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Most-used commands

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Connection

oc login Authenticate with an OpenShift cluster oc logout Log out of current session oc whoami Show current logged in user oc status Show a high-level overview of the current project

Project Management

oc project Switch to a project oc new-project Create a new project oc get projects List all projects oc delete project Delete a project

Resource Management

oc get List resources (pods, services, deployments, etc.) oc get -o yaml Describe a resource in YAML format oc describe Show detailed information about a resource oc edit Edit a resource oc delete Delete a resource

Pod Operations

oc get pods List pods in current project oc logs View pod logs oc logs -f Stream pod logs oc exec -it -- Execute command in a pod oc rsh Open a remote shell into a pod oc port-forward : Forward local port to pod port

Deployment Operations

oc rollout status deployment/ Check deployment status oc rollout history deployment/ View deployment history oc rollout undo deployment/ Rollback to previous deployment oc scale deployment/ --replicas= Scale deployment

Resource Creation

oc create -f Create resource from file oc apply -f Create or update resource from file oc new-app Create a new application oc start-build Start a new build

Observability

oc get events List events in current project oc adm top nodes Show CPU/memory usage of nodes oc adm top pods Show CPU/memory usage of pods oc get routes List routes (ingress points)

Troubleshooting

oc debug node/ Debug a node oc debug deployment/ Debug a deployment oc get nodes List nodes and their status oc adm diagnostics Run diagnostics oc get pod -o yaml Get pod definition for troubleshooting