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How to check centos version
1, lsb_release -a
# lsb_release -a LSB Version: :core-3.1-ia32:core-3.1-noarch:graphics-3.1-ia32:graphics-3.1-noarch Distributor ID: CentOS Description: CentOS release 5.4 (Final) Release: 5.4 Codename: Final
2 , uname
This command applies to all Linux, including Redhat, SuSE, Debian, Centos and other distributions.
root@MyMail ~ # uname Linux root@MyMail ~ # uname -r 2.6.18-164.el5 [root@localhost ~]# uname -a Linux localhost.localdomain 2.6.18-194.el5 #1 SMP Fri Apr 2 14:58:35 EDT 2010 i686 i686 i386 GNU/Linux
3. The following two methods are applicable to RedHat and CentOS
root@MyMail ~ # cat /etc/redhat-release CentOS release 5.4 (Final)
Log in to linux and execute rpm -q redhat-release
#rpm -q redhat-release 或 root@MyMail ~ # rpm -q centos-releasecentos-release-5-4.el5.centos.1
Commands for the current centos version and the version corresponding to redhat
# cat /proc/version Linux version 2.6.9-78.ELsmp (mockbuild@builder16.centos.org) (gcc version 3.4.6 20060404 (Red Hat 3.4.6-10)) #1 SMP Fri Jul 25 00:04:28 EDT 2008
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