Articles in Linux | UserComp.com

Shrink Snapshot VDI [VirtualBox]

This article provides solutions to shrink a VirtualBox VDI snapshot. Tried methods like filling zeros with SDelete, but none seem to work. Let's explore potential solutions.

Thunderbird Slow Display of Inline Images (Not Others)

This article discusses a common issue with Thunderbird where inline images are slow to display, but other images are not affected. We'll explore possible solutions to this problem.

WSL Distributions Stopping Computer Starts - Docker Desktop Error: Access Denied (WSL2)

This article addresses the issue where Windows 11 Enterprise 23H2 reboots every time due to WSL distributions (PowerShell) and provides a solution for the Docker Desktop error: Access Denied (WSL2).

Docker Container Lost Access to Internet

This article provides solutions for a Docker container that has lost access to the internet. The container might experience request timeouts, hangs, or failed connections when trying to access external resources.

IrfanView TWAIN Selection Keeps Defaulting to Wrong Driver

This article addresses an issue where IrfanView's TWAIN selection keeps defaulting to the wrong driver, sometimes seemingly randomly. This problem occurs for specific users.

Firefox: Reordering List Extensions - Puzzle Piece Icon Dropdown Issue

Experiencing issues while reordering extensions in Firefox using the puzzle piece icon dropdown? This guide offers solutions to help you resolve the problem.

Change DPI of JPG using command line (ExifTool) - New DPI recognized by Photoshop

Learn how to change the DPI of a JPG image using the ExifTool command line tool. This new DPI will be recognized by Photoshop.

Configure IP HP Procurve 232-4 switch via minicom on RHEL 9 machine connected with DB-9 RJ45 cable

This article provides a step-by-step guide on how to configure an IP address on an HP Procurve 232-4 switch using minicom on a RHEL 9 machine connected with a DB-9 RJ45 cable. The guide assumes that the switch has been reset to factory defaults.

Moving Windows Drive Files to Unix Location: A Comprehensive Guide

Learn how to move Windows drive files to a Unix location using Putty.bat and manual cmd line run. This guide provides a step-by-step process to grab the latest file timestamps and transfer files seamlessly between Windows and Unix systems.

DNSmasq not working: 3 nameserver lines in resolv.conf on RHEL 8.10

This article discusses a common issue where DNSmasq is not resolving domain names on a RHEL 8.10 box, even though there are 3 nameserver lines in the resolv.conf file. We will provide a solution to this problem.

Considered Safe Good Practice: Enabling Guest Additions in Kali Linux Guest Box on Windows 11 Host

Learning to use Kali Linux, wondering if enabling Guest Additions is considered a safe best practice for transferring files from a Windows 11 host? Let's find out.

Automating Deployments and Log Updates with Bash Script

Learn how to automate deployments and log updates using a Bash script. This article provides a step-by-step guide to creating a Bash script that deploys updates and logs the results. Make your deployments faster and more efficient with this Bash script.

United Airlines Responds to Complaints

United Airlines offers various customer service channels to address complaints and ensure passenger satisfaction. The airline's responsiveness aims to maintain a high level of customer satisfaction.

Assign Search Shortcuts in Google Maps for Firefox

Learn how to assign search shortcuts in Google Maps for Firefox. This guide will help you save time and navigate more efficiently.

Unpinning and Pinning Network Folders: Error Solutions

This article provides solutions for errors encountered while unpinning and pinning network folders. Images 1 and 2 demonstrate the errors users face. Let's dive into the troubleshooting process.

Configuring Allowed Specific URLs with WatchGuard

Learn how to configure allowed specific URLs on WatchGuard for enhanced network security. This article provides step-by-step instructions for various operating systems.

Inode Usage Goes 1% to 100% on Single File Creation in Raid Array on Debian

This article discusses the issue of inode usage going from 1% to 100% when creating a single file in a Raid Array on Debian. We will provide a solution to clean the boot, set up LUKS, and mount the volume to resolve the issue.

Robocopy won't copy items older than destination folder

Learn how to copy files from an external drive to a laptop, where the files are older than the destination folder using Robocopy.

Allowing Specific URLs in WatchGuard

This article provides a step-by-step guide on how to allow specific URLs in WatchGuard, enhancing network security and access control.

Display Settings Window Blank Opening in Kali Linux after switching to bigger monitor

This article provides a solution to the issue of the Display Settings window opening blank in Kali Linux after switching to a bigger monitor.

Efficiently Create Chinese/CJK .ttf Font Using Drawn Radicals

Learn how to efficiently create a Chinese/CJK .ttf font using drawn radicals. This method saves time compared to drawing each character manually.

Accessing Old Linux SATA HDD via USB-to-SATA Adapter on Windows 10 - Do I Need Special Software?

Learn how to access an old Seagate Barracuda 7200.250GB Ultra SATA HDD used on a Linux machine 15 years ago via a USB-to-IDE/SATA adapter on Windows 10. Discover if you need special software for this process.

Display Settings Window Blank Opening on Kali Linux

This article provides a solution for the issue where the Display Settings window opens blank on Kali Linux after booting from a USB drive and the settings change after switching to a bigger monitor.

