Articles in Linux | UserComp.com

How to Disable MAC Address Anonymization in Tails?

Learn how to disable the MAC address anonymization feature in Tails during boot, and why the Wi-Fi adapter MAC address keeps changing in the terminal. Follow these steps to regain control over your Wi-Fi adapter's MAC address.

Understanding Secure Boot and Signed Kernel Modules

Exploring the concept of Secure Boot and the importance of signed kernel modules in an x86 system. Testing a non-signed kernel module with a secured boot version 4.9.20 (x64) brings up questions on its functionality.

Troubleshooting Bash Tab Completion That Doesn't Work for Source Commands

Learn how to fix the issue when bash tab completion doesn't work for the source command, even when executables are present in the ~/bin folder. Follow these steps to get tab autocompletion back on track.

Remote Plex Access via Synology NAS using Wireguard VPS: A Tech Support Guide

Learn how to set up remote Plex access via Synology NAS using Wireguard VPS, even when port forwarding is not possible behind a CGNAT. Check faster by connecting VPS1WG for a secure and efficient solution for home traffic.

Fixing "Node NPM Command Not Found" Error on WSL 2

In this tech support article, we will provide a solution for the "Node NPM Command Not Found" error that some users may encounter while using Node.js and NPM on the Windows Subsystem for Linux (WSL 2) platform. Learn how to resolve this issue and continue developing your applications without interruption.

Git Clone/Fetch Freezing During SSH: Troubleshooting

Experiencing Git clone or fetch freezing during SSH? Learn how to troubleshoot and resolve this issue.

FFmpeg RTSP H264 Streaming Issue: Couldn't Find Codec Parameters

A user reports difficulty capturing frames from an RTSP H264 stream using FFmpeg. The stream plays in VLC, but FFmpeg fails to find the required codec parameters. This article provides suggested solutions for resolving the issue.

Installing FFMPEG on cPanel: A Comprehensive Guide for Small Web Hosts

Learn how to install FFMPEG on your cPanel server and provide superior video streaming services to your small web hosting clients. Follow our step-by-step guide.

Building Linux GUI Applications in WSL using GCC/Clang and Running Command Prompt

Learn how to build and run Linux GUI applications using GCC, Clang, and the command prompt in the Windows Subsystem for Linux (WSL) environment.

Plesk Server: SSH Works, but SFTP Doesn't (FileZilla, PHPStorm)

Having trouble connecting to your Plesk server through SFTP, even though SSH is working fine? This issue might be due to a number of reasons, including incorrect server configuration or firewall settings. In this article, we will explore some potential solutions to this problem, using popular FTP clients such as FileZilla and PHPStorm as examples.

Ubuntu 24.04: Jack Headphone Connect via AUX Not Recognized as Audio Input

Encountered problem with Ubuntu 24.04 where Jack headphone connect via AUX is not recognized as audio input. Unclear if it ever worked or not. Let's troubleshoot this issue together.

Troubleshooting Storage Space Error When Copying Files in File Explorer with WSL on Ubuntu Server 24.04

Users encountering a storage space error while trying to copy files from a new 8TB NAS drive formatted with EXT4, connected via WSL on Ubuntu Server 24.04.

Fixing Unreadable Text Files from Ghostscript PDF Conversion of Urdu/Arabic Documents

Having trouble with unreadable text files after converting a 7-page Urdu/Arabic language PDF using Ghostscript? Learn about a potential fix to get readable text output.

Debian-based Hosts: Improve VM Security with Virt-Manager User Session Start

Learn how to improve security on Debian-based hosts by setting Virt-Manager to start user sessions before the default boot. Prevent unauthorized access to your virtual machines.

Troubleshooting Facebook Notifications Sounds in Manjaro/KDE Plamsa

Learn how to troubleshoot Facebook notifications sounds not working in Manjaro/KDE Plamsa.

Wezterm Transparent/Acrylic Background Issue: A Solution

Learn how to resolve the Wezterm Transparent or Acrylic background issue on Windows.

Migrated WSL Ubuntu 20.04.06 to New Location, Leaving Ubuntu 20.04.3 Place: What You Need to Know

Learn how to migrate your WSL Ubuntu 20.04.06 to a new location, creating a new user and version in the process. A comprehensive guide for a smooth transition.

