docker的卸载及重新安装方法

rpm list installed|grep docker

rpm -qa|grep docker //查看已经安装的docker安装包,列出入校内容 docker.x86_64 2:1.12.6-16.el7.centos @extras docker-client.x86_64 2:1.12.6-16.el7.centos @extras docker-common.x86_64 2:1.12.6-16.el7.centos @extra

yum -y remove docker.x86_64 yum -y remove docker-client.x86_64 yum -y remove docker-common.x86_64

rm -rf /var/lib/docker

yum update //确保yum包最新

yum install -y yum-utils

yum install -y device-mapper-persistent-data

yum install -y lvm2

yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo //注意,以上为设置yum源,从Docker官方地址下载安装包 yum list docker-ce --showduplicates | sort -r //查看仓库中所有的docker版本 yum install docker-ce(默认安装)或 yum install docker-ce-17.12.0.ce(注:17.12.0是版本号,可根据列表选择)

[root@localhost softs]# systemctl enable docker [root@localhost softs]# systemctl start docker