CentOS 7 中 Docker 的安装
Docker 软件包已经包括在默认的 CentOS-Extras 软件源(联网使用centos7u2自带网络Yum源)里。因此想要安装 docker,只需要运行下面的 yum 命令:
# yum install docker
启动 Docker 服务:
CentOS 6
# service docker start
# chkconfig docker on
CentOS 7
# systemctl start docker.service
# systemctl enable docker.service
确定docker服务在运行:
- 结果会显示服务端和客户端的版本,如果只显示客户端版本说明服务没有启动
[root@docker1 yum]# docker version
Client:
Version: 1.10.3
API version: 1.22
Package version: docker-common-1.10.3-46.el7.centos.14.x86_64
Go version: go1.6.3
Git commit: cb079f6-unsupported
Built: Fri Sep 16 13:24:25 2016
OS/Arch: linux/amd64
Server:
Version: 1.10.3
API version: 1.22
Package version: docker-common-1.10.3-46.el7.centos.14.x86_64
Go version: go1.6.3
Git commit: cb079f6-unsupported
Built: Fri Sep 16 13:24:25 2016
OS/Arch: linux/amd64
查看docker基本信息:
# docker info
校验Docker的安装
[root@master ~]# docker run -it ubuntu bash
Unable to find image 'ubuntu:latest' locally
Trying to pull repository daocloud.io/ubuntu ...
latest: Pulling from daocloud.io/ubuntu
22ecafbbcc4a: Pull complete
580435e0a086: Pull complete
Digest: sha256:80c2902178d79f439b13c5a244f3b1ef67ca890dbbe58d19caa13301ca56a505
- 如果自动进入下面的容器环境,说明ubuntu镜像运行成功,Docker的安装也没有问题:可以操作容器了
root@50a0449d7729:/# pwd
/
root@50a0449d7729:/# ls
bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var