Ubuntu 24.04.1 LTS Server: systemd-networkd and DHCPv4 client on enp4s0 takes too long

This article discusses an issue where a well-behaved interface wlp2s0 on an Ubuntu 24.04.1 LTS server receives DHCPv4 configuration within 2 seconds, but the enp4s0 interface takes an unusually long time. We explore possible causes and solutions.

Mininet Installation Error: Failed to Start OpenVSwitch-Switch on Ubuntu 22.04 WSL2

When installing Mininet on Ubuntu 22.04 using WSL2, the OpenVSwitch-switch fails to start during the installation process. This article provides suggestions for troubleshooting and resolving the issue.

Installing WSL Ubuntu 20.04.06 in a New Location

This article explains how to install WSL Ubuntu 20.04.06 in a new location while leaving Ubuntu 20.04.3 in its original place. Follow the steps below to create a new user and window for the new version.

DNS Server & Domain Configuration Issues with vSphere 2.9.3 Terraform: A Tech Support Guide

This tech support guide addresses common DNS server list and domain configuration issues encountered with vSphere 2.9.3 Terraform. Learn about potential solutions and how to avoid these problems in the future. Read more to find out how.

Blocking Outgoing SSH Connections for Specific Ubuntu Server Users

Learn how to block outgoing SSH connections for specific users on an Ubuntu server.

Configuring Redirect NTP Responses on pfSense

Learn how to configure pfSense to redirect NTP responses for improved network security. This approach goes beyond simple iptables redirection.

Granting Network Access to QEMU in Docker Containers

Learn how to grant network access to QEMU running inside a Docker container by configuring macvlan interface. Communication between containers and the host is essential.

Wiped Ubuntu OS in Linux Homelab: Recovering from an Accident on HP Proliant 9

Learn how to recover from accidentally wiping the Ubuntu OS on an HP Proliant 9 server in your Linux homelab. Follow these steps to get your system back up and running.

Configuring a Groupable SSH Server: A Solution for Local Ubuntu Server Users

A local Ubuntu server user seeks a solution to configure a groupable SSH server. This article explains the steps to create a groupable SSH server to manage multiple user connections efficiently.

Enabling Secure WebSocket Connections to Yjs Collaborative Editor with .htaccess

Learn how to access your Yjs collaborative editor WebSocket server securely using wss:// and .htaccess. Improve your Node.js-based editing experience with enhanced security measures.

Understanding Strange Processes Running as User and Root: A Potential Sign of Server Compromise

Discovering processes running under different user accounts, including the root user, can be a sign of a compromised server. In this article, we'll discuss the implications of finding processes running as user and root, and provide steps to investigate further.

DNFRepo List Returns Different Responses: CentOS 9 Stream and Zotac

Experiencing issues with DNF repo list while managing Ansible playbooks for CentOS 9 Stream and Zotac machines. Unable to find popular packages on Zotac.

Dynamically Change Filename Using FFmpeg: A Comprehensive Tech Support Guide

Learn how to dynamically change filenames of media files using FFmpeg, a powerful multimedia framework. This tech support article provides step-by-step instructions for various platforms, ensuring your video files maintain their desired naming conventions.

Troubleshooting Corrupted Data Found in Tmux 256-Color Custom Terminfo Entry

Having issues with corrupted data found in Tmux 256-color custom terminfo entry? Learn how to troubleshoot and resolve this problem with our step-by-step guide. Discover the best practices for installing and configuring tmux-256color terminfo. Maximize your terminal customization experience and overcome the common challenges associated with this popular terminal emulator.

How to Use FIDO Keys with SSH Agent for Improved Security

Learn how to use FIDO security keys, such as YubiKey, with OpenSSH and SSH agent for enhanced security and two-factor authentication. This guide shows you how to set up and log in to a remote host using two FIDO keys.

Effortless FFmpeg Segmentation Without Re-encoding or Dropped Frames

Learn how to segment a video using FFmpeg without re-encoding, ensuring no frames are dropped. This guide provides a step-by-step process, starting with a simple command to explore frame data.

Making Nextcloud AIO Use Tailscale's Lets Encrypt SSL Certificates: A How-To Guide

Streamline your Nextcloud AIO server management with Tailscale network, making it easy to create and manage SSL certificates using Tailscale's built-in Lets Encrypt integration. Follow this step-by-step guide to simplify your Nextcloud experience.

