Articles about linux | UserComp.com

AlmaLinux 9.4 Installation on a Large Partition (30TB) with Single User Mode

Learn how to install AlmaLinux 9.4 on a large partition (30TB) in single user mode.

Error: Bad SHIM signature with Bootsigned Vanilla Kernel (4.9.20) in Knoppix 9.1

This article explains how to resolve the 'Error: Bad SHIM signature' issue when trying to boot a signed vanilla kernel (version 4.9.20) using Grub in Knoppix 9.1.

ThinkPad W540: Overcoming Computer Halts while Performing Specific Tasks on Fedora 40

Learn how to troubleshoot and resolve computer halts on a ThinkPad W540 running Fedora 40. Discover effective methods to perform specific tasks without interruptions.

ThemeFate vs. free Oedipus Rex: A Comparison

Explore the differences between ThemeFate and the free version of Oedipus Rex in this comprehensive comparison. Read more to discover which one suits your needs best.

Database Clustering: Supporting Different Operating Systems

Learn how RDBMS support clustering across different operating system hosts, such as Oracle on Windows and Linux.

Getting PHP-FPM Error Log Directory for Each Script

Learn how to find the error log directory for each PHP script running on different domains or directories using PHP-FPM.

Remapping Right Ctrl Key without Karabiner-Elements: A Solution

Learn how to remap the Right Ctrl key on your keyboard without using Karabiner-Elements.

Echo Print: Display Two Lines Expressions Instead of One in Debian 12 Stable

In this tech support article, we'll guide you on how to display two lines expressions instead of one using the 'echo' command in Debian 12 Stable. The traditional way of hardcoding label results in the expression being displayed on a single line, but we'll show you an alternative method to display each line separately.

Automatically Enabling/Disabling Network Connections: Ethernet and Wi-Fi Adapters

When you plug in a network cable into an Ethernet port or unplug it from a Wi-Fi adapter, the respective adapter gets automatically enabled or disabled. This behavior might not always be desired. In this article, we'll discuss how to manage network adapter settings manually on Windows, Linux, and MacOS.

GNOME 3.32.2 on AlmaLinux 8.10: Screen Lock Activates with Keyboard Instead of Mouse

This article discusses an issue with GNOME 3.32.2 on AlmaLinux 8.10, where the screen lock activates using the keyboard instead of the mouse. We'll explore possible solutions to this problem.

Debugging DaVinciResolve in Docker: NVidia GPUs Not Detected

Experiencing issues with DaVinciResolve not recognizing GPUs when running in Docker with NVidia runtime? Learn potential solutions to this common problem.

Installing Specific Packages without Recommended Ones using apt

Learn how to install specific packages without their recommended packages using apt on Ubuntu.

Understanding Partition UUIDs in Windows and Linux

Windows and Linux use different methods to identify partitions using UUIDs. In this article, we'll explain the differences and provide guidance on managing partitions with UUIDs in both operating systems.

Understanding Sudoers File: Allowing Execution of Specific Commands for a User

Learn how to allow a user to execute a specific command without entering a password using the Sudoers file. This article provides an example using systemctl start command.

Understanding sudoers File: Allowing Execution of Specific Commands for a User

In this article, we will explain how to allow a user to execute specific commands using the sudoers file. We will provide an example using the systemctl command.

Step-by-Step CUDA Installation for NVIDIA GeForce RTX 3060 on Ubuntu 24.04 LTS

Learn how to install CUDA on Ubuntu 24.04 LTS for NVIDIA GeForce RTX 3060 with this step-by-step guide. Overcome installation issues and get your system up and running.

Linux Ubuntu Keyboard Acting Randomly: Troubleshooting Steps

Newly installed Ubuntu Linux system experiencing random keyboard behavior. Troubleshooting steps to identify and resolve the issue.

Fixing a Broken GRUB Entry in Dual-Boot Systems: LibreELEC and Motherboard Boot Menu

Learn how to fix a broken GRUB entry in a dual-boot system when accessing the motherboard boot menu instead of using F12. This article covers the issue with LibreELEC.

