Commands

Python commands

Execute	Command
Create virtual env	python -m venv venv
Activate virtual environment	Windows ./venv/bin/activate Linux source venv/bin/activate
Deactivate virtual environment	deactivate
Install requirements.txt	pip install -r requirements.txt
Create requirements.txt	pip freeze > requirements.txt
Upgrade a Package	pip install --upgrade <package-name>
List Installed Packages	pip list
Show Package Details	pip show <package-name>
Install package from git repository	pip install git+https://github.com/psf/requests.git
Configure Pip Settings	pip config set global.index-url https://pypi.org/simple

Docker commands

Category	Command
Image Management
Build an image from a Dockerfile	docker build -t <image_name> .
Build an image without cache	docker build -t <image_name> . --no-cache
List all images	docker images
Delete an image	docker rmi <image_name>
Remove all unused images	docker image prune
Delete all images	docker rmi $(docker images -q)
Tag an image	docker tag <image_id> <new_image_name:tag>
Pull an image from Docker Hub	docker pull <image_name>
Push an image to Docker Hub	docker push <image_name>
Container Management
Run a container	docker run <image_name>
Run and remove container on stop	docker run --rm -p 80:5001 <image_name>
Create and name a container	docker run --name <container_name> <image_name>
Run in the background (detached)	docker run -d <image_name>
Run with port mapping	docker run -p <host_port>:<container_port> <image_name>
Run with volume mapping	docker run -v <host_path>:<container_path> <image_name>
Start a container	docker start <container_name>
Stop a container	docker stop <container_name>
Restart a container	docker restart <container_name>
Kill a running container	docker kill <container_name>
Remove a stopped container	docker rm <container_name>
Remove all stopped containers	docker container prune
Container Inspection
List running containers	docker ps
List all containers	docker ps --all
Fetch logs	docker logs <container_name>
Follow logs in real-time	docker logs -f <container_name>
Inspect container details	docker inspect <container_name>
Check resource usage stats	docker container stats
Open a shell inside a container	docker exec -it <container_name> sh
Execute a command in container	docker exec -it <container_name> <command>
Network Management
List networks	docker network ls
Create a network	docker network create <network_name>
Inspect a network	docker network inspect <network_name>
Connect a container to a network	docker network connect <network_name> <container_name>
Disconnect a container from a network	docker network disconnect <network_name> <container_name>
Remove a network	docker network rm <network_name>
Volumes Management
List volumes	docker volume ls
Create a volume	docker volume create <volume_name>
Inspect a volume	docker volume inspect <volume_name>
Remove a volume	docker volume rm <volume_name>
Remove unused volumes	docker volume prune
Use a volume in a container	docker run -v <volume_name>:<path> <image_name>
System Cleanup
Remove unused objects	docker system prune
Clean unused volumes	docker volume prune
Clean unused images	docker image prune
Clean unused networks	docker network prune
Miscellaneous
Display Docker version	docker --version
Display system-wide information	docker info
Login to Docker Hub	docker login
Logout from Docker Hub	docker logout
Save an image to a tar file	docker save -o <filename.tar> <image_name>
Load an image from a tar file	docker load -i <filename.tar>
Export a container to a tar file	docker export <container_name> > <file.tar>
Import a tar file as an image	docker import <file.tar> <image_name>
Pause a container	docker pause <container_name>
Unpause a container	docker unpause <container_name>
Rename a container	docker rename <old_name> <new_name>
View Docker events	docker events

