Articles in Linux | UserComp.com

Accessing Locally-Hosted Web Servers via NAT and Port Forwarding: Unreachable Host - Tech Support

Learn how to troubleshoot and resolve issues with accessing a locally-hosted web server using NAT, port forwarding, and WireGuard.

Creating an LV Thin Pool with Prioritization of Two PVs: Fast PV /dev/sdb3, Slow PV /dev/sda1

Learn how to create an LV Thin Pool using two Physical Volumes (PVs), prioritizing the fast disk (/dev/sdb3) and utilizing the remaining space of the slow disk (/dev/sda1).

Overcoming Ownership Mapping Errors with Docker in Raspberry Pi: A Guide for World Paperless Office

Learn how to overcome ownership mapping errors when using Docker Compose to set up World Paperless Office on a Raspberry Pi. This article provides a step-by-step guide to help you resolve the issue and ensure smooth operation.

Encryption Method Used: Compression Utility in Debian 11 Cinnamon

In Debian 11 Cinnamon, the right-click compression option offers both file compression and password protection. Here's a procedure to create an encrypted 7z file.

Systemd: Failed to Resolve Unit Specifiers in Require Specification for udiskie@$DISPLAY service

This article explains how to troubleshoot an error encountered when starting the udiskie@ service using Systemd on a Linux system. The error message indicates that Systemd failed to resolve unit specifiers in the require specification for the udiskie@ service.

Fixing Right Shift Key Not Working on Linux Wayland without xmodmap

This article explains how to fix a Right Shift key issue on Linux Wayland without using xmodmap.

OpenSSL Refusing SHA-3-256 MD: Troubleshooting Nginx Certificate Signing

When creating a local root CA using OpenSSL with Nginx, the system might indicate the use of SHA-3-256 for signing the certificate, but OpenSSL refuses to comply. This article discusses possible causes and solutions for this issue.

FFMPEG: Converting RTSP to MPEG-TS with Constant Size UDP Packets

Learn how to convert an RTSP stream to an MPEG-TS stream with constant size UDP packets using FFMPEG.

GStreamer/Mesa GBMApp: Overlaying Content on Kodi in Minimal System Setups

In this tech support article, we will discuss how to use the GStreamer/Mesa GBMApp to overlay content on Kodi in minimal system setups where X11 is not available. Understanding the concept and following the steps below will help you display your desired content seamlessly.

Awall IPSEC Configuration Troubleshooting on Alpine Linux

This article provides a solution to the issue of IPSEC tunnel establishment failure and inability to send ICMP packets in Awall on Alpine Linux.

Fedora 40 Workstation: Unable to Make EPSON WorkForce PRO WF-6590 Printer Work on Network

Users report that their EPSON WorkForce PRO WF-6590 printer does not work on the network when using Fedora 40 Workstation. This article provides suggested solutions to help you resolve the issue.

Monitoring Live Linux System Settings for DVI Connections

Learn how to set up and monitor DVI connection settings for Live Linux systems. This guide covers booting from a USB stick and configuring the display.

Windows Won't Boot on M.2 SSD after Installing Ubuntu on Separate SSD

The user has been successfully booting Windows on an M.2 SSD (WD_BLACK SN7702TB) for over a year without issues. However, after installing Ubuntu Server on a separate SSD (WD WDS250G2B0A), Windows won't boot.

How to Align Two Panes Vertically in Tmux with Keyboard Shortcut

Learn how to align two panes vertically in Tmux using the keyboard shortcut. This tip is useful for managing multiple terminal windows.

Unable to Connect: Host Configuration for WireGuard Tunnel

This article provides a solution for users experiencing issues connecting to a WireGuard tunnel with the given configuration. The focus is on identifying and resolving common problems related to the host setup.

SSH User chroot Jail: Restricting SFTP Access to Specific Directory

In this article, we'll discuss how to restrict SFTP access for a specific user to a mounted volume within a chroot jail using SSH configuration. This setup is particularly useful for enhancing system security.

Configuring a Custom DNS Server for WireGuard VPN Clients: Manual Approach

Learn how to configure a custom DNS server for WireGuard VPN clients manually.

Automatically Switching Encoded Qualities with FFmpeg and MP4Box

Learn how to switch automatically between encoded qualities using FFmpeg and MP4Box. This article explains the process of creating an MP4 file with different qualities and generating an MPD file for seamless switching.

VM on Proxmox Single Host with 4-Port Broadcom Network Card: VMs Lose Internet After Service Reload

This article discusses an issue where a VM on a Proxmox single host with a 4-port Broadcom network card loses its internet connection after the network service is reloaded.

Bitwig Studio Window Disappears with Screen Lock Running (Debian Linux, Nvidia, XFCE)

Users of Bitwig Studio on Debian Linux with Nvidia graphics and XFCE desktop environment report that the Bitwig Studio window disappears when the screen lock is activated. In this article, we will discuss possible solutions to this issue.

Detecting and Adding Keyframes for Black Frames using FFmpeg

Learn how to detect black frames in a video file and add keyframes using FFmpeg. This technique is useful for video editing and debugging.

Identifying Filesystem Kernel Modules Used for Mounting

Learn how to identify the kernel modules used for mounting specific filesystems in Linux.

Prevent Cygwin from Automatically Adding Unnecessary Packages

Learn how to prevent Cygwin from automatically adding unwanted packages during installation. Follow these steps to manage your Cygwin package sets effectively.

