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System Administration

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How to Sign Out Other Users on Windows 11

Forcefully eject any user when they forget to sign out from their account on a shared PC.

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10 Ways to Open the Local Group Policy Editor in Windows 11

Get comfortable with the quickest ways to launch the Local Group Policy Editor in Windows.

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Can’t Log Into Your Mac? Try These 4 Tips

Instead of panicking, follow these troubleshooting steps and regain access to your Mac.

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Track Network Connections in Linux With pktstat

What is your Linux computer sending, and where? Find out with pkstat.

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How to Run a Program Periodically Using the Watch Command on Linux

If you find yourself running the same command again and again, there may be a better way.

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How to Control the CPU Fan Speed on Linux

Want granular control over your Linux PC's fan speed? Luckily, several Linux utilities exist that let you manage your CPU's fan speed.

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How to Delete Timeshift Snapshots on Linux

Timeshift snapshots are large files and can eat up a huge chunk of your system storage. Here's how to remove TimeShift snapshots on Linux.

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How to Check the Status of an Apache Server on Linux

Want to verify if your Apache server is running properly? Here are five different ways to check the status of an Apache server on Linux.

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How to Remove a Mac User Password

Although we don't recommend it, you can remove your Mac's user password if you need to. We'll show you how to do it.

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4 Ways to Block Apps for a User on Windows 11

Don't want your users from using a specific app? Here's how to stop some or all of your users from using it on Windows 11.

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How to Configure a Firewall on Debian With UFW

Take the first steps toward securing your Debian machine by installing UFW and configuring some basic firewall rules.

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How to Monitor Network Usage for Processes on Linux

Want to view the network usage for all currently active processes on your Linux PC? It's easy with these open-source tools.

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service vs. systemctl in Linux: What Are the Differences?

If you want to know more about init systems, it's important to first understand the systemctl and service commands and their underlying differences.

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How to Use atop to View Active Processes on Linux

By default, top and htop show all the processes on a Linux system. If you only want to view currently active Linux processes, check out atop.

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How to Use pstree to Display Running Linux Processes as a Tree

pstree lets you view running processes on a Linux system in a tree-like format. Here's how you can install and use it on your PC.

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How to Create a New systemd Service on Linux

Services on Linux start up as soon as your system boots or reboots. Here's how you can create an auto-starting systemd service on your Linux PC.

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How to Find and Fix Broken Packages on Linux

Broken packages need repairing or the software won't run. Here's how to find the broken packages and fix them in Linux.

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How to Monitor User Logins on Linux

As a system administrator, it's important to regularly monitor user logins on a Linux system for suspicious activities.

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How to Set Up Multiple User Accounts on Your Mac

You can add a second user account to your Mac when you want to share it with someone else. Here, we'll guide you through the process.

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How to Fix the "make: command not found" Error in Ubuntu

Want to build a package but stuck with the "make: command not found" error in Ubuntu? Here's how you can get rid of the error for good.

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