In this tutorial we will show you how to check the Debian version from the command line. As a system administrator, the first question you should ask yourself after getting a new Debian server to manage is what version of Debian am I running? The version of the operating system in use on our server is important as it is critical that we have all the latest updates to ensure that the server is secure. There are a few ways to check your VPS hosting is using what version of Debian. With commands below you can choose one of them to find out which Debian version is running on your system.
Check Debian Version
There are several ways on how to check what version of Debian is running on your system. Below you can find multiple examples on how to determine Debian version.
- Method 1.
The first place to look for Debian version is to look inside /etc/issue file. From terminal run command:
root@idroot:~# cat /etc/issue Debian GNU/Linux 9 \n \l
- Method 2.
root@idroot:~# cat /etc/debian_version 9.0
- Method 3.
To obtain a Debian release number check content of /etc/lsb-release file:
root@idroot:~# cat lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 9 (stretch) Release: 9 Codename: stretch
- Method 4.
Additional information regarding Debian version can be found within /etc/os-release:
root@idroot:~# cat /etc/os-release PRETTY_NAME="Debian GNU/Linux 9 (stretch)" NAME="Debian GNU/Linux" VERSION_ID="9" VERSION="9 (stretch)" ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/"