Articles about linux | UserComp.com

LVM Resize: Forgot Filesystem Check Shows No Extents Available

When attempting to reduce the size of a Logical Volume Manager (LVM) volume, the resize operation fails with the error message 'No extents available'. This error can occur if the filesystem check is not performed beforehand. In this article, we will discuss the cause of this issue and provide a solution.

Traefik and Metallb External IPs Stuck Pending in K3s Cluster Deployment

This article provides a solution for the issue of Traefik and Metallb external IPs being stuck pending during the deployment of a K3s cluster locally on Ubuntu.

Understanding the 'listen()' Call and 3-Way Handshake in TCP Server Debugging

In this tech support article, we'll discuss the concept of the 'listen()' call and the 3-way handshake in the context of debugging a basic TCP server on Linux. When the execution stops right before the 'accept()' call, clients sending SYN, and the server shows the issue in tcpdump, we'll dive into the details.

Encrypt/Decrypt Simple Text Phrases Locally: A Straightforward Tool

Learn how to encrypt and decrypt simple text phrases locally using a straightforward tool. OpenSSL and gpg did not meet your requirements? Let's explore some alternatives.

Formatting Page Numbers in TOC for Multi-Level List Headings in Tech Support

Learn how to format page numbers in Table of Contents (TOC) for multi-level list headings in various tech support environments, including Linux, Windows, and MacOS.

Configuring 4TB RAID1 Drives in ESXi 6.7 for a Linux VM

Learn how to configure RAID1 with two 4TB drives in ESXi 6.7 for a Linux VM. This guide will walk you through the process of setting up a redundant storage solution for optimal data protection.

Avoiding Google Authenticator Re-Authentication in Existing SSH Sessions on EC2

Learn how to avoid Google Authenticator re-authentication in existing SSH sessions on Amazon EC2 instances.

Deleting Additional EFI (EFINAME) for Dual-booting MacBook Pro 2019 with Intel & T2 using T2Linux for Fedora Installation

Learn how to delete unnecessary EFI entries for a successful Fedora installation on a MacBook Pro 2019 using T2Linux.

Sync Copy Branches across Orgs: A Tech Support Guide

Learn how to easily sync copy branches across different organizations in Git using our step-by-step tech support guide.

Access Point: Keep Ubuntu 22.04 LTS Laptop Connected to Internet with Ethernet Only

Learn how to keep a Ubuntu 22.04 LTS laptop connected to the internet using only an Ethernet cable.

Differences in Running 'wlsstart' Scripts with Absolute vs. Relative Paths in RHEL8 Linux

This article explores the different behaviors when running the 'wlsstart' script with absolute and relative paths in RHEL8 Linux systems. The absolute path uses 'systemctl', while the relative path runs './wlsstart'. Understand the implications of each approach.

Instructions per Cycle (IPC) vs. Frequency: Understanding Core Performance

Learn about Instructions per Cycle (IPC) and frequency in relation to core performance. Understand how they impact system efficiency and performance.

Installing libc6 on WSL for Kali Linux after Docker installation

Learn how to install libc6 on WSL for Kali Linux after a Docker installation, allowing Ubuntu to work properly.

Macbook Pro 2019 not recognizing live USB dual-booting Linux using T2 Linux ISO image

Users report that their Macbook Pro 2019 with Intel processor is not recognizing live USB dual-booting with Linux using T2 Linux ISO image. This issue can be resolved by using the Option key during boot.

Strange Issue with Ubuntu 22.04 on Old Computer: Discord Hosting Still Running

Users report encountering strange issues with Ubuntu 22.04 on older computers, despite Discord hosting still running. This article aims to provide potential solutions and workarounds.

Achieving Precise 10-Minute Shutdowns with VLC Player

Learn how to achieve precise 10-minute shutdowns using VLC Player. The command 'vlc-I{camAddress} --run-time=600 vlc://quit' is used but not shutting down exactly at 10 minutes. Suspect issues with the command execution.

tmux: Instantly Updating Pane Title to Match Terminal Output

Users of the terminal multiplexer tmux may notice a delay between the title of the terminal window and the title displayed in the corresponding pane. This article explains how to configure tmux to update the pane title instantly, ensuring that the title always matches the currently executed command.

Linux Mint 20.02 Cinnamon: Black Screen at Startup with No Mouse

This article provides a solution for users experiencing a black screen and no mouse issue during the startup process of Linux Mint 20.02 Cinnamon.

Full Network Enumeration on Kalilinux without Assigned IP Address

Learn how to perform a full network enumeration on Kalilinux without an assigned IP address using tools like Nmap, Wireshark, and Arp-scan.

Cloned Linux Drive: Boot UUID and UEFI Files Freeze with SATA/USB Connection

Learn how to resolve issues with a cloned Linux drive freezing during boot when connected via SATA or USB, caused by UEFI files and updated UUID references.

Benefit of Inode Count Customization in mke2fs

Customizing inode count in mke2fs can lead to a significant reduction in the number of inodes given to a filesystem, which in turn reduces the size of the filesystem. This article explains the process of manually setting the N parameter in mke2fs and its impact on the df output.

Disk Doesn't Show Automatically: A Hard Drive Restart Issue

If your hard disk isn't showing up automatically when you connect it to your computer, follow these steps to resolve the issue. In this article, we'll cover solutions for both Windows and Linux systems.

Linux Not Booting from USB Drive Server: Troubleshooting Steps

Learn the troubleshooting steps for Linux not booting from a USB drive server. Try different methods like installing from USB, live boot, and using different distributions.

MSSurfaceBook2: Debian Linux Installation - Surface Custom Kernel Reinstall Fails

This article provides a solution for users who encounter issues during the reinstallation of the custom Linux kernel on Debian-based systems on Microsoft SurfaceBook2.