Organize Video Stream File Folders with FFmpeg

Effortlessly organize your video stream files and folders using FFmpeg. This powerful tool allows you to easily manage your video files, make them more accessible, and improve overall workflow. Learn how to utilize FFmpeg's features to optimize your video file management today.

Resolving Dual Boot Issues after Installing Linux Mint on Windows 10

Learn how to resolve dual boot issues after installing Linux Mint on Windows 10, including secure boot messages and power settings.

Cloning a Windows Drive with QEMU and Selectively Handling Boot Partition

Learn how to clone a Windows drive using QEMU, while selectively handling the boot partition. This guide will help you clone a 2TB drive with a 100MB boot partition, a 300GB C: drive, and the rest of the space used for games, without cloning the games partition.

Possible Enable Huge Pages for PostgreSQL and Other Services

Learn how to enable huge pages for PostgreSQL server with 16TB shared buffers and 1GB huge page size. The guide covers the necessary configuration to allow PostgreSQL to work efficiently with 11 huge pages.

Unable to Send TCP Packet Containing Surname via ping3 Netcat Listener (Kali Linux to Ubuntu)

This article discusses the issue of sending a TCP packet containing a surname via a ping3 Netcat listener from Kali Linux to Ubuntu, and provides potential solutions.

Setting DNS Records for Your Mail Server on a Tech Support Site

Learn how to set DNS records for your mail server on a tech support site. Follow these steps to create a subdomain and configure your DNS records for your NAS domain registrar. This guide will help you get your mail server up and running in no time.

How to Mount ISO Files Over a Small Home Network with 1 PC and a CD Drive

In this tech support article, we will discuss how to mount ISO files over a small home network with 1 PC and a CD drive. By following our SEO-optimized guide, you'll be able to install software on multiple PCs without the need for a physical CD. Read more to learn how to mount ISO files on your small home network.

Troubleshooting SFTP Connection: Subsystem Request Failed

Having trouble with SFTP connection using 'sftp user@host' command? Learn how to troubleshoot the 'subsystem request failed' channel 0 connection closed error in this guide.

Apache on Ubuntu in VirtualBox: Forwarding Port 80 to Windows 11 Host (Port 22222)

Learn how to forward port 80 from your Ubuntu Apache server running in VirtualBox to your Windows 11 host using port 22222.

Setting up VMware on an MCSE Lab VPS: A Hardware Alternative

Exploring the option of using a VPS lab environment to run VMware Workstation due to hardware limitations while pursuing Microsoft MCSE certification.

Using FFmpeg EXIF tool to write metadata in MP4 file: Title Guys!

This article explains how to use FFmpeg EXIF tool to write metadata in an MP4 file. Follow the instructions provided for Ubuntu and Windows platforms.

Speed Reading Large Number of XML Files in Bash: Overcoming the Bottleneck

Learn how to optimize the reading process of large numbers of XML files using Bash script. Discover the potential bottleneck and techniques to improve performance.

Troubleshooting Encoding Issues with Switching between Bash and Fishshell in Ubuntu WSL

Users have reported encountering encoding issues when switching between Bash and Fishshell in Ubuntu WSL. In this article, we'll discuss possible solutions to help you resolve the problem.

Ping Request Timeout: How to Fix on Ubuntu 24.04.1 and Google Router GJ2CQ

Having trouble with ping requests timing out on your Ubuntu 24.04.1 machine or Google Router GJ2CQ? Learn how to diagnose and fix the issue in this tech support article. SEO optimized. Read more!

FFMPEG Video Encoding Example Not Working: A Troubleshooting Guide

Having trouble with the FFMPEG video encoding example? This SEO-optimized guide will help you identify common issues and provide solutions for both Ubuntu and Windows systems using the latest FFMPEG build. Read more for a comprehensive tech support approach.

Prometheus Stack Operator Not Scraping Metrics for App? Here's a Small Demo to Help

Having trouble with the Prometheus Stack Operator not scraping metrics for your application? This article provides a concise demo to help you collect and view cluster metrics using the kube-prometheus-stack. Learn how to get metrics and troubleshoot your issue.