Corrupted SSD: Unable to Allocate Items Showing 2GB, No Recovery Data Found

Users report failure during OS migration to a new SSD due to corruption. The SSD shows unallocated space of 2GB, and recovery data cannot be found. This article provides potential solutions.

Broken Pipe Error During File Transfer via SCP on DigitalOcean Droplet

Users report a broken pipe error when attempting to send files using SCP on a DigitalOcean Droplet. This error occurs due to a corrupt Message Authentication Code (MAC) during the transfer. This article explains the cause and provides solutions to resolve the issue.

Fixing Issues with chroot Command on GNOME Login Screen (Kali Linux 2024.2 ARM32-bit)

This article provides solutions to issues encountered while using the chroot command on the GNOME login screen in Kali Linux 2024.2 ARM32-bit.

Reassembling Split Files: Store Them in Separate Zip Files

Learn how to reassemble split files by storing them in separate zip files. This method simplifies the process of merging large files into smaller parts. In this article, we'll guide you through the steps for Linux, Windows, and MacOS.

Dealing with Unmet Dependencies Error in Ubuntu

Users encountering the unmet dependencies error while updating or installing software in Ubuntu may follow this guide to resolve the issue. The article provides step-by-step instructions and recommended troubleshooting methods.

Ubuntu Unmet Dependencies Error: A Solution

Learn how to troubleshoot and fix the unmet dependencies error when updating or installing packages in Ubuntu.

Stuck in Grub Shell after Rebooting Laptop: Arch Chroot Install Solution

Learn how to recover from a Grub shell that won't let you boot your Arch Linux system using a live USB and Arch Chroot install.

Sorting Command-Line Commands: Namespaces in Linux

Learn how to sort command-line commands effectively in Linux, handling multiple external commands and choosing the most useful one.

Sending Custom Emails with Specific Commands on Linux: A Step-by-Step Guide

Learn how to send custom emails with specific commands using Postfix and a bash script on Linux. This tutorial covers setting up DKIM, configuring the script mailSender.sh, and passing arguments.

Restoring Deleted Encrypted Partitions: Ext4 vs. Luks

Learn how to restore deleted encrypted partitions using Ext4 and Luks encryption on various operating systems. Follow these steps to ensure data recovery.

Getting Three Window Partitions with One Linux Partition and Grub2 in a Multi-Boot System (Non-UEFI)

Learn how to create and manage a quad-boot system with one Linux partition and Grub2 as the bootloader in a non-UEFI environment.

Kali Linux Crash: Half Extracted Data Takes Up Space Not Visible?

Users reported that Kali Linux, with a quite large size of 14GB, suddenly crashed. Fortunately, the system was virtual, but the issue left half-extracted data taking up space that was not visible. In this article, we'll discuss potential solutions for this issue.

Pre-enrolled Keys and Key Exchange in System Manufacturing

In system manufacturing, pre-enrolled keys and key exchange play a crucial role in securing communication between devices. This article explains the concept of pre-enrolled keys, key exchange, and their significance in ensuring secure communication.

BIOS Won't Allow Boot Priority Change for Ubuntu Hard Drive

Learn how to resolve BIOS boot priority change issue when trying to set up dual boot with Ubuntu and Windows.

Mapping Left-Right Mouse Clicks to Keyboard Buttons in Linux: A Solution for Sticky Touchpads

If your laptop touchpad gets stuck and you're trying to map left-right mouse clicks to keyboard keys using xmodmap, read on for a step-by-step guide.

Counting Frequency of Words in a Text File: personal, person, personnel, personally, hypersonic

In this tech support article, we will guide you on how to count the frequency of specific words in a text file using the command-line interface on various operating systems. In this example, we will be focusing on the words 'personal', 'person', 'personnel', 'personally', and 'hypersonic'.

