Articles in Linux | UserComp.com

Ubuntu Machine Constantly Loses Internet Connection: Sabnzbusy

This article provides a solution for a Ubuntu 24.04 LTS machine that keeps losing its internet connection, even though the wired connection to the internet is completely fine. The issue seems to be related to Sabnzbusy.

Starting Bare-Metal Programming: A Journey to Build an OS from Scratch

Embark on a fascinating journey of starting bare-metal programming and building an operating system from scratch using an old laptop. Learn about the principles, challenges, and rewards of low-level programming and the foundational understanding it provides for computer science and software engineering.

Printing Value from XML File to Another File

Learn how to print the value of a specific key from an XML file to another file using command line tools such as grep and awk.

Get Statistics on FLAC to MP3 (LAME) Conversion Command with Ruby Script

In this tech support article, we'll discuss how to create a simple Ruby script that converts FLAC to MP3 in batches, avoiding temporary files and providing statistics on the conversion process using the LAME encoder. The script decodes FLAC files from standard input (stdout) and sends the decoded FLAC to LAME for encoding. This streamlined approach allows for efficient conversion while providing useful statistics for monitoring and analysis.

Debian 12 System Stuck on Shutdown: Possible Fixes

Having trouble with your Debian 12 system getting stuck during shutdown? Learn about possible causes and solutions, including checking logs and power outages.

Open Current Tab in Multiple New Windows

Learn how to open the current tab in multiple new windows across various operating systems using built-in browser features.

Print Value from XML file to another file

In this article, we will show you how to print the value of a specific key from an XML file to another file using command-line tools. We will demonstrate the process on Linux, Windows, and MacOS.

Creating a New Package with the OpenSuse Build System: Updated, but Can't Publish to APT as it Doesn't See?

Learn how to create a new package using the OpenSuse build system, including adding OBS repositories and installing packages. This updated guide addresses the issue of publishing to APT not seeing the new package.

Create New Package with OBS (OpenSUSE Build System) - Tech Support

Learn how to create a new package using the OpenSUSE Build System (OBS) and add it to your repository. Follow the step-by-step guide to get started. Updated on Dec 29, 2024.

FFmpeg Transcode VBSub Subtitle Burning Wrong Subtitle Color

This article addresses an issue where FFmpeg transcoded VBSub subtitles are burned with the wrong color. We'll provide a solution that is CPU and GPU friendly.

Using GNU Stow to Manage Complex Folder Structures: A Tech Support Guide

In this tech support guide, we'll show you how to use GNU Stow to manage complex folder structures. With simple commands, you can switch entire machine configurations, making it a powerful tool for tech professionals. Read more to learn how to get started with GNU Stow.

Capturing Groups in GNU Awk Match Expressions: A Tech Support Guide for Debian 10

This tech support guide for Debian 10 users covers the use of capture groups in GNU Awk match expressions. Learn how to extract and use captured groups in your scripts with GNU Awk 4.2.1 and Bash 5.0.3. Improve your Debian 10 system management and automation skills.

ProFTPD Fails to Start PID File Error on Manual Installation on CentOS 7

This article provides a solution for the ProFTPD Fails to Start PID File error encountered during manual installation on CentOS 7.

Fixing Wrong Subtitle Color in FFmpeg Transcoded VOBSUB Subtitle Burn

Learn how to fix wrong subtitle color when transcoding and burning VOBSUB subtitles in FFmpeg, ensuring both CPU and GPU-friendly processing. Read more for detailed tech support.

Kali Linux Taskbar Not Showing Open Applications - Setting Not Enforced

Having issues with the Kali Linux taskbar not showing open applications? Learn about the possible causes and solutions in this SEO-optimized article. Discover how to fix the Kali Linux taskbar setting that's not being enforced.

Stopping RDP Sessions from Consuming MobaXterm Hotkeys

Learn how to prevent RDP sessions from interfering with MobaXterm hotkeys, ensuring a smooth user experience.

Screentearing Issue in Ubuntu 24.04 with AMD GPU on Custom Built PC

If you're experiencing screentearing issues in Ubuntu 24.04 with an AMD GPU on a custom-built PC, you're not alone. This article provides a concise summary and an invitation to read more on our tech support site.

