At a glance Compare popular distributions and decide which one will be more convenient to your project.
When to choose Ubuntu?
Ubuntu LTS is a common choice to start with: it has a large community and many current instructions. This makes it easier to find a solution if you are learning server administration or using software, the documentation of which describes Ubuntu.
When to choose Debian?
Debian is valued for stability and predictability. It fits services where you value a quiet, proven environment and do not need the latest releases of packages immediately after publication.
Note the compatibility of applications
Before selecting the system, check whether the application, panel or script supports a specific version of the distribution. Administrative command manuals must correspond to the release of the system; do not backup commands without checking their operation and effects.
What do you choose to start?
If you do not have a special requirement, choose a system to find documentation for your service more easily. The most important ones are regular updates, backup and correct configuration — the choice between Ubuntu and Debian alone will not replace the administration.
Back up first. Change one thing at a time.
Back up your working files, make a change and check the logs. Changing one thing at a time makes it easier to find the cause of a problem and restore your previous settings.
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