Articles in Linux | UserComp.com

Eliminating Extra Lines when Displaying Text File using FFplay and FFmpeg

Learn how to eliminate extra lines when displaying a text file using FFplay and FFmpeg with a specific command. Improve your text overlays with this simple fix.

Discovering Network Devices: Protocols Used and How to Hide Your Device

Learn about the protocols used for network device discovery and how to hide your device from being discovered. This article provides a brief overview of the topic, following the discovery of a Windows 11 instance in a Linux server's BMC interface.

PostgreSQL Traffic Analysis: Many Bytes Total Received by Client with Wireshark - Tech Support Site

This tech support article provides a brief tutorial on how to analyze PostgreSQL traffic and find out the total number of bytes received by a client using Wireshark. Learn how to create a simple table and issue the SELECT * command for traffic analysis. Read more for detailed instructions.

Using Multi-Thread Options in Single Table Backup with mydumper and myloader for MySQL Database

In this tech support article, we will discuss how to use multi-thread options in single table backup using mydumper and myloader for MySQL database. With a use case of a 2TB database and a 1.3TB table, we will show how to optimize the backup and restore process using mydumper and myloader's multi-threading capabilities. Learn how to make your MySQL database backup and restore faster and more efficient.

Need Help Installing FFmpeg Server on Plesk Obsidian 18.0.59 with Ubuntu 22.04.4 LTS for Custom MP3 Player

Having trouble installing FFmpeg on your Plesk Obsidian 18.0.59 with Ubuntu 22.04.4 LTS server for a custom MP3 player? This article provides a brief overview of the steps to install FFmpeg server and how it can be used for a custom MP3 player on your website.

No Sound in Manjaro Install: A Comprehensive Guide

Having trouble with no sound after installing Manjaro? This article provides a step-by-step guide to help you diagnose and fix the problem. From checking your sound settings to updating your drivers, we've outlined the most common solutions to help you get your sound back. Read more for a comprehensive guide to fixing no sound in Manjaro.

Debugging Samba/SMB/CIFS Timing Error on Asustor FlashStor with ADM 4.2.5.RN33 and SMBD 4.12.8 Client

Having trouble with a timing error on your Asustor FlashStor running ADM 4.2.5.RN33 and SMBD 4.12.8 client? Learn how to debug and troubleshoot the issue. Discover the causes, symptoms and solutions for Samba/SMB/CIFS timing errors. Read more for a comprehensive guide to resolving Samba timing issues on Linux systems.

Debugging Samba/SMB/CIFS Timing Error (Credits Granted) on Asustor FlashStor with ADM 4.2.5.RN33 and SMB client Ub...

In this tech support article, we will guide you through debugging a Samba/SMB/CIFS timing error (credits granted) on an Asustor FlashStor running ADM 4.2.5.RN33 and SMB client. We will provide a step-by-step approach to identifying the issue and suggest possible solutions.

Clone Medium Disk with VBoxManage to Fix VirtualBox VM's Growing Disk Size Issue

If you've configured a VirtualBox VM with a large hard disk size, only to find that the VDI file size keeps growing due to program VM-generated log files, this article provides a solution. Learn how to use the VBoxManage CloneMediumDisk command to fix the issue. Inviting audience to read the full tech support article.

Troubleshooting BIND9 nsupdate Failure with Catalog Zone

Having trouble setting up a BIND9 server using a catalog zone? Learn how to troubleshoot nsupdate failures with these step-by-step instructions.

Fixing File./- Works but Gets-Filename Issue in Linux

In this article, we will discuss a common issue in Linux where 'file./-' works but 'gets-filename' returns an error. We will explore the reasons behind this issue and provide a solution to fix it.

Encoding Issues with SSH:resolved when Viewing Files between Connected Computers

Experiencing issues viewing files between two computers connected through an SSH session? Learn about encoding problems and how to resolve them in this tech support article. Discover the solutions for a seamless file sharing experience.

Creating Custom Keyboard Layout for Regional Language Editing in Linux Mint: A Solution for One-Key Three-Unicode-Character Problem

In this article, we discuss a solution for a specific problem encountered when creating a custom keyboard layout for regional language editing in Linux Mint. The problem is that one character requires a combination of three Unicode characters, which normally requires three separate key strokes. Here, we present a solution that enables the use of a single key stroke for the three-Unicode-character combination.

MariaDB Refused to Start: Permission Denied Error Solved

Having trouble starting MariaDB due to a permission denied error? Learn how to solve the 'MariaDB refused to start' issue caused by permission errors in this SEO-optimized tech support article. Read more to find the solution.

WSL2-Arch: Running Graphical Applications on Windows

Having trouble running GUI applications on WSL2-Arch? Learn how to solve the 'GTK not initialized' issue and get your graphical apps working seamlessly on Windows.

Network Namespaces Security Issues with Running VPN for Selected Applications

This article discusses the potential security issues when creating network namespaces for running a VPN, such as 'myvpn', for selected applications. Root access and default star namespaces are crucial in ensuring security. Stay tuned for more information on tech support.

