linux安装docker

docker安装

(前提安装contos7且能上网)

1 yum安装gcc相关

(1) yum -y install gcc
(2) yum -y install gcc-c++

2 安装需要的软件包

yum install -y yum-utils

3 设置stable镜像仓库

yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

4 更新yum软件软件包索引

yum makecache fast

5 安装DOCKER CE

yum -y install docker-ce docker-ce-cli containerd.io
#如果报[Errno 256] No more mirrors to try,就再重复执行下这个命令

6 启动docker并测试

(1) systemctl start docker
(2) docker version

7 卸载docker

(1) systemctl stop docker
(2) yum remove docker-ce docker-ce-cli containerd.io
(3) rm -rf /var/lib/docker
(4) rm -rf /var/lib/containerd

8 阿里云镜像服务加速

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["阿里云加速地址"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker