docker安装

系统环境：centos7版本
[root@panfeng ~]# cat /etc/redhat-release
CentOS Linux release 7.5.1804 (Core)
[root@panfeng ~]#

内核版本：
[root@panfeng ~]# uname -r
3.10.0-862.el7.x86_64
[root@panfeng ~]#
关闭selinux
[root@panfeng ~]# getenforce
Permissive
[root@panfeng ~]#
临时关闭selinux
[root@panfeng ~]# setenforce 0
[root@panfeng ~]# getenforce
Permissive
[root@panfeng ~]#
永久关不selinux
1、执行临时关闭selinux
2、修改selinux配置文件
[root@panfeng ~]# sed -i 's#SELINUX=enforcing#SELINUX=disabled#g' /etc/sysconfig/selinux
centos7关闭防火墙
[root@panfeng ~]# systemctl stop firewalld
移除开机自启动
[root@panfeng ~]# systemctl disable firewalld
Removed symlink /etc/systemd/system/multi-user.target.wants/firewalld.service.
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
[root@panfeng ~]#
安装docker-ce
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum -y install docker-ce
service docker start 或者 systemctl start docker
docker-ce开机自启动
systemctl enable docker
docker版本查看
[root@panfeng ~]# docker version
Client:
Version: 18.06.0-ce 当前版本18
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
[root@panfeng ~]#