The status of the Kafka Connector. | null | https://docs.redhat.com/en/documentation/red_hat_streams_for_apache_kafka/2.9/html/streams_for_apache_kafka_api_reference/type-kafkaconnector-reference |
Chapter 13. Nodes | Chapter 13. Nodes 13.1. Node maintenance Nodes can be placed into maintenance mode by using the oc adm utility or NodeMaintenance custom resources (CRs). Note The node-maintenance-operator (NMO) is no longer shipped with OpenShift Virtualization. It is deployed as a standalone Operator from the OperatorHub in the OpenS... | [
"oc edit vm <vm_name> -n <namespace>",
"apiVersion: kubevirt.io/v1 kind: VirtualMachine metadata: name: <vm_name> spec: template: spec: evictionStrategy: LiveMigrateIfPossible 1",
"virtctl restart <vm_name> -n <namespace>",
"oc edit hyperconverged kubevirt-hyperconverged -n openshift-cnv",
"apiVersion: hco.... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/virtualization/nodes |
Red Hat Data Grid | Red Hat Data Grid Data Grid is a high-performance, distributed in-memory data store. Schemaless data structure Flexibility to store different objects as key-value pairs. Grid-based data storage Designed to distribute and replicate data across clusters. Elastic scaling Dynamically adjust the number of nodes to meet dema... | null | https://docs.redhat.com/en/documentation/red_hat_data_grid/8.4/html/embedding_data_grid_in_java_applications/red-hat-data-grid |
5.2.10. /proc/filesystems | 5.2.10. /proc/filesystems This file displays a list of the file system types currently supported by the kernel. Sample output from a generic /proc/filesystems file looks similar to the following: The first column signifies whether the file system is mounted on a block device. Those beginning with nodev are not mounted ... | [
"nodev sysfs nodev rootfs nodev bdev nodev proc nodev sockfs nodev binfmt_misc nodev usbfs nodev usbdevfs nodev futexfs nodev tmpfs nodev pipefs nodev eventpollfs nodev devpts ext2 nodev ramfs nodev hugetlbfs iso9660 nodev mqueue ext3 nodev rpc_pipefs nodev autofs"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/4/html/reference_guide/s2-proc-filesystems |
Chapter 15. Network-Bound Disk Encryption (NBDE) | Chapter 15. Network-Bound Disk Encryption (NBDE) 15.1. 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. 15.1.1. Disk encryption technology compari... | [
"sudo yum install tang",
"sudo dnf install tang",
"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-... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.10/html/security_and_compliance/network-bound-disk-encryption-nbde |
15.4. RemoteCacheStore Parameters for Rolling Upgrades | 15.4. RemoteCacheStore Parameters for Rolling Upgrades 15.4.1. rawValues and RemoteCacheStore By default, the RemoteCacheStore store's values are wrapped in InternalCacheEntry. Enabling the rawValues parameter causes the raw values to be stored instead for interoperability with direct access by RemoteCacheManagers. raw... | null | https://docs.redhat.com/en/documentation/red_hat_data_grid/6.6/html/developer_guide/sect-remotecachestore_parameters_for_rolling_upgrades |
5.6.3. User Accounts | 5.6.3. User Accounts Because FTP passes unencrypted usernames and passwords over insecure networks for authentication, it is a good idea to deny system users access to the server from their user accounts. To disable user accounts in vsftpd , add the following directive to /etc/vsftpd/vsftpd.conf : 5.6.3.1. Restricting ... | [
"local_enable=NO"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/4/html/security_guide/s2-server-ftp-denylocal |
7.41. dracut | 7.41. dracut 7.41.1. RHBA-2015:1328 - dracut bug fix and enhancement update Updated dracut packages that fix several bugs and add two enhancements are now available for Red Hat Enterprise Linux 6. The dracut packages include an event-driven initramfs generator infrastructure based on the udev device manager. The virtua... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.7_technical_notes/package-dracut |
Chapter 17. Using the Red Hat Quay API | Chapter 17. Using the Red Hat Quay API Red Hat Quay provides a full OAuth 2 , RESTful API. [OAuth 2] RESTful API provides the following benefits: It is available from endpoint /api/v1 endpoint of your Red Hat Quay host. For example, https://<quay-server.example.com>/api/v1 . It allows users to connect to endpoints thro... | [
"https://docs.quay.io/api/swagger/",
"FEATURE_REFERRERS_API: true",
"echo -n '<username>:<password>' | base64",
"abcdeWFkbWluOjE5ODlraWROZXQxIQ==",
"curl --location '<quay-server.example.com>/v2/auth?service=<quay-server.example.com>&scope=repository:quay/listocireferrs:pull,push' --header 'Authorization: B... | https://docs.redhat.com/en/documentation/red_hat_quay/3.12/html/use_red_hat_quay/using-the-api |
Chapter 4. Integrated applications | Chapter 4. Integrated applications Cryostat integrates with specific applications that can enhance how you analyze data from your JFR recording. 4.1. Viewing a JFR recording on Grafana Cryostat 3.0 integrates with the Grafana application, so you can plot JFR recording data in Grafana. You can view plot data in time int... | null | https://docs.redhat.com/en/documentation/red_hat_build_of_cryostat/3/html/using_cryostat_to_manage_a_jfr_recording/assembly_integrated-applications_assembly_event-templates |
