Articles in Linux | UserComp.com

Wireguard Proxy: Port 443 Traffic Forwarded not Port 80

Recently invested in a cheap VPS for my homelab, the main objective being to use a proxy with Wireguard. However, I've encountered an issue where Port 80 traffic is not being forwarded, but Port 443 is. In this article, we will discuss potential solutions to this problem.

WSL, Docker, compose, volume, bind, mount, empty host: Setting up Gitea container in WSL

Learn how to set up a Gitea container in WSL using Docker Compose with an empty host volume bind mount.

Running Chromium Browser Terminal Commands on OpenFyde/ChromiumOS

Learn how to run Chromium browser terminal commands on OpenFyde/ChromiumOS to set specific parameters such as zoom factor.

Bind Mounts: Alternatives when Target Already Exists?

When working with bind mounts to read-only files or directories in specific locations, an error may occur if the target already exists. In this article, we will discuss alternatives and workarounds to overcome this issue.

Fish: Not able to load built-in functions when experimenting with subdirectories

When experimenting with Fish shell and looping through subdirectories in the current directory, the user encounters an issue where built-in functions are not being loaded. In this article, we'll discuss possible solutions to resolve the problem.

Systemd Coredump: Reused PID and Extracting Actual Coredump

Learn how to handle and extract actual coredumps when using Systemd's coredump management system call. Discover what happens when a PID is reused.

Opkg Install of OpenSSH-SFTP-Server Not Working on OpenWRT 22.03.0-rc6

Users encountering issues with OpenSSH-SFTP-Server installation on OpenWRT 22.03.0-rc6.

Fish Shell: Looping Through Subdirectories in Current Directory

In this tech support article, we will explore how to loop through subdirectories in the current directory using Fish Shell. While Fish Shell syntax is similar to Bash, handling subdirectories with loops is an essential skill for any system administrator. Try the following steps to loop through subdirectories in Fish Shell: 1. Set the current directory as the working directory. 2. Use the `for` loop construct to iterate through each subdirectory. 3. Execute a command in each subdirectory. Example: echo 'Hello from {dir}' --readmore

Linux Installation Stalls: Monitor Goes to Sleep Mode

During Linux installation on an SSD, the monitor enters sleep mode, causing the installation to stall. This article provides possible solutions to prevent the monitor from sleeping and successfully complete the installation.

Azure VM Login Failing: Entra ID Error - Troubleshooting Steps

Learn how to troubleshoot and resolve Azure Virtual Machine login issues caused by Entra ID errors.

Dual-Booting Linux (Manjaro) and Windows: Managing Files and Folders on Separate SSDs and a Shared EXT-FAT HDD

In this tech support article, we'll guide you through managing files and folders in a dual-boot system with Linux (Manjaro) and Windows installed on separate SSDs, as well as a shared EXT-FAT HDD.

Resolving Asymmetric Routing Issue in a Network with PfSense Router

Learn how to troubleshoot and resolve asymmetric routing issues in a network with PfSense router. This article covers a network with a PfSense router tagged for network 10.1.0.0/23 and VLAN 10.1.40.0/24, and a wireless computer connected to network 10.1.0.0.

Internal Mic Not Working on Redmi Book 15 Pro with Ubuntu 24.04

User reports that the internal microphone is not working on their Redmi Book 15 Pro after upgrading to Ubuntu 24.04. The internal sound is working fine, but the microphone is not detected. Here are some suggested steps to troubleshoot the issue.

How to Make an Existing Premium AAD User a Standard User or Local Admin via CMD in Azure AD Hybrid Environment

Learn how to make an existing Premium AAD user a Standard User or Local Admin using CMD in an Azure AD Hybrid Environment.

Squid Proxy Configuration File: Incorrect Guess Not Working

Learn how to troubleshoot and correct common issues with the Squid Proxy configuration file when connecting another device to the network.

Incorrect FSTAB Mount or Disk Usage Issue: A Tech Support Guide

Experiencing issues with incorrect FSTAB mounts or disk usage? Learn how to troubleshoot and resolve common problems related to adding a second disk, RPIGIVE, and cleanup/free space.

Can Linux Kernel Access Page Table Virtual Memory?

The Linux kernel can interact with page tables, which manage virtual memory mappings. While it doesn't directly access virtual memory, it uses page tables to manage and manipulate the mapping of virtual addresses to physical addresses. Therefore, the Linux kernel indirectly manages virtual memory through page tables.

Configuring Firewall Logging: Correctly Setting Up Logging for SRV1 and SRV2

In this tech support article, we will guide you through the process of correctly configuring firewall logging for SRV1 and SRV2. Set up BIND logs on SRV1 to send logs to SRV2.

Troubleshooting Xorg Installation with dpkg on ARMbian (No Internet)

Learn how to install Xorg packages using dpkg on ARMbian without an internet connection. This article covers the dependency problem and required package installation.

Unable to Adjust Firefox Window Size in Kali Linux

This article provides a solution for users experiencing issues with adjusting the Firefox window size in Kali Linux. The terminal command to resolve the problem is provided.

Localhost not found: Creating a site on port 443 for .NET 2.1 applications

Learn how to create a new site on localhost with .NET 2.1 applications using IIS and port 443.

