Articles in Linux | UserComp.com

Emacs 29 on Ubuntu 24.04: How to Enter Unicode Greek Letters with Hat

Learn how to enter Unicode Greek letters with a hat in Emacs 29 on Ubuntu 24.04. This tutorial provides a step-by-step guide to help you insert special characters into your documents. Improve your typing efficiency and enrich your text with this useful skill. Read more to explore the process.

How to Disable Multiple Network Accounts on Google Drive in Fedora Budgie 41

Learn how to disable multiple network accounts on Google Drive in the latest Fedora Budgie 41 update. This guide provides step-by-step instructions to help you manage your Google Drive accounts effectively.

Enabling GPU Passthrough on NixOS Linux Host for Virtual Machine

This article provides a step-by-step guide on how to enable GPU passthrough on a NixOS Linux host running QEMU and Virt-Manager for a NixOS guest virtual machine. The physical machine has two GPUs in separate IOMMU groups and the goal is to assign a powerful GPU to the Linux guest. Make your NixOS host and guest VM ready for GPU passthrough with ease!

Kubuntu 24.04.1 LTS: USB Wifi with RTL8852BE PCIe Won't Boot or Shutdown During Installation

Having trouble installing Kubuntu 24.04.1 LTS on an HP Elite 8300 with a new USB Wifi adapter that uses the RTL8852BE PCIe controller? This article provides a possible solution for the immediate system recognition issue during the boot and shutdown process.

Need Help Streaming RTSP Camera IP using ffmpeg Library

Having trouble streaming an RTSP camera using the ffmpeg library? This article covers a common issue encountered when using ffmpeg library for live streaming, with a focus on the phenomenon of vq=0kb/s. Learn how to resolve the issue and successfully stream your RTSP camera.

Differences Between Service, Program, and Application in Tech Support: SSHD Restart Methods

In tech support, understanding the differences between a service, program, and application is crucial. This article explores these differences, using SSHD restart methods as an example. Learn about the various ways to restart SSHD and the implications of each method for system administration.

Method to Export & Open URLs in Firefox Window on Ubuntu 24.04

Learn the method to export URLs and open them in a Firefox window on Ubuntu 24.04. The process involves creating a plain text file and importing it into Firefox, which can then be used to open multiple tabs. Instructions are provided for Ubuntu users.

Export URLs and Open Tabs in Firefox (Ubuntu 24.04)

Learn how to export URLs and open tabs in Firefox on Ubuntu 24.04.

iTerm 3.5 on Raspberry Pi: Partially Invisible Cursor Shifts in Long Bash 5.2 Command Histories

Users of iTerm 3.5 on Raspberry Pi running Debian Bookworm 64-bit may encounter an issue where the cursor shifts partially invisible during the execution of long Bash 5.2 command histories.

Exclusive Docker Compose Service Access via VPN Tunnel

Learn how to configure a Docker Compose service to be accessible exclusively through a VPN tunnel. This setup involves two containers - 'app' and 'VPN server'. Follow these steps to secure your Docker Compose service and enhance network security.

Troubleshooting SSH Hangs on Kubuntu 24.04 and Ubuntu 24.01 in VirtualBox

This article provides a solution to the issue of SSH hangs while trying to connect to an Amazon EC2 instance using Kubuntu 24.04 and Ubuntu 24.01 in VirtualBox.

Granting External Group Access to Specific Containers with Podman: An Easy Guide

Struggling with granting external group access to specific containers managed by Podman? This article provides a step-by-step guide on how to use the --group option in podman run to efficiently manage container access for groups managed externally, such as LDAP. Read more to learn how to securely set up container access.

Super Key Open Launcher Not Working in KDE - Quick Fix

Having trouble getting the KDE application launcher to open with the Super key? Here's a quick solution to try if your other mappings, like Super+E and Super+T, are working fine. Already tried mapping the shortcut to Alt+...? There's another option to consider.

Making Container Aware of Externally Managed Groups with Podman's -t, --groups-add, and --keep-groups Options

In this article, we will explore how to make a container aware of externally managed groups using Podman's -t, --groups-add, and --keep-groups options. By taking advantage of these features, you can improve container security and manage group membership more effectively, bringing greater flexibility to your container environments.

Creating a Bootable ISO Linux Computer: Ubuntu 24 Standalone PC Installation

This article provides a step-by-step guide on how to create a bootable ISO on a Linux-based Ubuntu 24 standalone PC. The process involves using software specifically configured for the task. By following these instructions, users can easily make their USB drives bootable with the Ubuntu 24 ISO image.

WiFiDog Gateway Implementation with VM for Ruijie AP Authentication

This article provides a guide on setting up a WiFiDog authentication server for Ruijie access points using a virtual machine and the WiFiDog Auth Laravel Github repo. Streamline network authentication with this easy-to-follow implementation guide.

