Docker Intall and Configure • Yalso

Uninstall Docker

0、Stop Docker service

sudo systemctl stop docker docker.socket

1、Finding residual Docker packages

dpkg -l | grep docker

2、Manually Uninstall these packages

sudo apt-get purge -y <package-name>

3、Check Docker service

systemctl list-units --type=service | grep docker

sudo systemctl stop docker
sudo systemctl disable docker

4、Manually Delete all Docker related files

sudo rm -rf /var/lib/docker
sudo rm -rf /var/lib/containerd
sudo rm -rf /etc/docker
sudo rm -rf /etc/systemd/system/docker.service
sudo rm -rf /etc/systemd/system/docker.socket
sudo rm -rf /usr/bin/docker
sudo rm -rf /usr/local/bin/docker-compose

5、Run autoremove again to clean up dependencies

sudo apt-get autoremove -y
sudo apt-get autoclean

6、Verify Uninstall status

docker version

Install Docker

sudo apt install docker.io
sudo apt install docker-compose

Q1: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get “http://%2Fvar%2Frun%2Fdocker.sock/v1.24/version”: dial unix /var/run/docker.sock: connect: permission denied

View the current user groups

cat /etc/group

If the docker group does not exist, we need to add new user group

sudo groupadd docker

Add current user to the docker group

sudo gpasswd -a $USER docker
or
sudo usermod -aG docker username

Update user group

newgrp docker

Verify

docker stats

Using Docker

Import a local image

docker import /path/to/image.tar repository:tag

Pull a image

docker pull dockerpull.com/ubuntu:18.04

Create a container

# A container with name ubuntu2204 will be created.
docker run -it --name ubuntu2204 ubuntu:22.04

# Mount the directory into the container
docker run -d --name ubuntu1804polar -v /home/sd414/zwj/:/root/data/ 924dea5eaa78 /bin/bash

# Using GPU and setting share memory size
docker run -d --gpus all --shm-size=32g --name polarmaskzwj -v /home/sd414/zwj/:/root/data/ 8851db300ab5 tail -f /dev/null

Open terminal from the container

docker exec -it my_ubuntu_container /bin/bash

Install Qinglong Panel

docker run -dit \
-v $PWD/ql/config:/ql/config \
-v $PWD/ql/log:/ql/log \
-v $PWD/ql/db:/ql/db \
-v $PWD/ql/scripts:/ql/scripts \
-p 5700:5700 \
--name qinglong \
--hostname qinglong \
--restart always \
docker.5z5f.com/whyour/qinglong:2.11.3

配置CloudFlare Tunnel

# Docker Configure by docker compose
version: '3'

services:
  cloudflared:
    image: cloudflare/cloudflared
    container_name: cloudflared
    restart: always
    network_mode: host
    command: tunnel --no-autoupdate run --token ****

# Run Container
docker compose -f docker-compopse.yml up -d