Docker基本操作

curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun

curl -sSL https://get.daocloud.io/docker | sh

# 设置仓库
sudo yum install -y yum-utils
sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo
# 安装Docker Engine
sudo yum install docker-ce docker-ce-cli containerd.io
# 列出所有版本的Docker Engine
yum list docker-ce --showduplicates | sort -r
# 安装指定版本的
sudo yum install docker-ce-18.09.1 docker-ce-cli-18.09.1 containerd.io
# 启动docker
sudo systemctl start docker
# 验证docker是否正确安装，通过运行hello-world镜像
sudo docker run hello-world

# 安装当前目录下的docker-ce-20.10.9-3.el7.x86_64.rpm
sudo yum install ./docker-ce-20.10.9-3.el7.x86_64.rpm
# 启动docker
sudo systemctl start docker
# 验证docker是否正确安装，通过运行hello-world镜像
sudo docker run hello-worl

sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine

# 卸载
sudo yum remove docker-ce docker-ce-cli containerd.io

# 删除指定的目录
sudo rm -rf /var/lib/docker
sudo rm -rf /var/lib/containerd

systemctl start docker

systemctl enable docker

docker version

docker pull [镜像名称]

# eg：
docker pull ubuntu

docker run -it [镜像名称] bash

docker ps -a

docker start [容器ID]

docker stop [容器ID]

docker exec -it [容器ID] /bin/bash

docker export [容器ID] > [导出名称]

docker import [容器快照名]
or
# 通过指定 URL 或者某个目录来导入
docker import http://example.com/exampleimage.tgz example/imagerepo

docker rm -f [容器ID]

{"registry-mirrors":["https://reg-mirror.qiniu.com/"]}

systemctl restart docker

docker info