3.3. Creating Control Groups | 3.3. Creating Control Groups Use the cgcreate command to create transient cgroups in hierarchies you created yourself. The syntax for cgcreate is: where: -t (optional) - specifies a user (by user ID, uid) and a group (by group ID, gid) to own the tasks pseudo-file for this cgroup. This user can add tasks to the cgroup.... | [
"cgcreate -t uid : gid -a uid : gid -g controllers : path",
"~]# mkdir /sys/fs/cgroup/ controller / name / child_name",
"~]# mkdir /sys/fs/cgroup/net_prio/lab1/group1"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/resource_management_guide/sec-creating_cgroups-libcgroup |
Chapter 12. Restoring the monitor pods in OpenShift Data Foundation | Chapter 12. Restoring the monitor pods in OpenShift Data Foundation Restore the monitor pods if all three of them go down, and when OpenShift Data Foundation is not able to recover the monitor pods automatically. Note This is a disaster recovery procedure and must be performed under the guidance of the Red Hat support ... | [
"oc scale deployment rook-ceph-operator --replicas=0 -n openshift-storage",
"oc scale deployment ocs-operator --replicas=0 -n openshift-storage",
"mkdir backup",
"cd backup",
"oc project openshift-storage",
"for d in USD(oc get deployment|awk -F' ' '{print USD1}'|grep -v NAME); do echo USDd;oc get deploym... | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.17/html/troubleshooting_openshift_data_foundation/restoring-the-monitor-pods-in-openshift-data-foundation_rhodf |
Transitioning to Containerized Services | Transitioning to Containerized Services Red Hat OpenStack Platform 17.0 A basic guide to working with OpenStack Platform containerized services OpenStack Documentation Team rhos-docs@redhat.com | null | https://docs.redhat.com/en/documentation/red_hat_openstack_platform/17.0/html/transitioning_to_containerized_services/index |
Chapter 1. Kubernetes overview | Chapter 1. Kubernetes overview Kubernetes is an open source container orchestration tool developed by Google. You can run and manage container-based workloads by using Kubernetes. The most common Kubernetes use case is to deploy an array of interconnected microservices, building an application in a cloud native way. Yo... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html/getting_started/kubernetes-overview |
Chapter 18. Configuring NTP Using the chrony Suite | Chapter 18. Configuring NTP Using the chrony Suite Accurate time keeping is important for a number of reasons in IT. In networking for example, accurate time stamps in packets and logs are required. In Linux systems, the NTP protocol is implemented by a daemon running in user space. The user space daemon updates the sy... | [
"allow 192.0.2.0/24",
"allow 2001:0db8:85a3::8a2e:0370:7334",
"~]# firewall-cmd --zone=public --add-port=123/udp",
"~]# firewall-cmd --permanent --zone=public --add-port=123/udp",
"local stratum 10",
"log measurements statistics tracking",
"logdir /var/log/chrony",
"makestep 1000 10",
"maxchange 100... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/system_administrators_guide/ch-Configuring_NTP_Using_the_chrony_Suite |
Chapter 9. Installing a cluster on AWS into a government region | Chapter 9. Installing a cluster on AWS into a government region In OpenShift Container Platform version 4.14, you can install a cluster on Amazon Web Services (AWS) into a government region. To configure the region, modify parameters in the install-config.yaml file before you install the cluster. 9.1. Prerequisites 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>)",
"apiVersion: v1 baseDomain: example.com... | https://docs.redhat.com/en/documentation/openshift_container_platform_installation/4.14/html/installing_on_aws/installing-aws-government-region |
Chapter 18. Managing cluster resources | Chapter 18. Managing cluster resources There are a variety of commands you can use to display, modify, and administer cluster resources. 18.1. Displaying configured resources To display a list of all configured resources, use the following command. For example, if your system is configured with a resource named Virtual... | [
"pcs resource status",
"pcs resource status VirtualIP (ocf::heartbeat:IPaddr2): Started WebSite (ocf::heartbeat:apache): Started",
"pcs resource config resource_id",
"pcs resource config VirtualIP Resource: VirtualIP (type=IPaddr2 class=ocf provider=heartbeat) Attributes: ip=192.168.0.120 cidr_netmask=24 Oper... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/configuring_and_managing_high_availability_clusters/assembly_managing-cluster-resources-configuring-and-managing-high-availability-clusters |
