Operating System

In this article, we will walk you through the process of setting up and saving VLANs (Virtual Local Area Networks) on an Ethernet network card in Ubuntu. VLANs are a …

Maven is a powerful project management tool that developers use for building and managing any Java-based project. However, like any other tool, it can sometimes throw errors that might seem …

In the world of server administration, encountering errors is a common occurrence. One such error that can occur when running the Apache Tomcat server is the “Permission Denied” error when …

In this article, we will guide you through the process of installing PostgreSQL 13 on Ubuntu 20.04. PostgreSQL is a powerful, open-source object-relational database system that uses and extends the …

In this article, we will walk you through the process of enabling SSH in a Windows Subsystem for Linux (WSL) system. SSH, or Secure Shell, is a protocol that allows …

In this tutorial, we will guide you through the process of changing the keyboard layout in xrdp sessions on Ubuntu. This is particularly helpful if you are accessing your Ubuntu …

In this article, we will walk you through the steps to fix the “Permission Denied” error in Virt-manager. This error typically occurs when the user lacks the necessary permissions to …

FTP, or File Transfer Protocol, is a standard network protocol used for the transfer of computer files between a client and server on a computer network. In this article, we …

If you’ve ever tried mounting an SMB network drive on your Ubuntu Server and encountered the “Invalid Argument” error, you know how frustrating it can be. This error, often denoted …

In this article, we will delve into the issue of “Error opening terminal: unknown.” This is a common error that users encounter when trying to run terminal-based applications like nano …

In the world of email servers, Microsoft Exchange is a dominant player. However, if you’re running Ubuntu, connecting to Exchange can be a bit tricky. This article will guide you …

In the world of Ubuntu, two display managers have gained popularity among users: LightDM and GDM3. Both have their strengths and weaknesses, and the choice between them often boils down …