【信息】系统版本 lsb_release -a

• Ubuntu / Debian

  lsb_release -a
  

  • 输出

    No LSB modules are available.
    Distributor ID: Ubuntu
    Description:    Ubuntu 20.04 LTS
    Release:        20.04
    Codename:       focal
    

• Red Hat / Centos / Fedora

  lsb_release -a
  

  • 输出

    LSB Version:    :core-4.1-amd64:core-4.1-noarch
    Distributor ID: CentOS
    Description:    CentOS Linux release 7.9.2009 (Core)
    Release:        7.9.2009
    Codename:       Core
    

  • 如果显示没有此指令（比如在Centos上），需要先安装

    yum install redhat-lsb-core