Linux CentOS 7安装docker 及docker-compose

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安装Docker

1.安装yum源 docker的 
wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -O /etc/yum.repos.d/docker-ce.repo

2.安装docker  这个命令 手敲 或者复制到本地 去掉空格后 重写加空格 有可能会有乱码的情况 
yum -y install docker-ce-18.06.1.ce-3.el7

3.启动docker 
systemctl enable docker && systemctl start docker

4.效验安装
docker -version

5.配置镜像加速
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://s58kvsxw.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker

安装docker-compose

1.安装epel-release 
sudo yum -y install epel-release 
2.直接安装 
yum install docker-compose