System Administration & Configuration

Building a Raspberry PI Cluster -...

Here is out third article in the Building a Raspberry Pi Cluster series. We will talk about what software we can use to make all the cluster nodes respond to your commands all at once, so that you can install whatever you wish and do it only once for ll of the cluster nodes instead of configuring them one by one as separate entities. Such software greatly eases your work and reduces the time needed to perform...
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Programming & Scripting

How to combine the results of...

In a previous article we talked about the various type of JOIN we can use in a MariaDB/MySQL database. This time, instead, we take a look at the UNION statement: how it works, how we can use it to combine the result of queries run on different tables, and what are its peculiarities. In this tutorial you will learn: How to use the UNION statement in a MariaDB/MySQL server What are the properties of the UNION...
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Ubuntu

How to configure static IP address...

This article will provide you with an information on how to configure a static IP address on Ubuntu 19.04 Disco Dingo Linux In this tutorial you will learn: How to configure static IP address using netplan How to configure static IP address from Graphical User interface ( GUI )
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CentOS

How to install NVIDIA CUDA Toolkit...

The Nvidia CUDA toolkit is an extension of GPU parallel computing platform and programming model. The Nvidia CUDA installation consists of inclusion of the official Nvidia CUDA repository followed by the installation of relevant meta package. NVIDIA CUDA Toolkit on CentOS 7 Linux Software Requirements and Conventions Used Software Requirements and Linux Command Line Conventions Category Requirements, Conventions or...
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Debian

Command not found - Missing path to...

Starting with Debian 10 buster the way how the su command is used has been changed. By default execution of the su command no longer provides you with expected user environmental variables. In the case of a simple switch to administrative user root by executing su with no arguments the expected root's PATH variable is no set properly. Symptoms Here is an example: $ su Password: # reboot bash: reboot: command not...
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Kali Linux

How to install VeraCrypt on Kali Linux

For years, TrueCrypt was the gold standard in encrypting drives across platforms. TrueCrypt is gone now, but VeraCrypt is carrying on its legacy. It looks and works a lot like TrueCrypt did, and it's compatible with TrueCrypt partitions. Even though VeraCrypt isn't available in Kali's repositories, but that doesn't mean that it's difficult to install. You can download the VeraCrypt installer right from the...
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Redhat

How to configure network interface...

Network interface bonding consists in the aggregation of two or more physical network interfaces, called slaves , under one logical interface called master or bond interface. Depending on the bonding mode, such setup can be useful to achieve fault tolerance and/or load balancing. In this tutorial we will learn what the available bonding modes are and how to create a network bonding on Red Hat Enterprise Linux 8. In...
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Fedora

How to install NVIDIA CUDA Toolkit...

The Nvidia CUDA toolkit is an extension of GPU parallel computing platform and programming model. The Nvidia CUDA installation consists of inclusion of the official Nvidia CUDA repository followed by the installation of relevant meta package. In this How to install NVIDIA CUDA Toolkit on Fedora 29 Linux tutorial you will learn: How to download the latest NVIDIA CUDA repository package. How to install the CUDA...
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