Git commands

Category	Command
Configuration
Set username	git config --global user.name "<User name>"
Set email	git config --global user.email "xyz123@gmail.com"
List configuration	git config --list
Set default editor	git config --global core.editor "<editor>"
Repository Initialization
Initialize repository	git init <Repo Name>
Clone repository	git clone <remote URL>
Clone specific branch	git clone -b <branch-name> <git-url>
Branch Management
Create branch	git branch <branch name>
List branches	git branch -a
Checkout branch	git checkout <branch name>
Create and switch to branch	git checkout -b <branch name>
Delete branch	git branch -d <branch name>
Force delete branch	git branch -D <branch name>
Rename branch	git branch -m <old branch name> <new branch name>
Delete remote branch	git push origin --delete <branch name>
Staging and Commit
Add specific files to stage	git add <filename> <filename>
Add all changes to stage	git add .
View status of changes	git status
Commit staged changes	git commit -m "Commit message"
Add and commit simultaneously	git commit -am "Commit message"
Amend last commit	git commit --amend
Undo staged changes	git reset
Unstage specific file	git reset <file_name>
Unstage file but keep changes	git reset HEAD <file_name>
Undo commit and keep changes	git reset HEAD~1
Undo commit and discard changes	git reset --hard HEAD~1
Pull and Push
Pull latest changes	git pull
Pull with rebase	git pull --rebase
Push changes	git push
Push specific branch	git push origin <branch name>
Set upstream branch	git push --set-upstream origin <branch name>
Merge and Revert
Merge branches	git merge <branch name>
Revert a commit	git revert <commit_hash>
Logs and History
View commit history	git log
View history with stats	git log --stat
View changes line by line	git blame <filename>
View changes between commits	git diff <commit1-sha> <commit2-sha>
View changes in branch comparison	git diff <branch1> <branch2>
Remote Management
View remotes	git remote -v
Add new remote	git remote add <name> <url>
Change remote URL	git remote set-url <name> <new-url>
Remove remote	git remote remove <name>
Fetch changes	git fetch
Cleaning and Optimization
Remove untracked files	git clean -fd
Remove untracked files and dirs	git clean -fdx
Prune remote-tracking branches	git remote prune origin
Optimize repository	git gc
Rebase and Cherry-Pick
Start rebase	git rebase <branch>
Abort rebase	git rebase --abort
Continue rebase after conflict	git rebase --continue
Cherry-pick a commit	git cherry-pick <commit-hash>
Tags
Create a tag	git tag <tag-name>
Create annotated tag	git tag -a <tag-name> -m "Tag message"
Push tags to remote	git push origin <tag-name>
List tags	git tag
Delete local tag	git tag -d <tag-name>
Delete remote tag	git push origin --delete <tag-name>
Miscellaneous
Stash changes	git stash
View stashes	git stash list
Apply last stash	git stash apply
Delete a stash	git stash drop <stash@{index}>
Create patch	git format-patch <commit-range>
Apply patch	git apply <patch-file>
Merge branch	vscode > git clone url git checkout main branch git pull git checkout feature branch git merge main_branch ## if you want to update feature branch with main ## you will get merge conflicts in vscode ## resolve merge conflicts git commit ##check branch name and commit to your feature branch git push feature branch
Clone other's code and push to your repo	git clone git remote -v git remote set-url origin <add-your-url> git remote -v git push origin

Kubernetes commands

Category	Command
Minikube Operations
Start Minikube	minikube start
Host Minikube dashboard	minikube dashboard
Get Minikube dashboard URL	minikube dashboard --url
Namespace Commands
Create a namespace	kubectl create namespace <namespace>
List all namespaces	kubectl get namespaces
Switch to a namespace	kubectl config set-context --current --namespace=<namespace>
Display pods in a namespace	kubectl get pods -n <namespace>
Delete all pods in a namespace	kubectl delete pods --all -n <namespace>
Deployment and Apply Commands
Create a deployment	kubectl create deployment <deployment-name> --image=<image-name>
Example	kubectl create deployment nginx-deploy --image=nginx
Deploy using a YAML file	kubectl apply -f <file.yaml>
Edit a deployment in VS Code	$env:KUBE_EDITOR="code --wait" > kubectl edit deployment <deployment-name>
Delete a deployment	kubectl delete deployment <deployment-name>
Scale a deployment	kubectl scale deployment <deployment-name> --replicas=<number>
Restart a deployment	kubectl rollout restart deployment <deployment-name>
Display Resource Information
Display nodes	kubectl get nodes
Display services	kubectl get services
Display pods	kubectl get pods
Display deployments	kubectl get deployments
Display ReplicaSets	kubectl get replicasets
Display config maps	kubectl get configmaps
Display storage classes	kubectl get storageclasses
Display CRDs	kubectl get crds
Display secrets	kubectl get secrets
Display Secret Provider class	kubectl get secretproviderclass
Display events	kubectl get events
Debug Commands
Describe a pod	kubectl describe pod <pod-name>
Describe a service	kubectl describe service <service-name>
Describe a config map	kubectl describe configmap <configmap-name>
Debug pod logs	kubectl logs <pod-name>
Debug pod logs with namespace	kubectl logs <pod-name> -n <namespace>
Debug init container logs	kubectl logs <pod-name> -c <init-container-name>
Debug pod status with wide view	kubectl get pods -o wide
Interact with a pod	kubectl exec -it <pod-name> -- /bin/bash
Copy files from a pod	kubectl cp <pod-name>:<path-in-pod> <local-path>
Port-forward to access a pod	kubectl port-forward <pod-name> <local-port>:<pod-port>
Apply and Manage Configurations
Apply a configuration file	kubectl apply -f <file.yaml>
Delete resources from a file	kubectl delete -f <file.yaml>
Check rollout status	kubectl rollout status deployment/<deployment-name>
Undo a rollout	kubectl rollout undo deployment/<deployment-name>
Clean-up Commands
Delete all pods	kubectl delete pods --all
Delete all resources in namespace	kubectl delete all --all -n <namespace>
Delete a resource	kubectl delete <resource-type> <resource-name>
Force delete a pod	kubectl delete pod <pod-name> --grace-period=0 --force
Miscellaneous Commands
Check cluster info	kubectl cluster-info
Check current context	kubectl config current-context
List all contexts	kubectl config get-contexts
Set a default namespace for a context	kubectl config set-context --current --namespace=<namespace>
View resource usage	kubectl top nodes
Monitor pod resource usage	kubectl top pods -n <namespace>

