Centos7 Docker安装部署

1、系统环境：centos7版本

[root@panfeng ~]# cat /etc/redhat-release 
 CentOS Linux release 7.5.1804 (Core) 
[root@panfeng ~]#

2、内核版本：

[root@panfeng ~]# uname -r
3.10.0-862.el7.x86_64
[root@panfeng ~]#

3、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

4、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 ~]#

5、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 ~]#