System Administration & Configuration

How to delete directory on Linux

Deleting a directory (also called folder) on Linux is a common task that every user will have to perform at some time or another. This can be done via any desktop environment that you have installed, or from command line with the rm command . While this is a pretty basic function, there are some important caveats to keep in mind. In this guide, we'll go over several examples of deleting a directory on Linux. Feel...
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How to use time command on Linux

The time command is a very simple, but useful command line utility in Linux . Essentially, you can think of it as a stopwatch built into the terminal, as it measures the amount of time it takes to execute a specified Linux command . In this guide, we'll show you how to use the time command through various examples, and teach you how to interpret its output. We'll also show how to use GNU time, which is different...
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Programming & Scripting

Special Bash Variables with examples

Bash is a great coding language, which allows you to do complex things like Big Data Manipulation , or simply create sever or desktop management scripts. The entry level skill required to use the Bash language is quite low, and one-liner scripts (an often used jargon, which indicates multiple commands executed at the command line, forming a mini-script), as well as regular scripts, can grow in complexity (and how...
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Introduction to named pipes on Bash...

On Linux and Unix-based operating systems, pipes are very useful since they are a simple way to achieve IPC (inter-process communication). When we connect two processes in a pipeline, the output of the first one is used as the input of the second one. To build a so called “anonymous” pipe, all we have to do is to use the | operator. Anonymous, or unnamed pipes last just as long as the processes they connect. There...
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Multimedia & Games

How to install the NVIDIA drivers on...

In this article we will be perform an installation of the NVIDIA Driver on AlmaLinux. Nvidia driver is needed by your NVIDIA Graphics GPU to function with better performance. To do this we are first going to identify your NVIDIA graphic card, download an appropriate NVIDIA driver , disable the default nouveau driver by modifying the GRUB boot menu and finally install a official NVIDIA driver. To install Nvidia...
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How to rip an audio CD from the...

Nowadays we are surrounded by devices able to read digital audio, and there are many services such as Spotify which allow to stream content legally. However if you like to buy music on physical support (compact disc), you may want to extract the audio tracks so they can be used on your smartphone or favorite device, or just for backup purposes. There are man tools on Linux which can be used to accomplish such task,...
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Ubuntu

Ubuntu 21.04 Download

In this Ubuntu 21.04 Download guide you will learn where to download and how to download Ubuntu 21.04 ISO image for Ubuntu, Kubuntu, Ubuntu Budgie, Ubuntu Studio, Xubuntu, Lubuntu, Kylin desktops and Ubuntu 21.04 Server. BETA DOWNLOAD ONLY Ubuntu 21.04 is currently available as beta version. The official release stable release of the Ubuntu 21.04 is planned for April 22, 2021 .
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How to check NGINX status on Ubuntu

After installing NGINX on Ubuntu Linux , either as a web server or reverse proxy server , you'll need to learn the basics of administrating the service. In this guide, we'll show how to check the status of NGINX on Ubuntu. This will give you information about the state of the NGINX service, to help you determine if it's running, accepting connections successfully, etc. We'll also explain the various states of...
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Debian

How to install Debian on an existing...

LUKS (Linux Unified Key Setup) is the de-facto standard encryption method used on Linux-based systems. While the Debian installer is perfectly capable of creating a LUKS container, it lacks the ability to recognize and therefore re-use an already existing one. In this article we see how we can workaround this problem using the “DVD1” installer, and running it in “advanced” mode. In this tutorial you will learn :...
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How to setup vsftpd on Debian

Vsftpd is the acronym of Very Secure FTP Daemon: it is one of the most used ftp servers on Linux and other Unix-like operating systems. It is open source and released under the GPL license, and supports virtual users and SSL for data encryption. In this tutorial we will see how to install it and configure it on Linux. In this tutorial you will learn : How to install vsftpd on Debian 10 How to configure vsftpd How...
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Kali Linux

Use JoomScan to scan Joomla for...

When installing a content management system for your website, it's easy to get lazy and assume that it's going to do all the work for you. A CMS like Joomla certainly does make things more convenient, and lets you publish a polished website very quickly, but that doesn't mean you shouldn't take some extra time to secure it. If your website is running Joomla, you can use the JoomScan utility against your site to...
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How to provide user with root...

Many of the hacking tools on Kali Linux require root privileges to execute, not to mention all the ordinary Linux commands that require it. If you're sick of having to preface commands with sudo and typing in the root password often, we have a couple of solutions for you. You can login to the root user in terminal with the sudo -i command, as we explain in our guide on Kali Linux default password . Alternatively,...
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RHEL / CentOS / AlmaLinux

Change hostname on AlmaLinux

The hostname of a Linux system is important because it's used to identify the device on a network. The hostname is also shown in other prominent places, such as in the terminal prompt. This gives you a constant reminder of which system you're working with. It's a real life saver when you're managing multiple systems through SSH and those command line terminals start to blend together in your mind. Of course, IP...
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AlmaLinux vs CentOS

The release of AlmaLinux in 2021 was spurred by the change of CentOS Linux from an enterprise-stable operating system to an upstream development branch of RHEL . With AlmaLinux being branded as a replacement for CentOS, and giving users the option to migrate to AlmaLinux from CentOS , you may be wondering what the differences are between these operating systems. In this guide, we'll look at what makes AlmaLinux and...
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Fedora

Fedora Linux Download

The Fedora Linux distribution is sponsored and backed by Red Hat. It's available for free and acts as a sort of testing ground for Red Hat's flagship operating system, Red Hat Enterprise Linux. As a result, Fedora contains many of the newest ideas and bleeding edge technology. Things that perform well on Fedora for some time will usually end up making their way into the commercially available RHEL distribution. For...
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How to install the NVIDIA drivers on...

The NVIDIA Driver is a program needed for your NVIDIA Graphics GPU to function with better performance. It communicates between your Linux operating system, in this case Fedora 32, and your hardware, the NVIDIA Graphics GPU. The NVIDIA drivers can be installed by using the bash command after stopping the GUI and disabling the nouveau driver by modifying the GRUB boot menu. To install Nvidia driver on other Linux...
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