查看自己yum源文件都有哪些
ls /etc/yum.repos.d/
yum源更改为阿里云的yum源
sudo wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
sudo wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
sudo yum clean all
sudo yum makecache
清空 iptables 规则
iptables -F
查看SELinux （Security Enhanced Linux）的当前执行模式是否是警用
getenforce
关闭警用防火墙
sudo systemctl stop firewalld
sudo systemctl disable firewalld
查看内核不能低于3.10
uname -r
下载阿里云docker专属repo仓库
curl -o /etc/yum.repos.d/docker-ce.repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
sudo yum clean all
sudo yum makecache
查看可以安装的docker版本
yum list docker-ce --showduplicates | sort -r
下载docker
sudo yum install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
配置docker加速器加速docker镜像下载
mkdir -p /etc/docker
touch /etc/docker/daemon.json
vim /etc/docker/daemon.json
添加内容
{ "registry-mirrors": [ "https://kuagwyga.mirror.aliyuncs.com" ] }
使配置文件生效,开机自启
systemctl daemon-reload
systemctl enable docker
systemctl restart docker
