Articles about linux | UserComp.com

TCP Server Not Sending ACK Response for PSH, ACK Packets in C++ Linux

While implementing a TCP server socket in C++ on a Linux machine, connected to another device for high-rate data streaming (800Hz), we encountered an issue where the server was not sending ACK responses for PSH and ACK packets. In this article, we will discuss the possible causes and solutions for this issue.

Volts and Milliamps: Troubleshooting Laptop Issues with IJKKJIM TL1561

Learn how to diagnose and resolve issues related to volts and milliamps in your laptop, specifically with the IJKKJIM TL1561 component. Follow our tech support guide.

Bulk Renaming Files with Regex: Greek Capital Letters Replacement

Learn how to replace Greek capital letters in bulk using Bulk Rename Utility and regular expressions.

Error: Employee File Not Uploaded

This article explains an error message encountered during the employee file upload process. The error message reads 'Nofile uploaded file empty.' This article provides troubleshooting steps for resolving the issue.

Sharing btrfs home across Arch-based systems with LVM on LUKS setup

Learn how to share a btrfs home partition across multiple Arch-based systems using LVM on LUKS setup.

Root Folder: LS Command Gets Stuck

A user reports that the 'ls' command gets stuck when run from the root folder. However, it runs correctly for common users and their parent folders. Learn how to resolve this issue.

Systemd Service Not Loaded: Troubleshooting Debian 8 Yocto

This article discusses a common issue with Systemd services not loading on Debian 8 Yocto machines. The article covers checking the status of the app.service and the symlink in /etc/systemd/system/multi-user.target.wants. It also provides potential solutions to resolve the issue.

CPU Doesn't Take Command: Max CPU Usage Stuck at 1.6GHz

Users report their CPUs are unable to reach max usage despite attempts to increase it. This issue can occur on various operating systems, including Linux, Windows, and MacOS. In this article, we will discuss possible causes and solutions for this problem.

Linux Breaking NTFS Filesystems on Kubuntu 22.04 with Kernel 6.5.0-28

Users of Kubuntu 22.04 with kernel 6.5.0-28 have reported system stuttering issues since an unassisted update. Initially, they suspected RAM problems, but it appears the NTFS filesystem is being affected.

Removing the Icon Taskbar in Desktop Panels: A Guide

Learn how to remove the icon taskbar in desktop panels for various Linux distributions. This guide covers GNOME, KDE, and XFCE desktops.

Setting up FIREWALL with DIPSEC (StrongSwan) for Site-to-Site Connection: Making PING work on Debian 12

This article explains how to set up a FIREWALL with DIPSEC using StrongSwan for a site-to-site connection between three nodes: edgerouter#1 (10.41.1.0/24), edgerouter#2 (10.48.2.0/24), and a VMS Debian 12 server. We will configure firewalld and make PING work between the nodes.

Does a Bad Block on One Partition Affect Other Partitions?

A user reports experiencing issues with their Linux laptop after creating a new 10GB partition on a 1TB external SSD. The partitions are formatted with ext4 file system. The user wonders if a bad block on one partition could affect the other partitions.

Switching to Linux: Troubleshooting Dual Boot Issues and Removing Windows

Learn how to troubleshoot Linux dual boot issues and remove Windows to ensure a smooth Linux installation. Follow this step-by-step guide for a successful switch.

Building and Running C++ Code in WSL2 (Linux Debian) with Mingw - Not Always the Last One Running

Learn how to build and run C++ code in the Windows Subsystem for Linux (WSL2) using Mingw. This guide covers the setup process and troubleshooting common issues.

Mingw Linux Doesn't Always Build Executable (Windows)

Learn how to resolve the issue where Mingw Linux fails to build an executable on Windows using x86_64-w64-mingw32-g++ in a Makefile.

Installing MariaDB Hangs: Ensuring Completion on Ubuntu MATE 20.04

Experiencing installation issues with MariaDB on Ubuntu MATE 20.04? Learn how to troubleshoot and complete the installation process.

