Linux · System Config, Time & Hardware

ACPI offers standby/suspend and hibernate — what's the concrete difference in what stays powered, and what does hibernate require to work?

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More in System Config, Time & Hardware

On Debian or Ubuntu you need a different keyboard layout — which file holds it, and why is editing that file directly the wrong first move?

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A distro ships with its default firewall on and you set up an SSH server — clients still can't reach it. What is the firewall doing and what fixes it?

Which boot loader does nearly every Linux distribution install by default, and where does it typically go?

Coming from Windows, an admin reflexively reboots after editing a config file. When is a reboot actually required on Linux, and what do you do instead?

Where do almost all Linux configuration files live, and how are the files of larger programs kept from cluttering that directory?

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