Articles in Linux | UserComp.com

Troubleshooting Wazuh Installation Error on Hyper-V Ubuntu 20.04

In this tech support article, we will provide solutions to common Wazuh installation errors when using Hyper-V with Ubuntu 20.04. Learn how to resolve these issues and successfully install Wazuh.

FFMPEG: Small Timestamp Difference Results in Two-Frame Difference Output - A Tech Support Guide

Learn how to handle small timestamp differences that result in two-frame difference outputs when using FFMPEG's complex filter for video input composition. Find out how to ensure precise trims and avoid re-encoding for optimal results.

Running Ubuntu 20.04 within a Non-Privileged Docker Container on CentOS 7

Learn how to run Ubuntu 20.04 within a non-privileged Docker container on a CentOS 7 host machine. This tech support article provides a step-by-step guide to help you set up and access your Ubuntu container securely.

Avoid Killing the Wrong Process Using 'pkill-like' Utility in Linux

Learn how to avoid killing the wrong process using a 'pkill-like' utility that matches processes based on certain strings in /proc/pid/environ. Understand the consequences of killing a process incorrectly and how to prevent it.

Fixing FFmpeg Error: Muxing Packet while Concatenating GoPro Videos

Having trouble concatenating GoPro videos using FFmpeg? Learn how to fix the 'muxing packet' error and maintain the original stream order in this quick guide.

Why Can't I Find Scanned Files or Detect Viruses/Malware on Linux Systems?

Learn about the options for scanning Linux systems for viruses and malware, including using antivirus software and other methods.

xRDP Sound Redirection Error on Ubuntu 20.04 with VirtualBox

This article explains how to resolve an xRDP sound redirection error when installing xRDP on Ubuntu 20.04 using VirtualBox.

Fixing FFmpeg Webcam Audio Capture: Audio Stops Playing Towards End of Video

Learn how to fix the issue of audio stopping towards the end of a video recorded using FFmpeg and a webcam. This guide provides a step-by-step solution to ensure perfect audio synchronization with the video.

What Decoder Does FFmpeg Actually Use? A Look into FFmpeg's Decoding Process

Ever wondered what decoder FFmpeg actually uses when processing a video file? In this article, we will explore the decoding process of FFmpeg and what decoder it utilizes, with a special focus on Intel QuickSync decoding. Whether you're a Linux, Windows, or MacOS user, this information is crucial for optimizing your video encoding workflow.

Network Spikes (Stutters) Every 5 Minutes on Huawei HG8245W5-6T Router During Gaming and UDP Traffic

Users of the Huawei HG8245W5-6T router report experiencing network spikes, or stutters, every 5 minutes while gaming or using applications involving UDP traffic. This issue can result in short lags and disrupt the user experience. In this article, we will discuss potential causes and solutions to help resolve this problem.

Ways to Deal with 2FA for PyPI without a Phone

Learn the best practices for dealing with two-factor authentication (2FA) for PyPI accounts without the need for a phone. This article covers various methods to help you secure your Python library modules.

Extract Last Seconds of GoPro Video Losslessly with FFmpeg While Keeping Telemetry Info and Stream Order

Learn how to extract the last few seconds of a GoPro video file without losing quality, while keeping telemetry data and stream order intact, using the powerful FFmpeg tool. This guide is useful for anyone working with GoPro footage and looking for a lossless and efficient way to snip video clips.

Monitoring Headless Ubuntu 24.04 Server with Installed Xubuntu-core

This article explains how to monitor a Ubuntu 24.04 Server with Xubuntu-core installed. The device runs smoothly, but certain programs required installation. Learn how to set up monitoring for this headless setup.

No Internet: Troubleshooting AP Connected to pfSense

In this tech support article, we will discuss how to troubleshoot a network set up with a pfSense separated device, WAN interface connected to the modem, LAN connected to a managed switch, and an old router such as Netgear R7800 acting as an access point. If you're experiencing no internet connection, follow these steps to identify and resolve the issue.

Troubleshooting Alpine Linux: Can't SUDO or Login with LDAP PAM Accounts

Having trouble logging in or using SUDO with LDAP PAM accounts on your Alpine Linux server? Learn how to troubleshoot and resolve these issues with this step-by-step guide. This SEO-optimized abstract highlights common issues and provides a solution for enabling successful logins and SUDO access for LDAP PAM accounts.

