A string object instantiated from the string class is a list data structure. The list is a series of characters, and it is appreciated as
Category: Linux/Unix
What is Coalesce in PostgreSQL?
Coalesce is a very useful function in PostgreSQL in Windows 10. We all know that we can insert both types of values in the PostgreSQL
Pensela: An Open-Source Tool Tailored for Screen Annotations
Brief: Pensela is an interesting screen annotation tool available cross-platform. Let us take a closer look at it. You may have come across several screenshot
How to create custom errors by using throw statements in JavaScript
While programming, the chances of something going wrong or causing an error are high. To represent these errors we need classes. Sometimes, users need to
VLAN Hopping Attack and Mitigation
Before jumping into the working and prevention of a VLAN hopping attack, it is obligatory to understand what a VLAN is. VLAN is a Virtual
Install netstat on Debian 11
Like all packages belonging to the net-tools collection, the command netstat isn’t included in new Linux distributions such as Debian 11. This tutorial explains how
How to Add/Remove User Account in Manjaro
Managing user accounts in any Linux distribution is one of the main tasks of the system administrators. The separate user accounts facilitate administrators to keep
How to install Xvfb on Ubuntu
X virtual framebuffer abbreviated as Xvfb is designed for Unix/ Linux Operating System. It allows you to execute graphical apps without having to use a
How to Export VMware Workstation Pro 16 Virtual Machines in OVA Format
VMware Workstation Pro 16 can export virtual machines in OVF and OVA format. OVF stands for Open Virtualization Format, and OVA stands for Open Virtualization
How to use MouseTweaks on Ubuntu
Under Ubuntu, the development of Mousetweaks was started as GSoc7 project in 2001. Mousetweaks is accessibility software and now is part of GNOME since version
