教你如何查看Linux版本
1. 查看内核版本命令:
1)
[root@sa3gd-0142 proc]# cat /proc/version
Linux version 2.6.9-42.ELsmp (bhcompile@hs20-bc1-1.build.redhat.com) (gcc version 3.4.6 20060404 (Red Hat 3.4.6-2))
Linux version 2.6.9-42.ELsmp (bhcompile@hs20-bc1-1.build.redhat.com) (gcc version 3.4.6 20060404 (Red Hat 3.4.6-2))
2)
[root@sa3gd-0142 proc]# uname -a
Linux sa3gd-0142 2.6.9-42.ELsmp #1 SMP Wed Jul 12 23:27:17 EDT 2006 i686 i686 i386 GNU/Linux
Linux sa3gd-0142 2.6.9-42.ELsmp #1 SMP Wed Jul 12 23:27:17 EDT 2006 i686 i686 i386 GNU/Linux
3)
[root@sa3gd-0142 proc]# uname -r
2.6.9-42.ELsmp
2.6.9-42.ELsmp
2. 查看linux版本:
1) 登录到服务器执行 lsb_release -a ,即可列出所有版本信息,例如:
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[root@sa3gd-0142 proc]# lsb_release -a
LSB Version: :core-3.0-ia32:core-3.0-noarch:graphics-3.0-ia32:graphics-3.0-noarch
Distributor ID: RedHatEnterpriseAS
Description: Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
Release: 4
Codename: NahantUpdate4
LSB Version: :core-3.0-ia32:core-3.0-noarch:graphics-3.0-ia32:graphics-3.0-noarch
Distributor ID: RedHatEnterpriseAS
Description: Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
Release: 4
Codename: NahantUpdate4
注: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/issue,例如如下:
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[root@sa3gd-0142 proc]# lsb_release -a
LSB Version: :core-3.0-ia32:core-3.0-noarch:graphics-3.0-ia32:graphics-3.0-noarch
Distributor ID: RedHatEnterpriseAS
Description: Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
Release: 4
Codename: NahantUpdate4
[root@sa3gd-0142 proc]# cat /etc/issue
Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
Kernel \r on an \m
LSB Version: :core-3.0-ia32:core-3.0-noarch:graphics-3.0-ia32:graphics-3.0-noarch
Distributor ID: RedHatEnterpriseAS
Description: Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
Release: 4
Codename: NahantUpdate4
[root@sa3gd-0142 proc]# cat /etc/issue
Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
Kernel \r on an \m
3) 登录到linux执行cat /etc/redhat-release ,例如如下:
[root@sa3gd-0142 proc]# cat /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
注:这种方式下可以直接看到具体的版本号,比如 AS4 Update 1
4) 登录到linux执行rpm -q redhat-release ,例如如下:
[root@sa3gd-0142 proc]# rpm -q redhat-release
redhat-release-4AS-5.5
redhat-release-4AS-5.5
这个release号和实际的版本之间存在一定的对应关系,如下:
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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
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