Quick Setup and Basic Containers with Podman
🐳 Container Management
Pull and Run Containers
podman pull nginx:latest
podman run -d --name webserver nginx
podman run -d --name db -e POSTGRES_PASSWORD=test postgres
Basic Operations
podman ps -a # List all containers
podman start/stop webserver # Start or stop a container
podman restart webserver # Restart a container
podman rm webserver # Remove a container
Logs and monitoring
podman logs webserver
podman logs -f webserver
podman stats
podman top webserver
🌐 Network Setup
Network isolation and container communication.
Network basics
podman network ls
podman network create my_net
podman network inspect my_net
Container Networking
podman run -d --name web --network my_net -p 8080:80 nginx
podman run -d --name api --network my_net -p 8000:8000 python-app
Network operations
podman network connect my_net container_name
podman network disconnect my_net container_name
podman port web
📦 Volume Management
Volume operations
podman volume create data_vol # Create a volume
podman volume ls # List volumes
podman volume inspect data_vol # Inspect a volume
Mount Volumes
podman run -v data_vol:/data nginx
podman run -v /host/path:/container/path nginx
podman run --mount type=volume,source=data_vol,target=/data nginx
Copy Data
podman cp container:/src/path /dest/path # Copy from container to host
podman cp /src/path container:/dest/path # Copy from host to container
⚙️ Resource Control
Memory limits
podman run --memory 512m nginx # Limit memory usage
podman run --memory-swap 1g nginx # Limit memory and swap
CPU limits
podman run --cpus 0.5 nginx # Restrict CPU usage
podman run --cpu-shares 512 nginx # Set CPU shares
Process limits
podman run --pids-limit 100 nginx # Limit number of processes
podman run --ulimit nofile=1024:1024 nginx # Limit open files
🛠️ Runtime Management
System Maintenance
podman info # View system information
podman system df # Show disk usage
podman system prune -a # Remove unused data
Container Updates
podman pull nginx:latest # Update image
podman container checkpoint my-container # Save container state
podman container restore my-container # Restore container state
Security Checks
podman image verify nginx:latest # Verify image signature
podman generate systemd --name web > container-web.service
📘 Tip: Keep Exploring!
For more details, check out the https://podman.io/