Articles about linux | UserComp.com

Cannot Ping Kali Ubuntu from Ubuntu: A VirtualBox Firewall Issue

Learn how to resolve the issue of not being able to ping a Kali Ubuntu virtual machine from the host Ubuntu system using VirtualBox. This article explains the firewall settings that need to be configured.

Bind Cell Positions: Filter Functions in Tech Support

Learn how to bind cell positions in filter functions for effective tech support. Filter functions in various operating systems and applications allow users to manipulate data in tables. In this article, we discuss the process of binding cell positions and provide solutions for common issues.

Unresponsive Key (keycode 248) on Linux: Troubleshooting with xev

This article provides a step-by-step guide to diagnose and resolve an unresponsive key issue on a Linux system using the xev tool. The article explains how to interpret the xev output and suggests possible solutions based on the given example.

Optimizing ClamAV Scanning with Enterprise Linux 9 and fanotify

Learn how to optimize ClamAV scanning on Enterprise Linux 9 using fanotify for real-time monitoring of modified files. Improve your system's security and performance by utilizing this powerful combination.

WSL Fails to Obtain Permissions: Newly Prepared Drive on Desktop

Users report that after installing a new NVMe SSD on their desktop and initializing it, they encounter issues when trying to access the drive using WSL. This article provides a solution to obtain the necessary permissions.

Understanding the '--no-o' Option in rsync: Preserving Timestamps

When using rsync to synchronize files from a Git repository, Git ignores file timestamps. To preserve file timestamps during the sync process, use the '--no-o' option with rsync.

How to Run ncat Version 5.51 on RHEL7 Without Showing the Version

Learn how to use ncat version 5.51 on Red Hat Enterprise Linux 7 without displaying the version number. This tutorial provides a step-by-step guide to help you get started.

CPE ID Prepended: Fedora 41 KDE Spin

In this tech support article, we discuss the utilization of CPE IDs in the context of the Fedora 41 KDE Spin. Understanding the significance of CPE IDs and their prefixed URIs is crucial for effective system management. Let's dive in.

Connecting Multiple Monitors to a Laptop: A Streamlined Setup

Learn how to connect and set up multiple monitors with a laptop, using HDMI or DP connections. Streamline your multitasking experience.

Unable to Access One Device on Another Network: A Wireless Troubleshooting Guide

Learn how to resolve issues accessing one device on another network using a wireless connection. This troubleshooting guide covers solutions for Linux, Windows, and MacOS.

Tracking Grades and Amounts: A Comprehensive Guide for Students

Learn how to effectively track your grades and payments for up to 8 classes with 5 major subjects and 3 elective types. Set formulas to simplify the process with our comprehensive guide.

Isolating Several Devices on a RLAN: A Tech Support Guide

Learn how to isolate several devices on a RLAN network, including setting up a web application on a Raspberry Pi cluster with a TL-SG1016DE switch and Kemp Loadbalancer.

Setting up VNC on a Bare Debian 12 Install with MATE: A Tech Support Guide

This tech support guide will walk you through the process of setting up VNC on a bare Debian 12 installation with the MATE desktop environment. After installing the necessary packages, we'll take a snapshot with TimeShift immediately after installation completion. Follow these steps to get VNC up and running on your Debian 12 system.

Linux/Windows BIOS Size and Its Impact on Complex CPUs: Phenom II Quad-Core Processor Requirements

Explore the relationship between BIOS size in Linux and Windows and the complexity of CPUs, specifically focusing on the Phenom II quad-core processor. Learn about the implications of a larger BIOS size and its impact on the performance of complex processors.

Understanding the Difference: Linux BIOS vs. Windows BIOS (MB.BOOT loader)

Learn about the differences between Linux BIOS and Windows BIOS (MB.BOOT loader), and what to do when the latest BIOS support stops for Windows 7.

Viewing Local Git Repo in HTTP Server with Browser (GitHub/GitLab Styling)

Learn how to view and style a local Git repository using an HTTP server and a web browser in GitHub or GitLab environments.

Anki Installation Issue on ArchLinux: Failed Build and Manual Installation Attempts

Users attempting to install Anki on ArchLinux through the AUR package have encountered build failures. This article provides solutions to the issue, including manual installation and the use of Yay.

Fixing Anki Package Building Issue on Arch Linux

Having trouble building the Anki package on Arch Linux? Learn how to troubleshoot the issue and install Anki manually or with Yay. This SEO-optimized article provides a solution for the Anki package build error on Arch Linux.

