🔧 Common DevOps Commands by Tool

🧱 Jenkins (CLI + Pipeline)

• jenkins-cli.jar -s http://localhost:8080 list-jobs

• build job-name -p PARAM=value

• groovy = println 'Hello from Groovy'

• pipeline { agent any; stages { stage('Build') { steps { sh 'make' } } } }

☁️ AWS CLI

• aws configure

• aws s3 ls

• aws ec2 describe-instances

• aws s3 cp file.txt s3://bucket-name/

• aws cloudformation deploy --template-file template.yml --stack-name mystack

☁️ Azure CLI

• az login

• az group create --name myResourceGroup --location eastus

• az vm create --resource-group myResourceGroup --name myVM --image UbuntuLTS

• az vm start --name myVM --resource-group myResourceGroup

☁️ GCP CLI (gcloud)

• gcloud init

• gcloud compute instances list

• gcloud app deploy

• gcloud container clusters get-credentials my-cluster --zone us-central1-a

🛠 Terraform

• terraform init

• terraform plan

• terraform apply

• terraform destroy

• terraform fmt

• terraform validate

⚙️ Ansible

• ansible -m ping all

• ansible-playbook site.yml

• ansible-inventory --list -y

• ansible-vault encrypt secrets.yml

🐳 Docker

• docker build -t myimage .

• docker run -d -p 80:80 myimage

• docker ps

• docker exec -it <container_id> /bin/bash

• docker-compose up

• docker login

• docker logout

☸ Kubernetes (kubectl)

• kubectl get pods

• kubectl logs pod-name

• kubectl describe pod pod-name

• kubectl apply -f deployment.yaml

• kubectl delete -f deployment.yaml

• kubectl scale deployment myapp --replicas=3

• kubectl rollout undo deployment myapp

📜 Git

• git init

• git clone repo-url

• git status

• git add .

• git commit -m "message"

• git push origin main

• git checkout -b new-branch

• git merge branch-name

• git rebase -i HEAD~3

🔐 Vault (HashiCorp)

• vault login

• vault kv put secret/mysecret password=123456

• vault kv get secret/mysecret

• vault kv delete secret/mysecret

📈 Prometheus

• Configuration file: prometheus.yml

• Run server: ./prometheus --config.file=prometheus.yml

📊 Grafana (CLI)

• grafana-cli plugins install grafana-piechart-panel

• systemctl restart grafana-server

🧪 Helm (Kubernetes Package Manager)

• helm repo add bitnami https://charts.bitnami.com/bitnami

• helm install myrelease bitnami/nginx

• helm upgrade myrelease bitnami/nginx

• helm rollback myrelease 1

• helm uninstall myrelease

🐙 GitHub Actions

• .github/workflows/main.yml for defining workflows

• Trigger manually via Actions UI or by git push

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Jenkins

• jenkins-cli.jar -s http://localhost:8080 build job-name -p PARAM=value

• jenkins-cli.jar -s http://localhost:8080 get-job job-name > job.xml

• jenkins-cli.jar -s http://localhost:8080 create-job job-name < job.xml

• jenkins-cli.jar -s http://localhost:8080 disable-job job-name

• jenkins-cli.jar -s http://localhost:8080 enable-job job-name

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AWS CLI

• aws ec2 start-instances --instance-ids i-1234567890abcdef0

• aws ec2 stop-instances --instance-ids i-1234567890abcdef0

• aws s3 sync ./localdir s3://mybucket --delete

• aws iam list-users

• aws logs describe-log-groups

• aws lambda invoke --function-name my-function response.json

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Azure CLI

• az vm list --output table

• az group delete --name myResourceGroup

• az acr login --name myregistry

• az aks get-credentials --resource-group myResourceGroup --name myAKSCluster

• az storage account create --name mystorageaccount --resource-group myResourceGroup --location eastus

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Google Cloud CLI (gcloud)

• gcloud compute ssh my-vm-instance

• gcloud container clusters create my-cluster --zone us-central1-a

• gcloud app logs tail -s default

• gcloud functions deploy my-function --runtime python39 --trigger-http

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Terraform

• terraform workspace new dev

• terraform workspace select prod

• terraform state list

• terraform import aws_instance.my_instance i-1234567890abcdef0

• terraform output

• terraform graph | dot -Tpng > graph.png

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Ansible

• ansible-playbook -i inventory.ini site.yml --check

• ansible all -m shell -a 'uptime'

• ansible-vault decrypt secrets.yml

• ansible-galaxy install geerlingguy.nginx

• ansible-playbook site.yml --tags "install"

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Docker

• docker images

• docker rm $(docker ps -aq) (remove all containers)

• docker rmi $(docker images -q) (remove all images)

• docker network ls

• docker volume ls

• docker logs -f container_id

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Kubernetes (kubectl)

• kubectl get svc

• kubectl get nodes

• kubectl exec -it pod-name -- /bin/bash

• kubectl port-forward svc/my-service 8080:80

• kubectl top node

• kubectl get events --sort-by='.metadata.creationTimestamp'

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Git

• git fetch origin

• git diff

• git stash

• git stash pop

• git cherry-pick <commit>

• git log --oneline --graph --all

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Helm

• helm list

• helm repo update

• helm get values myrelease

• helm history myrelease

• helm test myrelease

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Vault (HashiCorp)

• vault status

• vault policy list

• vault token create

• vault kv list secret/

• vault audit enable file file_path=/var/log/vault_audit.log

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