Determine which Ubuntu version a server is running To see which Ubuntu version a server is running, SSH into the server and run the following command:
Ubuntu provides five years of updates for each Ubuntu LTS (Long Term Support) release. There is a new Ubuntu LTS release every two years.
Ubuntu 20.04 will stop receiving security updates from Ubuntu in April 2025. Operating system upgrades are risky. If the upgrade fails, your server will become unusable.
Ubuntu 22.04 will stop receiving security updates from Ubuntu in April 2027. To continue receiving updates from Ubuntu after April 2027, you must upgrade your server to Ubuntu 24.
You only need to recompile PECL extensions if you've upgraded Ubuntu. PECL extensions are third-party extensions for PHP. These extensions often add new built-in functions to PHP that do not exist in the core PHP language.
Ubuntu 18.04 will stop receiving security updates from Ubuntu on May 31, 2023. Operating system upgrades are risky. If the upgrade fails, your server will become unusable.
Ubuntu 16.04 stopped receiving security updates from Ubuntu in April 2021. Operating system upgrades are risky. If the upgrade fails, your server will become unusable.
Ubuntu 14.04 stopped receiving security updates from Ubuntu in April 2019. Operating system upgrades are risky. If the upgrade fails, your server will become unusable.
Like all major Linux distributions, Ubuntu backports security and bug fixes so that updates do not break applications due to version incompatibilities.
ServerPilot makes it easy to run fast PHP applications on Ubuntu servers. ServerPilot also enables automatic security updates on your servers and monitors your servers and apps.
If WHMCS tells you to upgrade your server's version of cURL to prevent security issues, do not be alarmed.
Ubuntu 12.04 stopped receiving security updates from Ubuntu in April 2017. Operating system upgrades are risky. If the upgrade fails, your server will become unusable.
If you receive an alert that your server is not running the most recent version of OpenSSL, do not be alarmed.