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How to Check CPU Temperature on Linux

March 10, 2021

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.

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A Comprehensive Guide to Using Snap Packages on Ubuntu

March 4, 2021

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.

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Understanding NoSQL Data Modeling Techniques

February 25, 2021

NoSQL data models are built for speed, efficiency, and scalability. This tutorial covers different techniques for building NoSQL data models.

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How to Install Snap on Ubuntu


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.

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How to Use the wall Command in Linux

February 18, 2021

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.

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How to Use the md5sum Command in Linux

February 17, 2021

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.

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How to Install SQL Express Server

February 4, 2021

SQL Server Express is a light, feature-restricted version of Microsoft's SQL Server 2019.
This tutorial will guide you through the process of installing, upgrading, or uninstalling your copy of SQL Server Express 2019.

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How to Use the Linux sleep Command with Examples

February 3, 2021

The sleep command is used when it is necessary to postpone the execution of commands on the command line or in shell scripts. This tutorial lists ways in which you can utilize the sleep command and provides examples for each use case.

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How to Use the Linux tee Command

January 28, 2021

By default in Linux, a command received through standard input writes directly to standard output. The tee command changes that behavior by allowing another command to use a file as the output. This tutorial lists ways in which you can use the tee command.

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RHEL Becomes Free for Small Production Workloads


RHEL is now free for small production workloads, up to 16 systems. Red Hat announced their newly modified no-cost RHEL program as a response to the growing dissatisfaction due to the switch to CentOS Stream.

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