官方安装教程：https://docs.docker.com/engine/install/centos/
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<span style="font-size: 16px;"># <span style="color: rgba(128, 0, 128, 1);">1</span><span style="color: rgba(0, 0, 0, 1);">、yum包更新到最新 yum update # </span><span style="color: rgba(128, 0, 128, 1);">2</span>、安装需要的软件包，yum-util 提供yum-config-<span style="color: rgba(0, 0, 0, 1);">manager功能，另外两个是devicemapper驱动依赖的 yum install </span>-y yum-utils device-mapper-persistent-<span style="color: rgba(0, 0, 0, 1);">data lvm2 # </span><span style="color: rgba(128, 0, 128, 1);">3</span><span style="color: rgba(0, 0, 0, 1);">、设置yum源 yum</span>-config-manager --add-repo https:<span style="color: rgba(0, 128, 0, 1);">//</span><span style="color: rgba(0, 128, 0, 1);">download.docker.com/linux/centos/docker-ce.repo </span> # <span style="color: rgba(128, 0, 128, 1);">4</span><span style="color: rgba(0, 0, 0, 1);">、安装docker,出现输入的界面都按y yum install </span>-y docker-<span style="color: rgba(0, 0, 0, 1);">ce # </span><span style="color: rgba(128, 0, 128, 1);">5</span><span style="color: rgba(0, 0, 0, 1);">、查看docker版本，验证是否验证成功 docker </span>-v # 6、卸载docker systemctl stop docker yum remove docker-ce docker-ce-cli containerd.io rm -rf /var/lib/docker rm -rf /var/lib/containerd</span> |
docker -v出现以下界面说明安装成功