Configuring GitHub Actions | Configuring GitHub Actions Red Hat Trusted Application Pipeline 1.4 Learn how to configure GitHub Actions for secure CI/CD workflows. Red Hat Trusted Application Pipeline Documentation Team | null | https://docs.redhat.com/en/documentation/red_hat_trusted_application_pipeline/1.4/html/configuring_github_actions/index |
23.8. Memory Allocation | 23.8. Memory Allocation In cases where the guest virtual machine crashes, the optional attribute dumpCore can be used to control whether the guest virtual machine's memory should be included in the generated core dump( dumpCore='on' ) or not included ( dumpCore='off' ). Note that the default setting is on , so unless t... | [
"<domain> <maxMemory slots='16' unit='KiB'>1524288</maxMemory> <memory unit='KiB' dumpCore='off'>524288</memory> <!-- changes the memory unit to KiB and does not allow the guest virtual machine's memory to be included in the generated core dumpfile --> <currentMemory unit='KiB'>524288</currentMemory> <!-- makes the... | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/virtualization_deployment_and_administration_guide/sect-Manipulating_the_domain_xml-Memory_allocation |
8.153. numactl | 8.153. numactl 8.153.1. RHBA-2014:1483 - numactl bug fix and enhancement update Updated numactl packages that fix several bugs and add various enhancements are now available for Red Hat Enterprise Linux 6. The numactl packages add simple Non-Uniform Memory Access (NUMA) policy support. It consists of the numactl progra... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.6_technical_notes/numactl |
2.11.5. Displaying Parameters of Control Groups | 2.11.5. Displaying Parameters of Control Groups To display the parameters of specific cgroups, run: where parameter is a pseudofile that contains values for a subsystem, and list_of_cgroups is a list of cgroups separated with spaces. For example: displays the values of cpuset.cpus and memory.limit_in_bytes for cgroups ... | [
"~]USD cgget -r parameter list_of_cgroups",
"~]USD cgget -r cpuset.cpus -r memory.limit_in_bytes group1 group2",
"~]USD cgget -g cpuset /"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/resource_management_guide/displaying_parameters_of_control_groups |
Chapter 57. Kubernetes | Chapter 57. Kubernetes Since Camel 2.17 The Kubernetes components integrate your application with Kubernetes standalone or on top of Openshift. 57.1. Kubernetes components See the following for usage of each component: Kubernetes ConfigMap Perform operations on Kubernetes ConfigMaps and get notified on ConfigMaps chang... | [
"<dependency> <groupId>org.apache.camel.springboot</groupId> <artifactId>camel-kubernetes-starter</artifactId> </dependency>",
"from(\"direct:createPod\") .toF(\"kubernetes-pods://%s?oauthToken=%s&operation=createPod\", host, authToken);",
"from(\"direct:createPod\") .toF(\"kubernetes-pods://%s?oauthToken=%s&op... | 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-kubernetes-component-starter |
Chapter 8. Creating the mortgage-process project | Chapter 8. Creating the mortgage-process project A project is a container for assets such as data objects, business processes, guided rules, decision tables, and forms. The project that you are creating is similar to the existing Mortgage_Process sample project in Business Central. Procedure In Business Central, go to ... | null | https://docs.redhat.com/en/documentation/red_hat_decision_manager/7.13/html/deploying_and_managing_red_hat_decision_manager_services/new-project-proc_managing-projects |
Chapter 3. Defining Camel routes | Chapter 3. Defining Camel routes Red Hat build of Apache Camel for Quarkus supports the Java DSL language to define Camel Routes. 3.1. Java DSL Extending org.apache.camel.builder.RouteBuilder and using the fluent builder methods available there is the most common way of defining Camel Routes. Here is a simple example o... | [
"import org.apache.camel.builder.RouteBuilder; public class TimerRoute extends RouteBuilder { @Override public void configure() throws Exception { from(\"timer:foo?period=1000\") .log(\"Hello World\"); } }",
"import org.apache.camel.builder.RouteBuilder; import static org.apache.camel.builder.endpoint.StaticEndpo... | https://docs.redhat.com/en/documentation/red_hat_build_of_apache_camel/4.0/html/developing_applications_with_red_hat_build_of_apache_camel_for_quarkus/camel-quarkus-extensions-routes |
9.10. Setting up SASL Identity Mapping | 9.10. Setting up SASL Identity Mapping Simple Authentication and Security Layer (SASL) is an abstraction layer between protocols like LDAP and authentication methods like GSS-API which allows any protocol which can interact with SASL to utilize any authentication mechanism which can work with SASL. Simply put, SASL is ... | [
"dn: cn=sasl,cn=config objectClass: top objectClass: nsContainer cn: sasl",
"dn: cn=mapping,cn=sasl,cn=config objectClass: top objectClass: nsContainer cn: mapping",
"dn: cn=mymap,cn=mapping,cn=sasl,cn=config objectclass:top objectclass:nsSaslMapping cn: mymap nsSaslMapRegexString: \\(.*\\)@\\(.*\\)\\.\\(.*\\) ... | https://docs.redhat.com/en/documentation/red_hat_directory_server/11/html/administration_guide/sasl |
