Articles in Linux | UserComp.com

Compare Two Images Using FFmpeg

Learn how to compare two images using FFmpeg, a powerful and versatile multimedia framework. This tutorial provides a simple command to overlay two videos for visual comparison.

The Best Way to Install Go Debian Without Issues

This article provides a step-by-step guide on how to install Go Debian without encountering issues due to outdated methods or conflicting package versions.

Copy .exe file to multiple computers

Learn how to copy an .exe file from one computer to multiple computers with administrative privileges.

Can't Change Home Directory in TrueNAS: A Guide for Userx Example

Learn how to change the home directory for a user in TrueNAS. This guide focuses on the Userx example and explains the issue when the $HOME variable is not configured correctly.

Resolving OpenVPN LAN Issue on Raspberry Pi 4 with NordVPN iOS Client

This article provides a solution to the OpenVPN LAN issue on Raspberry Pi 4 when using NordVPN iOS client as an OpenVPN client to access files on the LAN. Follow the steps below to resolve the issue.

Debian 12 Wireguard Client Connection to Fritzbox 7530 VPN Router/Server: How to Force Local Internet Connection

This article provides steps to successfully connect a Debian 12 Wireguard client to a Fritzbox 7530 VPN router/server. It also covers how to force the Debian 12 client to use a local internet connection rather than passing all traffic through the VPN tunnel.

Auto-refresh Firefox Kiosk Unable to Connect

This article provides solutions for a Firefox Kiosk that is unable to connect to the server, causing the kiosk to display 'Unable to connect Firefox cannot establish a connection to the server'.

Windows 10 Cygwin Error: /bin/bash: Exit 126. Failed to Run /bin/bash: Permission Denied - A Quick Guide to Troubleshooting

If you're encountering a Cygwin error on Windows 10 with an exit code 126 and permission denied message, this guide will help you quickly identify and fix the issue. Learn about potential causes and solutions now.

Resolving OpenVPN LAN Issue on Raspberry Pi 4 with NordVPN

This article provides a solution to the OpenVPN LAN issue encountered while connecting outside the LAN and accessing files on the Raspberry Pi 4 running NordVPN. Follow the steps below to resolve the issue.

Combining Audio RTP with UDP src in Gstreamer

This article explains how to combine Real-time Transport Protocol (RTP) with User Datagram Protocol (UDP) src in Gstreamer for streaming purposes. We will demonstrate how to read RTP (PCMU coded) UDP packets using gst-launch and write the output to a file.

Mapping SELinux User to Linux User

Learn how to map a Linux user 'imran' to a SELinux user 'secman_u' in Alma Linux OS, following Red Hat's SELinux guide (latest documentation for RHEL 9).

Postman: Sending POST requests

Learn how to use Postman to send POST requests to URLs. In this tutorial, we will show you how to send a POST request to a machine using the provided URL.

Browser Not Rendering HTML Correctly on PC

Recently, browsers on PC have started not rendering parts of HTML pages, particularly 'code' attributes. This issue does not occur on Linux machines or phones.

Installing pgAdmin4 Server Mode on Debian 12 with Nginx and Gunicorn

This article provides a step-by-step guide on how to install pgAdmin4 in server mode on a Debian 12 system using Nginx and Gunicorn. The pgAdmin4 setup is placed inside a virtual environment.

DHCPCD.conf IPv4/IPv6 Fallback Configuration

Learn how to configure DHCPCD for IPv4 and IPv6 fallback using static profiles. This article covers the necessary steps to set up static IP addresses and default gateways for both IP versions.

Git Add: A Comprehensive Guide to File Addition in Git

Learn how to use Git Add effectively to manage your files and track changes in your Git repository. This comprehensive guide covers the basics of Git Add and provides tips for efficient file addition.

Google Websites: Broken Google Drive Login Picker on Chrome

For the past year, the Google Drive activity login picker on Google websites has stopped working, causing no response when clicking buttons. Console shows errors related to C...

Comments loops behaved differently outside loops in Tcl

This article discusses the strange behavior of comments loops in Tcl, and why they don't work as expected outside of loops.

Solving Gigabyte Motherboard Periodic Stuttering Issue in Linux on Intel CPUs

This article aims to provide a solution for users experiencing periodic stuttering on Gigabyte motherboards with Intel CPUs when running Linux. The issue may occur even after switching from an i5-6600k to an i7-7700, and affects AMD-based systems as well. The article will provide insights into potential causes and offer troubleshooting steps for this issue.

uBlock Origin Custom Filters: Leading Double-Pipe Symbols Not Working?

This article provides a solution for issues encountered when using leading double-pipe symbols in uBlock Origin custom filters. It explains the syntax for matching beginning domain/hostnames URLs and disables Reddit's auto-translation feature.

