Articles in Linux | UserComp.com

Speed Up Slow Firefox Startup on Linux Systems

Having trouble with slow Firefox startup on your Linux system? Learn how to diagnose and fix the issue with these simple tips. Improve your browsing experience today! Read more on our tech support site.

Fixing Unreachable JDownloader on Portainer in Raspberry Pi 4

Having trouble running JDownloader on Portainer in your Raspberry Pi 4? This article provides a solution to the issue of an unreachable JDownloader when it is configured to run on a specific port.

Installing OpenJDK 21 on Debian 12: 'java' command not found

This article explains how to install OpenJDK 21 on Debian 12 when encountering the 'command not found' error for the 'java' command.

Screen Resolution Issue with Wine Games on Linux Kernel 5.15

Users reporting issues with automatic screen resolution changes when running Wine games on Linux Kernel 5.15. Learn how to accept the default resolution instead.

How to Modify File Names with Bash Find at the Lowest Level

Learn how to use the bash find command to modify file names at the lowest level in a directory hierarchy. This technique can be useful for changing characters in file names that may cause problems with certain apps, scripts, or when using NFS/SMB. By using the find command with the appropriate options and arguments, you can easily modify file names to your desired format.

Fixing Chrome OS Files App: Unpinned Directories Issue

Learn how to resolve the issue with the Chrome OS Files app insisting on spinning directories first, making it difficult to see actual files. Get a solution similar to the Linux approach.

Screen Resolution Automatically Changing in Wine Games on Linux Kernel 5.15

Users report that Wine games automatically change the screen resolution on Linux kernel 5.15. This article provides a solution to accept the default resolution instead.

Screen Resolution Buffer Issue with Wine Games on Linux Kernel 5.15 in Old Laptop

Having trouble with Wine games automatically loading in a screen resolution that's different from your default on Linux Kernel 5.15 in an old laptop? Learn more about this possible Screen Resolution Buffer issue and potential solutions to fix it.

Understanding Process Priority: New vs Old in top (ps List)

Learn about the different conventions used to denote process priority in the top command, specifically the 'ps' list and the difference between new vs old priority values like PID 3095853:139 vs rr 20.

Troubleshooting SDDM Black Screen with 'Failed read display number pipe' (Arch ARM QEMU)

This article provides solutions to the issue of a black screen appearing during the SDDM login screen when using Arch Linux ARM with QEMU. The error message 'Failed read display number pipe' is displayed.

Renew Let's Encrypt Certificate on OpenWRT Router without Opening HTTP Server on WAN Side using ACME.sh

This article explains how to renew Let's Encrypt certificates on an OpenWRT router without opening the HTTP server on the WAN side using ACME.sh.

Configuring Nginx to Not Reject but Pass Requests with DotDot URLs

Learn how to configure Nginx as a reverse proxy server to pass requests with dotdot URLs instead of rejecting them. This tutorial will provide step-by-step instructions to help you optimize your tech support site.

Optimizing Debian 12 Bookworm on Raspberry Pi 4B: A Tech Support Guide to Creating Customized Bootable Images

Learn how to create a customized bootable image of Debian 12 Bookworm for Raspberry Pi 4B, tailored to your specific needs. This guide covers configuring the OS, installing software packages, and optimizing performance. Ideal for tech support professionals and enthusiasts. Make the most of your Raspberry Pi 4B with a personalized Debian 12 setup.

Strange Issue with BTRFS, Broken Video File after BT Download using Transmission on Linux

Downloading series video files using Transmission BT on Linux resulted in a broken video file when opened with Celluloid. This article explores possible solutions to fix the issue.

Unable to Set Correct Resolution on Intel Arc Graphics GPU for Linux ThinkPad Users

Having trouble setting the recommended resolution on your new ThinkPad with an Intel Arc graphics GPU running Linux? Learn how to troubleshoot and solve this issue here.

Bypass Restrictions with SSH: A Tech Support Guide for Unlimited Internet Access

If you're facing restrictions on certain websites, such as social media or gaming sites, SSH can help you bypass these restrictions. This guide will provide you with a step-by-step tutorial on how to use SSH to access the internet without any limitations. Learn how to configure SSH tunneling, choose the right SSH client, and troubleshoot common issues. Unlock the full potential of your internet connection with this comprehensive tech support guide.

Connecting Two Hosts behind CGNAT with Wireguard using an Untrusted VPS

This article explains how to connect two hosts behind carrier-grade NAT (CGNAT) using Wireguard, with the help of an untrusted Virtual Private Server (VPS). The hosts and the VPS are all located behind CGNAT and the Internet Service Providers (ISPs) do not support IPv6. Since both sides have NAT, a common approach is to use a third-party server to act as a bridge between the two networks.