8.10. alsa-utils | 8.10. alsa-utils 8.10.1. RHBA-2014:1603 - alsa-utils bug fix update Updated alsa-utils packages that fix one bug are now available for Red Hat Enterprise Linux 6. The alsa-utils packages containn command line utilities for the Advanced Linux Sound Architecture (ALSA). Bug Fix BZ# 1072956 The alsa-utils packages have be... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.6_technical_notes/alsa-utils |
Chapter 6. CronJob [batch/v1] | Chapter 6. CronJob [batch/v1] Description CronJob represents the configuration of a single cron job. 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 va... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.12/html/workloads_apis/cronjob-batch-v1 |
33.5. Managing Dynamic DNS Updates | 33.5. Managing Dynamic DNS Updates 33.5.1. Enabling Dynamic DNS Updates Dynamic DNS updates are disabled by default for new DNS zones in IdM. With dynamic updates disabled, the ipa-client-install script cannot add a DNS record pointing to the new client. Note Enabling dynamic updates can potentially pose a security ris... | [
"[user@server ~]USD ipa dnszone-mod server.example.com --dynamic-update=TRUE",
"ipa-client-install --enable-dns-updates",
"vim /etc/sssd/sssd.conf",
"[domain/ipa.example.com]",
"dyndns_update = true",
"dyndns_ttl = 2400",
"ipa dnszone-mod idm.example.com. --dynamic-update=TRUE",
"ipa dnszone-mod idm.e... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/linux_domain_identity_authentication_and_policy_guide/managing-dynamic-dns-updates |
Operators | Operators OpenShift Container Platform 4.18 Working with Operators in OpenShift Container Platform Red Hat OpenShift Documentation Team | [
"etcd ├── manifests │ ├── etcdcluster.crd.yaml │ └── etcdoperator.clusterserviceversion.yaml │ └── secret.yaml │ └── configmap.yaml └── metadata └── annotations.yaml └── dependencies.yaml",
"annotations: operators.operatorframework.io.bundle.mediatype.v1: \"registry+v1\" 1 operators.operatorframework.io.bundle.ma... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.18/html-single/operators/index |
Chapter 1. Troubleshooting | Chapter 1. Troubleshooting Before using the Troubleshooting guide, you can run the oc adm must-gather command to gather details, logs, and take steps in debugging issues. For more details, see Running the must-gather command to troubleshoot . Additionally, check your role-based access. See Role-based access control for... | [
"adm must-gather --image=registry.redhat.io/rhacm2/acm-must-gather-rhel9:v2.12 --dest-dir=<directory>",
"<your-directory>/cluster-scoped-resources/gather-managed.log>",
"REGISTRY=<internal.repo.address:port> IMAGE1=USDREGISTRY/rhacm2/acm-must-gather-rhel9:v<2.x> adm must-gather --image=USDIMAGE1 --dest-dir=<dir... | https://docs.redhat.com/en/documentation/red_hat_advanced_cluster_management_for_kubernetes/2.12/html/troubleshooting/troubleshooting |
Chapter 3. Enhancements | Chapter 3. Enhancements This section describes the major enhancements introduced in Red Hat OpenShift Data foundation 4.16. 3.1. New elements for bucket policies OpenShift Data Foundation now has the bucket policy elements, NotPrincipal , NotAction , and NotResource . For more information on these elements, see IAM JSO... | [
"s3api list--multipart-uploads --bucket <bucket_name>"
] | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.16/html/4.16_release_notes/enhancements |
Chapter 8. Documentation | Chapter 8. Documentation Supported configurations Check the latest information about 3scale 2.15 supported configurations at the Red Hat 3scale API Management Supported Configurations website. Security updates Check the latest information about 3scale 2.15 security updates in the Red Hat Product Advisories portal. Erra... | null | https://docs.redhat.com/en/documentation/red_hat_3scale_api_management/2.15/html/release_notes_for_red_hat_3scale_api_management_2.15_on-premises/documentation |
Chapter 1. LLVM Toolset | Chapter 1. LLVM Toolset LLVM Toolset is a Red Hat offering for developers on Red Hat Enterprise Linux (RHEL). It provides the LLVM compiler infrastructure framework, the Clang compiler for the C and C++ languages, the LLDB debugger, and related tools for code analysis. For Red Hat Enterprise Linux 8, LLVM Toolset is av... | [
"yum module install llvm-toolset",
"yum install lldb python3-lit",
"dnf install llvm-toolset",
"dnf install lldb python3-lit",
"yum install cmake",
"dnf install cmake",
"yum install llvm-doc",
"dnf install llvm-doc",
"yum install cmake-doc",
"dnf install cmake-doc"
] | https://docs.redhat.com/en/documentation/red_hat_developer_tools/1/html/using_llvm_16.0.6_toolset/assembly_llvm_using-llvm-toolset |
Chapter 14. Pod [v1] | Chapter 14. Pod [v1] Description Pod is a collection of containers that can run on a host. This resource is created by clients and scheduled onto hosts. Type object 14.1. Specification Property Type Description apiVersion string APIVersion defines the versioned schema of this representation of an object. Servers should... | [
"IP: An IP address allocated to the pod. Routable at least within the cluster."
