一、docker安裝步驟
1、移除舊的docker
yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-engine
2、配置阿里雲的docker倉庫
yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
dnf install https://mirrors.aliyun.com/docker-ce/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.13-3.1.el7.x86_64.rpm
dnf install docker-ce
3、下載docker-ce的repo
curl https://download.docker.com/linux/centos/docker-ce.repo -o /etc/yum.repos.d/docker-ce.repo
dnf -y install docker-ce docker-ce-cli --nobest
4、啟動docker
systemctl start docker
docker -v
5、設置開機自啟動
systemctl enable --now docker
二、docker 命令
docker images
三、docker操作
1、拉取鏡像
docker pull docker.elastic.co/elasticsearch/elasticsearch:8.5.0