Articles in Linux | UserComp.com

Uninstalling Seahorse/Gnome-Keyring: A Step-by-Step Guide

Learn how to uninstall Seahorse and Gnome-Keyring on your Linux system. Follow these steps carefully to ensure a complete removal.

Wezterm Start Failure: Proxies Attached Issue in Plasma Window Frame

This article discusses the Wezterm start failure issue when proxies are attached in a Plasma window frame. Users may encounter this problem when the Wezterm window does not launch or starts and then quits immediately. This article provides suggestions for troubleshooting and potential solutions to help you get Wezterm running again.

Jerky Scrolling in Ubuntu: A Love-Hate Relationship with Linux and Windows

Experience jerky scrolling in Ubuntu but can't go back to Windows? Learn how to troubleshoot and solve this issue while maintaining your love-hate relationship with both operating systems.

Quitting Mosh Inside Tmux: A Tech Support Solution

Learn how to quit Mosh while it's running inside Tmux with a simple key combination.

Fixing Computer Boot Issue After Installing Ubuntu 22.04 Next to Windows on HP ProBook 470G2

Learn how to resolve computer boot issues after installing Ubuntu 22.04 alongside an existing Windows 10 installation on an HP ProBook 470G2. This article covers the Ubuntu installer taking care of shrinking Windows partitions and rewriting partitions.

Fixing Broken Ubuntu 22.04 Installation on HP ProBook 470G2 alongside Windows 10

Learn how to fix a broken Ubuntu 22.04 installation on an HP ProBook 470G2 laptop, which was installed alongside Windows 10. This guide covers shrinking partitions, rewriting GUID partitions, and using the Ubuntu installer to resolve the issue.

Troubleshooting DNS Wildcard Domains: github.com Case Study

In this tech support article, we'll explore a common DNS issue where nslookup and curl commands return unexpected wildcard host results for a specific domain, using github.com as a case study. We'll discuss potential causes and solutions for this issue.

MokLinuxError: Volume Full; Not Bootable on Old ASUS Laptop

An old ASUS laptop with a clean SSD fails to boot after attempting to install Ubuntu, encountering a MokLinuxError: Volume Full.

EFI Boot Table Entry Override Timeout with GRUB

Learn how to override the EFI boot table entry timeout using GRUB. This article explains the process with examples and common uses to identify the system root.

Debian System Assigning Self-Assigned 169.254 IP Address to eth0

Users report an issue where Debian systems, specifically BeagleBone, assign self-assigned 169.254.*.* IP addresses to the eth0 interface despite configuring a static address. In this article, we'll explore potential solutions to resolve this issue.

Debian on BeagleBone: Self-Assigned IP Address on eth0 (169.254..)

Users report encountering self-assigned IP addresses (169.254.*.*) on the eth0 interface while configuring Debian on a BeagleBone. This issue may occur despite setting a static address in the interfaces file. In this article, we'll explore possible solutions to resolve the self-assigned IP address issue on Debian BeagleBone.

Netlink Wakes PC: Linux Mint Machine Activation

Learn how to activate and use Wake-on-LAN (Magic Packet) feature on a Linux Mint machine. The process involves configuring the network interface and enabling the necessary services.

Manually Closing Popups in Vim: A Comprehensive Guide

Learn how to manually close popups in Vim and NVim when the automatic closing feature is not working. Follow this step-by-step guide to regain control of your terminal.

Find Command Not Finding Files: Specify Folder for Accurate Results

Learn how to use the find command effectively to locate files in Linux by specifying the correct folder or directory.

NGINX Serving React Single Page Application: Handling Custom File Query String Default File Does Not Exist

Learn how to configure NGINX to handle custom file query strings and return a default file when the requested file does not exist in a React Single Page Application.

Accessing Linux Files on an External Drive Connected to Windows 10

Learn how to access Linux files on an external drive connected to a Windows 10 system. This guide covers using drag-and-drop and setting up an NTFS drive.

Permission Denied While Creating Packer Build: Troubleshooting Shell Script Execution

Learn how to troubleshoot and resolve permission denied errors while creating Packer builds, focusing on shell script execution.

