ubuntu安装docker

# 卸载 Docker
sudo apt-get remove docker docker-engine docker.io containerd runc
sudo apt-get purge docker-ce docker-ce-cli containerd.io

# 重新安装 Docker
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io

查看docker版本
docker -v

查看docker是否运行
systemctl status docker


配置国内镜像加速器

{
"registry-mirrors": [
"https://docker.m.daocloud.io",
"https://docker.imgdb.de",
"https://docker-0.unsee.tech",
"https://docker.hlmirror.com",
"https://docker.1ms.run",
"https://func.ink",
"https://lispy.org",
"https://docker.xiaogenban1993.com"
]
}

# 重新加载配置并重启 Docker
sudo systemctl daemon-reload
sudo systemctl restart docker

# 验证是否能拉取成功
sudo docker pull hello-world