升级CentOS7.4

• 自己电脑上的系统还是CentOS7.2,服务器是CentOS7.3, 打算统统升级到最新版

• 升级前查看

  > lsb_release -a  LSB Version:    :core-4.1-amd64:core-4.1-noarch
  Distributor ID: CentOS Description:    CentOS Linux release 7.3.1611 (Core) Release: 7.3.1611 Codename:   Core

• 升级命令(需要root权限)

  yum clean all
  yum update

• 升级后查看

  > lsb_release -a LSB Version:    :core-4.1-amd64:core-4.1-noarch
  Distributor ID: CentOS Description:    CentOS Linux release 7.4.1708 (Core) Release: 7.4.1708 Codename:   Core