linux查看系统版本

 

 RHEL7.0以下，查看系统版本的方式：

[rusky@rheltest1 ~]$ cat /proc/version

Linux version 2.6.-.el6.x86_64 ([email protected]) (gcc version 4.4.  (Red Hat 4.4.-) (GCC) ) # SMP Wed Jun  :: EDT

[rusky@rheltest1 ~]$ uname -a

Linux rheltest1.com 2.6.-.el6.x86_64 # SMP Wed Jun  :: EDT  x86_64 x86_64 x86_64 GNU/Linux

[rusky@rheltest1 ~]$ lsb_release -a

LSB Version:    :core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch

Distributor ID: RedHatEnterpriseServer

Description:    Red Hat Enterprise Linux Server release 6.3 (Santiago)

Release:        6.3

Codename:       Santiago

[rusky@rheltest1 ~]$ cat /etc/issue

Red Hat Enterprise Linux Server release 6.3 (Santiago)

Kernel \r on an \m

[rusky@rheltest1 ~]$ cat /etc/redhat-release

Red Hat Enterprise Linux Server release 6.3 (Santiago)

[rusky@rheltest1 ~]$ 

RHEL7版本中的新命令hostnamectl:

hostnamectl status这个命令很实用，主机名、操作系统版本、内核版本、系统架构...一个命令搞定。

[root@rhel7 ~]# hostnamectl status

   Static hostname: rhel7.com

         Icon name: computer-vm

           Chassis: vm

        Machine ID: c9e1b1f7c9514da7a2e9448646555486

           Boot ID: 210401bc6bae46d5a5104eb767e42934

    Virtualization: kvm

  Operating System: Red Hat Enterprise Linux Server 7.2 (Maipo)

       CPE OS Name: cpe:/o:redhat:enterprise_linux:7.2:GA:server

            Kernel: Linux 3.10.-.el7.x86_64

      Architecture: x86-

[root@rhel7 ~]#