] | https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html/workloads_apis/pod-v1 |
Chapter 1. OpenShift Container Platform storage overview | Chapter 1. OpenShift Container Platform storage overview OpenShift Container Platform supports multiple types of storage, both for on-premise and cloud providers. You can manage container storage for persistent and non-persistent data in an OpenShift Container Platform cluster. 1.1. Glossary of common terms for OpenShi... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.11/html/storage/storage-overview |
Chapter 17. Configuring ingress cluster traffic | Chapter 17. Configuring ingress cluster traffic 17.1. Configuring ingress cluster traffic overview OpenShift Container Platform provides the following methods for communicating from outside the cluster with services running in the cluster. The methods are recommended, in order or preference: If you have HTTP/HTTPS, use... | [
"apiVersion: v1 kind: Service metadata: name: http-service spec: clusterIP: 172.30.163.110 externalIPs: - 192.168.132.253 externalTrafficPolicy: Cluster ports: - name: highport nodePort: 31903 port: 30102 protocol: TCP targetPort: 30102 selector: app: web sessionAffinity: None type: LoadBalancer status: loadBalance... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.7/html/networking/configuring-ingress-cluster-traffic |
Upgrading from RHEL 6 to RHEL 7 | Upgrading from RHEL 6 to RHEL 7 Red Hat Enterprise Linux 7 Instructions for an in-place upgrade from Red Hat Enterprise Linux 6 to Red Hat Enterprise Linux 7 Red Hat Customer Content Services | null | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/upgrading_from_rhel_6_to_rhel_7/index |
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:v4.15.9 -- /usr/bin/gather",
"oc adm must-gather --image=registry.redhat.io/container-native-virtualization/cnv-must-gather-rhel9:v4.15.9 -- <environment_variable_1> <environment_variable_2> <script_name>",
"oc ... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/virtualization/support |
Chapter 1. The basics of Ceph configuration | Chapter 1. The basics of Ceph configuration As a storage administrator, you need to have a basic understanding of how to view the Ceph configuration, and how to set the Ceph configuration options for the Red Hat Ceph Storage cluster. You can view and set the Ceph configuration options at runtime. Prerequisites Installa... | [
"ceph config set osd/host:magna045 debug_osd 20",
"ceph config set osd/class:hdd osd_max_backfills 8",
"ceph daemon DAEMON_TYPE . ID config show",
"ceph daemon osd.0 config show",
"ceph daemon osd.0 help",
"ceph daemon DAEMON_TYPE . ID config get PARAMETER",
"ceph daemon osd.0 config get public_addr",
... | https://docs.redhat.com/en/documentation/red_hat_ceph_storage/8/html/configuration_guide/the-basics-of-ceph-configuration |
Chapter 1. Introduction to scaling storage | Chapter 1. Introduction to scaling storage Red Hat OpenShift Data Foundation is highly scalable storage system. OpenShift Data Foundation allows you to scale by adding the disks in the multiple of three, or three or any number depending upon the deployment type. For internal (dynamic provisioning) deployment mode, you ... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.13/html/scaling_storage/scaling-overview_rhodf |
Chapter 5. Container images with Go Toolset | Chapter 5. Container images with Go Toolset You can build your own Go Toolset containers from either Red Hat Enterprise Linux container images or Red Hat Universal Base Images (UBI). 5.1. Red Hat Enterprise Linux Go Toolset container images contents The Red Hat Enterprise Linux 8 and Red Hat Enterprise Linux 9 containe... | [
"podman pull registry.redhat.io/rhel8/go-toolset",
"podman pull registry.redhat.io/rhel9/go-toolset",
"podman pull registry.access.redhat.com/ubi8/go-toolset",
"podman pull registry.access.redhat.com/ubi9/go-toolset",
"FROM registry.access.redhat.com/ubi8/ubi: latest RUN yum module install -y go-toolset",
... | https://docs.redhat.com/en/documentation/red_hat_developer_tools/1/html/using_go_1.22_toolset/assembly_container-images-with-go-toolset_using-go-toolset |
Chapter 3. Disk partitions | Chapter 3. Disk partitions To divide a disk into one or more logical areas, use the disk partitioning utility. It enables separate management of each partition. 3.1. Overview of partitions The hard disk stores information about the location and size of each disk partition in the partition table. Using information from ... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/managing_storage_devices/disk-partitions_managing-storage-devices |
