Articles in Linux | UserComp.com

Extracting Specific Frame Index using FFmpeg's Timestamp (PTS)

Learn how to extract a specific frame index using FFmpeg's Timestamp (PTS) in this tech support article.

Troubleshooting Sound on Asus Rog Zephyrus i7 with Debian 12

Users report experiencing sound issues with their newly purchased Asus Rog Zephyrus i7 laptop after installing Debian 12. The sound seems not to be fully utilizing the speakers. This article aims to resolve the issue.

Troubleshooting Sound on Debian 12: New Laptop Speaker Issue

New Debian 12 user experiences sound issues with the laptop speaker, which seems not to function properly. The sound is heard but appears to be not fully using the speaker, producing a really high sound.

Troubleshooting Bluetooth Audio Devices: Systemd, udev, and blueZ

Laptop users experience choppy audio when one Bluetooth audio device is connected. This article provides a solution for this issue by focusing on Systemd, udev, and blueZ.

Understanding Loops: Executing Screens and Picking Inner Variables

In this article, we will discuss how to execute loops, screens, and pick inner variables. Let's consider an example using a bash script with a #notprint12 directive and a screen DM session. Execute Loops: 1. Create a new bash script file and add the following code: ```bash #!/bin/bash for i in {1..10}; do echo "Executing loop iteration $i" screen -dmS screen-${i} # Your command here done ``` 2. Run the script using the command `./script.sh`. Executing Loops with Screens and Picking Inner Variables: 1. Check the status of screens with the command `screen -ls`. 2. Attach to a specific screen using the command `screen -r screen-${number}`, where number is the screen ID. 3. Execute commands inside the screen session as needed. In the example above, we use a for loop to execute the script 10 times, creating a new screen session for each iteration. The screen session name is determined by the loop variable ${i}.

Permission Denied Error Trying SSH Script: Setting Up SSH Tunnels with Socat

This article explains how to set up an SSH tunnel using Socat and troubleshoots a common issue: the 'Permission Denied' error. The step-by-step guide covers local and remote servers and middle servers, and offers a solution to this problem.

Resolving Unrecognized Option U Error in FFmpeg Installation

This article explains how to resolve the 'getting Unrecognized option u. Errors splitting argument list: Option not found jrottenberg/ffmpeg:6.0-alpinerelease' error during FFmpeg installation on a Linux system.

FFmpeg Textbox Padding using boxborderw: Setting Width Border

In this article, we will discuss how to use the boxborderw option in the FFmpeg drawtext filter to create a textbox with a width border around it. This option sets the width of the border drawn around the box using a box color.

Gnome-Shell Xorg Not Visible with NVIDIA-SMI Processes on Ubuntu 23.10 with Legacy GT730

Users of Ubuntu 23.10 with a legacy NVIDIA GT730 card report that the Gnome-Shell Xorg interface is not visible, despite NVIDIA-SMI processes running. This article provides a solution to the issue.

Troubleshooting Kernel Panic: VFS Unable to Mount rootfs Unknown-Block (2,0) on Ubuntu 22.04

This article provides a solution to the issue of Kernel Panic: VFS Unable to Mount rootfs Unknown-Block (2,0) that occurs during Ubuntu 22.04 installation on a Raspberry Pi 4.

Troubleshooting Bluetooth Input Lag on Ubuntu 22.04 with AX210

Learn how to troubleshoot and solve Bluetooth input lag issues on Ubuntu 22.04 with AX210 chipset. Discover potential causes and effective solutions.

UPnPC Working on Ubuntu 18.04 LTS and Failing on Debian 12

Two old PCs, one running Ubuntu 18.04 LTS with a working UPnP (Universal Plug and Play) over Ethernet, and the other running Ubuntu 20.04 LTS with a failing UPnP over the same network. A newer laptop runs Debian 12 with UPnP working over Wi-Fi. This article explores the possible causes and solutions for the UPnP failure on Ubuntu 20.04 and Debian 12.

