Have you ever wondered which version of Ubuntu you are using? Knowing the version may seem like a minor detail, but it is crucial when installing software, requesting support, or managing servers.
Why the Ubuntu version matters: compatibility with packages and dependencies; security and updates, since older versions may stop receiving patches; troubleshooting, because documentation and forums often refer to version numbers; automation, since deployment and configuration tools read the version to apply specific adjustments.
Graphical method (GUI) to check the version: open Show Applications; search for and open Settings; scroll down to About; in the System or About section you will see the operating system name and version. Useful hardware information also usually appears on that screen.
Terminal method to check the version: if you prefer the terminal, these commands give you the information quickly and accurately. Run lsb_release -a to see the version number and codename; run cat /etc/os-release to see system variables such as VERSION and VERSION_CODENAME; run hostnamectl to see system information including the Kernel and the operating system. Example of typical output: Release: 22.04; Codename: jammy; OS Name: Ubuntu 22.04.5 LTS.
Summary of commands: lsb_release -a; cat /etc/os-release; hostnamectl. Any of these will allow you to identify whether your installation is an LTS version, the exact numbering, and the codename.
When to check the version: before installing packages that require specific versions, when requesting support on forums, before planning a system upgrade, and when configuring management and deployment tools on servers or in the cloud.
If you manage cloud servers, tools like ServerAvatar allow you to see the Ubuntu version from the control panel. For more technical information you can visit https://serveravatar.com/check-ubuntu-version/
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