Articles in Linux | UserComp.com

Setting up an X11 SSH Tunnel for Remote Desktop Access to a VM

Learn how to connect to a remote desktop session on a VM using PuTTY and X11 forwarding. This tutorial covers setting up an SSH tunnel with PuTTY and accessing the remote desktop through RDP on a Windows machine.

SSH Connection Issue: Local VM Connects Instead of Target VM in VirtualBox

Experiencing an odd SSH connection issue where a local VM is inadvertently connecting instead of the intended target VM in VirtualBox? This article offers potential solutions.

Get Wi-Fi Working on Linux MacBook Pro 14,3 with Broadcom BCM43602 [14e4:43ba] Network Controller?

Having trouble connecting to a wireless network on your Linux-based MacBook Pro 14,3 with Broadcom BCM43602 [14e4:43ba] network controller? This article outlines steps to resolve the issue, focusing on the use of the brcmfmac wireless interface.

Speed Processing Time of Video Files with FFmpeg: A Comprehensive Guide

Learn how to optimize the speed processing time of large video files using FFmpeg's batch remuxing capabilities. With this guide, reduce video conversion time for files up to 10 hours in length with ease. Read more to discover how to improve your workflow today.

SSH Shows Incorrect Hostname When Connecting Another Ubuntu VM in VirtualBox

Users encounter an issue where SSH connections between two Ubuntu VMs in VirtualBox display incorrect hostnames. This article provides suggested solutions to resolve the problem.

Fixing WiFi Issues on MacBook Pro 14,3 with Linux: Getting Broadcom BCM43602 [14e4:43ba] Network Controller Working

Having trouble connecting to a wireless network with your MacBook Pro 14,3 while using Linux? This article provides a solution for getting the Broadcom BCM43602 [14e4:43ba] Network Controller working, following a step-by-step guide to help you get back online. Don't miss out - read more to fix your tech support issues.

Extract Video Segment Timestamps with FFmpeg: Command and Options

Learn how to extract video segment timestamps using FFmpeg command with ss option. This article provides the required command structure and suggested tags for SEO optimization.

FFmpeg: Honoring Outpoint Timestamps with Concat Demuxer and Preserving Input Codec Parameters

This article explains how to use FFmpeg's concat demuxer to concatenate video files while honoring outpoint timestamps and preserving input codec parameters, such as bitrate and time_base.

PowerSuspend: VM Failed to Start or Interrupted in Oracle VirtualBox on Windows 11

This article discusses a common issue where a Virtual Machine (VM) running Ubuntu on Oracle VirtualBox fails to start or gets interrupted while using Windows 11. Learn how to resolve this problem by trying various solutions, including powering off the VM momentarily, force reinstalling Ubuntu, and checking system requirements.

Troubleshooting DNS Servers Not Getting Client-Initiated Queries

Learn how to resolve issues with DNS servers not receiving client-initiated queries, including checking router configurations and port forwarding settings. Read more for a comprehensive guide on this tech support topic.

Changing Default Options for proc mount in Ubuntu Linux

This article provides a guide on how to change the default options for proc mount in Ubuntu Linux, specifically for a virtual private server hosted on the cloud running Ubuntu 22.04. Currently, the system uses the hidepid=2 option, but instructions are given to modify this setting. Make your Ubuntu Linux system work the way you want it to with this helpful tech support article.

Unable to sync HWclock with system clock on Linux 6.1 Yocto 4.2 (Mickelore)

This article explains how to sync the HWclock with the system clock on a Linux 6.1 Yocto 4.2 (Mickelore) system. The `sudo hwclock -w --verbose` command fails to synchronize the clocks. We will discuss alternative methods to resolve this issue.

Network Bridge br0 Problem: Hypervisor KVM VM Accesses Internet but Host Can't Access Other Computers

Learn how to troubleshoot a network bridge br0 issue in a KVM hypervisor setup where the virtual machine can access the internet, but the host cannot access other computers. Tips and possible solutions for resolving this problem are provided.

Delays in Audio Sync Playback with FFmpeg: A Solution for MKV Files with HEVC Video, AAC Audio, and MJPEG Subtitles

Learn how to use FFmpeg to delay audio sync playback in MKV files with HEVC video, AAC audio, and MJPEG subtitles. This solution is useful for fixing issues with subtitle timing and audio desynchronization.

