Articles in Linux | UserComp.com

WSL2: Unable to Reach Single Host without DNS Suffix

This article provides a solution to the issue where WSL2 is unable to reach a single host without a DNS suffix. The problem occurs when pinging a host without specifying the DNS suffix, resulting in connection failures. We'll explore the cause and offer a workaround.

Unexpected Checksum File Alterations in Ubuntu PDF Service

While developing a small web service on Ubuntu using Apache2 and PHP, an unexpected issue arose when uploading and converting PDF files to PDF/A-2b using the pdftk tool. The checksum files for the uploaded PDFs were altering without any obvious reason.

MobaXterm: Cloning Sessions with Identical Settings

Learn how to clone a session in MobaXterm with identical settings, similar to SecureCRT's instance. Simply right-click the current session and choose 'Clone' to create a new session.

Delete Windows Files in Linux Mint Live USB Boot

Learn how to delete files or folders in the Windows partition while booting from a Linux Mint Live USB.

Error connecting to dbus in Docker using Puppeteer on Linux

When running Puppeteer in a Docker container on Linux, an error 'Failed to connect to dbus' may occur. This article explains the cause and suggests a workaround.

Unable to Install Seafile Server Dependencies on Raspberry Pi

This article provides a solution for users experiencing issues installing Seafile server dependencies on their Raspberry Pi.

Setting up a Hidden VPN Server using Reverse SSH Tunnel with Tom's ERISK

Learn how to set up a hidden VPN server using Tom's ERISK and reverse SSH tunnel. Forward port 80 and enable SSH tunneling to secure your online presence.

Troubleshooting RemoteHost Disconnected Errors with SSHFS Cronjob in OpenBSD

Learn how to diagnose and resolve errors when automounting directories using SSHFS in OpenBSD through cron jobs, including the 'RemoteHost disconnected' error.

Searching Specific Columns: Replacing Special Characters in Large Text Files

Learn how to search for specific columns and replace special characters in large text files using various command-line tools. This article covers the basics of handling large files and provides examples for different operating systems.

Troubleshooting Syslog Authentication: Sources Sending Truncated Logs

This article provides an explanation and potential solutions for the issue of truncated logs when sending syslog messages to an authentication platform.

Decimal to Hexadecimal Conversion for Big Array Data

Learn how to convert large decimal arrays to hexadecimal format using online converters or programming languages. This article explains the process for converting 250 decimal values.

Automating Remote Server Upgrade and Reboot with GitHub Actions Workflow

Learn how to create a GitHub Actions workflow to automate remote server upgrades and reboots. Manually trigger the workflow, set necessary applications, and streamline your deployment process.

Clevo PD70SND-G Running Debian 12: No External Video

This article provides a solution for users experiencing no external video output on their Clevo PD70SND-G laptop running Debian 12.

Setting up a Ubuntu Server on Hyper-V with Hestia CP for Windows Hosts

Learn how to install and configure a Ubuntu Server on Hyper-V using Hestia CP as the control panel for your Windows host. Follow this step-by-step guide for a seamless setup.

FFMPEG: Creating a Green-Blue Scale Output like Grayscale

Learn how to create a green-blue scale output using FFMPEG, similar to a grayscale output.

Setting up a Hyper-V Ubuntu Server with Hestia CP on Windows 10

Learn how to install and configure a Hyper-V Ubuntu Server with Hestia Control Panel on a Windows 10 host. Follow this guide to set up your development environment with a hassle-free experience.

Handling Excessive Log Transition in New Kibana Server (Ubuntu)

This article provides a solution for handling excessive log transition issues encountered after upgrading an old Elasticsearch and Kibana server to the latest version on Ubuntu. Take advantage of the latest features and improvements.

Extracting Parts of International Conference Videos: English Spoken Language using Command Line

This article explains how to extract English parts from international conference videos containing mixed sentences in English and Chinese using command line tools.

Root Screen Logins in Ubuntu 22.04 LTS: Virtual Machine Setup

Learn how to perform root screen logins in Ubuntu 22.04 LTS while setting up a virtual machine. Discover the necessary steps and the use of various desktops and terminal commands.

Setting Up a Newly Created User Account using personal bashrc on Debian 12

Learn how to create a new user account and configure their personal bashrc file on a Debian 12 system.

NVM Shows Twice in Debian (ProxMox) - Tech Support

A user running Debian (ProxMox) encountered an issue where NVM appears twice during CLI operations. This article provides potential solutions to resolve the confusion.

Switching from Legacy BIOS to UEFI boot mode in Fedora 39

Learn how to switch your Fedora 39 system from Legacy BIOS to UEFI boot mode without reinstalling the entire system.

VPN Connection: Routing Tables Unchanged on Linux

Learn about VPN connections and unchanged routing tables on Linux systems. This article explains the underlying mechanisms and tools to check the issue.

Troubleshooting SIGINT in Bash Scripts: When kill doesn't work

Learn how to handle SIGINT signals in Bash scripts and why the 'kill' command might not be effective in stopping a script.

Resolving Reboot Loop During Ubuntu Installation on Asus ProArt X670E-Creator Wifi

Encountered a reboot loop issue while installing Ubuntu on an Asus ProArt X670E-Creator Wifi system. Learn how to resolve this issue by repairing GRUB.

Strange Get Request: Understanding the 'rm -rf' Command in a GET Request

Recently, we encountered a strange GET request containing the 'rm -rf' command. In this article, we will explain what this command does and how it can be used maliciously in a GET request.

