How To Configure a BIND9 DNS Server with Hostname
In this comprehensive guide, we will walk you through the process of setting up a BIND9 DNS server with a hostname. This process involves changing the IP address of your …
How To Fix “File Too Short” Error When Loading Shared Libraries in Ubuntu
In this tutorial, we will be discussing a common issue encountered in Ubuntu, the “File Too Short” error when loading shared libraries. We will be providing a detailed guide on …
Using h264_omx Hardware Encoding in ffmpeg on Raspberry Pi 4
In this guide, we will explore how to use the h264_omx hardware encoder with FFmpeg on a Raspberry Pi 4. The h264_omx encoder allows you to take advantage of the …
How To Fix “Read-only File System” Error When Changing Permissions with Chmod on Ubuntu
If you’ve been working with Ubuntu, you may have encountered a “read-only file system” error when trying to change permissions with the chmod command. This error can be frustrating, but …
Where Are Ubuntu’s Default Icons Located?
In this article, we will explore where Ubuntu’s default icons are located. This knowledge can be useful in various scenarios such as when customizing your desktop environment or when developing …
How To Repair a Broken Ubuntu Installation from Live USB Without Losing Data
When it comes to operating systems, Ubuntu is a popular choice due to its user-friendly interface and robust performance. However, like any other software, it can occasionally encounter issues that …
How To Toggle the Fn Key on Ubuntu
In this article, we will explore various methods to toggle the Function (Fn) key on Ubuntu, a popular Linux-based operating system. The Fn key is typically used to activate special …
What are the Snapd User Session Agent buttons on Ubuntu 20.04 login screen?
In this article, we will delve into the Snapd User Session Agent buttons that appear on the Ubuntu 20.04 login screen. We will discuss what these buttons are, why they …
How To Fix “E: Invalid operation instal” Error When Installing Oracle SQL on Ubuntu
In this article, we will discuss how to fix the “E: Invalid operation instal” error when installing Oracle SQL on Ubuntu. This error typically occurs due to a typo in …
Remapping Keys in Ubuntu: A How-To Guide
In this guide, we will discuss how to remap keys in Ubuntu. This can be useful for various reasons, such as making your keyboard more comfortable to use, or changing …
How To Safely Shutdown a VirtualBox Guest OS Using Command Line
VirtualBox is a powerful tool that allows users to run multiple operating systems simultaneously on a single machine. However, managing these virtual machines (VMs) can sometimes be a challenge, especially …
How To Open a Port for Listening in Ubuntu?
In this article, we will delve into the process of opening a port for listening in Ubuntu. This is a crucial task for system administrators and developers who want their …