Munin Plugin Memory: Graph Draws Wrong Total Memory on Ubuntu 24.04.1 KVM Server

This article discusses an issue with the Munin plugin memory on a Ubuntu 24.04.1 KVM server where the graph is drawing the wrong total memory. We'll explore the cause and provide a solution to this problem.

Unlock User's Graphical Session Without Knowing Password

Learn how to unlock a user's graphical session without knowing the password. This guide covers methods for Linux, Windows, and MacOS.

FFmpeg Error Resilience: A Solution for Wonky HEVC Video Files

Learn how to use FFmpeg's error resilience features to handle wonky HEVC video files extracted from DVRs. By remuxing the file to MP4 format using the `ffmpeg -i inputfile -c:v hevc_copy outputfile.mp4` command, you can improve video playback and maintain efficiency. Try it out and discover the benefits of FFmpeg for troubleshooting video issues.

How to Use WinRAR in Linux to Verify RAR Archive Files and Print Potential Corruption Errors to a Log File

Learn how to use WinRAR in Linux to verify the integrity of RAR archive files and print potential corruption errors to a log file. This can help you ensure the safety and reliability of your compressed data. Read more to find out how to use this feature effectively.

Themes and Add-ons disappearing in Firefox

Firefox themes and add-ons are no longer appearing, despite checking settings and show loaded. Ads are still appearing despite Adblock. How to fix this issue?

Setting Boot Loader Failover OS Priority Option: What To Do When It Fails?

Having trouble setting boot loading priorities for multiple operating systems on a single SSD? Learn what to do when the bootloader failover option fails, and the system defaults to booting the second OS.

Arch Linux: Apps Crashing Instantly - Troubleshooting Guide

Encountering app crashes on Arch Linux? This optimized guide offers quick solutions to get your applications up and running smoothly again. Learn more about troubleshooting and potential fixes for app crashes on your Arch Linux system.

Resolving Zerobytes Free Windows-11 EFI Partition - GRUB2 Not Repaired

This article guides you through resolving the issue of zerobytes free Windows-11 EFI partition, where GRUB2 is not repaired. Learn how to recover your system with our step-by-step guide.

Setting up a WireGuard VPN on a Laptop or Physical Server: Linking Wireguard Tunnel (wg0 interface) with IPs 172.16.0.0/172.16.1.0 for a Server, VM...

This article provides a step-by-step guide on setting up a WireGuard VPN on a laptop or physical server. It focuses on linking a Wireguard tunnel (wg0 interface) with IPs 172.16.0.0/172.16.1.0 for a server or VM. Follow these instructions to secure your network connections.

Fixing User Directory Issues with 'sudo useradd -s /usr/bin/bash -m jason'

In this tech support article, we'll tackle a common issue that arises when configuring a fresh vast.ai instance with a PyTorch template. Specifically, we'll address the problem of creating a properly configured user with 'sudo useradd -s /usr/bin/bash -m jason'. By following the steps outlined in this article, you'll be able to resolve the user directory configuration and ensure a smooth installation process.

Could blocking access to hosted service ports, including LAN network, affect service availability?

Exploring the potential impact of blocking access to hosted service ports on service availability, focusing on Linux systems and LAN networks.

Fixing "Permission denied» with OpenSSH: Manually adding authorized_keys

In this tech support article, we will tackle the issue of establishing an SSH connection from a PC to a Raspberry Pi 4 running Ubuntu, where the error message 'Permission denied (publickey)' is encountered. We will guide you through the process of manually adding the authorized_keys to resolve this issue.

How to Change /etc/fstab for Parrot OS (Debian) Rescue Environment on a Western Digital Hard Drive

Learn how to modify the /etc/fstab file in Parrot OS (Debian) rescue environment on a Western Digital hard drive. This guide will help you navigate the command line and make the necessary changes for your unformatted second drive.

Detecting Btrfs Finished Reclaiming Free Space Background

When deleting files or subvolumes in a Btrfs filesystem, the space is not immediately reclaimed. However, by watching `btrfs check /<dir>`, one can see live free spaces slowly going up...

