Articles in Linux | UserComp.com

Enabling Internet Access for an OpenWrt Hyper-V Virtual Machine

Learn how to set up internet access for an OpenWrt virtual machine running in Hyper-V.

Creating Individual TS Segments Playlists with ffmpeg in Kali Linux

Learn how to create individual TS segments playlists using ffmpeg on Kali Linux. Follow the steps below to get started.

Grub Shell Startup: Loading Ubuntu from a Hard Drive Next to Win10

Learn how to load Ubuntu from a hard drive that is next to a Windows 10 installation using the Grub shell.

Automating Testing Applications in Headless Wayland

Learn how to automate testing applications in a Headless Wayland environment. Follow these steps to get started: SWAYSOCK=/tmp/sway-ipc.sock WLR_LIBINPUT_NO_DEVICES=1 WLR_BACKENDS=headless

VAAPI Decoding on Ubuntu: Troubleshooting Video Not Displaying with gstreamer

This article provides a step-by-step guide to troubleshoot issues with VAAPI decoding on Ubuntu when streaming video over the network using gstreamer, ensuring videos display correctly.

Resolving Issue with Realtek AlphaAWUS036H/36NH Adapters on Ubuntu 20.04

This article provides a solution to an issue encountered with Realtek AlphaAWUS036H and AlphaAWUS036NH adapters on Ubuntu 20.04. Users may experience bus errors or failure to recognize the devices. We will discuss steps to install the required drivers and resolve the issue.

Resolving Tab Characters in Terminal Emulators: Differences in Behavior Across Servers and Applications

When working with text-based graphical terminal emulators, dealing with tab characters can present unexpected challenges, especially when connecting to various remote servers and using different applications. This article explores the inconsistent behavior of tab characters in terminal emulators and provides solutions for handling them effectively.

Linux Bash Wait Command Not Working: A Solution for Running Multiple Scripts Simultaneously

If you're trying to run multiple Bash scripts or commands simultaneously and encounter issues with the wait command not working, this article provides a solution to help you manage your processes effectively.

Increasing Initial Screen Size in VirtualBox: A Step-by-Step Guide

Learn how to adjust the initial screen size of your VirtualBox guest when the VM first starts. This step-by-step guide covers the ISODialog appearance issue.

Setting Up Ubuntu Server 22.04 LTS: A Comprehensive Guide for Beginners

Learning to use Linux for the first time and need help setting up a server? This comprehensive guide walks you through the process of installing and configuring Ubuntu Server 22.04 LTS, even if you're having trouble getting connected to the internet. Follow these steps to get started.

Setting Up Ubuntu Server 20.04: A Step-by-Step Guide for Linux Newbies

Learning Linux for the first time and struggling to set up an Ubuntu server? Follow this comprehensive guide to get started, even without an internet connection.

Setting up GCC cross-compile for ARM-specific glibc version on WSL Ubuntu 22.04.3 LTS

Learn how to set up GCC cross-compilation for ARM-specific glibc version on Ubuntu 22.04.3 LTS running in WSL. Follow the steps below to install the necessary tools and configure your development environment.

VAAPI Decoding on Ubuntu: Video Not Displayed using GStreamer

This article discusses troubleshooting VAAPI decoding issues on Ubuntu when using GStreamer to stream videos over the network. If your video is not displaying, follow the steps outlined to resolve potential errors.

Avoiding Accidental Execution of Python Scripts and Bash Scripts

Learn how to prevent accidentally executing Python scripts or Bash scripts, including forgetting the shebang line or running scripts with the wrong file name.

Understanding the Impact of ~/.zlogout on Non-Interactive ZSH Shells

In this tech support article, we will discuss the effect of the ~/.zlogout file on non-interactive ZSH shells and explain what happens when the script contained within it is not sourced. We will also cover the contents of the script and its implications.

Setting up WireGuard VPN on Old Laptop with Homeserver: A Step-by-Step Guide

Learn how to set up a WireGuard VPN on an old laptop acting as a homeserver, following this comprehensive guide. This includes installing WireGuard, DuckDNS, and PiVPN.