Setting up IPSEC (StrongSwan) Site-to-Site for PING to Work between Debian 12, Edgerouter #1, and Edgerouter #2

Learn how to set up IPSEC (StrongSwan) Site-to-Site for PING to work between a Debian 12 system and two Edgerouter devices (10.41.1.0/24 and 10.48.2.0/24).

Systemd Service Not Loaded in Yocto: A Solution for Debian Machines

In this tech support article, we will discuss a common issue with Systemd services not being loaded in Yocto for Debian machines. We'll explore a solution that involves symlinking the service file to the multi-user.target.wants directory.

Upgrading an Intel PC: Ryzen 5600 CPU Compatibility with Asus Prime H510 Motherboard

Learn about the compatibility of AMD Ryzen 5600 CPU with Asus Prime H510 motherboard for a Linux-based PC upgrade.

Using xinitrc to Execute Bash Commands: A Language Switch Example

In this tech support article, we'll walk you through the process of using xinitrc to execute Bash commands for a language switch example. Specifically, we'll demonstrate how to use setxkbmap to switch keyboard layouts and toggle option groups every time a log-in command is executed.

Setting up IPSEC (StrongSwan) Site-to-Site on Debian 12: Making PING Work

Learn how to set up IPSEC Site-to-Site connections using StrongSwan on Debian 12 and make PING work between nodes.

Connecting Internet via Cellphone on Debian 12

Learn how to set up an Internet connection using a cellphone on Debian 12. This step-by-step guide covers essential tools and configurations for seamless connectivity.

Incorrect Battery Status Wake Issue on ThinkPad X1 Extreme Gen2 with Dual Boot System (Linux and Windows 11)

Users of the ThinkPad X1 Extreme Gen2 with a dual boot system (OpenSUSE Tumbleweed/Slowroll and Windows 11) have reported an issue with the incorrect battery status wake since around February. Although Windows functions perfectly, the Linux side experiences problems.

Resizing File Systems with Many Block Group Descriptors for Linux Ableton Push 3 Standalone

Learn how to resize file systems with many block group descriptors for Linux Ableton Push 3 Standalone. This guide covers cloning larger drives with up to 35 partitions.

Installing K3s, Cilium, and Alpine 3.20 on a Virtual Machine

Learn how to install K3s, Cilium, and Alpine 3.20 on a virtual machine. Follow the steps below to set up your environment.

Connecting Daisy-Chained Screens to Two Different Computers via KVM Switch

Learn how to connect daisy-chained screens to two different computers using a KVM switch in this tech support article. Set up your WFH workspace efficiently.

Streaming USB Camera Motion to Another Computer: A Linux Guide

Learn how to stream USB camera motion to another computer using Linux. This guide covers disabling localhost streaming and setting up remote access.

Postfix, Node.js, and SMTP: Receiving Emails with a Custom Domain

Learn how to set up Postfix Smtp server to receive emails using Node.js and a custom domain.

Transfering Files to Remote Hosts Using Parallel SSH with GnuParallel

Learn how to transfer files to multiple remote hosts using Parallel SSH with GnuParallel. This article covers installing GnuParallel, writing scripts for polling a large number of remote hosts, and running get commands in parallel.

Test Score Calculation: Determining Percentage with Correct Answers

Learn how to calculate test scores by dividing the number of correct answers by the total number of questions. This simple method helps determine the percentage of questions answered correctly.

Unrecognized NTFS Partition: Installing Windows Alongside Linux

Learn how to install Windows alongside Linux on an NTFS partition without encountering the 'unrecognized type' error. Follow this step-by-step guide.

Resolving PPAs Repository Errors with WSL2 Ubuntu 24.04

Experiencing errors while adding PPAs in Ubuntu 24.04 using WSL2? Learn how to resolve these issues and successfully import repositories.

Arch Linux: AMD GPU Single GPU Pass-Through Results in Black Screen after VM Stop

The user was able to set up Windows 11 VM with AMD GPU pass-through on Arch Linux, but when stopping the VM, the screen remains black. Here's a suggested script to troubleshoot the issue.

