How To Check What Version of Centos You Are Using?

There are a few ways to see what version of Centos your server has installed.

Steps

1) While logged in as root, enter the following commands.

cat /etc/redhat-release

This should produce a response like this:

CentOS release 5.2 (Final)

2) Another method is to enter the following command:

rpm -qa | grep centos

This should produce results like this:

root@server [~]# rpm -qa | grep centos
procmail-3.22-17.1.el5.centos
comps-extras-11.1-1.1.el5.centos
basesystem-8.0-5.1.1.el5.centos
gdm-2.16.0-46.el5.centos
pm-utils-0.99.3-6.el5.centos.19
yum-fastestmirror-1.1.10-9.el5.centos
specspo-13-1.el5.centos
rhgb-0.16.4-8.el5.centos.1
nss-3.11.99.5-2.el5.centos
centos-release-notes-5.2-2
desktop-backgrounds-basic-2.0-40.el5.centos
anacron-2.3-45.el5.centos
pango-1.14.9-3.el5.centos
kdelibs-3.5.4-16.el5.centos
system-config-date-1.8.12-3.el5.centos.2
gnome-session-2.16.0-6.el5.centos
gnome-desktop-2.16.0-1.el5.centos.1
redhat-logos-4.9.99-8.el5.centos
redhat-artwork-5.1.0-26.el5.centos
redhat-lsb-3.1-12.3.EL.el5.centos
pirut-1.3.28-13.el5.centos
httpd-manual-2.2.3-6.el5.centos.1
filesystem-2.4.0-1.el5.centos
mod_ssl-2.2.3-6.el5.centos.1
ntp-4.2.2p1-8.el5.centos.1
nss-tools-3.11.99.5-2.el5.centos
gzip-1.3.5-10.el5.centos
busybox-1.2.0-4.el5.centos
initscripts-8.45.19.EL-1.el5.centos.1
firstboot-tui-1.4.27.3-1.el5.centos
firstboot-1.4.27.3-1.el5.centos
crash-4.0-5.0.3.el5.centos
Deployment_Guide-en-US-5.2-9.el5.centos
kdebase-3.5.4-18.el5.centos
yum-protectbase-1.1.10-9.el5.centos
xorg-x11-proto-devel-7.1-9.el5.centos
setuptool-1.19.2-1.el5.centos
centos-release-5-2.el5.centos
yum-3.2.8-9.el5.centos.2.1
bluez-utils-3.7-2.el5.centos
httpd-2.2.3-6.el5.centos.1
firefox-3.0-0.beta5.6.el5.centos

3) To check your Kernel version, you could enter this command.

uname -a

Written by admin on June 25th, 2008 with comments disabled.
Read more articles on Centos and How To.