Articles in Linux | UserComp.com

GNOME Files: 'Networks' Cached Printing Station Location Missing in Ubuntu 18.04

If the location of a Brother printing station has vanished from the 'Networks' cached list in GNOME Files on Ubuntu 18.04, there seems to be no sensible way to recover it. This issue can be frustrating, especially when trying to access the printing station quickly.

Ubuntu Install Freezes Up on Boot: Troubleshooting Guide

Having trouble with a frozen Ubuntu installation during boot? Learn how to diagnose and fix the issue with our comprehensive troubleshooting guide. Improve your technical skills and resolve the Ubuntu boot freeze quickly.

Troubleshooting 'grep: /var/log/syslog: binary file matches' warning

Learn how to handle the 'binary file matches' warning when using grep on a log file such as /var/log/syslog. This article provides a solution for the issue and tips for further troubleshooting.

Experimental Software Installation: Man Page Equivalent $PATH (with Extra Bin Directories) Guide

Learn how to experimentally install new software without going the extra mile putting assets in the right places like /usr/local/man. Get man page support for your software with extra bin directories.

Convert Audio to RTP with FFmpeg for aDB RX90/91

Learn how to convert an audio file to RTP format using FFmpeg for the aDB RX90/91. Follow the steps and optimize your audio conversion process.

Disabling SIGFPE Exceptions in Assembly: Dividing by 0x86

This article provides guidance on catching and disabling SIGFPE exceptions when dividing by 0x86 in assembly code, and discusses the use of direct syscalls in x86. A reproduction example is included.

Hostapd: A Potential Threat to Your Ethernet Connection

Hostapd is a popular tool for creating access points on Linux systems. However, it can sometimes interfere with Ethernet connections. This article provides an overview of the issue and some potential solutions.

Troubleshooting Linux PCI Driver: Loaded but Unable to Access Device Tree Information

Having trouble accessing device tree information with a loaded Linux PCI driver? Learn about common drivers and how to troubleshoot this issue.

Block DHCP Ports on Two Routers for Wireless Bridge Connection

Learn how to block DHCP ports on two routers to establish a secure wireless bridge connection. Improve network security by following these steps.

How to Create a Virtual/Fake Bridged Interface on Debian for a VM in libvirt/kvm

This article explains how to create a virtual/fake bridged interface on Debian for a VM in libvirt/kvm. After installing a Debian server and creating a VM bridge, you'll need to add the VM bridge. Here's a step-by-step guide.

Connecting a Local Postgres DB to a Django-based Docker Project on Windows Machines

Having trouble connecting a local Postgres database to a Django-based Docker project on your Windows machine? Learn how to resolve this issue with our step-by-step guide.

How to Start WireGuard Client without Sudo Privileges on Debian 12 Bookworm

Learn how to start a WireGuard client without Sudo privileges on Debian 12 Bookworm. A simple way for users with no elevated rights to access the terminal...

ImageMagick - Rotate Option with Annotate to Rotate Text Relative to Image

Learn how to rotate text relative to an image in ImageMagick using the rotate and annotate options. A simple and effective way to manipulate images and text.

Troubleshooting Samba Paths Sharing on Ubuntu Host

Having issues with sharing paths via Samba on your Ubuntu host? This article will help you figure out whether it's a server or client misconfiguration and provide solutions.

Fixing Flipper Zero WiFi Dev Board TTY Ownership Issue

Having trouble with the Flipper Zero WiFi Dev Board and its TTY ownership? Learn how to fix the issue by following our simple steps. Upgrade your tech support skills now.

Unable to Open Port 51820 on Debian VPS: A Guide to Fixing the Issue

Having trouble opening port 51820 on your Debian VPS using IPTables? This article provides a step-by-step guide to help you fix the issue and get your services up and running.

Extract Domain Name from DNS Packet in a Network Format - Tech Support

Learn how to extract the domain name from a DNS packet in a network format using a netfilter kernel module. This tutorial focuses on parsing the QNAME field of the DNS packet following RFC 1035 standards.

Dnsmasq Reads /etc/hosts, Ignores addn-hosts Configuration - Tech Support Site

Having trouble with Dnsmasq ignoring your addn-hosts configuration on a Fedora 39 machine with NetworkManager plugin installed? Here's the solution.

Troubleshooting Docker Timeout Port 53 Issue After Switching ISP

Learn how to troubleshoot Docker timeout port 53 issue after switching to a new Internet Service Provider (ISP) on your Synology NAS. This guide provides steps to diagnose and resolve the problem.

