Start Docker:
systemctl start docker
Check Docker Version:
docker --version
WORKING WITH CONTAINERS
List Running Containers:
docker ps
List All Containers (Running + Stopped):
docker ps -a
Run a Container (starts and attaches):
docker run <image_name>
Run in Detached Mode:
docker run -d <image_name>
Run with Port Mapping:
docker run -p <host_port>:<container_port> <image_name>
Stop a Running Container:
docker stop <container_id>
Start a Stopped Container:
docker start <container_id>
Remove a Stopped Container:
docker rm <container_id>
IMAGES
List Docker Images:
docker images
Pull an Image from Docker Hub:
docker pull <image_name>
Build an Image from Dockerfile:
docker build -t <image_name> .
Tag an Image:
docker tag <image_id> <new_image_name>:<tag>
Remove an Image:
docker rmi <image_id>
CONTAINER MANAGEMENT
View Logs of a Container:
docker logs <container_id>
Access a Running Container (Interactive Shell):
docker exec -it <container_id> /bin/bash
Copy Files from Container to Host:
docker cp <container_id>:<path_inside_container> <host_path>
DOCKER NETWORKS
List Networks:
docker network ls
Create a Network:
docker network create <network_name>
Connect a Running Container to a Network:
docker network connect <network_name> <container_id>
DOCKER COMPOSE
Start Services in Detached Mode:
docker-compose up -d
Stop Services:
docker-compose down
Build and Start Containers:
docker-compose up --build
INSPECTING AND MONITORING
Inspect Container Details:
docker inspect <container_id>
Display Resource Usage (CPU, Memory):
docker stats
VOLUMES
List Volumes:
docker volume ls
Create a Volume:
docker volume create <volume_name>
Mount a Volume (during docker run):
docker run -v <volume_name>:<path_inside_container> <image_name>