9.2. The Graphical Installation Program User Interface | 9.2. The Graphical Installation Program User Interface If you have used a graphical user interface (GUI) before, you are already familiar with this process; use your mouse to navigate the screens, click buttons, or enter text fields. You can also navigate through the installation using the keyboard. The Tab key allows ... | [
"linux text"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/installation_guide/s1-guimode-interface-x86 |
Migration Toolkit for Containers | Migration Toolkit for Containers OpenShift Container Platform 4.14 Migrating to OpenShift Container Platform 4 Red Hat OpenShift Documentation Team | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html/migration_toolkit_for_containers/index |
Chapter 1. Integrating with image registries | Chapter 1. Integrating with image registries Red Hat Advanced Cluster Security for Kubernetes (RHACS) integrates with a variety of image registries so that you can understand your images and apply security policies for image usage. When you integrate with image registries, you can view important image details, such as ... | [
"eksctl utils associate-iam-oidc-provider --cluster <cluster name> --approve",
"kubectl -n stackrox annotate sa central eks.amazonaws.com/role-arn=arn:aws:iam::67890:role/<role-name>",
"kubectl -n stackrox delete pod -l app=central",
"{ \"Version\": \"2012-10-17\", \"Statement\": [ { \"Sid\": \"VisualEditor0\... | https://docs.redhat.com/en/documentation/red_hat_advanced_cluster_security_for_kubernetes/4.7/html/integrating/integrate-with-image-registries |
23.4. Stacking I/O Parameters | 23.4. Stacking I/O Parameters All layers of the Linux I/O stack have been engineered to propagate the various I/O parameters up the stack. When a layer consumes an attribute or aggregates many devices, the layer must expose appropriate I/O parameters so that upper-layer devices or tools will have an accurate view of th... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/storage_administration_guide/iolimitstacking |
Configuring SAP HANA Scale-Up Multitarget System Replication for disaster recovery | Configuring SAP HANA Scale-Up Multitarget System Replication for disaster recovery Red Hat Enterprise Linux for SAP Solutions 9 Red Hat Customer Content Services | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux_for_sap_solutions/9/html/configuring_sap_hana_scale-up_multitarget_system_replication_for_disaster_recovery/index |
2.6. File System Backups | 2.6. File System Backups It is important to make regular backups of your GFS2 file system in case of emergency, regardless of the size of your file system. Many system administrators feel safe because they are protected by RAID, multipath, mirroring, snapshots, and other forms of redundancy, but there is no such thing ... | [
"echo -n 3 > /proc/sys/vm/drop_caches"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/global_file_system_2/s1-backups-gfs2 |
Chapter 16. MapReduce | Chapter 16. MapReduce Important Map/Reduce has been deprecated in JBoss Data Grid 6.6.0, and is expected to be removed in subsequent versions. This feature will be replaced by Distributed Streams, which was shown to have better performance. The Red Hat JBoss Data Grid MapReduce model is an adaptation of Google 's MapRe... | [
"public interface Mapper<KIn, VIn, KOut, VOut> extends Serializable { /** * Invoked once for each input cache entry KIn,VOut pair. */ void map(KIn key, VIn value, Collector<KOut, VOut> collector);",
"public interface Reducer<KOut, VOut> extends Serializable { /** * Combines/reduces all intermediate values for a p... | https://docs.redhat.com/en/documentation/red_hat_data_grid/6.6/html/developer_guide/chap-MapReduce |
6.2. Red Hat Virtualization 4.4 SP 1 Batch Update 2 (ovirt-4.5.2) | 6.2. Red Hat Virtualization 4.4 SP 1 Batch Update 2 (ovirt-4.5.2) 6.2.1. Bug Fix These bugs were fixed in this release of Red Hat Virtualization: BZ# 1853924 Previously, when attempting to add a disk using ovirt-engine SDK script when the disk already exists, the operation fails, and an exception is thrown. With this r... | [
"vdsm-tool is-configured --module multipath WARNING: Invalid configuration: 'user_friendly_names' is enabled in multipath configuration: section1 { key1 value1 user_friendly_names yes key2 value2 } section2 { user_friendly_names yes } This configuration is not supported and may lead to storage domain corruption."