Understanding the fstab -o Option for Network Drive Mounting

This article explains how to use the fstab -o option to mount a network drive during boot in various Linux distributions. We'll cover the necessary steps and provide examples for successful network drive mounting.

Encoding Video with AV1 Compression: A Comparison with H.265

In this article, we explore the world of video compression by comparing AV1 and H.265. AV1, a relatively new open-source codec, is known for reducing file sizes by around 40-50% compared to H.265. Let's dive into the details.

Building a Diskless Kiosk with Alpine: Keyboard and Mouse not working in Xorg

This article aims to help users who are trying to build a diskless kiosk using Alpine Linux and are experiencing issues with the keyboard and mouse not working in Xorg.

Changing Sound Output Device Command Line Gnome

This article provides instructions on how to change the sound output device using command line in Gnome desktop environment on Ubuntu 20.04 LTS. This is useful when managing digital signage players to ensure consistent behavior even when monitors are turned off at night.

Understanding Significant Memory Usage by PID Process in RHEL 8.6 with systemctl services

This article explains why the PID process of systemctl services on RHEL 8.6 is consuming significant memory and provides solutions to optimize memory usage.

Trouble Installing interact.js

This article provides solutions for common issues encountered during the installation of interact.js. It explains the installation process and addresses warning messages that may appear.

Unable to permanently adjust hard/soft open files limit on Debian 12 with kernel 6.1.0-32-amd64

This article provides a solution to the issue of being unable to permanently adjust the hard and soft open files limit on a Debian 12 workstation running kernel 6.1.0-32-amd64, despite having more than sufficient memory.

Capture Basic System Performance Snapshot (Historical Report)

Learn how to capture a minimal historical performance information of a computer, helping you decide if it's the right time to buy a new one.

Enabling Schnorr Sign module in go-ethereum/crypto/secp256k1

This article guides you on how to compile and enable the Schnorr Sign module in go-ethereum/crypto/secp256k1 by running additional flags during the ./configure phase.

RAID5 mdadm array disappearing after reboot

A 3TB RAID5 array created on a home server using webmin stopped syncing files after being moved around and rebooted. The array appears to have disappeared.

SSH Permission Denied with Correct Password - Public Key

This article will help you troubleshoot an SSH Permission Denied issue, even when the correct password is entered. We'll explore possible causes and solutions for this problem.

Disabling Nagle Algorithm in Squid Proxy

This article provides instructions on how to disable the Nagle algorithm in a Squid Proxy server. This can help improve network performance in certain scenarios.

Accessing PostgreSQL Database in WSL from pgAdmin on Windows

Learn how to connect pgAdmin on Windows to a PostgreSQL database in WSL without logging in. Follow these steps to set up the connection.

OBS Studio Low Volume Not Picking Up Audio Like Cellphone

Experiencing low volume issues with OBS Studio while connected to a Behringer UMC404HD audio interface? Here's a guide to help you troubleshoot and fix the problem.

Revert Firefox to Show Muted Tabs

Learn how to revert Firefox to show muted tabs and manage multiple muted tabs effectively.

Implementing WebTransport HTTP/2 Server using JavaScript/WebAssembly in Browser

This article provides a step-by-step guide on how to implement a WebTransport HTTP/2 server using JavaScript and WebAssembly in an isolated web app (IWA) browser. We'll successfully create an HTTP server using Direct Sockets TCP Server Socket.

Troubleshooting Occurred Disk Power-On Lifetime Errors on Arch Linux PC

This article provides solutions to troubleshoot 'Occurred Disk Power-On Lifetime' errors on an Arch Linux PC. Despite an extended test showing no errors, the issue persists. Let's delve into possible solutions.

Better Brave/Chrome Task Manager: Kill Tab Processes Checklist

Regularly operating hundreds of tabs spread across multiple desktops can lead to memory leaks or excessive RAM usage. This guide provides a checklist for managing tasks using the Better Brave/Chrome Task Manager.

Authoritative DHCP Option Not Working: Two Virtual Machines on a Single PC

Two virtual machines installed on a single PC, one acting as a DHCP server, and the other as a client. However, the authoritative DHCP option is not working. The router responds with a request instead of an offer. This article provides a solution.

Execute Command Put Results in File Descriptor

Learn how to execute a command and put its output in a file descriptor. This tutorial covers both Linux and Windows platforms, providing examples for anonymous file descriptors and redirecting output. Improve your command line skills with this useful technique.

Tailscale VPN Not Working on NPM Locations with TrueNAS Scale

This article provides a solution for Tailscale VPN not working on NPM locations with TrueNAS Scale. Follow the steps to configure and troubleshoot the issue.

Error Code: WSL/Install Distro/0x80072eff - Installing Linux Distribution WSL

This article provides a solution for the error code 0x80072eff that occurs when trying to install Debian distribution using WSL. The error message appears as: 'wsl.exe --install Debian Downloading: Debian GNU/Linux connection server reset ===========...'.

Configure LightDM/Xorg for Integrated Graphics

This article provides instructions on how to configure LightDM and Xorg to use integrated graphics on a system with a CPU that supports it, such as the Intel HD Graphics 14900K. This setup aims to minimize the use of VRAM and reduce the need for a dedicated GPU.