It’s a important part to know the version of the system on which you are working. There are different ways to check CentOS version. CentOS release version has three major parts major release version, minor release version, and data code version. This tutorial will show you different methods to get CentOS version.
Check CentOS version from the Command Line
It is preferred to check version using command line as it is not depend on anything. So here we are going to check CentOS version using
lsb_release (Linux Standard Base) utility. Generally, this method is best because it will work regardless of any desktop environment or version you are using.
Open your terminal and type the following command:
It will show output as below:
LSB Version: :core-4.1-amd64:core-4.1-noarch
Distributor ID: CentOS
Description: CentOS Linux release 7.6.1810 (Core)
In above output you can see that Description line is showing OS version. Currently, I am using CentOS Linux release 7.6.1810.
Check Version Using RPM Command
rpm (Red Hat Package Manager) is a package management tool for CentOS, Fedora and Red Hat Enterprise Linux which are based on Red Hat.
You can use below command to get CentOS version using
rpm --query centos-release
Check CentOS version using /etc/centos-release file
You also can get version using
centos-release file which is located at
/etc/centos-release. It contains package information in CentOS.
The output should look like:
CentOS Linux release 7.6.1810 (Core)
Get Version using /etc/os-release file
You also can check version using
os-release file. It contains identification data of operating system and this available only with newer CentOS distribution. This method will work only if you have CentOS 7.
PRETTY_NAME="CentOS Linux 7 (Core)"
Check CentOS Version using hostnamectl command
Generally, hostnamectl command is used to set hostname in CentOS systems but you also can check the system details using it. Execute below command:
Static hostname: local.tecnstuff
Pretty hostname: TecNStuff's Server
Icon name: computer-vm
Machine ID: 44dddc11e56e403d8053ecdf0b92d462
Boot ID: 615f6cb9fc2e4903818a192eddb860bc
Operating System: CentOS Linux 7 (Core)
CPE OS Name: cpe:/o:centos:centos:7
Kernel: Linux 3.10.0-957.5.1.el7.x86_64
In this guide, you have learned how to get CentOS version using different methods.
If you have any query or suggestion then leave a comment below.