] | https://docs.redhat.com/en/documentation/red_hat_virtualization/4.4/html/release_notes/red_hat_virtualization_4_4_sp_1_batch_update_2_ovirt_4_5_2 |
Chapter 11. Troubleshooting client access to services in the other forest | Chapter 11. Troubleshooting client access to services in the other forest After configuring a trust between your Identity Management (IdM) and Active Directory (AD) environments, you might experience issues where a client in one domain is not able to access a service in the other domain. Use the following diagrams to t... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/installing_trust_between_idm_and_ad/assembly_troubleshooting-client-access-to-services-in-the-other-forest_installing-trust-between-idm-and-ad |
Chapter 42. Hardware Enablement | Chapter 42. Hardware Enablement Trusted Computing Group TPM 2.0 System API library and management utilities available Two new packages have been added to Red Hat Enterprise Linux to support the Trusted Computing Group's Trusted Platform Module (TPM) 2.0 hardware as a Technology Preview: The tpm2-tss package adds the In... | null | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/7.4_release_notes/technology_previews_hardware_enablement |
Chapter 7. Adding Storage for Red Hat Virtualization | Chapter 7. Adding Storage for Red Hat Virtualization Add storage as data domains in the new environment. A Red Hat Virtualization environment must have at least one data domain, but adding more is recommended. Add the storage you prepared earlier: NFS iSCSI Fibre Channel (FCP) Red Hat Gluster Storage Important If you a... | null | https://docs.redhat.com/en/documentation/red_hat_virtualization/4.4/html/installing_red_hat_virtualization_as_a_self-hosted_engine_using_the_command_line/Adding_Storage_Domains_to_RHV_SHE_cli_deploy |
Chapter 8. Removing failed or unwanted Ceph Object Storage devices | Chapter 8. Removing failed or unwanted Ceph Object Storage devices The failed or unwanted Ceph OSDs (Object Storage Devices) affects the performance of the storage infrastructure. Hence, to improve the reliability and resilience of the storage cluster, you must remove the failed or unwanted Ceph OSDs. If you have any f... | [
"oc scale deployment rook-ceph-osd-<osd-id> --replicas=0",
"oc get deployment rook-ceph-osd-<osd-id> -oyaml | grep ceph.rook.io/pvc",
"oc delete -n openshift-storage pod rook-ceph-osd-prepare-<pvc-from-above-command>-<pod-suffix>",
"failed_osd_id=<osd-id> oc process -n openshift-storage ocs-osd-removal -p FAI... | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.13/html/troubleshooting_openshift_data_foundation/removing-failed-or-unwanted-ceph-object-storage-devices_rhodf |
Appendix A. Revision History | Appendix A. Revision History Revision History Revision 1-1.37 Thu Jan 21 2016 Lenka Spackova Added information about the removed systemtap-grapher package to the Deprecated Functionality Chapter. Revision 1-1.36 Wed Jun 04 2014 Miroslav Svoboda Republished to include the latest description changes in the RHSA-2014:0634... | null | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/6.4_technical_notes/appe-technical_notes-revision_history |
Chapter 2. Configuring an Azure account | Chapter 2. Configuring an Azure account Before you can install OpenShift Container Platform, you must configure a Microsoft Azure account to meet installation requirements. Important All Azure resources that are available through public endpoints are subject to resource name restrictions, and you cannot create resource... | [
"az login",
"az account list --refresh",
"[ { \"cloudName\": \"AzureCloud\", \"id\": \"8xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx\", \"isDefault\": true, \"name\": \"Subscription Name 1\", \"state\": \"Enabled\", \"tenantId\": \"6xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx\", \"user\": { \"name\": \"you@example.com\", \"type... | https://docs.redhat.com/en/documentation/openshift_container_platform/4.14/html/installing_on_azure/installing-azure-account |
11.5. Deploying ACME Responder | 11.5. Deploying ACME Responder Once you have configured the ACME responder, deploy it using the following command: This creates a deployment descriptor at /etc/pki/pki-tomcat/Catalina/localhost/acme.xml . The PKI server starts the ACME responder automatically after a few seconds, you do not need to restart the server. ... | [
"pki-server acme-deploy",
"curl -s -k https://USDHOSTNAME:8443/acme/directory | python -m json.tool { \"meta\": { \"caaIdentities\": [ \"example.com\" ], \"externalAccountRequired\": false, \"termsOfService\": \"https://example.com/acme/tos.pdf\", \"website\": \"https://www.example.com\" }, \"newAccount\": \"http... | https://docs.redhat.com/en/documentation/red_hat_certificate_system/10/html/planning_installation_and_deployment_guide/deploying_acme |
Chapter 16. Troubleshooting IdM client installation | Chapter 16. Troubleshooting IdM client installation The following sections describe how to gather information about a failing IdM client installation, and how to resolve common installation issues. 16.1. Reviewing IdM client installation errors When you install an Identity Management (IdM) client, debugging information... | [
"[user@server ~]USD sudo grep ScriptError /var/log/ipaclient-install.log [sudo] password for user: 2020-05-28T18:24:50Z DEBUG The ipa-client-install command failed, exception: ScriptError : One of password / principal / keytab is required.",