How to Write the Last 4 Bytes of a Disk via CLI: A Tech Support Guide

In this tech support article, we'll guide you through the process of writing the last 4 bytes of a disk via the command line interface (CLI) using tools like `dd`. Be warned, this process can delete or change data on your disk, so proceed with caution and make sure to back up any important data before proceeding. Read more to learn how to use `blkid` and other CLI tools to write to the end of a disk.

How to Stop PipeWire Switching HDMI Audio

Experiencing issues with PipeWire constantly switching your HDMI audio profile? Learn how to stop this behavior and optimize your audio settings for a smoother experience. Read more for a detailed guide.

Windows 11 Displays Different Ethernet MAC Address: How to Identify the Correct Interface?

Having trouble identifying the correct Ethernet interface in Windows 11 due to different MAC addresses? Learn how to easily identify the right interface and ensure seamless network connectivity.

Bash Completion: Setting Default Word for First Tab in Terminal Line

In this tech support article, we will guide you through the process of setting the default word for the first tab in the terminal line when using Bash completion. This can be particularly useful when working with containers or custom commands in tools like Nextcloud.

How to Copy Attached Cover Image (cover.jpg) to a Video File for Encoding with FFmpeg?

Learn how to extract and copy an attached cover image (cover.jpg) to a video file for encoding with FFmpeg. This SEO-optimized guide provides a step-by-step tutorial for video enthusiasts and professionals alike. Read more to discover how to maintain the quality of your encoded videos while preserving their original cover art.

Preventing Nginx from Modifying HTTP Headers during Reverse Proxy

In this article, we discuss how to prevent Nginx from modifying HTTP headers during reverse proxy configurations. By default, Nginx may add or modify certain headers, which can cause issues with downstream services. We'll cover how to disable these unwanted header modifications.

Fixing VirtualBox Ubuntu 24.04 Host System: Failed to Change Display Parameter

Having trouble changing display parameters on VirtualBox with Ubuntu 24.04 host system? Learn about the possible solution and how to fix this issue in this tech support article. Keywords: VirtualBox, Ubuntu 24.04, Host System, Failed to Change Display Parameter, Tech Support.

Syntax Error Near 'GENERATED' - Troubleshooting Common Tech Support Issues

Encountered a syntax error near 'GENERATED'? Learn about common causes, troubleshooting steps, and solutions for this error in tech support. Maximize SEO with strategic keyword usage in the abstract.

Solving VirtualBox Ubuntu 24.04 Host System Installation Error with Version 7.1.2r164945 (Qt6.4.2)

Having trouble installing a VirtualBox virtual machine running Ubuntu 24.10 on your Ubuntu 24.04 host system and receiving an error message? Learn how to troubleshoot and solve the issue with VirtualBox version 7.1.2r164945 (Qt6.4.2).

Use Home and End Keys with the `less` Command in Linux

Having trouble using the Home and End keys with the `less` command in Linux? Learn how to easily navigate through files using these keys in this tech support article. Optimized for SEO using relevant keywords. Read more to find out how.

Creating a Remote Access VPN: Forwarding Packets with TUN and ENP Interfaces

Learn how to create a remote access VPN and forward packets using TUN and ENP interfaces. This article provides a step-by-step guide for setting up a proof-of-concept server-side functionality.

Using FFmpeg Batch Files to Compress Files for Space-Saving

If you're running out of space on your hard drive, FFmpeg batch files can help you compress files and save space. In this article, we'll show you how to create a batch file to compress multiple files or exclude certain files and folders from compression.

Automatically Play Music with ROS2 on Ubuntu 22.04.5

Learn how to create a ROS2 node that plays music automatically on Ubuntu 22.04.5. This C++ project notifies the status of the robot speaker.

iMac (2017) Doesn't Dual-Boot (macOS/Linux Mint): Deleted Linux Mint Partition?

Learn how to troubleshoot iMac (2017) that doesn't dual-boot after deleting the Linux Mint partition using Disk Utility.

Solving Linux Issues: Guessing FFmpeg Equivalents, Accepting Video Input, Merging Graphics, and Outputting Specific Monitor

Learn how to solve common Linux media issues using FFmpeg and its equivalents. This article covers accepting video input, merging graphic images, and outputting videos for specific monitors.

