1. docker安装

1.1 卸载系统之前的docker

  1. yum remove docker \
  2. docker-client \
  3. docker-client-latest \
  4. docker-common \
  5. docker-latest \
  6. docker-latest-logrotate \
  7. docker-logrotate \
  8. docker-engine

1.2 安装docker CE

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

1.3 设置repo yum位置

sudo yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo

1.4 安装docker

yum install -y docker-ce docker-ce-cli containerd.io

1.5 配置docker加速

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://bl0ccm0u.mirror.aliyuncs.com"] //此地址配置自己阿里云的加速地址
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker

image.png

1.6 设置开机自启动

systemctl enable docker