Possible Download: Linux Bootable Operating System - Directly Wiped HDD?

Learn how to install a Linux bootable operating system on a directly wiped hard drive. Follow our step-by-step guide.

Starting and Managing User Login Services with systemd on Linux Mint 21.2

Learn how to create and manage user login services using systemd on Linux Mint 21.2. This tutorial covers creating a new unit file and ensuring the service stays running at boot.

Grub Finds No Bootable Option in EndevourOS (Also Not Available in Mobo Menu)

This article discusses a common issue with EndevourOS where Grub fails to list the bootable options in the boot menu. The article offers potential solutions for this problem, including updating the bootloader and checking the BIOS settings.

Setting up WireGuard access to OpenMediaVault NAS with WireGuard plugin: WireGuard route traffic to VPN server specific IP addresses

Learn how to set up WireGuard access to your OpenMediaVault NAS and route traffic to specific VPN server IP addresses using the WireGuard plugin.

Running Android Emulator: Ubuntu Files vs. Windows 10 in Android Studio Installation

This article explores the differences in running Android Emulator on Ubuntu and Windows 10 in Android Studio. Learn about the potential need for transferring files and considerations for emulator data location.

Optimizing File System Usage with SSDs: A Cross-Platform Comparison for Linux, Windows, and Software Development

A user asked about the best use case for SSDs in a cross-platform file system setup, specifically for NTFS. In this article, we will explore the benefits and optimizations of using SSDs for Linux, Windows, and software development.

Creating a Black Background Image (1920x1080) usingFFmpeg

Learn how to create a lossless black background image with a size of 1920x1080 pixels usingFFmpeg.

IP Forwarding: Does it Actually Work on Isolated Machines with Two Wired Networks?

This article discusses IP forwarding on isolated machines with two wired networks, using a fresh Ubuntu 22.04 LTS install. The setup involves two subnets, with no iptables or nftables. Learn if IP forwarding works in this scenario.

New User Account Creation without Maildir Directory?

Users may encounter issues while creating a new user account when the Maildir directory structure is not present. This article explains possible solutions for this problem.

Correctly Using Postfix Virtual Aliases for Email Routing

In this tech support article, we will guide you on how to correctly use Postfix virtual aliases to route emails to specific user accounts. We will cover the process of editing the virtual file in Postfix to set up email forwarding for a specific domain and username.

Suppressing PHP Error Messages in Alpine Linux VServer via SSH Terminal

Learn how to suppress PHP error messages in an Alpine Linux VServer logged in via SSH terminal.

Error: Permission Denied when Using 'sudo virt-install' with qcow2 disk

This article discusses an issue where using 'sudo virt-install' with a qcow2 disk returns a 'Permission Denied' error. The article suggests possible solutions to resolve this issue.

Okular: Remember Last Session and Re-open Files in Ubuntu 22.04 KDE

Learn how to configure Okular PDF viewer in Ubuntu 22.04 KDE to remember the last session and re-open previously opened files.

LVM Volumes Showing Mounted Multiple Times: An Unusual Observation

In this tech support article, we discuss an unusual observation where LVM volumes are showing mounted multiple times. Although it doesn't seem to cause any issues, we aim to clarify the reason behind this behavior and ensure proper volume management.

Connecting to a Cloud SQL Instance using Local MySQL Workbench

Learn how to connect to a Google Cloud Platform (GCP) Cloud SQL instance using Local MySQL Workbench. This tutorial covers notable commands such as 'GCP', 'curl', 'apt-get update', and 'ping gcp vm instance'.

Creating a Simple Maths Calculator with Pi, E, and Phi Values

Learn how to create a simple maths calculator in Linux that includes Pi, E, and Phi values. This step-by-step guide will show you how to use math.pi, math.e, and the golden ratio φ in your calculations.

