Articles in Linux | UserComp.com

Mounting Luks Disks: Differences for Specific Users (UID/GID)

This article explains the process of mounting Luks encrypted disks with specific user identities (UID/GID) instead of the default first user.

Disabling KDE Plasma from Automatically Finding Printers in Debian 12

Learn how to disable KDE Plasma from automatically finding and adding printers in Debian 12.

Grub Not Recognizing Partition: Unallocated Space Behind Main Linux Partition

Users encounter issues with Grub not recognizing an unallocated space behind their main Linux partition. This article explains how to allocate the unallocated space to the main partition, allowing Grub to recognize it.

Samba Overallocated Space: Quick Way to Reclaim Hundreds of Files in Ext4

Learn how to quickly reclaim space from hundreds of overallocated files in an Ext4 file system caused by Samba. Understand the cause and follow a step-by-step solution.

Oracle Linux 8: System Update Not Possible After Installing DB2 3.x

Oracle Linux 8 users who have installed DB2 3.x may encounter issues with system updates. This article provides a solution.

Installing FFmpeg on AWS EC2-User Instance (Nextcord.py) Failure

This article provides a solution for users experiencing issues while installing FFmpeg on an AWS EC2-User instance using Nextcord.py. The article covers the steps to install FFmpeg via PowerShell with pip.

Detecting Hibernation Phases: Suspend vs. Hibernate on Ubuntu

Learn how to detect and differentiate between suspend and hibernate modes on Ubuntu systems. This article covers the use of systemd and the 'suspend-then-hibernate' command.

Creating a VM with Virt-Manager: Accessing Internet Host Devices in LAN

Learn how to create a VM using Virt-Manager and gain internet access to host devices within a LAN, ensuring a secure testing environment.

Using Wget for PUT Requests with Response Body

Wget is a popular command-line tool for downloading files over the internet. It also supports sending PUT requests with the response body. In this article, we'll explore how to use Wget for PUT requests and get the response body.

Troubleshooting Latest Kernel Issues: Unable to Launch on Arch Linux

This article provides a solution for users experiencing issues launching their system after upgrading to the latest kernel on Arch Linux. The suggested fix involves adding 'nomodeset' to the GRUB bootloader.

Cannot Access SueFire: Disabling Secure Boot for Kalilinux USB Installation

Learn how to disable Secure Boot to download and install Kalilinux on a USB stick. Follow the steps to open UEFI settings and enter the password.

How to Extract Part of a Variable in Tech Support: ABCD

Learn how to extract specific parts of a variable in Tech Support using the example of the string 'ABCD'. This tutorial covers setting variables and using the echo command.

Using Miniconda in WSL: Setting Up Python Interpreter

Learn how to install and set up the Python interpreter using Miniconda in Windows Subsystem for Linux (WSL). Follow this step-by-step guide for a seamless experience.

Disabling Low-Level Key Repeats: A Solution for Debian System's Persistent Key Presses

In this tech support article, we'll guide you through the process of disabling low-level key repeats in Debian systems. This solution may help if you've noticed persistent key presses, such as repeated SHIFT or CTRL keys, even when not pressed.

Extending an Unallocated Space Behind an Existing Partition in Ubuntu: A Solution

Learn how to extend an existing partition by using unallocated space in Ubuntu, when gparted does not allow moving the unallocated space behind the partition.

Switching from KDE to GNOME Desktop in Ubuntu 24.04

In this tech support article, we guide users through the process of switching their Ubuntu 24.04 desktop environment from KDE to GNOME. The article covers the necessary commands to install the GNOME desktop and remove KDE.

Connecting WireGuard Clients to an mWG Server Network

This article explains how to connect WireGuard clients to a Multi-WireGuard (mWG) server network. We assume you have a home network with a WireGuard VPN server running in a Docker container. The server is set up to allow WireGuard clients access to the local network.

Docker Container Not Receiving Packets on Specific Port in Oracle Cloud (OL7)

This article provides a solution for Docker containers that fail to receive packets on specific ports when deployed on Oracle Cloud (OL7). Learn how to troubleshoot and resolve the issue.

Python Application Refuses to Cross-Compile using Yocto

Learn how to troubleshoot and resolve issues with cross-compiling Python applications using Yocto Project.

USB Mouse Not Working on Debian 11 System Startup: A Possible Solution

Encountered an issue where the USB mouse fails to work during Debian 11 system startup. In this article, we'll discuss a potential solution and provide references for further investigation.

Accessing NFS Mounted Directory in Docker Container: Operation Not Permitted

Learn how to grant necessary permissions to access an NFS mounted directory inside a Docker container with the 'Operation Not Permitted' error.

Tutorial: Finding Download URLs Given a Website using wget

Learn how to use wget to find and download URLs from a website. This tutorial covers issues with large PDF files and provides a solution.

Sharing Permissions for Shared Folders in VirtualBox on Windows 10 and Ubuntu 20

Learn how to share folders between a Windows 10 host and Ubuntu 20 guest OS using VirtualBox, and set the necessary permissions.