Count Frequency of Words in a Text File: ignore 'person', 'file', not count 'personal', 'personnel', 'personally', 'hypersonic', desired results

Learn how to count the frequency of specific words in a text file, excluding certain words such as 'person', 'file', but including 'personal', 'personnel', and 'personally'. This tutorial covers methods for both Linux and Windows platforms.

Counting Frequency of Person Files: A Tech Support Guide

Learn how to count the frequency of person files in a text file without considering personal words like 'personal'. This tech support article provides a step-by-step guide.

Daily Ubuntu Image Backup: Data-Only Folder Strategy

Learn how to create a data-only folder for daily Ubuntu image backups using external USB disks.

Firefox Opens Links in Background on Ubuntu after Installing Snap Package

Users of Ubuntu 22.04 reporting that Firefox opens links in the background after installing the Snap package. This issue occurs when clicking on links in applications such as Slack.

Unallocated Space of 1 MB in DOS/MBR Bootsector for Linux and Windows Systems

This article discusses the appearance of 1 MB unallocated space in the DOS/MBR bootsector for Linux and Windows systems. The issue is observed when formatting disks with different file systems, such as ext4 and Linux swap files. This article provides a possible explanation and suggests a solution.

Kali Crash: Extracting Large Files with Quiet Mode in Kali Linux

During a Kali Linux data extraction process, a large file suddenly caused a crash. Fortunately, the virtual machine remained unaffected. In this article, we'll discuss how to extract large files quietly in Kali Linux to prevent crashes.

ZFS Linux: Corrupted Directory with Missing Files, Scrub Shows No Errors?

A Linux server with a ZFS file system crashed several days ago. Critical files were written to a directory, but when accessing the directory, an ls report shows errors and some files are missing. However, scrubbing the file system shows no errors. In this article, we will discuss possible causes and solutions for this issue.

User Group Addition Not Taking Effect: Restart Solution

Learn how to resolve user group addition not taking effect issue by restarting the system.

Differences Between Linux Loginshell and Non-Loginshell: Merely a Matter of File Sourcing

Exploring the differences between Linux loginshell and non-loginshell, we find that the main difference lies in file sourcing. Let's delve deeper into this concept.

Ubuntu 24.04: nd-aloop Module Not Found during Loopback Device Creation

While creating a loopback device on Ubuntu 24.04, an error message appears stating that the 'nd-aloop' module is not found. This article discusses potential solutions to help resolve this issue.

Why Does a Folder Get Automatically Created in /home/myuser/ When I Create a Folder in the Root Directory?

When creating a folder in the root directory of Ubuntu, a new folder gets automatically created in /home/myuser/. This behavior is normal and can be explained by the file system structure.

Accelerating System Setup with Copy-Paste Bash Commands in Terminal

Years ago, setting up a system required using the mouse to select dozens of commands. Today, copying and pasting Bash commands in the terminal can make the process go faster.

BTRFS RAID 5/6 Auto-Healing: A Comprehensive Guide

In this article, we will discuss BTRFS RAID 5/6 auto-healing, a crucial feature that ensures data redundancy and availability in case of disk failures. We will cover the basics of BTRFS RAID, how auto-healing works, and provide some best practices to optimize this functionality.

Root User Required for Data Recovery Programs: PhotoRec, TestDisk on Mac mini/M2 Ventura 13.3

Users of Mac mini running MacOS Ventura 13.3 encounter an error message while attempting to use data recovery apps like PhotoRec and TestDisk, despite not requiring root access under normal circumstances. This article explains why the root user is needed for these programs and provides instructions on how to grant temporary privileges.

Adding Calculatable Totals to Fields Based on Total Values: A Tech Support Guide

Learn how to easily produce pivot tables and get rid of default total summing in Raw and Dry data. Replace total values with differences for a more accurate analysis.

Lenovo X390 Touchpad: Physical Buttons Not Working after Land Driver Updates

Users report that the physical buttons on their Lenovo X390 touchpad stop functioning after updating Land drivers on Windows 11. This issue does not occur on Linux.

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