this post was submitted on 30 May 2025
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Debian operating system
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Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian provides more than a pure OS: it comes with over 59000 packages, precompiled software bundled up in a nice format for easy installation on your machine.
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I'm a big fan of
firewalld
withfirewall-config
. It's fairly easy to use even though it might look a bit complicated.You find your default zone, usually
public
, you add your ports or your services, you save the changes toruntime
andpermanent
config and you should be good to go.