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

If you’re considering adding Linux to your data center, or your company is looking at promoting you to become their first (or next) Linux admin, you probably understand there are lots of commands to ...

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

Working on the command line is an integral part of being a successful Linux user. You need to have a firm grasp of certain commands to work effectively. There are even certain commands that you must ...

Commands that provide help are essential. Here's a look at some of the help you can get from the Linux system itself. Even after you’ve used Linux for a while, you will still find yourself needing ...

In recent times, the security aspect of information technology has received considerable attention, and large organizations have dedicated security teams to keep tabs on vulnerabilities in their ...

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

Linux systems administrators are responsible for maintaining, developing and supporting the open-source operating system. Job responsibilities also include patching, securing and training others on ...

Most Linux distributions are considerably more secure than Windows out of the box. There are many reasons for that, including the inherent user and file permissions structure, the addition of ...