Extracting Number Tags: Adding 'somenumber' to Your Tech Support Article

In this article, we'll discuss how to extract number tags, using 'somenumber' as an example. Follow along as we add 100001 and 200002 to our sample text.

Setting up HTTPS support with iPXE using certbot (Let's Encrypt)

This article outlines the steps to configure HTTPS support for iPXE using Let's Encrypt's certbot. Learn how to generate and install SSL certificates on your openWRT router.

Dual Booting with Different OSes: Partitioning and File Access

Learn how to use partitioning to install and dual boot multiple operating systems, including Windows and Linux. This article covers creating partitions, mounting partitions, and accessing files in each OS.

Remap Keyboard Keys on Linux for Apple Keyboards with Touch Bar

Learn how to remap keyboard keys on Linux for Apple keyboards with Touch Bar. Improve your typing experience and customize your modifier keys.

Understanding Resident Memory Usage with htop on Linux, Windows, and MacOS

Learn how to use htop to monitor and understand resident memory usage on Linux, Windows, and MacOS systems. This article includes instructions for using htop output, free output, and pmap output.

Disabling the tmux Prefix Key in Your Terminal

Learn how to disable the tmux prefix key (default: Ctrl+B) and set a new prefix key in your terminal. Follow these steps to customize your terminal experience.

Linux Find Command Using 'delete' and 'prune' Gives Error: A Guide for Tech Support

Having trouble using the 'delete' and 'prune' options with the Linux find command? Learn how to skip specific directories while scanning for old files in this tech support guide.

Fixing Deal Error While Importing .ova File in VirtualBox

Learn how to fix deal error attempting import of a .ova file in VirtualBox. This article provides a step-by-step guide for users experiencing this issue on Linux, Windows, and MacOS.

Newly Installed 480GB SSD Device Appears and Disappears Multiple Times - Troubleshooting Guide

If you've installed a new 480GB SSD and are experiencing issues where the disk appears and disappears, this guide can help. Learn how to use sudo fdisk -l and other troubleshooting steps to resolve the issue.

Fix Formatting Partition Fat32 Dual-Boot Linux/Windows SSD/HDD (GPT) - Error Partition 1 EFI Uses Linux Partition 2 (120GB) - Linux Installed, Rest Created Windows 10 Installer (Never Happened)

Learn how to fix formatting partition Fat32 dual-boot Linux/Windows SSD/HDD (GPT) when error partition 1 EFI uses Linux partition 2 (120GB) with Linux installed and rest created Windows 10 installer (never happened). Follow this step-by-step guide to troubleshoot and resolve the issue.

GParted Won't Let You Extend Partition? Here's How to Fix It

Having trouble extending a partition in GParted? This article provides possible solutions to help you fix the issue. Learn how to resize partitions in GParted and other useful tips. Read more to find out.

Enabling VPN Client Access Interfaces Instead of Disabling Forwarding Option in Debian Linux Infrastructure

In Debian Linux infrastructure, managing network interfaces with specific roles is crucial. This article focuses on the interface role of subnet description and how to enable VPN client access interfaces instead of disabling the forwarding option for improved security and accessibility. Read more to learn how to optimize your Debian Linux system for VPN client access.

Persistently Mount VHDX Drive in WSL 2 for Seamless File Access

Learn how to persistently mount a VHDX drive in WSL 2, allowing seamless file access even after reboots. This tutorial covers using the wsl --mount command with the --bare flag to bypass /mnt and access your drive.

Diagnosing Slow Computer: Arch Linux GNOME Laptop Issue

This article discusses a common issue faced by Arch Linux GNOME laptop users where the system becomes slow, taking a long time to launch applications, load web pages, and experiencing stuttering animations and noticeable delays in text input. We will provide some tips and tricks to diagnose and potentially solve this problem.

RESOLVED: VPN Client Access Interfaces instead of Restricted Subnet - Disable Forwarding Option?

In Debian Linux infrastructure managing several network interfaces with specific roles, how to configure VPN client access interfaces instead of restricted subnets and disable the forwarding option?

Resolving DNS Issues with Rocky Linux 8 Virtual Machines

Learn how to troubleshoot DNS issues in Rocky Linux 8 virtual machines by connecting them to the NAT network and using IP addresses for ping tests.

Creating a Virtual Machine from an Existing Windows Installation: Tech Support Guide

Learn how to utilize your existing Windows installation in a virtual machine on Linux, making dual-booting and configuring dual operating systems a thing of the past. Improve your daily driver tasks and increase productivity. This SEO-optimized guide assists you in getting started with virtualization and running Windows on your Linux machine. Read more!