Generating FFmpeg Command for Muxing Subtitles to Match VLC's Standard Format

Having trouble muxing subtitles to match VLC's standard format using FFmpeg? This article provides a solution for generating the appropriate FFmpeg command for VLC-style subtitles, making your multimedia experience seamless and enjoyable.

How to Use Font Attachment and Burn Subtitles in MKV Container

In this tech support article, we will discuss how to use font attachment and burn subtitles in MKV container using the `dump_attachment` feature of ffmpeg. This will enable users to include subtitles in their MKV files in a more efficient and accessible way.

Encode Images and Videos to Make Them Available with FFmpeg

Effortlessly encode images and videos into a desired format using FFmpeg, with processed frames saved to a dedicated directory for seamless access.

Using the 'ls' Command with the Last Changed File Argument for Efficient Analysis

The 'ls' command in Linux can be used with the last changed file argument to efficiently analyze and manage files. By using commands such as 'echo' and 'cat', you can quickly display the most recently modified files and their details. This can be particularly useful when faced with analyzing the latest log or file changes.

Fixing oh-my-posh Error Block in Ubuntu 22.04 LTS Terminal

Learn how to troubleshoot and fix the oh-my-posh error block in the Ubuntu 22.04 LTS terminal. This guide provides step-by-step instructions to resolve the issue and get your terminal working correctly again. Don't miss out on this essential information for Ubuntu users.

How to Secure Your TFTP Server on Ubuntu for Better Network Protection

In this tech support article, we will guide you through the steps to secure your TFTP server on Ubuntu. By following these instructions, you can ensure better network protection and prevent unauthorized access. Read more to learn how to secure your TFTP server today.

Creating a Dockerfile with Sudo Visudo and CentOS 7 Base Image: A Tech Support Guide

In this tech support guide, we'll walk through the process of creating a Dockerfile using the CentOS 7 base image, and editing the etc/sudoers file to append NOPASSWD privileges for new user groups. This can be a useful technique when setting up development or production environments in Docker.

Accessing Resources with a Single URL on Two Networks: Home and Wireguard Network

This article discusses accessing resources using a single URL on two networks, specifically focusing on the situation where a user is trying to set up a Wireguard tunnel for home NAT (not static IP access port). The article provides a solution for this issue, making it easier for users to access resources from both networks seamlessly.

Can't Bind WireGuard Connection to a Specific Network Interface in Linux?

Having trouble binding WireGuard connections to specific network interfaces in Linux? Learn about common issues and potential solutions for programmatic WireGuard interface binding.

Fixing "Can't Concatenate Videos" Error in FFmpeg

Having trouble concatenating videos in FFmpeg? Learn how to fix the 'Can't concatenate videos' error with this simple guide. Perfect for Linux users looking to master video editing.

No DRI3 Support Detected for Vulkan on VNC Server (Debian) | Tech Support

Having trouble using Vulkan with VNC on your Raspberry Pi 4 running the latest Debian Bookworm 64-bits? Learn about the DRI3 support issue and possible workarounds in this tech support article.

Fix Docker Install CentOS 7.4 Version Info Failed Error

Having trouble installing Docker on CentOS 7.4? This article will guide you through fixing the version info failed error during installation using yum. Learn the steps to successfully install Docker on CentOS 7.4.

Create Sinusoidal Waves in Sox without a Gap: A Tech Support Guide

Learn how to create sinusoidal waves in Sox without gaps, using a simple command. This guide is perfect for those looking to generate multiple sinusoidal waves for testing, debugging, or sound design purposes. Follow these steps to create three sinusoidal waves combined into one file, each 1 second long, at a frequency of 200 Hz, and with a 100 ms delay between them. Once you master this technique, you'll be able to adapt it for your own specific needs.

Strange Issue: Clicking USB Stick Icon on Unity Ubuntu Opens VS Code - Here's How to Change it Back

If you're experiencing a strange issue where clicking the USB stick icon on the Unity taskbar opens VS Code instead of the default file manager, here's how to change it back. Learn how to set Nemo as the default file manager on Ubuntu Unity.

Setting Pi-hole Hom Network: A Guide

This article provides a step-by-step guide on setting up Pi-hole as your home network's DNS server. Learn how to configure your network settings and improve your online privacy. Read more to get started.

Wine/Proton Doesn't Recognize Thrustmaster T-LCM Pedals on Linux: A Guide

Having trouble with Wine or Proton not recognizing your Thrustmaster T-LCM pedals on Linux? This guide outlines steps to troubleshoot and resolve the issue, ensuring optimal gaming performance.

Effortlessly Get Rid of Unwanted Email Addresses on Firefox 115.8.0esr (64-bit) Debian 11 - Linux Category

Learn how to manage and eliminate unwanted email addresses authenticated through Google services while using Firefox 115.8.0esr (64-bit) on Debian 11. Improve your email management and online privacy with our easy-to-follow steps.

UFW Temporarily Rejects Port localhost for Testing: A Tech Support Guide

Having trouble with UFW temporarily rejecting port localhost for testing? Our tech support guide will help you understand and resolve the issue. Learn about firewall configurations, Port 8391, and more.

