Sudo lets you run any terminal command as another user — hence "substitute user" — but the default and most common use for it ...

The most important networking command in Linux might be ping. This command lets you check if a remote machine is responding ...

It's a rare occasion that my Linux desktop slows down. That's not to say it never happens, as that would be a lie. Most often, when a system slowdown occurs, I can usually trace it back to a specific ...

Modern network connectivity is light years ahead of what it once was. Even though it's much more reliable than it was in the 1990s, issues still come up -- which is why I'm glad that Linux includes a ...

Managing the time, date, and timezone on a Linux system is crucial for maintaining the timely operation of system tasks, accurate logging, and synchronization with other systems. The timedatectl ...

Logs, databases, and caches grow under /var. Learn why Linux admins monitor the /var directory to prevent disk issues and service failures.