1. 查看内核版本命令:
1) [root@q1test01 ~]#
cat /proc/version
Linux version 2.6.9-22.ELsmp
(bhcompile@crowe.devel.redhat.com) (gcc version 3.4.4 20050721 (Red Hat
3.4.4-2)) #1 SMP Mon Sep 19 18:00:54 EDT 2005
2) [root@q1test01 ~]#
uname -a
Linux q1test01 2.6.9-22.ELsmp #1 SMP Mon Sep 19 18:00:54 EDT
2005 x86_64 x86_64 x86_64 GNU/Linux
3) [root@q1test01 ~]# uname
-r
2.6.9-22.ELsmp
2.查看linux的版本主要有三种方法:
1) 登录到服务器执行
lsb_release -a ,即可列出所有版本信息,例如:
[root@3.5.5Biz-46 ~]# lsb_release
-a
LSB Version: 1.3
Distributor ID: RedHatEnterpriseAS
Description: Red
Hat Enterprise Linux AS release 4 (Nahant Update 1)
Release: 4
Codename:
NahantUpdate1
[root@3.5.5Biz-46
~]#
这个命令适用于所有的linux,包括Redhat、SuSE、Debian等发行版。
2) 登录到linux执行cat
/etc/redhat-release ,例如如下:
[root@3.5.5Biz-46 ~]# cat
/etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update
1)
[root@3.5.5Biz-46 ~]#
这种方式下可以直接看到具体的版本号,比如 AS4 Update
1
3)登录到linux执行rpm -q redhat-release ,例如如下
[root@3.5.5Biz-46 ~]#
rpm -q redhat-release
redhat-release-4AS-2.4
[root@3.5.5Biz-46
~]#
这种方式下可看到一个所谓的release号,比如上边的例子是2.4
这个release号和实际的版本之间存在一定的对应关系,如下:
redhat-release-3AS-1
-> Redhat Enterprise Linux AS 3
redhat-release-3AS-7.4 -> Redhat
Enterprise Linux AS 3 Update 4
redhat-release-4AS-2 -> Redhat Enterprise
Linux AS 4
redhat-release-4AS-2.4 -> Redhat Enterprise Linux AS 4 Update
1
redhat-release-4AS-3 -> Redhat Enterprise Linux AS 4 Update
2
redhat-release-4AS-4.1 -> Redhat Enterprise Linux AS 4 Update
3
redhat-release-4AS-5.5 -> Redhat Enterprise Linux AS 4 Update
4
注意:第(2)(3)两种方法只对Redhat Linux有效
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