Curl Fetch Data from FTP Server Not Working: A Troubleshooting Guide

Having trouble fetching data from an FTP server using curl? This article provides a guide on how to troubleshoot and resolve the issue. Learn about the possible reasons for the failure and the solutions to try. If you're experiencing a problem when downloading data from <https://data.tpdc.ac.cn/en/data/30131436-88d1-4be3-8e3d-14905a29d6d6/> using curl and the FTP server <ftp2.tpdc.ac.cn:6201/SM_1km_Month/>, this article is for you.

How to Fix {"dd"} Command Error when Creating a Bootable Ubuntu Installation Drive

Learn how to troubleshoot and fix the error that occurs when using the {"dd"} command to create a bootable Ubuntu installation drive. This step-by-step guide provides a solution for the common problem of zero-writing disk and errors in the {"dd"} command.

Repairing Dual-Boot Installation: Ubuntu 24.04 Replaced, Windows 11 Destroyed

Learn how to repair a dual-boot installation on a Lenovo laptop after replacing Ubuntu 24.04 with new installation, which destroyed the Windows 11 system.

Activating Virtual Environment on Raspberry Pi 4B via Remote-SSH using Visual Studio Code (Windows 10)

Learn how to activate a virtual environment on a Raspberry Pi 4B using Visual Studio Code and Remote-SSH on a Windows 10 machine.

Controlling CAEN Sy127 High Voltage Supply from a Modern Linux Computer using VT52 Terminal

Learn how to control the CAEN Sy127 high voltage supply from a modern Linux computer using the VT52 terminal. This article provides a step-by-step guide to set up and configure the communication module for seamless integration. Optimized for SEO using relevant keywords. Invitation to read the full article for tech support.

How to Force Wayland on Linux with NVIDIA Proprietary Drivers (Debian Trixie)

This article provides a guide on how to force Wayland on Linux using NVIDIA proprietary drivers. Specifically, it describes the steps for Debian Trixie using the nvidia.com installer. It includes an invitation for the audience to read the full article for more information.

How to Overlay a Webcam Video with a Circular Mask on Main Video using FFmpeg

In this tech support article, we will guide you through the process of overlaying a webcam video with a circular mask on a main video using FFmpeg. This can be useful for creating professional-looking videos or live streams. We will cover how to scale the webcam video to a specific dimension and position it in the bottom left corner of the main video.

Running Windows cmd prompt commands in a Linux Bash shell using set

Learn how to run Windows cmd prompt commands inside a Linux Bash shell using the 'set' command. By setting the PATH variable, you can access Windows tools and programs within your Linux environment. This can be useful for managing a dual-boot system or accessing Windows-only tools while working in Linux.

HP OfficeJet Pro 8620 Printer Disappeared on Kubuntu - Fixed!

Learn how to troubleshoot and resolve the issue of an HP OfficeJet Pro 8620 printer disappearing on Kubuntu version 24.04 due to driverless CUPS package entries. Follow the step-by-step guide, including a package reinstallation process, and get your printer back online!

Ubuntu 24.04 Installation Destroyed, Dual-Boot Windows 11 Finished on Lenovo Laptop

A user reports that their Ubuntu 24.04 installation was working perfectly on a Lenovo laptop, but after attempting to create a dual-boot system with Windows 11, the Ubuntu installation was destroyed. This article provides a solution for users facing a similar issue.

Ubuntu 24.04 Installation Destroyed Dual-Boot with Win11

A Lenovo laptop with a perfectly working Ubuntu 24.04 installation was attempted to be dual-booted with Windows 11. However, the process resulted in the destruction of the Ubuntu installation. This article provides solutions to recover the Ubuntu installation.

How to Avoid DNS Spoofing with TTL in Linux Hotspot

Learn how to prevent DNS spoofing attacks in Linux hotspots by setting Time to Live (TTL) values. Follow this tech support guide to secure your network.

ALC898 vs. ALC897: Differences and Linux Kernel Support

When upgrading a computer with a new motherboard featuring the Realtek ALC898 sound codec, users may encounter issues with Linux kernel support. Unlike the ALC897, the ALC898 is officially supported. In this article, we'll discuss the differences between these two sound codecs and their respective Linux kernel support.

20-Second Black Screen with GRUB Menu on Dual-Boot HPLaptop (Windows 11 Ubuntu 24.04.1 LTS)

Users of HPLaptop 15-fd0107TU reporting significant delay (20+ seconds) during system start, resulting in a black screen before the GRUB menu appears while dual-booting Windows 11 and Ubuntu 24.04.1 LTS.