Fail2Ban Filter Set Error: IP Not Banned

This article explains the cause and solution for the Fail2Ban filter set error where an IP address is not banned despite the warning message in the error log.

CheckPoint Endpoint Security: Unable to Reach VPN Resources in WSL2 'Mirrored' Network

Users report issues with the CheckPoint Endpoint Security client while trying to access VPN resources in a WSL2 environment. This article provides suggestions for troubleshooting and potential solutions.

VirtualGL: Setting Up Different Devices for AMD CPU with No Integrated Graphics

Learn how to set up VirtualGL on an AMD CPU without integrated graphics to run hardware-accelerated programmes through a VNC connection.

Reducing Size of /dev/centos/root in XFS Filesystem

This article explains how to reduce the size of the /dev/centos/root volume in an XFS filesystem on CentOS. Although XFS filesystem itself cannot be directly reduced, the volume group and logical volumes can be adjusted to achieve the desired result.

Enabling Suspend Disk (Hibernation) on Fedora Desktop Systems with Full Disk Encryption

Learn how to enable suspend disk (hibernation) on Fedora Desktop Systems with full disk encryption. This tutorial covers the process for a Dell XPS 13 9300 using the Fedora Workstation Edition and GNOME session menu.

VNC Server Stops Prematurely for Non-Root Users in Ubuntu 22.04 XFCE with Android 14

Users running Ubuntu 22.04 XFCE in a subsystem on Android 14 have reported that the VNC server stops prematurely when run as a non-root user. In this article, we will discuss potential causes and solutions to keep the VNC server running.

Sudoapt Update Error: Invalids Signatures in Kali Linux

This article discusses an error encountered during the update process of a Kali Linux system using the command sudo apt update. The output shows errors related to invalid signatures.

Making a Debian Linux Application Run at Startup with InstallBuilder

Learn how to make an application run automatically during the Debian Linux computer boot using InstallBuilder.

Preventing the Welcome Application Setup Wizard Message in InstallBuilder for Linux (Terminal)

Learn how to prevent the Welcome Application Setup Wizard message from appearing during the installation process using InstallBuilder on Linux through the terminal.

Managing Passwords with KWallet: A Bash Script Alternative

Learn how to manage passwords using KWallet in a Bash script, an alternative to the KDE Plasma Desktop's Wallet Manager GUI.

Routing Traffic between Mobile Hotspot (swlan0) and VPN (tun0) on Rooted Android Device

This article explains how to route traffic between a Mobile Hotspot (swlan0) and a VPN (tun0) on a rooted Android device using IPTables.

Fedora 40 Terminal Automatically Displays user@dhcp instead of user@fedora

Users of Fedora 40 may encounter an issue where the terminal automatically displays user@dhcp instead of the usual user@fedora upon connecting to the internet. This issue is suspected to be caused by a university DHCP server machine.

8-Port SATA Card Driver Support: Recovering NAS on Linux/Ubuntu

Learn how to recover a NAS with 8-Port SATA Card on Linux/Ubuntu by installing the required drivers.

Xmodmap Freezes KDE During Peripheral (USB Bluetooth) Connection

Users report experiencing freezes in the KDE desktop environment when connecting peripherals via USB Bluetooth. The freeze lasts around 20 seconds, during which the mouse pointer can still be moved but clicking does not work.

Troubleshooting Unknown Terminal Error: '/tmpERM' in Linux Headless Distro

This article provides solutions to a recurring issue where certain commands like 'clear' and 'nvim' don't behave as expected in a Linux headless distribution, instead displaying an unknown terminal error '/tmpERM'.

Use Action Matching Images with KDE Clipboard

Learn how to use action matching images with the KDE clipboard on Linux systems. This feature allows you to perform actions based on the contents of images in your clipboard.

VirtualBox 7: Shift+Numpad: Delete Shortcut Not Working

Users report issues with the Shift+Numpad: Delete shortcut not working in VirtualBox 7 on Windows 10. This article suggests possible solutions, including using an exact ISO configuration and checking NumLock settings.

Ubuntu VBox: Windows 10 Pro, Ubuntu RAID1+02 External USB Disks - Repartitioned

Learn how to handle repartitioned USB disks in a Ubuntu RAID1+02 setup with VirtualBox and Windows 10 Pro.