Pi-hole Running Docker Desktop on MacOSX: Network Mode: host Not Filtering

This article provides a solution for Pi-hole users running Docker Desktop on MacOSX who are experiencing issues with network mode: host not filtering. We will walk through the necessary steps to modify the docker-compose.yml file to ensure proper functioning.

New Vertical Sidebar Feature in Firefox: A Guide

Learn about the new vertical sidebar feature recently rolled out in Firefox, which includes extension icons pinned to the left side of the main window.

Arch Linux Laptop: Unable to Turn on wlan0 with iwctl

This article provides a solution for Arch Linux users who are unable to turn on wlan0 using iwctl and can't connect to WiFi. We'll discuss a common issue and a possible solution.

Render Cursor Headless: Automating Forms on a Linux Machine with Google Cloud Platform

Explore the process of recording a bot performing form automation on a headless Linux machine using Google Cloud Platform. Learn how to access the machine without hardware access.

How to Repair Grub with df -h Filesystem Details?

Learn how to repair Grub using the df -h command to view filesystem details. This guide provides step-by-step instructions to help you troubleshoot and fix Grub-related issues in Linux. Read more to find out how.

Can REMnux Serve Multiple Web Pages with Different IP Addresses?

This article explores the possibility of a single VM (in the REMnux case) serving multiple different web pages with different IP addresses, using a single interface with accept-all-ips and fakedns activated.

Unable to start Docker service on Windows 10 Pro

This article provides a solution for launching Docker Engine on a Windows 10 Pro machine without using Docker Desktop. We will explore the possibility of running a Windows Server Core to host the Docker service.

Uninstalling Installed Script on Xubuntu: CMOS Reset Required Every Time

This article provides a step-by-step guide on how to uninstall a script that has been installed on Xubuntu. However, it is important to note that every time the system crashes, a CMOS reset is required. Follow the instructions below to uninstall the script.

Troubleshooting MySQL Connector Identifying Connection Attempts by IP Instead of Localhost

Having trouble with your MySQL Connector identifying connection attempts as your IP instead of localhost? This article provides an overview of the issue and some potential solutions to help you troubleshoot and resolve the problem.

SSH Connection Not Taking Kerberos Ticket Along

This article discusses a problem with SSH connections not taking Kerberos tickets along. It provides solutions for both Linux and Windows systems.

Connect Specific IP Address Server on VirtualBox Behind NAT

Learn how to connect a specific IP address server running on VirtualBox behind NAT using curl. This guide will walk you through the process of configuring the host machine and accessing the server.

Extracting .tar.gz files on MacOS

Learn how to extract .tar.gz files on MacOS. This guide provides step-by-step instructions to extract a tarball created on a remote server.

Older Apps Don't Scale Even with Resize: 4K 175% Scaling Still Not Good

Exploring the issue of older apps not scaling well even when resized, especially on 4K displays. A comparison of the issue is provided for better understanding.

Can't Get Rsync to Exclude Specific Directories? Here's the Include Option to Try

Having trouble excluding certain directories while using rsync? Learn how to use the include option to copy only specific directories and ignore the rest with an example of INCLUDE_DIR={"*/","Documents/*"}.

Configure ClamAV + C-ICAP server

This article guides you through the process of configuring a ClamAV server with C-ICAP for antivirus scanning. Follow this easy open-source solution to protect your network from malware.

Not able to connect SFTP on a specific network

This article provides solutions for not being able to connect SFTP on a specific network. It discusses the issue of having two SSH daemons running, one on port 22 for normal SSH connections with key authentication, and another on port 21 configured to accept SFTP connections with password authentication.

Restricting SSH Access for wheel Group Users in Red Hat 9 using PAM's pam_access.so - Not Denying Access

Having trouble restricting SSH access for users in the wheel group using pam_access.so in Red Hat 9? This article provides a brief overview of the issue and invites readers to explore a tech support solution.

Understanding the Use of X-KDE-Priority in Desktop Context Menus

This article discusses the supposed usage of X-KDE-Priority in setting actual priority in real desktop context menus, specifically in the absence of a 'Copy Location' context menu item in the KDE Plasma desktop. An alternative solution is provided for users in need of this functionality.

Funnel Local Network Traffic Through a Local Cache Proxy

In this tech support article, we'll discuss how to funnel local network traffic through a local cache proxy. By doing so, devices connected to the local network can access the Internet more efficiently. Learn how to set up a local cache proxy and improve network performance.

Preventing AP Switching Drops in Dual WLAN Bonding on Raspberry Pi

This article provides a solution for preventing AP switching drops in dual WLAN bonding on a Raspberry Pi while running DonkeyCar. By implementing the correct bonding configuration, you can ensure stable and uninterrupted real-time video feed and control.

Secure VNC Screensharing Connection Mac (Client) Windows 10 (Server) via SSH Tunnel