Prerequisites for installation docker
1) turn off the firewall and selinux system
2) time synchronization system
3) The system must be more than centos7
Removing the old version
yum the Remove docker docker docker-Client-Client-Latest-the Common docker docker docker-Latest-Latest-logrotate logrotate docker docker-Engine-
yum install docker source of
yum install -y yum-utils device- mapper-persistent- LVM2 Data
yum-config-Manager---add the repo https://download.docker.com/linux/centos/docker-ce.repo
mounted Docker
yum the install Docker-CE
starts and added startup
systemctl start Docker
systemctl Docker enable
verification whether the installation was successful (there are two parts, client service and installation start indicate docker are successful)
docker Version
docker info
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yum install some of the default directory docker
docker default data storage directory / var / lib / docker /
default address Registry warehouse: https://index.docker.io/v1/
The default mirrored drive Storage Driver: overlay2