I got a new Ubuntu server running on AWS. How do I check the version of Ubuntu I am running from the CLI?
Introduction: If you installed version of Ubuntu on Cloud based system, but if you do not know what version exactly it is. Here is how to find out your Ubuntu Linux version from the CLI. There are various ways to check which version of Ubuntu you are running. You can either check from within GUI, or put in a short command line in the bash shell Terminal.
How to find OS version in Ubuntu Linux
Command to find the version of Ubuntu that is installed on your server:
- Open the terminal application
- Another option is to log in to the remote Ubuntu server using the ssh command
- Type lsb_release -a to see OS version in Ubuntu Linux
Let see all commands in details.
How to check the version of Ubuntu Linux
The lsb_release command provides LSB (Linux Standard Base) and distribution-specific information on the CLI. The syntax is:
$ lsb_release -a
No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.1 LTS Release: 18.04 Codename: bionic
So I am using Ubuntu Linux version 18.04.1 LTS codenamed “bionic”.
Use hostnamectl command to find Ubuntu OS version
Another option is to run the following hostnamectl command that cControl the system hostname. It also displays operating system info. Just run the following command:
Static hostname: nixcraft-asus.nixcraft.com Icon name: computer-laptop Chassis: laptop Machine ID: 5676e0534ca04d58a94e207dd7617dc3 Boot ID: 4b33025d11fa4b2fa932d735961412fd Operating System: Ubuntu 18.04.1 LTS Kernel: Linux 4.19.2 Architecture: x86-64
Checking your Ubuntu Version using GUI
How to check Ubuntu version in the Terminal
The following method will work no matter which version of Ubuntu or desktop environment or cloud sever you are using. Open the Terminal (type keyboard shortcut: Ctrl+Alt+T). Type any one of the following commands:
$ lsb_release -a
$ cat /etc/*release
The last one use the cat command to display /etc/lsb-release and /etc/os-release files on screen.
You learned how to check OS version in Ubuntu Linux using both GUI and CLI (command line interface) methods.