Articles in Linux | UserComp.com

Laravel Command Not Found: Accidentally Changed Terminal Path

Learning PHP and installing Laravel through Composer, but encountering a Laravel command not found error. The terminal path may have been accidentally changed. Follow these steps to resolve the issue.

Sudo Interrupted: Manually Running sudo dpkg --configure after apt-get upgrade

This article explains how to manually run sudo dpkg --configure after an interrupted apt-get upgrade on Ubuntu.

Editing OpenWRT Source Code for Handshake Replacement in School Project

Learn how to edit OpenWRT source code to implement a security algorithm for handshake replacement in a school project. Follow these steps to get started.

Manjaro Installation: Unable to Install Sound Drivers (Dummy O Output)

This article provides solutions to Manjaro users who are unable to install sound drivers due to the Dummy O Output error.

Enforcing Maximum Authentication Time in OpenSSH Configuration

Learn how to enforce a maximum authentication time limit in OpenSSH configuration to enhance server security. Implementing MaxAuthAge option.

Configuring BIND9 Catalog Zone with Non-Notification Slaves: A Step-by-Step Guide

In this tech support article, we'll walk you through the process of configuring a BIND9 catalog zone with non-notification slaves. We'll focus on the ns1 and ns2 servers with IP addresses 192.168.8.78 and 192.168.8.79, respectively. Let's get started by modifying the named.conf file.

Static IP Configuration Issue on Debian Bookworm Server

The user recently started hosting a server on Debian Bookworm. Initially, everything worked perfectly with a public IP address. However, after attempting to set up a static IP, they encountered issues. Despite following the tutorial, the loopback address is not being assigned.

Isolating a Ubuntu Desktop VM using VBox and Endian Firewall

Learn how to isolate an Ubuntu Desktop VM using VirtualBox and Endian Firewall, allowing internet access.

Fixing a Missing USB Drive on Linux

If your USB flash drive is no longer recognized by your computer, follow these steps to troubleshoot and fix the issue on a Linux system.

Dell R720 Server: ESXi 6.7 Not Showing Virtual Console after Installing Ubuntu Server on Separate HDD and iDRAC7

A user is experiencing issues with the virtual console not showing up after installing Ubuntu Server on a separate HDD for their Dell R720 Server running ESXi 6.7 and iDRAC7.

Applying Patches to Hundreds of Duplicate Files with Different Names on a Linux System

Learn how to apply patches to hundreds of duplicate files with different names on a Linux system using various methods and tools.

Installing PHP 8.2 Offline on Ubuntu 20.04: Dependencies

Learn how to download and install PHP 8.2 dependencies offline on Ubuntu 20.04 (Focal) system.

Restricting Writing Access on a Samba Server: A User's Guide

Learn how to restrict writing access on a Samba Server to prevent unwanted changes. Follow these steps to secure your shares and avoid headaches.

Brew Install Fails: 'No Space Left on Device' in RHEL9 - Possible Fix

This article outlines the steps to resolve a 'No Space Left on Device' error during a Brew install on RHEL9. Follow the instructions carefully to free up space and successfully complete the installation.

Automatically Starting a Windows T3.micro AWSEC2 Instance with a Python Script

Learn how to create a Python script that starts a Windows T3.micro AWSEC2 instance automatically. Set up the script to run on instance startup.

Troubleshooting Ubuntu 20.04.6 LTS Machine with Large Storage Usage

This article explains how to identify and resolve issues with large storage usage on an Ubuntu 20.04.6 LTS machine.

Linux VirtualBox: Machine Group Conflicts with Virtual Machine Name

Learn how to resolve conflicts when importing a Linux virtual machine into VirtualBox with a conflicting name in a machine group.

Cannot Create Folder Name Ending with '.' on NTFS Volume in Linux: A Windows Workaround

When working with Linux on an NTFS Volume, creating a folder name ending with a '.' seems to be disallowed according to several reports. In this article, we will explore a Windows workaround to create such folder names on a Linux system.