Emmet Expand Tab Not Working in VSCodium: A Troubleshooting Guide

Having trouble expanding HTML tags using Emmet in VSCodium? This article provides a step-by-step guide on how to resolve the issue, even when the settings.json file appears to be configured correctly. Learn how to set the file type to HTML and enable Emmet's trigger expansion on tab functionality.

Setting up an Ad-hoc Network with Multiple Raspberry Pi 5 Devices (No DHCP, Static IP and No Default Route using nmtui)

Learn how to set up an Ad-hoc network with several Raspberry Pi 5 devices using nmtui, without DHCP and a default route. This guide will help you create a static IP network for your Raspberry Pi devices.

Separating Partitions in Linux: A Gentoo User's Experience

A Gentoo user shares their experience of creating separate partitions during Linux installation.

Maximizing Linux Fun with Drive Partitioning

Explore the benefits of drive partitioning in Linux, particularly Gentoo, for a more organized and efficient system. Learn how to create separate partitions for your next Linux install.

Automated File Reconstruction: Handling Multiple Copies in Linux

Learn how to automate the process of reconstructing multiple copies of different file types in Linux. This includes backups and various file cases.

Bash Alias 'l' Fails - Name Changed to 'lf'?

Having trouble with a Bash alias named 'l' that's not working? Learn how to troubleshoot and resolve the issue by changing the alias name to 'lf'.

Fixing Weird Syntax Error in Bash Aliases

Learn how to troubleshoot and fix a weird syntax error in your bash aliases file. Follow these simple steps to get your aliases working again. #bashaliases #syntaxerror #techsupport

Exposing Minikube NodePort Ethernet Interface for Visibility on Host Network: A Guide for Enterprise Project Prototyping with Hyperledger Fabric

This guide covers exposing non-HTTP services running on Minikube for Hyperledger Fabric (HLF) network in an enterprise project prototype. Learn how to make Minikube NodePort accessible on the host network for seamless integration and testing.

How to Split Root Partition on Your Linux System

Learn how to split the root partition on your Linux system for better storage management. This step-by-step guide will walk you through the process, whether you're using Gentoo or another distribution. Improve your Linux knowledge and optimize your system's performance.

How to Delete Empty and Almost Empty Directories with Hidden Files

Learn how to remove empty directories and almost empty directories that contain hidden files using simple commands. This guide covers Linux, Windows, and MacOS systems.

Coolify Environment: Docker Compose PHP Web Server with Nginx Proxy and Gettng Gateway Timeout

Learn how to set up a PHP web server using Docker Compose, Nginx proxy, and Coolify gateway. Resolve issues related to getting gateway timeouts.

Coolify Docker Gateway Timeout Proxying PHP with Nginx Proxy for Multi-Domain Setup

Learn how to Coolify your Docker Compose PHP web server setup by implementing Nginx proxy to serve static files and proxy PHP server. This tutorial covers a multi-domain setup to optimize gateway timeouts.

Understanding Bash Glob Patterns and Variables for Tech Support

In this tech support article, we'll explain the basics of Bash glob patterns and variables. Learn how to use them with file lists and scripts. Keywords: Bash, Glob patterns, Variables, Tech support.

IT Support: IPTables Redirection Issue with Python HTTP Server on One Machine's IP Address

Experiencing issues with IPTables redirection for a Python HTTP server running on IP1 with incoming connections limited to ports 443 and 22 (7443). This article provides a solution for dropping all other incoming connections from the outside world.

How to Use cURL to Try Nameservers in resolv.conf?

Learn how to use cURL to try different nameservers listed in the resolv.conf file. This can be useful for troubleshooting DNS issues and understanding the behavior of different nameservers.

xfce4 Session Segfaults and Crashes with Inkscape on Debian 12

Users running Debian 12 with the xfce4 desktop environment have reported encountering segfaults and crashes when using Inkscape. This article provides potential solutions to resolve the issue.

Mount Azure File Share with Entra ID User Rights for Windows

In this tech support article, we will guide Windows users on how to mount company Azure file shares using Entra-Account on their Win 11 PC, with a focus on Entra ID user rights.