Skipping File Corruption in FFmpeg: A Tech Support Guide

If you're having trouble playing back a large ProRes video file (148GB) in FFmpeg due to suspected header or container issues, this article provides tips for skipping file corruption. Learn how to troubleshoot and fix the problem with this step-by-step guide.

Debian 12 Package Contains Driver for Intel Corporation Raptor Lake-S GT1?

If you're looking for the driver corresponding to Intel Corporation Raptor Lake-S GT1 UHDGraphics770 (rev04) VGA compatible controller, this tech support site provides information on the availability of the driver in Debian 12 package. Learn more about Debian 12 and Intel drivers here.

Monitoring Bandwidth Used by Transmission Torrenting with nethogs in Tech Support

Learn how to monitor the bandwidth used by Transmission torrenting application using nethogs in tech support.

Running Programs Without Using Sudo: A Tech Support Guide

Learn how to run programs without using sudo in various operating systems such as Linux. This tech support article covers the bashrc file export and setting the PATH environment variable in Linux.

Error: VNC Server Fails to Start Desktop Environment - Session Cleanly Exited Early

This article provides solutions to the common issue of a VNC server failing to start the desktop environment with the error message 'Session cleanly exited early'. This issue can occur on various Linux distributions.

Run Programs with Elevated Privileges: A Comprehensive Guide

Learn how to run programs with elevated privileges without using sudo in Linux. This article covers various methods including using the .bashrc file, and explores the benefits of this approach. Try it out and improve your tech skills.

VNC Server Fails to Start Desktop Environment - Session Cleanly Exited Early

Having trouble launching the desktop environment when trying to run a VNC server? Learn how to troubleshoot the session cleanly exited early error in this tech support article.

APT Failed Run: 404 Not Found Error

This article explains how to troubleshoot and resolve a common error when running the APT package manager on Ubuntu, specifically when installing PHP packages. The error message '404 Not Found' indicates that the required package repository could not be reached. This article suggests checking the package sources list and updating it to include the correct URLs.

Using FFplay to Read PCM Data Pipline - No Data Available Instead Continuing and Seeking

This article introduces how to use FFplay, a tool from the FFmpeg project, to read and play audio bytestream produced by a Python script. The PCM 16 LE, single channel audio data can be processed through a pipeline, and FFplay handles the case when no data is available by continuing and seeking instead of stopping.

SFTP Requires MFA: How to Upload/Download Files Securely

Learn how to securely upload and download files using SFTP, which requires Multi-Factor Authentication (MFA) for enhanced security. Ensure your university server work is safe and avoid unnecessary MFA processes using this guide.

Cloning Hard Linked Folders to Another Drive: A Tech Support Guide

Learn how to clone hard linked folders to another drive using rsync, a powerful command line tool. This guide provides step-by-step instructions for creating backups of your important data while preserving hard links. Make sure to read more for a comprehensive solution to your tech support needs.

Connecting Two Hosts in Separate IP Networks using VXLAN and Wireguard Tunnel

This article provides a guide on how to connect two hosts in separate IP networks using VXLAN and Wireguard tunnel. The article covers the steps to set up a Wireguard tunnel and configure VXLAN to enable communication between the two hosts. By following this guide, users can extend their networks and securely connect remote hosts.

Enabling Fast Swap Hibernation with RAID-0 Arrangement of Dual NVMe Devices on a Tech Support Site

This article provides a guide on how to configure a RAID-0 arrangement of two NVMe devices on a Supermicro server board to enable fast swap hibernation, improving system performance and reducing hibernation time. Learn how to set up this advanced tech support solution today.

Issue Running OpenCV Live View Window Remotely on Raspberry Pi via SSH from Windows 10 Development PC

Experiencing issues running OpenCV live view window remotely on Raspberry Pi via SSH from a Windows 10 development PC? Learn about potential solutions and workarounds for this problem.

Installing Guest Additions on CentOS 9 Stream in VirtualBox

Learn how to install Guest Additions on CentOS 9 Stream in Oracle VirtualBox.

Convert HEIC Spatial Images from iPhone to SBS Format for Viewing on Oculus

This article provides a guide on how to convert HEIC spatial images taken on an iPhone to SBS format for viewing on Oculus. The article assumes that HEIC containers hold three JPG images: one preview image, one full-res left image, and one full-res right image. The guide focuses on using command-line utilities on Mac and Linux systems.

Connection Home Failed: Troubleshooting Samba Server Access with Linux smbclient