Upgrading ffmpeg from 2.6.8 to 5.1.6 while Achieving Fast File Writing

Learn how to upgrade ffmpeg from version 2.6.8 to 5.1.6 while maintaining fast file writing performance. We'll discuss the changes in the API and provide tips for optimizing your workflow.

Configuring Multiple IPs on eth0 for NIC Testing

Learn how to configure multiple IP addresses on eth0 for NIC testing with a remote server and additional IP address.

Using Remote VSCode for R Perl Code Debugging on Linux HPC Cluster without Admin Rights

In this tech support article, we will explore how to use Visual Studio Code (VSCode) remotely via SSH to a Linux HPC cluster for R and Perl code debugging without requiring administrative rights to install any system-wide tools. This tutorial will provide a step-by-step guide to help you get started with remote development and debugging on a Linux HPC cluster using VSCode.

Fixing Docker Permission Issue with Synology NAS: A Comprehensive Guide

In this article, we will discuss the common Docker permission issue encountered when connecting to the Docker daemon socket on a Synology NAS and provide a step-by-step guide to resolve it. We will explain the root cause of the issue and offer a solution that involves adjusting the Docker daemon settings and user permissions. This guide is intended to help users who have experience with Docker and Synology NAS and are looking for a solution to this specific problem.

Not Able to Attach Container Portainer: Configuration Issue Solved

Learn how to solve a common Portainer configuration issue where you are unable to attach a container. This guide covers the steps to take to resolve the problem and get your container up and running.

Resolving WiFi Phisher Installation Issues with Virtual Python Environment on Kali Linux

Having trouble installing and upgrading WiFi Phisher on Kali Linux? This article provides a solution by using a virtual Python environment to resolve any potential conflicts or issues. Follow our step-by-step instructions to get WiFi Phisher up and running.

Hide KDE Notification Content - No Pop-Up

Learn how to hide the content of KDE notifications without the pop-up appearing.

Installing libavcodec58 on Ubuntu 24.04.1 LTS

Encountered an issue with a critical software dependency on libavcodec58, which doesn't seem to be available in Ubuntu 24.04.1 LTS. Learn how to install it using the terminal.

Easily Install Debian 9.2.0 (Bookworm) - A Step-by-Step Guide

Learn how to easily install the latest Debian 9.2.0 (Bookworm) release, without the hassle of building from source code. Follow our step-by-step guide to get started with your Debian journey today.

Can't Get ProFTPD to Serve SFTP on Port 2222

Having trouble getting ProFTPD to serve SFTP on a custom port? Learn about common issues and solutions for this problem in this tech support article. Maximize your chances of resolving the issue by following best practices for SEO optimization. Read more to learn more.

RDP Periodically Stops Working on Ubuntu 24.04

Users running Ubuntu 24.04 with GNOME and using Proxmox to access a Windows PC via RDP have reported periodic disconnections. This article discusses possible solutions, including checking network settings and updating RDP packages.

Unable to Boot Windows with 'Boot Disk Unavailable' Error After Installing Ubuntu on a Dual Drive System (500GB NVMe, Windows Drive Partitioned)

Having trouble booting into Windows after installing Ubuntu on a dual drive system? Learn how to fix the 'Boot Disk Unavailable' error in this tech support article. Invitation to read the full article for a detailed solution.

Solution to Decrease GNOME Boxes VM Screen Resolution on High-Res Small Screens

In this tech support article, we provide a solution for users who experience issues with small screens and high-resolution laptops when running GNOME Boxes virtual machines. Learn how to scale the display and reduce the screen resolution for a better experience. Optimized for SEO with relevant keywords.

Changing ZFS Partition Reference from Whole Disk: A Help Guide

If you've accidentally set a ZFS partition to reference a whole disk, this guide can help you change it back. We'll walk you through the process of modifying the ZFS partition reference to exclude the whole disk, and provide some tips to avoid this issue in the future.

Git Submodule: Differences in HEADs and Automatic Updates

When dealing with submodule repositories in different branches with varying HEADs, Git sometimes automatically updates submodules and other times not. In this article, we'll discuss the reasons behind this behavior and provide possible solutions.

Consistent Ping Timestamps in QEMU: A Tech Support Guide

Learn how to ensure consistent ping timestamps in QEMU when using Linux guests on a macOS host. This guide covers using QEMU via UTM and the GUI QEMU frontend.

Troubleshooting Airodump Packet Sniffing: Unexpected Output on wlan0

Users encountering issues with Airodump packet sniffing tool while working on wlan0 interface. This article provides guidance on interpreting unexpected output and potential solutions.

Numeric Keypad Not Working: NumLock Turned on Ubuntu 24.04

Users of Ubuntu 24.04 have reported issues with their numeric keypads not functioning properly when NumLock is turned on. In this article, we'll explore some possible solutions to help you get your numeric keypad working again.