Bash: Creating a Function with Default Parameters using Abstracting echo

In this tech support article, we will explain how to create a Bash function with default parameters using the 'abstracting echo' technique. We will demonstrate this using an example function named 'tst'.

SSHFS Permissions with Qemu/Libvirtd for NAS Shares

This article explains how to set up SSHFS permissions for NAS shares using Qemu and Libvirtd. Follow the instructions below to configure the user's home directory for accessing the NAS share with Virt-Manager.

How to Manually Add Hetzner Default Gateway for Private Network in Tech Support: A Step-by-Step Guide

Learn how to manually add the Hetzner default gateway to your private network in tech support. This step-by-step guide covers the process for various systems, ensuring your system can ping google.com.

Configuring DNS Servers in Kalilinux: db.system.com and db.testing.com

Learn how to configure DNS servers in Kalilinux for db.system.com and db.testing.com. This article provides a step-by-step guide to setting up BIND data files and loopback interfaces.

Cannot Access Server After Reinstalling VPS on Chromebook with Linux

User encountered issues accessing their server after reinstalling a VPS image on a Chromebook running Linux. The user went through various settings changes and ended up in a loop, deciding to reinstall the image. However, they cannot access the server now.

Understanding Sudo File Permissions and Access to 'file.txt'

In this tech support article, we'll explain why a user without permission can still read the contents of 'file.txt' using the 'sudo' command. This may seem confusing, but it's due to the way file permissions interact with sudo.

$LaTeX File Not Running in TeXmaker on Fedora (for MacOS Users): Error: 'could not start command: biber'$

LaTeX File Not Running in TeXmaker on Fedora (for MacOS Users): Error: 'could not start command: biber'

This article provides a solution for MacOS users who encounter an error 'could not start command: biber' while running LaTeX files in TeXmaker on Fedora.

Debian Apache2 Host with Three Virtual Hosts: Accessing Virtual Host Pages from Another Device Network

This article provides a solution for accessing virtual host pages served by an Apache2 web server running on a Debian host from another device connected to a different network.

Making Makefile Information Copyable: A Tech Support Guide

Learn how to make Makefile information copyable with the help of this tech support guide. Follow the steps to select and copy corresponding information using the properties file.

NFTables: Using Ethereum Addresses for Forward Chain Filtering

Learn how to use Ethereum addresses for filtering traffic in NFTables, a next-generation firewall technology.

Linux Proximity Text Search: Find Files with Two Words within 99 Characters

Discover how to perform a proximity text search in Linux terminal, finding files containing two words within a specified distance. Learn the command and its usage for efficient file searching.

Accidentally Turned on 'Freespace': Retrieve Partition

Learn how to recover a partition mistakenly labeled as 'Freespace' using the correct command.

Troubleshooting: Bash Terminal Switches to WSL Mode Unexpectedly on Windows 10

Users report that running bash commands in the terminal causes it to switch to WSL mode automatically, which can cause issues with scripts. This article explains the possible causes and solutions for this behavior.

NIC Intermittently Receiving Many Duplicate TCPACKs: Troubleshooting HTTP Traffic Spikes

Experiencing intermittent spikes in response time for HTTP() traffic over WiFi? Learn how to identify and resolve the issue of your NIC receiving many duplicate TCPACKs.

Access Home Network Behind CGNAT with Nested Wireguard Tunnels

Learn how to set up nested Wireguard tunnels to access your home network behind a CGNAT (Carrier-Grade NAT) using a VPS.

Unable to Mount Disk Image: Creating Arch - Tech Support

This article provides a solution to the issue of being unable to mount a disk image while creating Arch using the command 'sudo dd if=/dev/sdX bs=8M | pv -cN source | zstd | pv -cNzstd > out.img.zst'.

File Caching: Local Disk - Transparent Processes Creating Files One by One

This article discusses an issue where transparent processes are creating files one by one in the local disk, impacting file caching performance. It covers potential causes, such as tcmalloc and heap profiler files, and provides suggestions for resolving the issue.