Calculating Coefficient of Variation with a Moving Window for Pixel Data in Raster Images

In this tech support article, we will discuss how to calculate the coefficient of variation using a moving window for pixel data in raster images using the R programming language. This technique can be useful for identifying patterns and variations in large raster datasets. We will provide a sample R code and explain how it works. By the end of this article, you will have a solid understanding of how to use this method to analyze raster image data.

Globally Replace Backslash with Double Backslash in Text File using Bash

Learn how to globally replace backslash with double backslash in a text file using Bash. This tutorial provides a step-by-step guide to help you effectively edit your text files with ease.

Clipboard Issue: Host-Debian 11, VM-Debian 12 | Tech Support

Experiencing a clipboard error when converting VirtualBox formats in UNICODETEXTINVALIDX11 (idxFmtX11=0) on Debian 11 and Debian 12? Learn how to troubleshoot and resolve this issue with our step-by-step guide. Read more for expert tech support.

Disabling Root User Password Login via PAM in Ubuntu Server

Learn how to disable password login for the root user via PAM in Ubuntu Server to enhance security. This tutorial is designed for somewhat novice sysadmins hosting projects in Ubuntu Server. Follow these step-by-step instructions to secure your Ubuntu 22.04.3 LTS (GNU/Linux 5.15.0-1049-oracle aarch64) system.

Error Logging GeoNode on Ubuntu 20.04: docker-compose logs -f django stops

Having trouble installing GeoNode on Ubuntu 20.04 using Docker? This article provides information on a specific error log related to the command 'docker-compose logs -f django' and suggests possible solutions to resolve the issue.

BitBake Compilation Stage: Filenotfound Error in Yocto Project

Learn how to troubleshoot the filenotfound error during the compilation stage in Yocto Project's BitBake. Follow this step-by-step guide to resolve the issue and successfully build your simple helloworld program.

Fixing Unable to Read Font Error in ImageMagick on WSL (Debian/Ubuntu)

Having trouble with font errors when using ImageMagick on WSL with Debian or Ubuntu? Learn how to fix the issue and get back to using ImageMagick smoothly.

Running SQL Script on Azure SQL DB using Ansible Playbook

Learn how to run SQL scripts on Azure SQL DB using Ansible Playbook. This article provides a step-by-step guide to help you get started with Ansible 2.9 and Azure SQL DB automation.

Fixing Daphne Docker Django ModuleNotFoundError: No module named yourproject

Having trouble with Daphne Docker Django ModuleNotFoundError? Learn how to fix it with this step-by-step guide. Optimized for SEO.

How to Switch from Bitlocked Windows 10 to Ubuntu on a New Laptop

Learn how to switch from a bitlocked Windows 10 drive to Ubuntu on a new laptop. This guide will walk you through the process of installing Ubuntu on your new laptop, even if the Windows 10 drive has been bitlocked for years.

Fixing Online Server Issues for Minecraft 1.20.4 on Debian Server 22.04 LTS for Mini PC

Having trouble setting up an online server for Minecraft 1.20.4 on a Debian Server 22.04 LTS mini PC? Get help and solutions for common issues here.

Windows Alternative to UserModeHelper: Running Batch Files with NT Native Applications

Explore a UserModeHelper alternative for Windows to run batch files with NT Native applications. Tried using NtCreateUserProcess but encountered crashes? Learn about a potential solution.

Troubleshooting Bash Script with Unexpected Spaces

Having trouble with a Bash script that gives errors related to unexpected spaces? Learn how to troubleshoot and resolve the issue.

Configuring RabbitMQ with x-max-length and x-overflow behaviors

Learn how to configure RabbitMQ using x-max-length and x-overflow behaviors to handle message queues more efficiently. Avoid common issues and improve your understanding of drop-head overflow behavior in RabbitMQ.

How to Install Apache BigTop on VirtualBox

Learn how to install Apache BigTop on VirtualBox with our step-by-step guide. If you're having trouble understanding the official documentation, our tech support team is here to help. Follow our instructions to get Apache BigTop up and running on your VirtualBox.

How to Open File Dialogue Window in SSH for Windows, PowerShell, and Ubuntu 20.04