Can't Access Encrypted Disk: Changing Partition Type without Key or Passphrase

Having trouble accessing an encrypted disk? This article covers changing the partition type without a key or passphrase, applicable for identical external USB disks, one of which is encrypted.

Trying Airodump-ng Command: Decoding Output for CH1

This article explains how to decode the output of an Airodump-ng command for CH1. The article provides a step-by-step guide and invites the audience to read the full article for a detailed understanding.

Installing VirtualBox on Rocky Linux 9.4 (BlueOnyx)

Learn how to install VirtualBox on Rocky Linux 9.4 (BlueOnyx) system.

Keychain Not Working with fish Shell in Ubuntu 24.10: A Fix for git authentication issues

Having trouble with Keychain and fish shell in Ubuntu 24.10 after upgrading? This article provides a solution for git authentication issues caused by a non-functioning Keychain in the fish shell.

Can't Access Home Server via WireGuard: Possible Solutions

Having trouble accessing your home server via WireGuard? This article discusses possible solutions including DuckDNS, cron configuration, port forwarding, and setting up a PI VPN server with a public DNS.

Not Booting EFI in VirtualBox on macOS: A Guide to Running Ubuntu Desktop 24.04.1 LTS

Learn how to troubleshoot and resolve issues with not booting EFI in VirtualBox while running Ubuntu Desktop 24.04.1 LTS on macOS.

Connecting Two Ethernet Adapters on a Windows Host Machine with Ubuntu Guest in VirtualBox for Fortinet VPN Client

This article provides a guide on how to connect two Ethernet adapters on a Windows host machine using VirtualBox, with an Ubuntu guest machine running a Fortinet VPN client. The article aims to be SEO optimized, providing a solution for connecting multiple Ethernet adapters in a VirtualBox guest machine. Read more to learn how to set up and configure your VirtualBox for improved network connectivity and VPN access.

Slurm Service Status: Failure on CentOS Cluster - Reinstallation Troubleshooting

After reinstalling Slurm resource management on a CentOS cluster, the Slurm daemon (slurmd) service is failing to start. This article provides a short overview of the issue and suggests further steps for troubleshooting and resolution.

PfSense HASync Not Working (Error: Operation Timed Out) - Fix Now

Having trouble with PfSense HASync not working? Learn how to fix this error and get your environment working optimally. Sync Interfaces State, Sync Firewall rules and CARP VIP are working, but statesync is timing out. Find out how to resolve this here.

VirtualBox with Ubuntu Guest and Shared VPN for VSCode on Windows Host

Learn how to set up a VirtualBox with Ubuntu as a guest operating system, share a VPN connection with it, and use VSCode on the Windows host.

Upgrading TLS on an Old Server without Reinstalling Core OS: A Guide

In this tech support guide, we will provide step-by-step instructions on how to upgrade TLS on an old server without requiring a reinstallation of the core operating system. This is particularly useful for those running an older Linux version, such as 2.6.32-431.29.2.el6.x86_64#1 SMP OpenSSL, which supports TLS 1.2 but not TLS 1.3.

DNS Leaks when Running WireGuard VPN Client in Ubuntu 22.04 Network Namespaces

Users of Ubuntu 22.04 who try to run WireGuard VPN client inside network namespaces report DNS leaks. This issue occurs when attempting to establish VPN route connections. In this article, we discuss how to prevent DNS leaks while using WireGuard VPN client in Ubuntu 22.04 network namespaces.

OpenWRT USB WiFi Not Allowing 2.4GHz on 5GHz Setup with FriendlyElec NanoPi R5S

Users encountering issues with OpenWRT 23.05.5 not allowing 2.4GHz on a 5GHz setup using the FriendlyElec NanoPi R5S USB3 Panda Wireless PAU0FAXE3000 Tri-Band Wi-Fi 6E.

GCC Installation Fails: 'make: No targets specified, no makefile found.'

When attempting to install GCC, the error 'make: No targets specified, no makefile found.' may occur. This article provides instructions to resolve this issue by checking the makefile location and downloading the source correctly.

Failed to Initialize HTTP2 Server on Zephyr OS in QEMU Emulator

In this article, we discuss an issue encountered while running an application on Zephyr OS project with QEMU emulator, where the system boots fine but the HTTP2 server fails to initialize. We provide a brief overview of the problem and invite the audience to read the full article for tech support.

Upgrading TLS Server to Support TLS 1.3 on Linux 2.6.32

This article provides a guide on upgrading a TLS server to support TLS 1.3 on a Linux 2.6.32 system. It covers the necessary steps and commands to update the OpenSSL version and enable the new security protocol. Stay secure and up-to-date with the latest TLS version.