Preventing Programs from Writing to Partition: A Tech Support Guide

Learn how to prevent certain programs from writing to your important partition in this tech support article. Find examples and steps to grant access to specific applications.

Linux Not Booting from USB Drive: Troubleshooting Installation

This article provides solutions to common issues encountered while installing Linux from a USB drive. If you're experiencing problems with Linux not booting from the USB drive, this article is for you. We cover various troubleshooting steps, including checking the USB installation media, updating the BIOS settings, and trying different distributions.

Accessing SSL Cert Key for Rootless Podman Container on Fedora CoreOS with SELinux Active

This article explains how to grant access to SSL cert keys for a rootless Podman container on a Fedora CoreOS machine with SELinux active.

Running Equivalent Linux .desktop File Commands on Windows

Learn how to run equivalent Linux .desktop file commands on Windows. Discover how to create a file that launches a terminal, despite having Linux habits and reflexes.

Boosting Encrypted Persistence on Kali Linux Live USB

Learn how to increase the amount of encrypted persistence storage on a Kali Linux Live USB using LUKS encryption written to a DD image.

Bulk Rename Utility: Stop Adding '010' Instead of '001'?

A user is experiencing an issue with Bulk Rename Utility, where it is adding '010' instead of '001' to file names. This article provides a solution for this problem.

Dual Booting Debian Trixie XFCE on MacBook Pro (2019) Intel CPU T2 chip: No Audio

This article provides a solution for users who face no audio issue while dual booting Debian Trixie XFCE on MacBook Pro (2019) with Intel CPU T2 chip. Follow the steps below to resolve the issue.

Understanding Tmux Colored Prompt Outside of Tmux: Get Colored Prompt in Non-Tmux Shells

A new user is wondering how to get a colored prompt for their machine name and working directory outside of Tmux, which is the default in Ubuntu terminal. Here's a solution.

Tmux: Highlight Machine Name and Working Directory

A new user wonders how to highlight the machine name and working directory in Tmux. By default, Ubuntu terminal does not support this feature. However, there are minor customizations that can be made.

Is It Illegal to Download Modified GNU GNU2.0 Licensed Software?

Users often find software with GNU GNU2.0 licenses that offer support services at different prices. Some sites sell software with modified licenses. Is it illegal to download such software?

Exporting Specific Files with ForFiles: A Comprehensive Guide

Learn how to use ForFiles to export and delete files older than 180 days on Windows, Linux, and MacOS. Follow this step-by-step guide to effectively manage your files.

Different Results from 'ping getent hosts' on Different Systems

This article discusses the possible reasons for different results obtained when running the 'ping getent hosts' command on different systems.

Intel CPU Frequency Limitations with Heavy Multithreaded Load on Linux Mint

This article discusses Intel CPU frequency limitations when dealing with heavy multithreaded loads on Linux Mint systems, specifically with an Intel i5-13600 CPU, an all-in-one water cooler, and an MSI MAG Z790 Tomahawk motherboard.

SSD Cloning from Windows 10 to USB: SSD Read-Only in Linux

Learn how to resolve SSD read-only issues when cloning from Windows 10 to a USB drive in Linux.

Assigning Static IP Address to Hyper-V Guest (Ubuntu) with Different Ranges than ISP

Learn how to assign a static IP address to a Ubuntu Hyper-V guest with a different range than the ISP. Follow this step-by-step guide to configure network settings in Hyper-V Manager and Ubuntu.

Put Escalated Cost Value Every n-th Column: A Tech Support Guide

Learn how to put escalated cost values every n-th column in Excel using formulas. Follow our step-by-step tech support guide.

Configuring Properly irqs for Balanced Network Traffic on Debian 12

A Debian 12 machine shows significant difference in softirqs between /proc/softirqs NET_RXCPU1 and CPU0. This article explains how to configure proper irqs for balanced network traffic.

Troubleshooting 'Corrupted File Yields Error: File Not Accessed (System)' When Accessing WSL App

Experiencing issues with accessing a corrupted file while using a WSL app? Learn common solutions and troubleshooting steps.

Kali Linux: Zsh Corrupted History File - Access Denied

Users of Kali Linux encountering an issue with a corrupted Zsh history file, which results in access denied errors. This article explains possible causes and solutions to resolve the issue.

Ensuring SSHD Update/Restart on BeagleBone Debian

Learn how to ensure your SSHD is updated and restarted on a BeagleBone Debian system when it becomes unreachable.

Linux Debian: HORN (Hibernate) Configuration Ignores resume option

A user is experiencing issues with their Debian Linux system where Hibernate (HORN) is not resuming properly despite the resume option being set. In this article, we will suggest potential solutions to resolve the issue.

Determining If Enough Space is Available in Destination Drive for rsync Dry Run

This article explains how to use rsync's dry run feature to check if there is enough space on the destination drive before performing a backup.

Connection Refused: Trying to Connect Linux Server (XX.XX.XX.XX) for Java Application

This article explains how to troubleshoot a Java application that fails to connect to a Linux server with a 'Connection Refused' error. It covers checking server status and network connections using netstat.

Enabling Required Options for QEMU in Debian

This article explains how to recompile a Debian kernel to enable required options for QEMU (8.2.1) installation using Homebrew on Mac. Follow the steps below to set up QEMU with hvf=mce and other necessary options.

Unable to Load Nobara Alongside Installed Ubuntu

Users report facing issues while loading Nobara alongside an already installed Ubuntu system. This article covers possible solutions to help you resolve the problem.

Failed to Mount API Filesystems on Cloned Drive: Native VBox Differences and Solutions

Experiencing issues with failed mount API filesystems on a cloned drive when using Native VBox? Learn the differences in partition UUIDs and find solutions to get your system booting again.

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