Understanding No-Ignore Case Grep Command in Manpages

In this tech support article, we will explain the concept of no-ignore case matching in manpages and how it affects the grep command's behavior.

Managing Multiple Tmux Sessions in OnePane

A user reported seeing something unusual in their Tmux session, where six different scripts were running concurrently. This article explains how to manage multiple Tmux sessions in one pane.

Resolving Ping Issue: Laptop (Lenovo X1 Carbon) Unreachable - Suspend and Destination Host Unreachable

Experiencing a ping issue with your Lenovo X1 Carbon running Ubuntu 22.04 while connected via wifi? Learn how to resolve the 'Suspend' and 'Destination Host Unreachable' errors.

Using GVFS with Debian OpenBox: A How-To Guide

In this article, we will explore how to use GVFS (GNOME Virtual File System) with Debian OpenBox. We'll cover the necessary steps to install and configure GVFS on Debian, and discuss its benefits for OpenBox users. Read more to learn how to enhance your OpenBox experience.

Troubleshooting 'Fatal library error: lookup self' during Pacstrap in Arch Linux Installation

During the Arch Linux installation process, an error message 'Fatal library error: lookup self' occurs after running pacstrap. This article provides suggested solutions to help resolve this issue.

Creating Backups and Snapshots in Linux: A Tech Support Guide

Learn how to create backups and snapshots in Linux to ensure important data and system configurations are safely kept. Discover the use of Timeshift and other methods.

Creating Backups and Snapshots in Linux: A Tech Support Guide

Learn how to create backups and snapshots in Linux to keep important files, installed programs, configurations, and network settings safe. Discover the use of Timeshift.

Disabling AEAD in GnuPG for Creating PGP Keys: A Solution

Learn how to disable the Advanced Encryption Standard with Authenticated Data (AEAD) when creating new PGP keys using GnuPG version 2.4.

Troubleshooting Subdomain File Hosting with Autoindex on Nginx

This article explains how to troubleshoot issues with subdomain file hosting and autoindex on Nginx. The article covers the successful redirection of a subdomain to the main domain and the unresponsiveness of autoindex.

Installing VirtualBox on Debian 12 Testing: Dependency Issue with libvpx

This article provides a solution for users experiencing a dependency issue while installing VirtualBox on Debian 12 Testing, specifically related to the package libvpx.

Ubuntu 22.04 Desktop Sudden Display Issue: Can't Open Display with RustDesk

A headless home server running Ubuntu 22.04 Desktop has been working fine with an HDMIDummy plug for months. Recently, while trying to remote access the server using RustDesk, the display fails to open. In this article, we'll discuss potential solutions to help you resolve the issue.

Adjusting DrawText Scrolling Length in FFmpeg with a Text File

Learn how to adjust the length of scrolling text in FFmpeg using a text file. This tutorial covers the process of creating a video with vertically scrolling text and adjusting the scrolling speed based on the text length.

Running Docker Images without Root Access on Managed Linux Servers

Learn how to run Docker images without root access on managed Linux servers, even when the system administrator refuses to install new packages.

Troubleshooting FFmpeg Concat Error with Broadcast Files

Learn how to troubleshoot and fix FFmpeg concat errors when merging broadcast files transcoded in XDCAM HD format. This article provides a step-by-step guide and suggested solutions.

Postfix with OpenSSL 3: Auto DH Parameters

This article explains how to configure Postfix to use OpenSSL 3's auto DH parameters.

Postfix 3.7 and OpenSSL 3: Configuring DH Parameters

This article explains how to configure DH parameters in Postfix 3.7 when using OpenSSL 3.0.0 or later.

Fedora VirtualBox VM: UI Clicks Not Visible After Installation

Some users report that after installing VirtualBox on Fedora, the UI clicks are not visible. This issue can be resolved by checking the VirtualBox guest additions installation and ensuring the correct video driver is installed. Here's how to troubleshoot and fix this problem.

PiVPN Connection Drops Exactly 3 Minutes After Successful Setup