Force socat to send packets from specified interface (socat so-bind-device NOT working)

Learn how to force socat to send TCP packets from a specific interface on a bare-metal x86-64 machine running a fresh install of Ubuntu 22. This article provides a solution for the socat so-bind-device option not working.

Best Approach for Creating and Copying EXT4 Partitions (No Restoration Needed)

Learn the best approach for creating and copying EXT4 partitions on your PC, which has two 2TB SSDs. One SSD has one NTFS partition for Windows, while the second SSD has several partitions, including 1TB NTFS for Windows and four partitions for Linux, two of which are big EXT4 partitions.

Troubleshooting Ubuntu Freeze-Up on Boot

If you haven't used Ubuntu for a few days and suddenly it freezes on boot, this article can help. Learn how to troubleshoot a Ubuntu system that gets stuck during boot-up.

Configure OpenVPN Client with Custom Routes

Learn how to set up custom routes in OpenVPN client when connecting to a server that you cannot change the configuration. This guide will help you understand how to use route-up, route-pre-down and ifconfig-remote scripts for successful connection.

Special Triple Boot Installation Guide for Archlinux, Windows 11, and Kali Linux on SSD

Learn how to perform a special triple boot installation of Archlinux, Windows 11, and Kali Linux on an SSD. Follow our step-by-step guide for a successful setup.

How to Read 16384 Bytes of Data using OpenSSL: A Tech Support Guide

In this article, we'll explore how to read 16384 bytes of data using the OpenSSL library, providing a solution for those struggling to implement a Simple TLSServer example. If you're facing issues figuring out how to work with OpenSSL, this guide is for you.

Can't access libnvidia-glcore.so.1 on HardenedBSD 14.1-STABLE-HBSD with Nvidia driver 390.154_1

Having trouble accessing libnvidia-glcore.so.1 on HardenedBSD 14.1-STABLE-HBSD with Nvidia driver 390.154_1. Learn more about the issue and potential solutions here.

Configure Trust List in RHEL 9: A Comprehensive Guide

Learn how to execute commands to perform security configurations, specifically focusing on configuring the trust list in a recently installed RHEL 9 system. This guide provides step-by-step instructions to ensure your system is secure and up-to-date.

TrueNAS Sends Name Server Request Every Second: What's Going On?

Experiencing high DNS traffic due to frequent name server requests from TrueNAS? Learn about the possible reasons and solutions. Read more on our tech support site.

DNSSEC Configuration on HosterPK Local Linux Environment for rizsolutions.com Subdomains

Learn how to configure DNSSEC for rizsolutions.com subdomains hosted on a local Linux environment from HosterPK. Secure your domains and enhance your online security with this step-by-step guide.

Direct OS Access Necessary Setting for MQTT Client Devices on IoT Greengrass

If you're a beginner experimenting with MQTT on IoT projects, you might be wondering if direct OS access is necessary for MQTT client devices on AWS IoT Greengrass. This article provides an answer and offers a solution for scanners and peripheral devices on the factory floor.

Laravel using MPDF Docker Container Can't Find Image URLs (Due to Docker)

In this article, we will discuss an issue encountered when using Laravel and MPDF in a Docker container, where MPDF can't find image URLs due to the Docker environment. This article will provide a solution to this problem, including an explanation of the cause and steps to resolve the exception.

Fixing 'Site Can't Be Reached - Refused Connect' Error for WordPress and Nextcloud Behind SWAG Reverse Proxy on Unraid Server

Learn how to fix the 'Site Can't Be Reached - Refused Connect' error when accessing WordPress and Nextcloud instances behind a SWAG reverse proxy on an Unraid server. Follow this step-by-step guide to resolve the issue and ensure smooth access to your applications.

Create an Exact Copy of Two Drives to a Single RAID1 Device on Ubuntu

Learn how to create an exact copy of two drives and merge them into a single bootable RAID1 device using Ubuntu. This method is useful for data redundancy and recovery in case of drive failures.

USB Not Showing in lsusb, USB Keyboard Not Working in GRUB; Keyboard Works in BIOS (Dell Vostro Notebook 5590 with Arch Linux Installed)

This article addresses USB issues in Arch Linux on a Dell Vostro Notebook 5590, specifically when the USB device is not showing in lsusb, and the USB keyboard is not working in GRUB, despite functioning in the BIOS. Suggested solutions are provided.