Helm commands

Execute	Command
Helm repo add bitnami	helm repo add bitnami https://charts.bitnami.com/bitnami
Helm repo update	helm repo update
Helm repo list	helm repo list
Minikube start	minikube start
Kubectl create namespace	kubectl create ns "namespace"
Helm install kube-state-metrics	helm install kube-state-metrics bitnami/kube-state-metrics -n metrics
Helm create chart	helm create "chart-name"
Helm lint	helm lint .
Helm template with debug	helm template --dry-run --debug "release-name" .
Helm install status	helm ls -n "namespace"
Kubectl get all	kubectl get all -n "namespace"
Helm install with namespace	helm install demo-001 . -n development
Helm upgrade	helm upgrade "release-name" .
Helm upgrade with namespace	helm upgrade demo-001 . -n development
Helm history	helm history "release-name"
Helm rollback	helm rollback "release-name"
Helm rollback with revision	helm rollback "release-name" "revision-number"
Helm upgrade with specific version	helm upgrade kube-state-metrics bitnami/kube-state-metrics --version 0.4.0 -n metrics
Helm delete	helm delete "release-name"
Helm install with updated values	helm install "release-name" --set data.type="9090"
Kubectl port-forward for kube-state-metrics	kubectl port-forward svc/kube-state-metrics 8080:8080 -n metrics
Helm show chart	helm show chart bitnami/kube-state-metrics
Helm show values	helm show values bitnami/kube-state-metrics
Helm uninstall	helm uninstall "release-name" . -n "namespace"

Openshift commands

Execute	Command
OpenShift login	oc login
Create new project	oc new-project <project-name>
Switch to specific project	oc project <project-name>
Check the project name	oc project
Current status of project	oc status
Display pods	oc get pods
Describe pod	oc describe pod <pod-name>
Display logs	oc logs <pod-name>
Display service of project	oc get svc
Display specific service of project	oc describe svc <service-name>
Expose a service to the internet	oc expose svc <service-name>
Delete a specific service.	oc delete svc <service-name>
Create new application	oc new-app
Edit a deployment configuration	oc edit dc <deployment-config>
Scale a deployment configuration	oc scale dc <deployment-config> --replicas=<number>
Rollout to latest version of deployment configuration	oc rollout latest <deployment-config>

Terraform

Category	Command
General Commands
Terraform version	terraform --version
Terraform help	terraform --help
Formatting Commands
Format files	terraform fmt
Format files recursively	terraform fmt --recursive
Show format changes	terraform fmt --diff
Check formatting	terraform fmt --check
Initialization Commands
Initialize project	terraform init
Initialize without plugins	terraform init -get-plugins=false
Initialize without state lock	terraform init -lock=false
Migrate state to backend	terraform init -migrate-state
Reconfigure backend	terraform init -reconfigure
Upgrade modules and providers	terraform init -upgrade
Module Commands
Download modules	terraform get
Update modules	terraform get -update
Validation Commands
Validate configuration	terraform validate
Validate in JSON format	terraform validate -json
Planning Commands
Generate execution plan	terraform plan
Save execution plan to file	terraform plan -out=<path>
Plan for destruction	terraform plan -destroy
Plan with variables	terraform plan -var="key=value"
Plan with variable file	terraform plan -var-file="filename.tfvars"
Plan with refresh disabled	terraform plan -refresh=false
Apply Commands
Apply changes	terraform apply
Auto-approve apply	terraform apply --auto-approve
Apply with variables	terraform apply -var="key=value"
Apply with variable file	terraform apply -var-file="filename.tfvars"
Apply a saved plan	terraform apply <plan file>
Destruction Commands
Destroy resources	terraform destroy
Auto-approve destroy	terraform destroy --auto-approve
Destroy with variables	terraform destroy -var="key=value"
Destroy with variable file	terraform destroy -var-file="filename.tfvars"
State Management Commands
Display state	terraform show
Display state file	terraform show <statefile>
Refresh state	terraform refresh
List resources in state	terraform state list
Push state to backend	terraform state push
Remove resource from state	terraform state rm <resource>
Move resource in state	terraform state mv <src> <dest>
Lock state	terraform force-unlock <lock ID>
Import resource to state	terraform import <address> <resource ID>
Show resource state details	terraform state show <resource>
Resource Lifecycle Commands
Force resource recreation	terraform taint <resource>
Remove taint from resource	terraform untaint <resource>
Provider Commands
List providers	terraform providers
Workspace Commands
List workspaces	terraform workspace list
Show current workspace	terraform workspace show
Create a new workspace	terraform workspace new <workspace>
Delete a workspace	terraform workspace delete <workspace>
Select a workspace	terraform workspace select <workspace>
Debugging Commands
Debug a command	terraform -debug <command>
Show logs	TF_LOG=<level> terraform <command>
Enable detailed logs	TF_LOG=TRACE terraform <command>
Miscellaneous Commands
Create graph of resources	terraform graph
Generate graph to file	terraform graph \ dot -Tpng > graph.png
Output resource values	terraform output
Output specific value	terraform output <output name>
Suppress colored output	terraform <command> -no-color
Show available providers	terraform providers schema