Troubleshooting CPU Slower IDs with Intel i9-13900K: A Linux Perspective

Users of Intel i9-13900K processors on Arch Linux have reported experiencing slower IDs, leading to high percentages. In this article, we explore potential causes and solutions for this issue.

Resolving AMD GPU Issue for Windows Host with Linux Guest (Radeon 6800XT)

Users report difficulties running software that requires AMD GPU availability in a Linux guest operating system on a Windows host with an AMD Radeon 6800XT graphics card. This article offers potential solutions to resolve the issue.

Troubleshooting GPG Decryption: 'gpg: no valid OpenPGP data found' error

Users encountering a 'gpg: no valid OpenPGP data found' error while decrypting a file created in October 2009 on a Linux machine are advised to double-check the file's integrity and ensure the correct password is being used.

Changing GRUB to Bootloader instead of Windows Boot Manager in Dual-Boot System (Windows 10 and Ubuntu)

Learn how to change the default bootloader from Windows Boot Manager to GRUB in a dual-boot system with Windows 10 and Ubuntu. This process may be necessary after removing the Ubuntu boot partition.

Mounting External Drives with mount command in fstab not working: A Troubleshooting Guide

This article provides a step-by-step guide to troubleshoot issues with mounting external drives using the mount command in fstab on Linux systems.

Setting up WireGuard on Ubuntu 23.10 with FritzBox: HTTP Connection Times and PING ok

Learn how to set up WireGuard on Ubuntu 23.10 using a FritzBox as a home router and explore HTTP connection times and PING results.

Automatically Assign Proper IP Addresses in Libvirt Network for Single VM

Learn how to configure Libvirt network to automatically assign proper IP addresses to a single VM, routing packets between the host and the virtual machine.

GnuPG: Possible Sign Precreated Digest/Hash?

Users have reported encountering an issue with GnuPG where the signature seems to have been precreated with an incorrect digest or hash. This article explains the possible causes and solutions for this problem.

Resizing QEMU Image: Extending Partitions for XBOX Emulator

Learn how to resize a QEMU image and extend partitions for an XBOX emulator. This guide will walk you through the process of increasing the size of your QEMU disk and partitioning it for optimal emulation performance.

FFmpeg Concatenation Failure on Ubuntu Desktop i386 16.04.4 for Short Videos

Users encounter issues with FFmpeg concatenating much shorter videos (less than 4180 seconds) on Ubuntu Desktop i386 16.04.4.

Setting up OpenVPN Connection between Two PCs behind a CGNAT Cloud Server

Learn how to establish an OpenVPN connection between two computers behind a CGNAT (Carrier-Grade NAT) cloud server. This guide covers setting up an OpenVPN server machine and configuring two client machines to route traffic.

Incorrect Partition Sizes Assigned During Linux Installation on New WD Blue SSD

Users report incorrect partition sizes during Linux installation on a new WD Blue SSD. This article discusses possible causes and solutions for this issue.

Understanding Real Memory and Creating Kernel Modules in Linux: A Case Study with Alcatel OneTouch Pixi Avion (A571VL)

Learn about the distinction between real and virtual memory and how to create kernel modules in Linux. This article provides a practical guide using the Alcatel OneTouch Pixi Avion (A571VL) as a case study.

Fixing Incorrect LVM Partition Allocations: Filesystem Size vs. Used and Available

Learn how to check and correct incorrect LVM partition allocations causing discrepancies between Filesystem Size, Used, and Available space.

Linux Mint Cinnamon 21.3 Won't Boot Using GRUB2 on Asus Laptop

Users report slow performance and burning SD card issues when trying to switch OS from Windows to Linux Mint Cinnamon 21.3 on their Asus laptops. The problem persists even after disabling Safe Boot and Fast Boot. Learn how to troubleshoot this issue.

Configuring Firewall to Allow Docker Application Access to Virtual Machine

Learn how to configure firewall settings to allow Docker applications to be accessed from a virtual machine host system

Configuring Bind9 Response Rate Limiting for a Specific Subnet

Learn how to configure Bind9 response rate limiting for a specific subnet to limit the number of requests sent per second. In this example, we will set the limit to 2001:dead:beef/48 for 200 requests per second.

Unable to Mount Windows Shared Folder on RASP5 with Error: 'yLC0es9a: command not found'

This article explains how to troubleshoot and resolve the issue of mounting a Windows shared folder on RASP5 using the `mount.cifs` command, which results in an error message stating 'yLC0es9a: command not found'.

Multi-Line VirtualBox VM Description using CLI: A Simple Guide

Learn how to create and manage multi-line descriptions for VirtualBox VMs using the Command Line Interface (CLI). This simple guide covers the necessary steps.

Unable to Ping Ubuntu Server Locally or from Machine Ping Websites

This article discusses troubleshooting steps for when you're unable to ping a Ubuntu server locally or through machine ping websites.

NixOS to Void Linux Switch: Bootable USB Not Detected in BIOS Menu

User reports issues with creating a bootable USB for NixOS and switching to Void Linux, as the USB is not detected in the BIOS menu.

Rsync via Cron: Partially Missing Files when Pulling Local Media Server to Torrent Directory

This article discusses an issue where using Rsync via Cron to pull media from a local media server to a torrent directory results in partially missing files. Possible solutions include checking the Rsync log, adjusting transfer options, and verifying file integrity.

Configuring RHEL 8.6 ifcfg Files: Creation and Overwriting