Connecting Docker Container to Multiple Bridge Networks

This article provides a solution for connecting Docker containers to multiple bridge networks. The problem arises when the latest updates are applied, causing the previous connection method to stop working. This guide explains how to overcome this issue.

Linux: Mediatek WiFi Driver MT7902 Card

This article provides a step-by-step guide on how to install the Mediatek WiFi driver for the MT7902 card on a Linux system. After installing the driver, you can connect your device to the internet without using a USB adapter.

Dual Boot Windows and Fedora: Partition Exists but Not in Boot Menu

This article guides you through the process of troubleshooting a Windows partition that exists but is not appearing in the boot menu when dual booting with Fedora. Learn how to access your files and folders despite the issue.

Interface-Specific IPv6 Forwarding Configuration Effect on Ubuntu 22.04 with eth0 and tap0 interfaces

This article explains how to configure interface-specific IPv6 forwarding on Ubuntu 22.04 with eth0 and tap0 interfaces. Learn how to send IPv6 packets between host1, router, and host2.

Convert 8-bit H.265 (HEVC) video to 8-bit H.264 without quality loss

Learn how to convert 8-bit H.265 (HEVC) video to 8-bit H.264 without losing quality on Linux, Windows, and MacOS. This guide will help you watch your videos on older TVs that support H.264.

Resolving GCC Error in VS Code when Compiling C Code

This article provides a solution to the GCC error that occurs while compiling C code in Visual Studio Code. We will discuss common causes and solutions to help you resolve the issue.

Getting Captions for MKV Files on Plex Running on Synology DS418 Play

This article provides a step-by-step guide on how to get captions for MKV files on Plex when running on a Synology DS418 Play NAS. Follow these instructions to enable subtitles for your MKV files on Plex.

Convert Dolby 5.1 Surround M2TS to WebM Minimal Audio Degradation

Learn how to convert Dolby 5.1 surround M2TS files to WebM format while minimizing audio degradation. This guide covers a two-step process for both Linux, Windows, and MacOS.

How to Safely Change /etc/fstab in ParrotOS (Debian) on a Live USB with a Second Internal SSD

This article provides a step-by-step guide on how to safely change the /etc/fstab file in ParrotOS (Debian) when using a live USB and an unformatted internal SSD. It is important to follow the instructions carefully to avoid damaging the system.

Invisible Text in Visual Studio Code File Picker Dialog

Learn how to make text invisible in the Visual Studio Code File Picker Dialog. This guide will provide a step-by-step process for achieving this in various operating systems.

Troubleshooting: No Internet on QEMU VM despite Connection Present

Having trouble connecting to the internet on your QEMU VM despite having a present connection? Learn how to troubleshoot this issue in this tech support article. We'll cover common causes, such as incorrect network configuration and firewall settings, to help you get your Ubuntu Server 24.04 up and running with a connected USB wifi adapter.

How to Set Up Rclone Backup and Encrypt Directory on External Disk

This article will guide you through the process of setting up Rclone backup and encrypting a directory on an external disk. We will explain how to choose destinations for sync, and how to navigate the options provided by Rclone config.

Ubuntu 22.04: WiFi Adapter Not Listing Access Points

This article provides a solution for the issue where Ubuntu 22.04 WiFi adapters no longer list access points, preventing blind connections. Two similar adapters are discussed.

Dell 2007FP Display: Troubleshooting with get-edid Command

Explore the use of the 'get-edid' command to troubleshoot a Dell 2007FP display. Learn how to interpret the command's output and possible solutions for common issues.

DNS Queries Not Going to AdGuard Home When Configuring Router DNS?

Having trouble with DNS queries not going to AdGuard Home when configuring your router DNS? This article provides a brief overview of the issue and suggests potential solutions for users running AdGuard Home on Docker Ubuntu 22.04 with a static IP (e.g. 192.168.1.3).

Experiencing Two Big Problems Trying to Install Ubuntu 24.04.1 LTS on VirtualBox?

Having trouble installing Ubuntu 24.04.1 LTS on VirtualBox? You're not alone. Many users face two common issues: installation failure due to an old VirtualBox version, and problems with guest additions. This article offers solutions to help you successfully install Ubuntu on VirtualBox.

Two Big Problems Installing Ubuntu 24.04.1 LTS on VirtualBox