VPN Client Access Interfaces (eth0, vmbr0) instead of Disable Forwarding Option in Debian Linux

In Debian Linux infrastructure managing several network interfaces, specific roles are assigned to each interface based on their descriptions. The eth0 interface is typically used for public connections with IP address 192.0.2.0/24. When configuring a VPN client, instead of disabling the forwarding option, using these interfaces is recommended.

Fixing Display Error: Screen Gets Divided and Offset on Arch Linux in Lenovo Tablet

This article provides a solution for users who encounter a display error where the screen gets divided and offset on their Arch Linux system in a Lenovo tablet. Learn how to troubleshoot and fix this issue. Read more for detailed steps.

BTRFS Partition Completely Full: How to Make it Workable Again

Learn how to make a BTRFS partition workable again when it's completely full. This article provides solutions for Linux users, including truncating the filesystem.

How to Recover Corrupted btrfs Data from a VDI File in Linux

Learn how to recover corrupted btrfs data from a VirtualBox VDI file in Linux. This guide will walk you through the process of mounting the VDI file, accessing the corrupted partition, and recovering the data using available tools. Don't lose your important data – follow these steps to get it back.

Creating Bootable RAID Drives with Rocky Linux using mdadm on an HP DL360 Gen6

This article provides a step-by-step guide to creating bootable RAID drives using Rocky Linux and mdadm on an HP DL360 Gen6 server. Learn how to bind four drives into one array for a reliable and high-performance OS load.

Managing File Permissions in Ansible Playbooks: chmod for Small Directory Trees vs. Large Directory Trees

In this tech support article, we will discuss how to use Ansible playbooks to manage file permissions for small and large directory trees using the chmod module. We will cover setting group and user permissions for chrooted directories and getting access to folders.

Sudo Ask Root Password: A Guide for Linux Users

If you've recently switched from Windows to Linux and set up a separate admin user for security, you may have encountered the 'sudo' command asking for a root password. This article explains why this happens, and how to manage your admin and user accounts in Linux.

Force Ext4 Filesystem Check: A Solution for Mount Failures in Linux

Learn how to force an Ext4 filesystem check to resolve mount failures in Linux. This quick and easy guide covers the necessary steps for both manual and automated methods.

Ram Overload: Almost Every App Writing Paging Files Instead

Recently, I've been experiencing an issue where, even with sufficient RAM available, almost everything goes to paging files. This situation is driving me crazy as programs appear to be using much more RAM than they should. Let's explore the possible causes and solutions.

Best Way to Create User Accounts on 200 Linux Machines using Ansible: A Tech Support Guide

In this tech support article, we will explore the best way to create user accounts on 200 Linux machines using Ansible. Ansible is an automation tool that can help you manage large infrastructure with ease. This guide will show you how to use Ansible to create user accounts on multiple Linux machines, saving you time and reducing the risk of errors. Read more to learn how to get started with Ansible for user account creation on Linux.

Fixing External Storage Mounting Issues in Linux: A Guide to Using 'force' and 'fsck' Commands

In this tech support guide, we will discuss how to deal with external storage mounting failures due to filesystem errors in Linux. Specifically, we will explore the use of the 'force' and 'fsck' commands to address these issues. If you are experiencing difficulties mounting external storage devices on your Linux host, this article is for you.

Effortlessly Add Spaces Between Lines with a Single Command

Discover how to put spaces between lines of text instantly, without manually pressing enter. This handy trick can save time and increase efficiency in your daily workflow, whether you're using Linux, Windows, or MacOS. Learn the function to use and start seeing the benefits today!

Setting up Two Services using PHP-FPM and Nginx: A Tech Support Guide

Learn how to set up two services using PHP-FPM and Nginx in this tech support article. The backend container runs PHP-FPM to handle requests, while the frontend container serves Nginx to display pages. Follow this guide to ensure both services function optimally.

Fix Corrupted Line Endings Recursively in Text Files (Linux, Mac, Windows)

If you have a directory tree full of text binary files with Unix line endings (LF/
), Windows line endings (CRLF/\r
), or corrupted line endings (CRCR+L), this guide will help you fix the issue recursively in all text files for Linux, Mac, and Windows systems. Learn the steps to ensure your text files are back to normal and free of any line ending issues.

Become a Computer Superuser: Earning System Administrator Certifications

Earning system administrator certifications is a proven way to gain a deep understanding of various operating systems. However, book smarts alone may not be enough...

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