docker 常用命令

1.查看已安装的docker

yum list installed|grep docker

2.卸载查询出来的docker

根据上面查询出来 如有多个就写多次

yum remove containerd.io.x86_64
yum remove docker*

3.删除容器镜像文件

rm -rf /var/lib/docke

3. 更新yum

sudo yum update
sudo yum install -y yum-utils device-mapper-persistent-data lvm2

4. 安装docker

sudo yum install -y docker-ce

5. 查看docker是否安装成功

docker -v

6. 设置目录

mkdir /etc/docker

7. 编辑文件

vi /etc/docker/daemon.json

8. 插入内容

{
"registry-mirrors": ["https://docker.mirrors.ustc.edu.cn"]
}

9. 启动与停止docker

//启动docker服务
systemctl start docker
//停止docker服务
systemctl stop docker

10.查看状态与重启

//重启docker服务
systemctl restart docker
//查看docker状态:
systemctl status docker

11. 开机自启动docker服务:

systemctl enable docker
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