Articles about linux | UserComp.com

Understanding Actions that Help a Virus Move in a Virtual Machine Host System

This article explores the actions that may allow a virus to move within a virtual machine host system. While it is generally difficult to escape a virtual machine, there are certain exceptions and interactions that can facilitate the virus's movement.

Firefox ESR: Something Wrong - Profiles Page Not Found

This article provides a solution for the issue where the Profiles page is not found in Firefox ESR 12.8.6 on Debian 12. The window displays 'Command not found' instead.

PSU Making Noise When Connected to UPS (Normal Mode) Startup

A newly built PC is making a noise when the PSU is connected to the UPS. The PSU is a Thermaltake model, but it's causing issues during startup in normal mode. This article provides suggestions for possible alternatives.

Troubleshooting Weird Artifacts with Ryzen 5 7600X Integrated GPU

This article provides solutions to the weird artifacts issue experienced on a new build with a Ryzen 5 7600X CPU and TUF Gaming B650M-Plus motherboard, using the integrated GPU. Windows 11 sometimes encounters this issue.

New version of zsh still shows old value for $SHELL variable

Recently upgraded zsh from 5.7.1 to 5.9, but the old executable /bin/zsh and the new one /usr/local/bin/zsh have different login shell general properties. The $SHELL variable still shows the old value.

Mounting NTFS Filesystem on External Drive in Kubuntu

This article guides you on how to mount an NTFS filesystem on an external drive in Kubuntu. Follow the steps to ensure a seamless experience.

Understanding File Permissions on External Hard Drives Accessed via USB

Learn about file permissions on external hard drives when accessed via USB on both Linux and Windows systems. Discover the differences and best practices for maintaining secure access.

Static IP Configuration on Unraid Server

This article guides you through the process of configuring a static IP on an Unraid server. Follow the steps to ensure full local intranet access without internet access. The VM, Unraid Server, and Router are set to allow DHCP, and the static IP is configured. However, the issue arises when the static IP is set, resulting in full local intranet access but no internet access.

Making Keyboard Button Perform Left Click with AutoHotkey: A Tech Support Guide

Learn how to use AutoHotkey to make a keyboard button perform a left click. This guide is designed to help users of Windows, MacOS, and Linux systems to create custom keyboard shortcuts for improved productivity. Read more to discover how to optimize your tech support skills.

Troubleshooting SSL Connection Errors

This article provides a step-by-step guide to troubleshoot SSL connection errors. Learn how to diagnose and resolve common SSL connection issues on various platforms.

Change Umask User Using Tcsh in XFCE (Debian)

This article provides a solution to change the umask user in Tcsh within the XFCE environment on a Debian system.

Improving Ubuntu Memory Management for a Slow Computer After Installing Weeks Ago

If you've installed Ubuntu a few weeks ago and have noticed that your computer is frequently freezing or running slow, it might be due to inefficient memory management. This article explores ways to optimize Ubuntu's memory management for a better user experience, particularly when running memory-intensive applications like Android Studio and Chrome tabs.

Intel Core Ultra 7265KF Stress Test Overheating and Throttling

This article discusses the overheating and throttling issues encountered during a heavy stress test on a new Intel Core Ultra 7265KF CPU. It provides solutions to mitigate these problems.

Mirroring Directories on a Pendrive

Learn how to mirror directories DIR1, DIR2, and DIR3 from a pendrive using ROBOCOPY command.

Understanding Sequential File Format in Code

Learn about the sequential file format, its importance, and how to work with it in various operating systems. This article provides a comprehensive guide for developers and programmers.

Configuring Firewall Port Block Rule for Private Network Access

This article provides a step-by-step guide on how to configure a firewall port block rule for private network access, ensuring that inbound probes on port 445 are blocked while allowing access to shared files within the network.

IP Rule Not Respected on Linux VPS

This article discusses a common issue where an IP rule is not respected on a Linux VPS when connected to a gameserver proxy via a FOUIPIP tunnel. We will guide you through the process of setting the tunnel's default gateway and troubleshooting traffic flow issues.