SSH Connection Tunnel Unable to Negotiate Error: A Technical Support Guide

In this tech support article, we will tackle the issue of an SSH connection tunnel unable to negotiate error. This error commonly occurs when establishing an SSH tunnel to a device using the ssh-L localhost:44445:X.X.X.X:XXXX [email protected] command. We will provide possible solutions and workarounds for this error to help you successfully create an SSH tunnel.

Unable to See USB Kali Linux 2024.1 (Non-Live) Boot Menu on Lenovo Legion Pro 5i (Gen 8) with i9 (13th Gen) and Nvidia GeForce RTX 4060

Having trouble seeing the USB Kali Linux 2024.1 (Non-Live) boot menu on your Lenovo Legion Pro 5i (Gen 8) laptop with i9 (13th Gen) and Nvidia GeForce RTX 4060? This article provides a solution to the issue, helping you to successfully boot from your USB drive.

Network Configuration of 3 Oracle VirtualBox VMs for Multi-Network Client Communication

This article provides a step-by-step guide to configuring three Oracle VirtualBox VMs with distinct and overlapping networks, enabling seamless client communication across different virtual machines. Learn how to set up virtual networks, configure VM network adapters, and test multi-network client communication.

Create New Root User with Root Privileges and Boot Partition Access: A Comprehensive Guide

Learn how to create a new root user with root privileges and access to the boot partition. This guide will walk you through the process, step-by-step, for Linux systems. Improve your tech support skills and become an expert in user management. Read more for a comprehensive guide.

Converting WireGuard Docker Setup to Kubernetes: Handshake OK, No Internet Access

Having trouble accessing the internet on WireGuard clients configured for Docker Kubernetes host networking? This article provides a solution to achieve internet access after a successful handshake.

GlassFish Crashes Randomly on Oracle-GlassFish 3.1.2 Java 1.7: A Troubleshooting Guide

In this tech support article, we will discuss the issue of GlassFish randomly crashing on Oracle-GlassFish 3.1.2 Java 1.7. We will explore possible causes and provide solutions to help you get your server up and running. Read more to find out how to troubleshoot this problem.

Optimizing Pterodactyl Docker Pulling Times with iptables

If you're experiencing delays when pulling Docker images with Pterodactyl while using iptables to block incoming traffic, this article can help. We'll discuss potential reasons and provide solutions to reduce pulling times, making your tech support experience smoother.

Connecting iMac and Mac Mini as User John (ID 501) Using SSH to Check Processes Running Remotely

Learn how to connect two Mac machines as user John (ID 501) using SSH to check processes running remotely. This tutorial uses the `ps -U 501` command to display user 501's processes on the remote server.

Brother HL-L2325DW Printer Not Printing Despite Job Completion on Arch Linux

Having trouble getting your Brother HL-L2325DW printer to print despite CUPS stating the job is complete on Arch Linux? This SEO-optimized article provides a helpful solution for tech support seekers. Read more to learn how to resolve this issue.

How to Automatically End Current Session in Parrot Security 6.0 (Lorikeet)

In this article, we will provide a step-by-step guide on how to automatically end the current session in Parrot Security 6.0 (Lorikeet). This feature can be useful in a variety of scenarios such as kiosk mode or public workstations. We will cover the necessary steps to configure this feature and make your Parrot Security system more secure.

Fixing Missing Characters in X11 Ubuntu and Working Fine with Xming on Windows

In this article, we will discuss the issue of missing characters when accessing a server's GUI through X11 on an Ubuntu PC, and how to fix it. We will also cover the use of Xming on Windows for the same purpose. This SEO-optimized article provides a solution for the problem and encourages the audience to read more for in-depth tech support.

OpenWRT-RTSP doesn't work on 802.11b: No video stream, audio works

Experiencing issues while configuring OpenWRT on MT7628 chip by Mediatek, specifically with RTSP on 802.11b. OpenWRT creates a local Wi-Fi network without global internet connection. Expected behavior: OpenWRT creates a local Wi-Fi network with RTSP video and audio streaming capabilities on 802.11b.

Administer Linux Servers with PowerShell: Read, User, User Groups, Assign User

In this tech support article, we will show you how to use PowerShell to read, manage, and assign user groups on Linux servers. This guide will be helpful if you are working on a PowerShell script to automatically create users and want to extract groups or unassign them.

Reallocation Data Using Symlinks: A Tech Support Guide

Learn how to use symbolic links, or symlinks, for efficient data reallocation. This guide covers symlink basics, how to create a symlink using mklink/D, and the benefits of using symlinks. Improve your data management skills today.

Listen Module: Native Protocol TCP/MPD PulseAudio TCP Stream to Two Output Devices with Independent Volume Control

Learn how to use the Listen module with TCP/MPD and PulseAudio to stream audio to two output devices with independent volume control. This tech support guide provides a step-by-step process for setting up this powerful audio solution on your Linux system.

Upscaling Video Resolution on QEMU/KVM Virtual Machines for Better Display on Limited Resources

Learn how to upscale video resolution on QEMU/KVM virtual machines to improve display quality even on limited resources. This guide provides step-by-step instructions to optimize your virtual machine setup for a 4K screen.