使用Docker官方yum源安装指定版本Docker的标准操作(2)

[root@ChatDevOps-01 ~]# yum -y install docker-ce-18.06.0.ce-3.el7
[root@ChatDevOps-01 ~]# docker version
Client:
 Version:          18.06.0-ce
 API version:      1.38
 Go version:        go1.10.3
 Git commit:        0ffa825
 Built:            Wed Jul 18 19:08:18 2018
 OS/Arch:          linux/amd64
 Experimental:      false
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

启动docker服务。

[root@ChatDevOps-01 ~]# systemctl status docker
● docker.service - Docker Application Container Engine
  Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled)
  Active: inactive (dead)
    Docs: https://docs.docker.com
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[root@ChatDevOps-01 ~]# systemctl start docker
[root@ChatDevOps-01 ~]# docker version
Client:
 Version:          18.06.0-ce
 API version:      1.38
 Go version:        go1.10.3
 Git commit:        0ffa825
 Built:            Wed Jul 18 19:08:18 2018
 OS/Arch:          linux/amd64
 Experimental:      false

Server:
 Engine:
  Version:          18.06.0-ce
  API version:      1.38 (minimum version 1.12)
  Go version:      go1.10.3
  Git commit:      0ffa825
  Built:            Wed Jul 18 19:10:42 2018
  OS/Arch:          linux/amd64
  Experimental:    false

将docker服务设置为开机启动。

[root@ChatDevOps-01 ~]# systemctl enable docker
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.

参考资料：
https://docs.docker.com/install/linux/docker-ce/centos/

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