SysAdmin

High temperatures can damage the sensitive components in your machine. Read our tutorial to learn how to monitor CPU, GPU and HDD temperatures on machines running Linux, by using different utilities.

Snap allows you to install apps to your system in a contained manner, keeping their dependencies within the snap package. This tutorial shows how to install snaps, modify them, and configure the options they offer.

The usermod command modifies user account details: username, password, home directory location, shell, and more. This tutorial explains and provides examples for the use of the command, along with its options.

TensorFlow can be installed in many ways and there are many different versions and builds available. Learn how to check which version is installed on your machine.

The who command belongs to the GNU coreutils package in Linux. Its main purpose is to provide system administrators with information about the users who are currently logged into the system. This tutorial provides examples for the use of the command along with its options.

Snaps are self-contained application packages with mediated access to the system they are installed on. They have all the required dependencies within that package. This tutorial explains how to install Snap on Ubuntu.

The wall command allows sending terminal messages to all logged-in users at once. This feature is particularly useful in scenarios when system administrators perform system maintenance tasks, and they need a quick way to inform users they should save their work and log out. This tutorial explains the wall command syntax and options.

Validating a file download by comparing its original checksum with the checksum you obtained by checking the file yourself is a reliable way to confirm the integrity of your download. This tutorial shows how to use the Linux md5sum command to verify the integrity of a file.

The Linux kernel is extensible and uses modules (drivers) to make the communication between hardware and software run smoothly. Learn how to add and remove official modules using the modprobe command.

VirtaulBox and VMware are two of the most popular virtualization platforms that allow you to run multiple virtual machines on a single server. Learn about how they differ and which one is best for you in this head-to-head comparison.