一、查看内核版本命令
1)
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[root@weimo.pw ~]# cat /proc/version Linux version 2.6.9-22.ELsmp (bhcompile@crowe.devel.redhat.com) (gcc version 3.4.4 200507213.4.4-2)) # 1 SMP Mon Sep 19 18:00:54 EDT 2005 |
2)
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[root@weimo.pw ~]# uname -a Linux weimo.pw 2.6.9-22.ELsmp #1 SMP Mon Sep 19 18:00:54 EDT 2005 x86_64 x86_64 x86_64 GNU/Linux |
3)
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[root@weimo.pw ~]# uname -r 2.6.9-22.ELsmp |
二、 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@weimo.pw ~]# lsb_release -a LSB Version: :core-3.0-amd64:core-3.0-ia32:core-3.0-noarch:graphics-3.0-amd64:graphics-3.0- ia32:graphics-3.0-noarch Distributor ID: RedHatEnterpriseAS Description: Red Hat Enterprise Linux AS release 4 (Nahant Update 2) Release: 4 Codename: NahantUpdate2 |
注:这个命令适用于所有的linux，包括Redhat、SuSE、Debian等发行版。如果提示没有此命令。建议安装下lsb包
2) 登录到linux执行cat /etc/issue,例如如下:
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[root@weimo.pw ~]# cat /etc/issue Red Hat Enterprise Linux AS release 4 (Nahant Update 2) Kernel \r on an \m |
3) 登录到linux执行cat /etc/redhat-release ,例如如下:
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[root@weimo.pw ~]# cat /etc/redhat-release Red Hat Enterprise Linux AS release 4 (Nahant Update 2) |
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:
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[root@weimo.pw ~]# rpm -q redhat-release redhat-release-4AS-3 |
注:这种方式下可看到一个所谓的release号，比如上边的例子是3
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
另:第3)、4)两种方法只对Redhat Linux有效.
三、查看系统位数
1、getconf LONG_BIT ?或者 getconf WORD_BIT
2、file /bin/ls
3、lsb_release -a
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沙发空缺中，还不快抢~