1、查看內核版本命令：
[root@server1 Desktop]# cat /proc/version
Linux version 2.6.32-358.el6.x86_64 (mockbuild@c6b8.bsys.dev.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC) ) #1 SMP Fri Feb 22 00:31:26 UTC 2013
[root@server1 Desktop]# uname -a
Linux server1.org 2.6.32-358.el6.x86_64 #1 SMP Fri Feb 22 00:31:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux[root@server1 Desktop]# uname -r
2.6.5-7.244-smp
2. 查看Linux版本：
1) 登錄到服務器執行 lsb_release -a ,即可列出所有版本信息,例如:
注:這個命令適用於所有的linux，包括Redhat、SuSE、Debian等發行版。
2) 登錄到linux執行cat /etc/issue,例如如下:
Welcome to SUSE LINUX Enterprise Server 9 (i586) - Kernel \r (\l).
3) 登錄到linux執行cat /etc/redhat-release ,例如如下:
CentOS release 6.4 (Final)LSB_VERSION=base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
cat: /etc/lsb-release.d: Is a directory
CentOS release 6.4 (Final)
CentOS release 6.4 (Final)
cpe:/o:centos:linux:6:GA