one. Docker installation update Yum yum update
The Docker.repo file is created because the default yum download Docker is not the latest version. It is not recommended to use DOCKER6 for installation, upgrade Docker, reference on DOCKER6: Docker upgrades on centos6.8. Vim/etc/yum.repos.d/docker.repo
The file itself does not exist, create and then add the following: Name=docker Repository baseurl=https://yum.dockerproject.org/repo/main/centos/7/enabled=1 Gpgcheck=1 GPGKEY=HTTPS://YUM.DOCKERPROJECT.ORG/GPG
Then install the Docker-engine installation Docker engine, which can also be used as an update to the Docker version: First #systemctl stop Docker stops Docker service, then #yum install Update the Docker version. Yum Install Docker-engine-y
Start Docker let Docker start with boot: Systemctl enable Docker.service
Start the Docker daemon: Systemctl start Docker
View Docker run Docker info
The above is installed:
two. Docker uninstall query installed packages Yum List installed | grep Docker
Remove installed packages separately yum-y Remove * * * *
Delete containers and mirrors, etc. rm-rf/var/lib/docker
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