Method 1
Command: lsb_release -a
Example:
[root@www ~]# lsb_release -a LSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch Distributor ID: CentOS Description: CentOS release 6.7 (Final) Release: 6.7 Codename: Final
Method 2
Command: unameuname -r uname -a //The most comprehensive
(applicable to all linux, including Redhat, SuSE, Debian, Centos, etc.)
Example:
[root@www ~]# uname Linux [root@www ~]# uname -r 2.6.32-431.23.3.el6.x86_64 [root@www ~]# uname -a Linux www 2.6.32-431.23.3.el6.x86_64 #1 SMP Thu Jul 31 17:20:51 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Method 3
Command: cat /etc/redhat-release
(Applicable to RedHat, CentOS)
Example:
[root@www ~]# cat /etc/redhat-release CentOS release 6.7 (Final)
Method 4
Command: rpm -q redhat-releaserpm -q centos-release
(Applicable to RedHat, CentOS)
Example: (I did not install redhat, I installed CentOs)
[root@www ~]# cat /etc/redhat-release package redhat-release is not installed [root@www ~]# rpm -q centos-release centos-release-6-7.el6.centos.12.3.x86_64
Method 5
Command:
cat /proc/version
(command between the current centos version and the version corresponding to redhat)
Example:
[root@www ~]# cat /proc/version Linux version 2.6.32-431.23.3.el6.x86_64 (mockbuild@c6b8.bsys.dev.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-4) (GCC) ) #1 SMP Thu Jul 31 17:20:51 UTC 2014
