[Bash] How to solve the “unary operator expected” error?

Hello, friends. It is very common that Linux users try to learn something about Bash. That's why today we bring you this short post...

How to Install LEMP WordPress Ubuntu and Debian With Virtualhost

Introduction LEMP is the acronym for Linux, Nginx, MySQL, and PHP. This tutorial is to host WordPress on the LEMP stack. Install MySQL on Ubuntu 20.04.2...

How to taint a node in kubernetes cluster to avoid pods scheduling on that node

Tainting a node means you don't want any pods to be scheduled on that node by kube-scheduler. For tainting a particular node, we have...

How To Install Nikto Web Scanner on Ubuntu 22.04 LTS

Nikto is an open-source web scanner that helps to identify potential vulnerabilities and security issues in web servers and applications. In this tutorial, we...

How To Install RethinkDB on Ubuntu 20.04 LTS

Hello, friends. We have been talking a lot about database because it is an important topic in every application. Well, today you will learn...

How to install Jenkins on Rocky Linux 9 / Alma Linux 9

Hello, friends. In this post, we will talk about a vital tool in continuous integration. Today, you will learn how to install Jenkins on...

Latest Posts

What Is the Role of Biometric Security in Educational Technology?

The benefits of biometric security are always apparent when it comes to personal security and privacy management in various spheres of life. Still, when it comes to education, not many people know that it also plays an essential role. If we take a quick look at the school management system, we can see how...

What is Web Security and Why It Is Important for Your Website?

Businesses of all kinds are finding it increasingly challenging to protect their customers' financial and private details as technology advances. Web security is essential...

How to upgrade from Debian 11 to Debian 12

Hello, friends. But now you will learn how to upgrade from Debian 11 to Debian 12. It's simple, but you have to be careful. Upgrading...

How to Install Sentry using Docker?

Hello, friends. In this post, you will learn how to install Sentry using Docker. This method ensures compatibility but, above all, ease of processing. Sentry...

Blocking IPs on Nginx

Hello, friends. In this post, you will learn about blocking IPs in Nginx. This allows you to have a very exhaustive control over the...

Install Able2Extract Professional on Ubuntu / Debian

Hello, friends. In this post, you will learn how to install Able2Extract on Debian / Ubuntu. This tool is a marvel if you work...

How to install Glances on Debian 11

Hello, friends. In this post, you will learn how to install Glances on Debian 11. According to the tool's website Glances is a cross-platform system monitoring...

dig and nslookup commands on Linux

Hello, friends. In this post, you will learn the basics of the dig and nslookup commands on Linux. These commands, although simple, are part...

How to install DokuWiki on Ubuntu 22.04

In this post, you will learn how to install DokuWiki on Ubuntu 22.04 DokuWiki is a user-friendly and flexible wiki software that is coded in...

How to install Grub Customizer on Ubuntu 20.04 | 22.04 LTS

Grub Customizer is a handy graphical tool that allows you to configure and customize the GRUB bootloader in Ubuntu. With Grub Customizer, you can...

How to install Bluej on Ubuntu 20.04 | 22.04 LTS

BlueJ is a popular integrated development environment (IDE) specifically designed for introductory Java programming. It provides a simple and intuitive interface, making it an...

How To Install Rust on Fedora

Hello, friends. Today, you will learn how to install Rust on Fedora. As we all know, Rust is one of the most popular languages nowadays....

How to increase Swap size on Ubuntu

Hello, friends. Today, you will learn how to increase Swap on Ubuntu. The process is easier than you think. Let's go. Swap or swap memory...