Setting store SSL cert/private key file permissions for a Node.js REST API

In this tech support article, we will discuss the recommended file permissions for storing SSL certificates and private keys when using the `readFileSync()` method in a Node.js REST API with an open HTTPS server. Follow these steps to ensure the security of your server.

Access Command History of a Specific Byobu Pane in Zsh

Learn how to access the command history of a specific Byobu pane when using the Zsh shell. With Byobu, a popular terminal multiplexer based on tmux, you can manage and organize your terminal sessions efficiently. This article provides a step-by-step guide to viewing the command history of an individual pane for improved productivity and convenience.

Fixing DNS Issues When Moving Headless Ubuntu 22.04.5 LTS Server to a New Network

When moving a headless Ubuntu 22.04.5 LTS server to a new network, you may encounter issues connecting to the internet due to DNS. This article provides a solution to the problem, helping you get your server back online.

VirtualBox: AVX-516 Processor Not Passed to Guest System on Ubuntu 24.04 and 24.10

Learn how to resolve the issue of VirtualBox not passing AVX-512 processor support to the guest system when using Ubuntu 24.04 and 24.10 as host and guest operating systems.

Ping Works: Setting Up Ubuntu 24.04 VXLAN Overlay Network for Two Hosts

This article provides a simple setup guide for connecting two hosts (H1 and H2) using a VXLAN overlay network. The setup is achieved by running specific commands on hosts running Ubuntu 24.04. Learn how to configure your network for seamless communication between hosts.

VSCode vs Integrated Terminal: Connecting to Azure ML Compute Instances via SSH

Learn how to connect to Azure ML Compute Instances using SSH in VSCode Integrated Terminal instead of the painful process of manual configuration.

Shared Conda Environments Not Working: A Troubleshooting Guide

If you're part of a small team sharing Conda installations and environments, you might run into issues where shared Conda environments have stopped working. In this article, we'll go over some common causes and solutions to get your Shared Conda environments up and running again.

Change GNUS Screen Caption Colors Based on Window Activity for SSH Sessions on Production Machine

Learn how to change GNUS screen caption colors based on window activity for SSH sessions on a production machine, making it easier to distinguish between active and inactive windows. This can increase productivity and reduce errors.

Persistent Synchronization Issues with ISM Manifests using Index Encoding in FFmpeg: A Technical Support Guide

In this article, we will tackle the persistent synchronization issues encountered during the creation of ISM manifests using index encoding in FFmpeg. We will discuss common causes, troubleshooting steps, and potential solutions to help users overcome these challenges. If you're constantly facing these problems and have tried segmenting video at various resolutions, this guide is for you. Keywords: FFmpeg, ISM Manifests, Synchronization Issues, Video Segmentation, Technical Support.

Creating a Ubuntu Machine on ESXi 6.5 with VirtualBox

Learn how to create a Ubuntu machine on ESXi 6.5 using VirtualBox. Installation steps are provided.

SSH Connection Issues with Orange Pi 5 Pro Running Resource-Intensive Program

Having trouble connecting to your Orange Pi 5 Pro server running Ubuntu 22 and a resource-intensive program? Learn about common SSH connection issues and how to troubleshoot them in this tech support article. Read more to find out how to resolve SSH broken pipe errors and maintain a stable connection.

Installing GRUB for a New Custom-Created Linux OS (Yocto) on Partitioned sda

Learn how to install GRUB for a new custom-created Linux OS made using Yocto on a partitioned sda drive. Follow our step-by-step guide to get started and ensure a successful bootable installation. Read more for in-depth tech support.

Setting Stack Sizes for Specific Processes in Linux: A Step-by-Step Guide

In this article, we will discuss how to set stack sizes for specific processes in Linux using the ulimit command. We will provide a step-by-step guide to help you understand the process and configure it effectively.

Scripted Native: Unlocking Encrypted ZFS Root with a Password at Boot

This article explains how to unlock an encrypted ZFS root using a script during the boot process. Follow the instructions carefully to secure your system.

CSF Blocks FTP Downloads from Remote Servers in AlmaLinux 9/CentOS 7 Migration

Experiencing issues with FTP downloads from remote servers during AlmaLinux 9 or CentOS 7 migration? Learn how the Config Server Firewall (CSF) may be causing the problem and how to resolve it. This SEO-optimized article provides a solution for tech support professionals and enthusiasts encountering this issue.

Setting Up Mail Server Forwarding on Router for NAS