"[user@server ~]USD sudo less -N +G /var/log/ipaclient-install.log",
"... | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/installing_identity_management/troubleshooting-idm-client-installation_installing-identity-management |
Chapter 1. Upgrading a self-hosted engine environment | Chapter 1. Upgrading a self-hosted engine environment 1.1. Upgrading a self-Hosted engine from Red Hat Virtualization 4.3 to 4.4 Upgrading a self-hosted engine environment from version 4.3 to 4.4 involves the following steps: Upgrade Considerations When planning to upgrade, see Red Hat Virtualization 4.4 upgrade consid... | [
"yum install rhv-log-collector-analyzer",
"rhv-log-collector-analyzer --live",
"rhv-log-collector-analyzer --live --html=/ directory / filename .html",
"yum install -y elinks",
"elinks /home/user1/analyzer_report.html",
"rhv-image-discrepancies",
"Checking storage domain c277ad93-0973-43d9-a0ca-22199bc8... | https://docs.redhat.com/en/documentation/red_hat_virtualization/4.3/html/upgrade_guide/upgrading-self-hosted-engine-environment |
Chapter 289. Salesforce Component | Chapter 289. Salesforce Component Available as of Camel version 2.12 This component supports producer and consumer endpoints to communicate with Salesforce using Java DTOs. There is a companion maven plugin Camel Salesforce Plugin that generates these DTOs (see further below). Maven users will need to add the following... | [
"<dependency> <groupId>org.apache.camel</groupId> <artifactId>camel-salesforce</artifactId> <version>x.x.x</version> <!-- use the same version as your Camel core version --> </dependency>",
"salesforce:topic?options",
"salesforce:operationName?options",
"// in your Camel route set the header before Salesforce... | https://docs.redhat.com/en/documentation/red_hat_fuse/7.13/html/apache_camel_component_reference/salesforce-component |
Chapter 5. PersistentVolume [v1] | Chapter 5. PersistentVolume [v1] Description PersistentVolume (PV) is a storage resource provisioned by an administrator. It is analogous to a node. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes Type object 5.1. Specification Property Type Description apiVersion string APIVersion defines the... | null | https://docs.redhat.com/en/documentation/openshift_container_platform/4.13/html/storage_apis/persistentvolume-v1 |
Chapter 18. Upgrading to OpenShift Data Foundation | Chapter 18. Upgrading to OpenShift Data Foundation 18.1. Overview of the OpenShift Data Foundation update process This chapter helps you to upgrade between the minor releases and z-streams for all Red Hat OpenShift Data Foundation deployments (Internal, Internal-Attached and External). The upgrade process remains the s... | null | https://docs.redhat.com/en/documentation/red_hat_openshift_data_foundation/4.13/html/deploying_and_managing_openshift_data_foundation_using_google_cloud/upgrading-your-cluster_rhodf |
function::tz_gmtoff | function::tz_gmtoff Name function::tz_gmtoff - Return local time zone offset Synopsis Arguments None Description Returns the local time zone offset (seconds west of UTC), as passed by staprun at script startup only. | [
"tz_gmtoff()"
] | https://docs.redhat.com/en/documentation/Red_Hat_Enterprise_Linux/7/html/systemtap_tapset_reference/api-tz-gmtoff |
20.16.9.12. Specifying boot order | 20.16.9.12. Specifying boot order To specify the boot order, use a management tool to make the following changes to the domain XML: ... <devices> <interface type='network'> <source network='default'/> <target dev='vnet1'/> <boot order='1'/> </interface> </devices> ... Figure 20.49. Specifying boot order For hypervisors... | [
"<devices> <interface type='network'> <source network='default'/> <target dev='vnet1'/> <boot order='1'/> </interface> </devices>"
] | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/virtualization_administration_guide/sub-sub-section-libvirt-dom-xml-devices-network-interfaces-boot-order |
Chapter 15. Idling applications | Chapter 15. 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 sca... | [
"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/4.10/html/building_applications/idling-applications |
Chapter 7. Designing the Replication Process | Chapter 7. Designing the Replication Process Replicating the directory contents increases the availability and performance of the directory service. Chapter 4, Designing the Directory Tree and Chapter 6, Designing the Directory Topology cover the design of the directory tree and the directory topology. This chapter add... | null | https://docs.redhat.com/en/documentation/red_hat_directory_server/11/html/deployment_guide/Designing_the_Replication_Process |
Chapter 304. Simple Language | Chapter 304. Simple Language Available as of Camel version 1.1 The Simple Expression Language was a really simple language when it was created, but has since grown more powerful. It is primarily intended for being a really small and simple language for evaluating Expressions and Predicates without requiring any new dep... | [
"simple(\"USD{body.address}\") simple(\"USD{body.address.street}\") simple(\"USD{body.address.zip}\")",
"simple(\"USD{body.address}\") simple(\"USD{body.getAddress.getStreet}\") simple(\"USD{body.address.getZip}\") simple(\"USD{body.doSomething}\")",
"simple(\"USD{body?.address?.street}\")",
"simple(\"USD{bod... | https://docs.redhat.com/en/documentation/red_hat_fuse/7.13/html/apache_camel_component_reference/simple-language |
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