How to Use Localxpose SSH on Raspberry Pi 4: A Tech Support Guide

Learn how to use Localxpose SSH on your Raspberry Pi 4 with our step-by-step tech support guide. Already have a Localxpose account? Follow these instructions to ensure your keys are configured properly for remote access. Read more for a comprehensive guide to using Localxpose SSH on your Raspberry Pi 4.

Configuring Postfix Mail Server for Multiple Domains: SPF, DKIM, and DMARC

In this article, we will guide you through the process of configuring Postfix mail server to support multiple domains using SPF, DKIM, and DMARC. We will also cover the importance of setting up reverse DNS for each domain.

Installing OpenJDK 11 instead of JDK 1.8 for a Java Application on Windows

Learn how to uninstall JDK 1.8 and install OpenJDK 11 on Windows for your Java application.

Ubuntu 22.04.3 WiFi Issue: Dual Boot with Windows 10

Experiencing WiFi connection issues with Ubuntu 22.04.3 in a dual boot setup with Windows 10? Learn how to troubleshoot and resolve this problem.

Speedy Btrfs Check: Init Extent Tree After Unintended Read-Write Mounts

Learn how to initiate the Btrfs extent tree check to resolve issues caused by unintended read-write mounts.

Understanding the Difference: Avahi Linux vs. Avahi on Windows

Learn about the differences between using Avahi on Linux and Avahi on Windows for running network services such as home-assistant, emqx, node-red, and MotionEye.

Setting Up a Forward Proxy with OpenVPN for Censored Internet Access

Learn how to set up a forward proxy using OpenVPN to bypass internet censorship and access blocked content. This tutorial covers the configuration process for Linux systems.

Removing Zombie Processes Created using 'kill -9' in Tech Support

Encountered a situation where a file appeared to be closed but seemed to still be in use by a nanoprocess ID. Used 'ps' command to identify the process, then tried to terminate it using 'kill -9'. However, the file remained in an edited state. Learn how to properly handle zombie processes.

Wireguard Obfuscation with Shadowsocks: A Solution for Blocked Connections

Learn how to use Shadowsocks to obfuscate Wireguard traffic and bypass ISP blocks on foreign servers.

OPNSense Site-to-Site VPN Not Working Properly: Troubleshooting Steps

Learn how to troubleshoot OPNSense Site-to-Site VPN issues following the steps below. This article assumes you've followed the official guide with certificate usage.

Migrating Arch Linux to a New Machine: Installing listpacman AUR packages and mounted drives

Learn how to migrate Arch Linux to a new machine by installing listpacman AUR packages and setting up mounted drives.

Using Serial Attached GPS Device with Pure Maps on Raspberry Pi

A user is running a 64-bit distro on Raspberry Pi and wants to use Pure Maps for navigation. However, Pure Maps is not detecting directions with a serial attached GPS device. The issue seems to be related to C++ files.

Migrating Arch Linux Installation to a New Machine: Listing Pacman AUR Installed Packages and Mounted Drives

Learn how to migrate an Arch Linux installation to a new machine by listing Pacman AUR installed packages and mounted drives.

External USB SSD Disk Fails to Mount at Boot on Ubuntu Server 22.04.3

This article explains how to troubleshoot and resolve issues with external USB SSD disks that fail to mount at boot on an Ubuntu Server 22.04.3.

K3s Kubernetes Cluster with MetalLB: Cellphones Lose Connection

This article discusses an issue where cellphones lose connection when using a K3s Kubernetes cluster with MetalLB. The MetalLB IP range is assigned to services, and accessing these IPs through keepalived is described. Understand the root cause and possible solutions.

Git: 'Permission Denied' Error When Pushing Files via Windows CMD

This article explains how to resolve the 'Permission Denied' error when pushing files to a Git repository using Git Bash or Git for Windows in Command Prompt (CMD).

Troubleshooting OpenSolaris ARM (osarm) Build

This article provides solutions to common issues encountered during the build process of OpenSolaris ARM (osarm). If you're having trouble building OpenSolaris ARM from sources obtained from OpenNevada (b86) on GitHub, read on for potential workarounds.

Troubleshooting OpenSolaris ARM (OSARM) Build Process

Encountered issues while building OpenSolaris ARM (OSARM) from OpenNevada sources. Unable to find called closed binaries...

Unable to Connect Ubuntu 20.04 VM to Windows: SSH Connection Timeout

This article provides a solution for users experiencing SSH connection timeouts when trying to connect an Ubuntu 20.04 VM to a Windows host. The article covers port forwarding configurations and troubleshooting steps.

Unable to Connect Ubuntu 20.04 to Windows: SSH Connection Timeout

This article provides a solution for the issue of an SSH timeout error when trying to connect from Ubuntu 20.04 to a Windows machine. The steps involve checking the firewall settings and configuring port forwarding.

Accessing a File in Two Different WSL2 Installations on Windows

Learn how to access and modify a file in two different WSL2 installations on Windows. Initially, you might think setting up a Samba share could be the solution, but discover an alternative method.

Understanding Black (Dark Grey) Font Files in Debian Linux

Struggling to find information about black font files in Debian Linux? This article explains what they are and how to manage them.

Using VLC to Send Desktop Stream with rtpNVR

Learn how to use VLC media player to send a desktop stream using rtpNVR.

Troubleshooting Start-X Lists Commands: Traceback Application Issuing Command

This article discusses how to resolve issues with the Start-X lists commands in Linux, specifically when a traceback application is issuing a command. The article provides instructions on interpreting the error message and suggests steps to restart the system and check the running processes.