高可用k8s集群搭建：安装docker

系统要求

• 64位centos7系统

安装

• 删除旧版本安装yum remove docker docker-common docker-selinux docker-engine
• 安装依赖sudo yum install -y yum-utils device-mapper-persistent-data lvm2
• 安装 docker sudo yum install -y docker

配置

• 启动服务sudo service docker start
• 设置开机启动sudo systemctl enable docker
• 验证安装

  [niuhp@localhost ~]$ sudo docker version
  Client:
   Version:         1.12.6
   API version:     1.24
   Package version: docker-1.12.6-28.git1398f24.el7.centos.x86_64
   Go version:      go1.7.4
   Git commit:      1398f24/1.12.6
   Built:           Fri May 26 17:28:18 2017
   OS/Arch:         linux/amd64
  
  Server:
   Version:         1.12.6
   API version:     1.24
   Package version: docker-1.12.6-28.git1398f24.el7.centos.x86_64
   Go version:      go1.7.4
   Git commit:      1398f24/1.12.6
   Built:           Fri May 26 17:28:18 2017
   OS/Arch:         linux/amd64