Disabling Particular Audio Jack in Debian for Faulty Speakers

Learn how to disable a particular audio jack in Debian to resolve issues with faulty speakers that cause instant disconnections and reconnections.

Shutting Down Multiple Raspberry Pi Linux Systems: Network SSH Access Control

Learn how to shut down multiple Raspberry Pi Linux systems connected in a local network using SSH access control.

How to Achieve Git Pull with CGNAT?

Learn how to perform a Git pull on your local machine when connected to the internet via Carrier-Grade NAT (CGNAT).

Finding Matching YAML Files Based on Content

This article explains how to find YAML files based on specific content using command-line tools on various platforms.

Debian 12 (Gnome) on Acer Laptop: No Wireless Connection Visible

Learn how to troubleshoot a missing wireless connection on a Debian 12 (Gnome) setup on an Acer laptop. This guide will help you diagnose and resolve the issue.

SCP Not Working: Custom Python Shell Script Migration from Ubuntu 20.04 to Debian 12

This article discusses the issue of SCP not working after migrating a custom Python shell script from Ubuntu 20.04 to Debian 12.

Connecting Gitea and WireGuard: A Guide (NGINX works, but not only with WireGuard)

Learn how to connect Gitea with WireGuard VPN while also exploring alternative methods. This guide covers setting up Gitea on Docker, Alpine Linux, Windows, Oracle VM, and VirtualBox.

Installing SF-Mono-Powerline in zsh Linux Terminal

This article provides instructions on installing SF-Mono-Powerline fonts in a zsh Linux terminal. Despite a successful installation, users may encounter issues with font selection.

Shell Script Gives 'command not found' Error in Terminal for Beets Music Library Management

Users of Beets music library management software on Mac encounter an issue where certain terminal commands, such as 'beet import', return a 'command not found' error. This article provides suggested solutions to resolve the issue.

Using img2table on Zorin OS for Ubuntu: Installation and Setup

Learn how to install and use the img2table package on Zorin OS, a user-friendly Linux distribution based on Ubuntu.

Experimenting with bcachefs: Removing a Drive with Online Filesystem

In this tech support article, we will guide you through the process of removing a drive with the bcachefs filesystem while ensuring data consistency.

Wireless Connection Not Showing After Fresh Install of Debian 12 (KDE Plasma)

Users who have recently installed Debian 12 with KDE Plasma and are unable to see their wireless connections, despite having an active Ethernet connection, can follow this guide to troubleshoot and resolve the issue.

Fedora/Gnome: Computer Keeps Shutting Down Even with Battery Available

Users of Fedora 39 with Gnome desktop report their computers shutting down unexpectedly even when battery is available. This issue might be related to power configuration.

Linux Backup to USB Drive using rsync: A Western Digital 4TB Example

In this tech support article, we'll show you how to create a Linux backup to a USB drive using rsync. This example uses a Western Digital 4TB external USB drive.

AdGuard Home: DNS IPv4 Rewrite (Discard AAAA) CNAME Domains

In this article, we will discuss how to configure AdGuard Home to discard AAAA records and perform IPv4 rewrite for CNAME domains. Follow the steps below to set up AdGuard Home with DNS filtering.

Docker Build Fails on Debian 12 Debian 12 AMD64

Users report issues building Docker applications on Debian 12 Debian 11 AMD64 systems. This article provides suggested solutions to resolve the Docker build failure.

Docker Build Fails on Debian 12 System: A Solution

Learn how to resolve Docker build failures on a Debian 12 system. This article provides a step-by-step solution for fixing common issues.

FastHosts FTP Sites Showing Paths with '>' Characters

Some FastHosts FTP sites are displaying file paths with '>' characters instead of the expected forward slashes. This issue can cause problems when accessing files. In this article, we'll explain how to resolve the problem.

Solution: Using SQL Tables - Patching Already Done? (SELECT, JOIN)

Learn how to efficiently patch SQL tables using SELECT and JOIN queries in this tech support article. This guide assumes that the patching process has already been initiated.

Bash Scripting: Count File Numbers in Directories with Root Path Parameter

Learn how to write a Bash script to count the number of files in directories with a root path passed as a parameter.

Understanding OpenVPN Scripts: Preventing Leakage and Reverse Connections

In this tech support article, we'll discuss examples of scripts that prevent OpenVPN leaks and explain what reverse connections are. We'll also cover how to create and implement these scripts to secure your OpenVPN connection.

Windows Installer Cannot Recognize Drive: Linux Mint Installed

Learn how to resolve an issue where Windows Installer fails to recognize a drive with Linux Mint installed.

Unprivileged Users and INMOD Driver Use in Linux: Not Recommended

Unprivileged users in Linux should not use INMOD drivers due to potential security risks. INMOD drivers utilize the CAP_SYS_MODULE capability to insert modules into the kernel. This article discusses the issue of a test driver creating a debugfs init_module and explains why unprivileged users should avoid using INMOD drivers.

SFTP: Pull Files from Remote Host Without Directly Knowing - Tech Support