Blurry and Oversized Display on Linux Mint 21.3 with Ryzen 5 600G Integrated Graphics

New Linux Mint 21.3 user encounters blurry and oversized display issue on a Ryzen 5 600G integrated graphics system.

Ubuntu 22.4.4 LTS: UFW Firewall Allows SSH but Prevents Connection to Another Server

A user reports an issue where Ubuntu 22.4.4 LTS uses UFW firewall, allows SSH connections, but prevents connecting to another server. This article provides suggestions to troubleshoot and resolve the problem.

No Effect of Changing /etc/docker/daemon.json for Docker Log Driver

This article explains that changing the Docker daemon JSON file located at /etc/docker/daemon.json to modify the log driver settings has no effect on the running Docker daemon. It suggests using the 'docker daemon' command to reload the configuration instead.

Proxmox Server: 1TB Root Partition on PVE-Root Filled on 100GB Backup Drive

A Proxmox Server user encountered an issue where the root partition of a 1TB main drive was suddenly filled completely on a 100GB backup drive with a 100GB partition for the PVE-Root. This article explains the possible causes and solutions.

Unable to Create Bookmark in XHTML File using Red Hat Developer Studio

Users of Red Hat Developer Studio encounter issues when trying to create a bookmark inside an XHTML file. This article offers solutions, including checking preferences and using alternative methods.

Unable to Create Bookmark in Red Hat Developer Studio for .xhtml files and .java files

In this article, we'll discuss how to create bookmarks in Red Hat Developer Studio for .xhtml files and .java files. We'll explore the steps to set up bookmarks in the IDE, including looking in the preferences window.

Adding Docker Version with COPY --link: A Tech Support Solution

Learn how to add Docker version information when using COPY --link in your Dockerfile. This solution is essential for tech support and troubleshooting.

Unable to Enable Filesystem for Compilation: A Common Tech Support Issue

Learn how to resolve common tech support issues related to enabling a filesystem for compilation on Linux systems. This article provides practical steps and solutions for users encountering errors during the compilation process.

Calculating GUI Used Memory with Widget Values on Kubuntu 22.04.4 LTS

Learn how to calculate and check the used memory in the GUI of Kubuntu 22.04.4 LTS using widget values.

Improving Exasol Docker Image Size: 4GB to 10GB

Learn how to optimize the size of Exasol Docker images from 4GB to 10GB by exploring the official Exasol GitHub repository and Docker Hub.

Firewalling Docker Compose on Debian 12: Accessing Containers Behind a Firewall

Learn how to configure firewall rules to access Docker Compose containers behind a firewall on Debian 12. This article explains the necessary steps to set up host networking and adjust firewall settings for successful container access.

Configuring Network Settings on a Broken APT System of Raspberry Pi

Learn how to configure network settings on a Raspberry Pi with a broken APT system. This article provides a step-by-step guide to help you troubleshoot potential firewall issues and restore your APT package manager.

Getting Stock Quotes with KMyMoney and GNUCash: Perl Finance::Quote

Many free applications like KMyMoney and GNUCash use the Perl Finance::Quote library to get stock, bond, and currency quotes from various websites. However, websites often change their public-facing APIs, making some older Perl scripts using this library obsolete or broken.

Unable to Install firmware.sh on MacOS during WiFi dual-booting with T2 Linux and Fedora

This article discusses an issue encountered during WiFi dual-booting MacOS, T2 Linux, and Fedora where the firmware.sh installation fails. It provides potential solutions and suggestions for troubleshooting.

LVM Resize: Forgot Filesystem Check Shows No Extents Available

When attempting to reduce the size of a Logical Volume Manager (LVM) volume, the resize operation fails with the error message 'No extents available'. This error can occur if the filesystem check is not performed beforehand. In this article, we will discuss the cause of this issue and provide a solution.

Traefik and Metallb External IPs Stuck Pending in K3s Cluster Deployment

This article provides a solution for the issue of Traefik and Metallb external IPs being stuck pending during the deployment of a K3s cluster locally on Ubuntu.