Fixing Widescreen Flickering and Blinking on Your Computer While Gaming

Experiencing flickering and blinking on your widescreen while gaming can be annoying and painful for your eyes. This article provides solutions to similar frequency issues related to power voltage.

IP Rule Not Respected on Linux VPS with FOUIPIP Tunnel

This article provides a solution for an issue where the IP rule is not respected on a Linux VPS connected to a gameserver proxy via FOUIPIP tunnel. The gameserver is set with the tunnel as the default gateway, but traffic flow is not as expected.

Troubleshooting: Gamer Running Linux Server Not Using Correct Route

This article provides a solution for a gamer running a Linux server who is not using the correct route. The issue arises when setting up a proxy server for a game server on a different VPS and tunneling using SSH. We will use the 'firewall-cmd' command to add a masquerade to the 'public' zone permanently.

List of Systemctl Timers Failed in Last Run

Learn how to list systemctl timers that have failed in their last run using the systemctl list-timers command. Optimize your Linux system with our step-by-step guide.

Removing Unwanted TOC Heading Entry in Hebrew Document using MS Word 2021

This article provides a solution for removing an unwanted TOC Heading Entry in a Hebrew document using MS Word 2021. Learn how to fix this issue and maintain a clean table of contents.

No Internet Device Connected in Ubuntu 14.04.6

This article provides solutions for users who installed Ubuntu 14.04.6 using a USB flash drive and encounter no internet device access. The issue is discussed, and potential solutions are offered.

Automatically Populated Environment Variable in crontab for Windows 11 WSL

Windows 11 automatically populates the HTTP_PROXY variable, but it seems that WSL is not loading this information from /etc/environment. This article will provide a solution to this problem.

Using RJ45 USB Cable Correctly

This article provides instructions on how to correctly use an RJ45 USB cable, including connecting one side of the cable and troubleshooting common issues.

Bluetooth Headset Pairing Complete but Not Recognized on Linux

This article provides solutions for pairing a Bluetooth headset with a PC, but the headset is not recognized after a successful pairing. Normally, the PC should say 'connected' after successful pairing.

Bluetooth Headset Pairing Complete but Not Recognized in Linux: Issue and Solution

Having trouble with your Bluetooth headset pairing in Linux? Despite a successful pairing connection, your headset is not being recognized. This article provides a solution to this common issue, making it easier for you to enjoy your music or make calls on your Linux PC. Read more to learn how to fix this pairing problem.

Fix Duplicate IP Addresses on DHCP Server (Mesh Wi-Fi)

This article provides a solution to fix duplicate IP addresses on a DHCP server in a mesh Wi-Fi setup. The DHCP pool is managed entirely by the main AP/router connected to an ISP. The router has been rebooted, and the DHCP pool appears to have duplicate IP addresses.

Exist UEFI-enabled boot time virus scanner runs on transferred hard drive?

Accidentally left AVG ShieldsDown, executed program later scanned trojan virus. Rootkits work, don't believe anything signed UEFI chain.

GDM Denying Access: Unable to Login with Username 'lmo' and Password 'oo' on Linux Session

This article provides a solution for the issue where users are unable to login to a Linux session using the GNOME interface with the username 'lmo' and password 'oo'. This problem occurs in a virtual environment. The solution involves using TTY.

IPv4 routes (added OpenConnect) not respected, race condition?

The user is using OpenConnect to connect to a campus VPN. The IPv4 routes added to the connection are not being respected, potentially due to a race condition. This article will help diagnose and resolve the issue.

Classifying Range Values Based on Another Range Values

This article provides a method for classifying a range of values based on another range of values. We will explore two classifications, B and C, and discuss the composed values for each. This technique can be useful in various programming and data analysis scenarios.

Connecting Printer to LAN: Two Separate Networks

Learn how to connect a printer to two separate LANs, each with its own set of PCs. This guide covers connections via Ethernet cables.

