CentOS 7部署Docker
安装docker请参考:centos7安装Docker
1.设置镜像
[[email protected] ~]# vim /etc/docker/daemon.json
填写:
{
"registry-mirrors": ["http://hub-mirror.c.163.com"]
}
2.开放管理端口映射
(1)修改/lib/systemd/system/docker.service文件
[[email protected] ~]# vim /lib/systemd/system/docker.service
将第13行的ExecStart=/usr/bin/dockerd,替换为:
ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock -H tcp://0.0.0.0:7654
2375是管理端口,7654是备用端口
(2)在~/.bashrc中写入docker管理端口
[[email protected] ~]# vim ~/.bashrc
export DOCKER_HOST=tcp://0.0.0.0:2375
source ~/.bashrc
3.重启docker
[[email protected] ~]# systemctl daemon-reload
[[email protected] ~]# systemctl restart docker.service
4.测试docker是否正常安装和运行
[[email protected] ~]# docker run hello-world
5.查看结果