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Chapter 5. Administrator CLI Operations
5.1. Overview Link kopierenLink in die Zwischenablage kopiert!
This topic provides information on the administrator CLI operations and their syntax. You must setup and login with the CLI before you can perform these operations.
The openshift command is used for starting services that make up the OpenShift Container Platform cluster. For example, openshift start [master|node]. However, it is also an all-in-one command that can perform all the same actions as the oc and oc adm commands via openshift cli and openshift admin respectively.
The administrator CLI differs from the normal set of commands under the developer CLI, which uses the oc command, and is used more for project-level operations.
5.2. Common Operations Link kopierenLink in die Zwischenablage kopiert!
The administrator CLI allows interaction with the various objects that are managed by OpenShift Container Platform. Many common oc adm operations are invoked using the following syntax:
$ oc adm <action> <option>
This specifies:
-
An
<action>to perform, such asnew-projectorgroups. -
An available
<option>to perform the action on as well as a value for the option. Options include--output.
When running oc adm commands, you should run them only from the first master listed in the Ansible host inventory file, by default /etc/ansible/hosts.
5.3. Basic CLI Operations Link kopierenLink in die Zwischenablage kopiert!
5.3.1. new-project Link kopierenLink in die Zwischenablage kopiert!
Creates a new project:
$ oc adm new-project <project_name>
5.3.2. policy Link kopierenLink in die Zwischenablage kopiert!
Manages authorization policies:
$ oc adm policy
5.3.3. groups Link kopierenLink in die Zwischenablage kopiert!
Manages groups:
$ oc adm groups
5.4. Install CLI Operations Link kopierenLink in die Zwischenablage kopiert!
5.4.1. router Link kopierenLink in die Zwischenablage kopiert!
Installs a router:
$ oc adm router <router_name>
5.4.2. ipfailover Link kopierenLink in die Zwischenablage kopiert!
Installs an IP failover group for a set of nodes:
$ oc adm ipfailover <ipfailover_config>
5.4.3. registry Link kopierenLink in die Zwischenablage kopiert!
Installs an integrated container image registry:
$ oc adm registry
5.5. Maintenance CLI Operations Link kopierenLink in die Zwischenablage kopiert!
5.5.1. build-chain Link kopierenLink in die Zwischenablage kopiert!
Outputs the inputs and dependencies of any builds:
$ oc adm build-chain <image_stream>[:<tag>]
5.5.2. manage-node Link kopierenLink in die Zwischenablage kopiert!
Manages nodes. For example, list or evacuate pods, or mark them ready:
$ oc adm manage-node
5.5.3. prune Link kopierenLink in die Zwischenablage kopiert!
Removes older versions of resources from the server:
$ oc adm prune
5.6. Settings CLI Operations Link kopierenLink in die Zwischenablage kopiert!
5.6.1. config Link kopierenLink in die Zwischenablage kopiert!
Changes kubelet configuration files:
$ oc adm config <subcommand>
5.6.2. create-kubeconfig Link kopierenLink in die Zwischenablage kopiert!
Creates a basic .kubeconfig file from client certificates:
$ oc adm create-kubeconfig
5.6.3. create-api-client-config Link kopierenLink in die Zwischenablage kopiert!
Creates a configuration file for connecting to the server as a user:
$ oc adm create-api-client-config
5.7. Advanced CLI Operations Link kopierenLink in die Zwischenablage kopiert!
5.7.1. create-bootstrap-project-template Link kopierenLink in die Zwischenablage kopiert!
Creates a bootstrap project template:
$ oc adm create-bootstrap-project-template
5.7.2. create-bootstrap-policy-file Link kopierenLink in die Zwischenablage kopiert!
Creates the default bootstrap policy:
$ oc adm create-bootstrap-policy-file
5.7.3. create-login-template Link kopierenLink in die Zwischenablage kopiert!
Creates a login template:
$ oc adm create-login-template
5.7.4. create-node-config Link kopierenLink in die Zwischenablage kopiert!
Creates a configuration bundle for a node:
$ oc adm create-node-config
5.7.5. ca Link kopierenLink in die Zwischenablage kopiert!
Manages certificates and keys:
$ oc adm ca