SSH Passwordless Login Failure: Troubleshooting Key-based Authentication

Having trouble setting up passwordless SSH login to nodes in your data center? Learn how to troubleshoot key-based authentication issues and ensure seamless access to your servers.

Executing EFI Shell Scripts via PXE: A Low-Level Maintenance Approach

Learn how to execute EFI Shell scripts via PXE boot for performing low-level maintenance tasks. This method enables the execution of scripts during the boot process, enhancing system administration capabilities.

Creating a Bash One-Liner to Activate Python virtualenv

In this tech support article, we will provide a Bash one-liner to quickly activate a Python virtual environment and run a Python script.

Possible Test FFmpeg Command Without Actual Running: A Comprehensive Guide

Learn how to validate FFmpeg scripts without actually running them, preventing the loss of time and resources. This guide provides a comprehensive insight into possible test FFmpeg commands for effective tech support.

Understanding Vim's Normal Mode and Backspace Behavior

Learn about Vim's Normal mode and its backspace behavior, which may not delete characters as expected.

Understanding Web Server Port 80 and NAT Port Translation for Tech Support

This article explains how a home computer sitting behind a domestic router can connect to Google's web server (216.58.204.78) on port 80 using NAT port translation. A must-read for tech support professionals.

External USB Disk Not Loading ISO for VMware Player 17.5.1 on Linux

Experiencing trouble loading an ISO file from an external USB disk in VMware Player 17.5.1 on a Linux system? This article offers a solution.

Cannot Ping Kali Ubuntu from Ubuntu: A VirtualBox Firewall Issue

Learn how to resolve the issue of not being able to ping a Kali Ubuntu virtual machine from the host Ubuntu system using VirtualBox. This article explains the firewall settings that need to be configured.

Validate FFmpeg Scripts Without Running Them

Learn how to validate FFmpeg scripts without running them, ensuring your complex and long scripts are error-free and ready for execution. Improve your tech support skills with this useful tip.

Unresponsive Key (keycode 248) on Linux: Troubleshooting with xev

This article provides a step-by-step guide to diagnose and resolve an unresponsive key issue on a Linux system using the xev tool. The article explains how to interpret the xev output and suggests possible solutions based on the given example.

Optimizing ClamAV Scanning with Enterprise Linux 9 and fanotify

Learn how to optimize ClamAV scanning on Enterprise Linux 9 using fanotify for real-time monitoring of modified files. Improve your system's security and performance by utilizing this powerful combination.

How to Adjust Lubuntu LXQT Desktop Icon Spacing in Taiwan (zh_tw) Locale

Learn how to adjust the wide desktop icon spacing on Lubuntu LXQT desktop in Taiwan (zh_tw) locale. Follow our step-by-step guide to customize your desktop and make it more user-friendly.

Solving WARP Configuration Issue with WireGuard and 3X-UI (VLESS-Reality) Proxy on VPS Server

Having trouble setting up WARP via WireGuard VPS running Ubuntu 22.04 with 3X-UI panel (VLESS-Reality)? This article will help you route traffic through the WARP proxy using the 3X-UI Proxy panel. Follow the steps to resolve the WARP configuration issue.

Re-reading Local M3U8 Files with FFmpeg

Learn how to re-read local M3U8 files using FFmpeg. This tutorial covers the process of updating an existing M3U8 playlist with new media streams.

Fixing WSL1 Ubuntu 24.04 Upgrade Failure

Having trouble upgrading your freshly installed WSL1 Ubuntu 24.04 system? This article provides a solution for the error encountered during the upgrade process.

How to Start Intent without Activity Class in Termux for Automating Android Phone

Learn how to start an intent without an activity class in Termux, a popular terminal emulator for Android. This tutorial will help you automate your Android phone by launching intents without the need for an activity class. SEO optimized.

SFTP returning permission denied despite correct directory permissions: A tech support guide

In this tech support article, we will discuss a common issue faced when using SFTP to transfer files to a NAS with limited capacity and multiple SSH/SFTP configurations. We will explore the reasons behind the 'permission denied' error and provide solutions to manage uploads.

Batch Copy Existing File Names with New Folder Names: Move Files and Create Folders

Learn how to batch copy existing file names to new folders while moving files in Linux, Windows, and MacOS.