Centos7 查看系统版本

如何查看 linux 内核版本及 linux 发行版（Redhat）

查看内核版本

1.1 uname命令

[root@local ~]# uname -a  //显示版本及相关内容
Linux local 3.10.0-862.el7.x86_64 #1 SMP Fri Apr 20 16:44:24 UTC 2018 x86_64 x86_64 
x86_64 GNU/Linux

[root@local ~]# uname -r //只显示版本信息
3.10.0-862.el7.x86_64

1.2 绝对路径 /proc/version

[root@local ~]# cat /proc/version

    Linux version 3.10.0-862.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4
.8.520150623 (Red Hat 4.8.5-28) (GCC) ) #1 SMP Fri Apr 20 16:44:24 UTC 2018

查看发行版本

2.1 lsb-release 命令

ps：如无此命令，请先安装yum -y redhat-lsb

[root@local ~]# lsb_release -a
--------省略-------
Distributor ID: CentOS
Description:    CentOS Linux release 7.5.1804 (Core) 
Release:    7.5.1804
Codename:   Core

2.2 使用绝对路径

/etc/os-release
/etc/redhat-release

[root@local ~]# cat /etc/redhat-release

CentOS Linux release 7.5.1804 (Core)