IPP Printer Not Printing on Linux (Good with Windows)

Users report that their IPP printer is not printing on Linux, including test pages. After checking Ubuntu settings, no obvious issues were found. Let's explore potential solutions.

The Fastest Way to Duplicate BTRFS RAID1 Drives (99% Full 4TB and 12TB)

Learn the fastest way to duplicate BTRFS RAID1 drives, specifically 4TB and 12TB drives, using reliable methods for data transfer.

Unable to Access USB Webcam within Raspbian OS VM using OpenCV

This article explains how to access a USB webcam within a Raspbian OS Virtual Machine using OpenCV, and provides solutions for common errors encountered during setup.

Getting Docker and Intel(R) Iris(R) Xe Graphics to Play Nice on Windows 11 and WSL2

This article outlines the steps required to get Docker and Intel Iris Xe Graphics to work together on Windows 11 and WSL2.

Dual Booting Windows 10 and Kali Linux on Debian 10 (Buster)

Learn how to install and dual boot Windows 10 and Kali Linux on Debian 10 (Buster) without using a virtual machine or USB/CDDVD.

Optimizing Proxmox VM Allocation on HP ProLiant DL380 G10 for Small Business (CentOS ERP and Windows Server)

Learn how to optimally allocate resources for two VMs (CentOS ERP and Windows Server) on an HP ProLiant DL380 G10 with Proxmox, ensuring efficient performance for your small business.

Server Requirements for ERP and Domain Controller on HP ProLiant DL380G10

Learn the server requirements for running an ERP system and a Domain Controller on an HP ProLiant DL380G10 with Proxmox, supporting 15 users and two VMs.

Error Loading Shared Libraries in Docker Container: man: not apply additional memory protection relocation

This article discusses an error encountered when trying to execute a man command in a Docker container, where the container fails to load shared libraries due to a permission issue. We'll explore the error message in detail and suggest potential solutions.

Terminal Autocomplete (Tab) Not Completing Changing Directory One Level (cd ..) for Linux Noob

A Linux noob recently switched to using Linux exclusively on their Windows 11 machine with WSL2. They have encountered an issue with terminal autocomplete not completing the 'cd ..' command.

Setting Cursor Theme in QT Applications: Changing to MacOS-like Cursor (Debian 12 Stable)

Learn how to change the cursor theme in QT applications, such as VLC and VirtualBox, to a MacOS-like cursor on Debian 12 Stable.

Automatically Starting WSL Ubuntu Nginx Web Server at Windows 10 Boot

Learn how to automatically start Nginx web server in WSL Ubuntu during Windows 10 boot.

Troubleshooting FFmpeg Rawbitstream Error in MKV/VOB Conversion

This article provides a solution to the FFmpeg rawbitstream error encountered during MKV/VOB video file conversion. Follow the steps below to resolve the issue.

Installing Pacman for Kubuntu 24.04: A Misconception

Misconception exists about installing Pacman repository in Kubuntu 24.04. However, Pacman and Debian-based package formats are incompatible. Deb files cannot be used with Pacman.

Setting Up a Wi-Fi Hotspot for Your Python Application on Ubuntu with hostapd and dnsmasq

Learn how to set up a Wi-Fi hotspot for your Python application on Ubuntu using hostapd and dnsmasq. This tutorial covers interacting with system services to create and handle hotspots.

Nginx Returns 403 Forbidden Despite Readable Root Directory

User encounters a 403 Forbidden error in Nginx despite the root directory being readable by everyone. This article provides possible solutions to the issue.

Potential Dangers of Using Different Sized Disks in ZFS RAIDZ

Learn about the potential dangers of using differently sized disks in ZFS RAIDZ configurations. Understand the implications for data safety and performance.

Installing GRUB MD RAID via Debian 12 Installer: A Step-by-Step Guide

Learn how to install GRUB MD RAID on Debian 12 by following a step-by-step guide. This process is crucial when dealing with duplicate settings and disk failure.

Organizing Macros: Storing and Managing Vim Mappings

Learn how to effectively organize and manage Vim macros by storing them in registers. This article covers finding and opening the .vimrc file and locating the content macro.

Unable to Configure Findxrandr.pc in fvwm3 on Debian 12 Bookworm

This article provides instructions for configuring Findxrandr.pc in fvwm3 on Debian 12 Bookworm. Follow the steps below to resolve the issue of Findxrandr.pc not being found during the fvwm3 configuration process.

Linux Mint Unable to Connect WiFi on Unify U7 Pro Access Points

Experiencing a puzzling issue with WiFi connection on a Linux Mint laptop using Unify U7 Pro access points. Every connection works except for this one. Learn how to troubleshoot and resolve the issue.

Interrupted do-release-upgrade: Unable to download 23.10 24.04

During a do-release-upgrade process, the user was interrupted and restarted the computer. Upon attempting to resume the upgrade, the following error message appeared: Checking new Ubuntu release... Learn how to resolve this issue and complete the upgrade.

Ubuntu Linux Server Randomly Loses Connection: Troubleshooting Docker Host

This article discusses the issue of a Ubuntu Linux server running version 24.04 LTS, acting as a Docker host, experiencing random connection losses. With around 40 containers, the host remains relatively unchanged from the initial Ubuntu installation. We'll explore potential causes and solutions.

Linux Showing Wrong Hard Drive Sizes After Failed dd Clone (BTRFS RAID1)