Enabling VirtualBox Guest Additions on RHEL 9 Server (CLI)

This article explains how to enable VirtualBox Guest Additions on RHEL 9 Server using the command line interface (CLI). This guide assumes you have upgraded RHEL 9.4 to RHEL 9.5 and are using Windows 11 Home 23H2 as the host operating system and RHEL 9.5 (CLI) as the guest operating system.

Finding Directories Containing MKV Files: Links Explained

In this article, we will discuss how to find directories containing MKV files and explain the links used in the command. We will demonstrate the process on various operating systems including Linux, Windows, and MacOS.

GDM Denying Access: Unable to Login Linux Session with GNOME Interface

This article provides solutions to resolve GDM denying access issues when trying to login to a Linux session with the GNOME interface. The user is unable to login with the username 'lmo' and password 'oo'.

Resolving Domains: File Write Output to txt File

This script resolves domain names and writes the output to a txt file. It is useful for troubleshooting DNS issues. Keywords: resolve, domains, file write, output, txt file.

Fixing Frozen Playback in VLC: A Guide

Learn how to fix frozen playback issues in VLC media player using FFmpeg's concat and cut commands.

Add Bridge Interface to Docker Image for QEMU VM Reachability

This article guides you through the process of adding a bridge interface to a Docker image, enabling seamless connectivity between a QEMU virtual machine and the host network. Learn how to create a script for setting up the necessary network interface in Alpine Docker. Improve your tech support skills with this essential Docker and QEMU networking tutorial.

Docker Interface

This article provides an overview of the Docker interface, explaining its purpose, usage, and benefits for containerized applications. Learn how to interact with Docker containers and manage your applications more efficiently.

AAC Encoder Returns Different PTSDifferent Frames Different PTS

This article discusses a problem encountered while using an AAC encoder to convert sound into an MP4 file, where the encoder returns an error writing the MP4 file. We provide a solution to this problem.

How to Dispute a Charge on Priceline

Learn how to dispute a charge on Priceline by following the steps outlined in this article. If you decide to seek arbitration, read on for instructions.

Instructing BCDEdit to Dual Boot Ubuntu Located on Different Drive

This article provides instructions on how to modify the boot options in BCDEdit to dual boot Windows and Ubuntu, which are installed on different drives.

Finding Registered DLL Class Name for Elderly Application Replacement

This article provides a step-by-step guide on how to find the registered DLL class name for an elderly application that is about to be replaced. The guide covers methods for both Windows and Linux systems.

Raspberry Pi 4: SSH port open, SSH hangs while attempting 'perl-MCPAN-eshell' command

Trying to install CPAN on a fully updated Raspberry Pi 4 remotely (different country) using the command 'perl-MCPAN-eshell' results in SSH hangs. This article provides a solution to the issue.

HPSmartcard Keyboard: PIN Pad Reader Keyboard Doesn't Work

This article discusses a problem with the HPSmartcard Keyboard where the PIN Pad reader keyboard doesn't work. We provide solutions for both Linux and Windows.

Adding RTSP sink plugin in GStreamer

Learn how to add an RTSP sink plugin in GStreamer 1.25.1. This guide covers the process of building and installing the necessary components.

Remote RPiping ablessh port openssh hangs attempting perl cpan install command

This article provides a solution for the issue where attempting to install CPAN using the command 'perl -MCPAN -eshell' on a fully updated Raspberry Pi 4 results in a hanging OpenSSH connection. The problem is caused by a remote IP address being used, and a graphical connection is selected automatically.

HPSmartCardKeyboard - Driver Issue - PIN Pad Reader Not Inserting

This article addresses the issue of the HPSmartCardKeyboard not inserting the PIN Pad reader during the SmartCard SafeNet client process. We provide solutions for both Linux and Windows systems.

Unable to Understand Route Host Interface Bridge: Solutions Provided

This article provides solutions to the problem of understanding the Route Host Interface Bridge. The issue was encountered despite trying various solutions found on the internet. Let's discuss the situation and find a working solution.

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