Easy Way to Import SSH Keys for GitHub on Ubuntu: A Tech Support Guide

Learn the easy way to import SSH keys for GitHub on Ubuntu and enhance your server installation experience. Say goodbye to the frustration of manual account setup. Read more to find out how.

How to Assign Sticky Window Names to Chrome Tabs in Ubuntu 22.04

Learn how to assign sticky window names to Chrome tabs in Ubuntu 22.04 and improve your multitasking productivity. Follow the simple steps to start organizing and distinguishing your Chrome tabs like a pro.

Encountered Problems Compiling Android 12 on Ubuntu 20: A Guide to Troubleshooting

If you've encountered problems compiling Android 12 source code on Ubuntu 20, this guide can help. Despite customizing the code for your company, if it's still based on AOSP, you might face certain issues. Here, we'll discuss common problems and solutions to assist you in the compilation process.

Script Lock: Automatically Creates Spreadsheets with Different Tabs Every Day for Medical Clinics

Streamline your medical clinic's workflow by using a script lock to automatically create spreadsheets with different tabs every day. This article will show you how to set up this automation, helping you save time and increase productivity.

GStreamer Model-Proc File Configuration for OpenVINO Human Pose Estimation-0007

This article introduces the GStreamer model-proc file configuration for OpenVINO human pose estimation-0007. Learn how to create and use this configuration with your existing human pose estimation-0001 model. Improve your understanding of GStreamer and its integration with OpenVINO.

Troubleshooting PostgreSQL Docker Error: Invalid Page Block 0 Relation Global/2676

In this tech support article, we will discuss the PostgreSQL Docker error 'invalid page block 0 relation global/2676' and provide solutions to resolve this issue. Using keywords such as PostgreSQL, Docker, and error to optimize SEO.

Fixing FFmpeg Can't Find Shared Library Issue on Asustor

In this tech support article, we will tackle the issue of FFmpeg not being able to find shared libraries when installed on Asustor. Learn how to resolve this problem and get FFmpeg up and running smoothly.

How to Use rsync to Protect Root Partition and Create Backup on a Separate Partition

Learn how to use the rsync command to protect your root partition by creating a backup on a separate partition. This maintenance task is crucial for data security and can save you from potential system failures. Read more to get started.

Troubleshooting Host Name Lookup and DNS Resolution on Tech Support Sites

Having trouble connecting to a public WiFi network due to host name lookup and DNS resolution issues? Learn how to troubleshoot these common problems on Linux, Windows, and MacOS tech support sites. Optimize your SEO with keywords such as public WiFi, host name lookup, DNS, and network issues. Read more to learn more about this tech support topic.

Effortlessly Configure Logstash to Write to Redis: A Key Guide

In this SEO-optimized article, we'll walk you through the process of configuring Logstash to write logs to Redis. This intermediate step is crucial if you're integrating a ShadowSOCKS server with fail2ban. Follow our step-by-step guide to simplify the process and avoid common pitfalls.

Running Docker Service Encounters No Space Left on Device - A Tech Support Guide

Learn how to troubleshoot and solve the issue of running a Docker service that encounters 'no space left on device' using this step-by-step tech support guide. This guide will help you identify the cause and provide solutions for volume configuration and available disk space.

New Self-Hosting Project Hits a Snag: Monica CRM Docker Setup (503 Error)}

A user embarked on a seemingly simple project: setting up Monica CRM using Docker. However, they have encountered unexpected challenges, including a 503 error. This article provides a brief overview of the situation and invites readers to explore the tech support solutions for this issue.

How to Keep KOrganizer Reminders Always in Foreground

Learn how to configure KOrganizer reminders to always appear in the foreground, preventing them from being accidentally closed or moved to another monitor. This article provides a step-by-step guide to optimize your productivity with KOrganizer.

Enabling Resolution of Extra Namespaces in Marshalling: A Comprehensive Guide

Learn how to enable the resolution of extra namespaces in marshalling for XML files. This guide covers common issues and solutions for Linux systems.

Fixing Vim: Map Command Not Working Correctly with F2 Key

Having trouble with the map command in Vim? Learn how to troubleshoot and solve the issue of the map command not working correctly with the F2 key. Follow the steps in this guide to fix your Vim map command and optimize your text editing experience.

Fix Docker Login Fails in .bashrc File

In this tech support article, we address an issue with Docker login failing in the .bashrc file. The problem occurs when using the .bashrc file to store the Docker login command with AWS ECR credentials. We will provide a solution to prevent the login from failing and ensure smooth integration.