VirtualBox Ubuntu Guest OS Keyboard/Mouse Input Not Working During Screen Lock on HPE EliteBook 650

Users report that the keyboard and mouse input stop working during screen lock on Ubuntu Guest OS in VirtualBox on HPE EliteBook 650. This article provides suggested solutions to resolve the issue.

Creating TLS-CRYPT-V2 Key with Easy-RSA 3 for OpenVPN

This article provides a step-by-step guide on creating a TLS-CRYPT-V2 key using Easy-RSA 3 for OpenVPN.

Allocating Free Disk Space for Dual Boot (Fedora & Windows)

Learn how to allocate free disk space for a dual boot system with Fedora 40 Linux and Windows 10 operating systems.

Preventing Pinging of Docker Container with WireGuard Client in Network Lab

Learn how to prevent pinging of a Docker container running a WireGuard client in a network lab environment. This article provides step-by-step instructions for configuring the Docker network settings and WireGuard client to block incoming ICMP requests.

Error Installing Parrot Security Edition Version 6.0.1

Users encounter issues while installing Parrot Security Edition Version 6.0.1 from the official website. This article provides a solution to the installation error.

Troubleshooting pwquality_pam.so: Man Page Examples Says It's Not Behaving

Encountered issues with pwquality_pam.so not functioning as expected? This article provides insights from the man page and suggested troubleshooting steps.

Securing Sudo User Input: Avoiding 'Invalidoption' Errors in Bash and Sh

In this tech support article, we'll discuss how to prevent 'Invalidoption' errors when executing arbitrary commands as a specific user with Sudo. We'll cover the use of 'sudo -l' and setting user-specific profiles to improve security.

Ubuntu: VMware Full-Screen Mode Not Displaying Logged In Desktop

Users report an issue where Ubuntu installed with VMware does not display the logged-in desktop in full-screen mode. This article offers possible solutions.

SSH-RSA Disabled: Obtaining an RSA4096 GPG Key for SSH-RSA

Learn how to obtain and use an RSA4096 GPG key for SSH-RSA when default public-key authentication is disabled.

Unallocated Space Issue on Ubuntu 22.04.04: Home Server Shows 100GB Total Disk Space

Users report seeing a total disk space of 100GB on their Ubuntu 22.04.04 home servers. Upon checking the disk usage with lsblk, some unallocated space is detected. This article explains the possible causes and solutions for this issue.

Ubuntu Boot Error: Mute(Skip) Failure Writing Sector 0x5905c0 HD0

When booting Ubuntu, an error message appears: 'mute(skip) error: failure writing sector 0x5905c0 HD0'. Pressing Enter skips this error and allows Ubuntu to boot normally. In this article, we'll discuss possible causes and solutions for this issue.

Linux: systemd-resolved Not Answering Multicast DNS

A user is replacing networking facilities in their Linux system, removing NetworkManager, dnsmasq, dhcpcd, and avahi-daemon. The system seems to be working fine, except systemd-resolved is not answering Multicast DNS queries.

Can I Safely Install and Use K8s on a Personal Laptop with VirtualBox?

Users reported issues with K8s on their personal laptops when using VirtualBox. This article provides guidance on safely installing and using K8s on a laptop with VirtualBox.

Failed to Activate Online: systemd-networkd-wait-online.service on Raspberry Pi OpenMediaVault

While setting up a new home server using a Raspberry Pi 4 and OpenMediaVault 6, I encountered an issue with the systemd-networkd-wait-online.service. This article provides a suggested solution to help activate the online service.

Network Manager Created Default Wired Connection: Wired-1

The log file shows that Network Manager on a Linux system has created a new default wired connection named 'Wired-1'. This article explains what this means and how to manage your network connections.

Fedora 39/40 Package Install: Mirror Connection Failed (127.0.0.1)

Users upgrading from Fedora 39 to Fedora 40 are encountering errors during package installation. The error message states that the connection to the mirror server could not be established with IP address 127.0.0.1. In this article, we'll discuss possible causes and solutions for this issue.