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查看Linux版本的命令

Linux 命令
2023-03-07 09:41:37 时间

查看内核版本

[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

[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

[root@q1test01 ~]# uname -r
2.6.9-22.ELsmp

 

查看Linux发行版本

lsb_release -a命令适用于所有的linux，包括Redhat、SuSE、Debian等发行版。

[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@KVM01 ~]# lsb_release -a
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
Distributor ID:    CentOS
Description:    CentOS release 6.5 (Final)
Release:    6.5
Codename:    Final


对于Redhat 和其派生出的发行版, 例如 Centos, 使用 cat /etc/redhat-release, 这种方式下可以直接看到具体的版本号，比如 AS4 Update 1

[root@3.5.5Biz-46 ~]# cat /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update 1)

[root@KVM01 ~]# cat /etc/redhat-release
CentOS release 6.5 (Final)


对于Redhat 使用 rpm -q redhat-release

[root@3.5.5Biz-46 ~]# rpm -q redhat-release
redhat-release-4AS-2.4

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

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