Connecting Two Linux Computers Behind NAT Using E2C: A Step-by-Step Guide

Learn how to connect two Linux computers behind NAT using Amazon Elastic Load Balancer (E2C) as a jumphost. Follow this step-by-step guide to set up REST APIs on both boxes and establish a secure connection.

Resolving Video Stutters when Watching Movies on Windows and Linux with a Powerful Router

Learn how to resolve video stutters when watching movies on Windows and Linux systems connected to a powerful router. This article provides solutions for both operating systems.

Adding an Epson Network Printer to CUPS on WSL2

Learn how to add an Epson network printer to CUPS on WSL2, including required drivers, printer URI, and given printer backend.

New ThinkBook Laptop: Wi-Fi Disconnects Randomly and Never Comes Back Unless System is Restarted (Fedora 40)

Recently purchased a new ThinkBook 16G6 laptop with a NovoProcessor. The Wi-Fi randomly disconnects and never comes back unless the system is restarted. Learn how to troubleshoot and fix this issue on Fedora 40.

Getting Disks Space Back After Uninstalling Ubuntu 24.04 WSL2 on Windows 10

Learn how to recover disk space after uninstalling Ubuntu 24.04 WSL2 on Windows 10. This guide covers the necessary steps to reclaim your disk space.

Unresponsive Domain Names: Freezing SSH Connection using SOCKS proxy

Experiencing an unresponsive DNS name causing your SSH connection to freeze when using a SOCKS proxy? This article offers potential solutions.

CUPS Printing Unauthorized Error on Debian 12

Encountered an 'Unauthorized' error while attempting to print on a Debian 12 machine with a Brother driverless printer. CUPS print test was successful. Troubleshooting OpenSUSE CUPS issue.

Troubleshooting Ansible Backup Script for Incremental Windows Server to Linux Server via SCP

This article provides a solution to common issues encountered while setting up an incremental backup script using Ansible for transferring files between a Windows Server and a Linux Server via SCP.

Understanding CPU Memory Stats: A Tech Support Guide

Learn how to interpret CPU memory stats in this tech support article. Understand the importance of monitoring memory usage and identifying issues. Keywords: CPU, memory, stats, tech support.

Program Bypasses File Security Settings: A Tech Support Guide

Learn how to bypass file security settings for specific programs on various operating systems, including Linux, Windows, and MacOS. This tech support guide covers common methods for editing the hosts file to allow read access.

Tarextract Fails with Zip Repos Submodules: A Solution

This article provides a solution to the issue of Tarextract failing when extracting Zip repositories with submodules. Learn how to extract these repositories successfully.

Merging MP3 Files: Stopped Around Ubuntu/Kubuntu 20.04 with Sed and FFmpeg

This article explains how to merge MP3 files on Ubuntu/Kubuntu 20.04 using Sed and FFmpeg. The command used got stopped due to protocol whitelist file and pipe-fconcat issues. We'll resolve these issues and complete the merging process.

Postfix: Deleting Old Emails on a VPS with Ubuntu and POP

Learn how to configure Postfix on a Ubuntu VPS to delete old emails using POP. This tutorial covers Postfix, Dovecot, and SpamAssassin.

Accessing Blocked Device: File Regular File Defined Size on Linux

Learn how to resolve issues with accessing regular files of defined size on a blocked device in Linux. This article covers steps to copy the entire hard drive, including partition table and boot sector, to diagnose and fix the problem.

Accessing Blocked Device: File Transfer from External Hard Drive over Internet

Learn how to access and transfer files from a blocked external hard drive over the internet, including partition table and boot sector. Follow these steps to copy the entire hard drive.

Fixing Delay in AutoSys Job Restart

This article explains how to fix a delay issue when retrying to run an AutoSys command job. The issue may occur when the job fails and the retry is set to wait for 10 minutes before attempting to run again. We will provide a solution to manually override the retry delay.

Pull Data: New List (Separated by Commas)

Learn how to pull a new list, separated by commas, in various operating systems and office applications.

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