Articles in Linux | UserComp.com

Sudden Stoppage of Functioning USB Devices on Ubuntu 22.04.3 LTS

Some USB devices have unexpectedly stopped functioning on Ubuntu 22.04.3 LTS, despite working properly for years. This article provides suggestions for troubleshooting and resolving the issue.

Can Antivirus Run in Docker Containers on Alibaba Cloud Linux 3?

Learn whether antivirus software can run effectively in Docker containers on Alibaba Cloud Linux 3.

Identifying Corrupt Lines in Armored GPG Payloads

Learn how to identify corrupt lines in armored GPG payloads. Understand the essence of armored GPG text, its 64 character limitation, and techniques to detect and correct errors.

SSH and OpenSSL: Decrypting RSA Private Keys with ssh-add and openssl pkeyutl

In this tech support article, we will explain how to use OpenSSL's pkeyutl command to decrypt an RSA private key that has been encrypted using the ssh-add command. We will also create handy aliases for encrypting and decrypting the key.

Parrot Security: Unable to Boot New 6.5 Kernel

Users of Parrot Security Linux encounter a kernel panic error during boot after upgrading to 6.5 kernel. This article provides suggested steps to resolve the issue.

MDRAID10 Extremely Slow Random Writes: A Solution for OpenSuSE 15.4

Users of OpenSuSE 15.4 with MDRAID10 SATA drives reporting slow random write speeds. This article provides a possible solution to this problem.

Linux Mint GRUB Detection in Windows Multiboot System: A Step-by-Step Guide

This article explains how to detect and configure GRUB in a Linux Mint multiboot system with Windows. Learn how to ensure both operating systems can boot using UEFI.

Debian Bookworm: Long Delay in Starting Applications via SSH-X

A new installation of Debian Bookworm on a laptop results in a significant delay when starting applications via SSH-X, such as gedit, with an estimated delay of approximately 25 seconds.

RSync Much Slower with Python Script Syncing?

Users have reported slower Rsync performance when using Python scripts for syncing. This article explores the potential causes and offers solutions to improve the syncing process.

WSL2 Crashing on ARM-based Surface Pro X: A Solution for Ubuntu Users

Some Ubuntu users on ARM-based Surface Pro X devices have reported WSL2 crashing after upgrading from WSL1. In this article, we will discuss a potential solution to this problem.

How to View History Changes, Moved or Deleted Files in Git

Learn how to view history changes, moved or deleted files in Git. This tutorial covers the basics of Git and its commands for tracking file modifications and recovering deleted files.

Convert OpenSSH ed25519 private key to OpenSSH format for MySQL Workbench

Learn how to convert an OpenSSH ed25519 private key to the OpenSSH format required for MySQL Workbench.

Putty Session Opens Blank Screen: A Solution for Ubuntu VPS Users

If you're using Putty to connect to an Ubuntu VPS and the session opens with a blank screen, this article provides a solution to the issue.

Setting up RPI3 with Docker, Portainer, WordPress, Google Domain, and No-IP DDNS

This article guides you through setting up an RPI3 with Docker, Portainer, WordPress, Google Domain, and No-IP DDNS. It covers steps to set up the RPI3, static IP, install Docker and Portainer, and install WordPress with necessary plugins.

Configuring Bird and WireGuard for a Tunnel with IPv4 Subnet Announcement

This article explains how to configure Bird and WireGuard for a secure IPv4 tunnel with subnet announcement. It uses the example of a /24 subnet (e.g., 203.0.113.32/27) to illustrate the steps.

Shrew Configuration: Unable to Allow Traffic for VPN Connection

Users report being unable to allow traffic for VPN connections using the Shrew software. This issue has been encountered on various platforms and despite attempts to configure policies in the Shrew client, the problem persists. This article will provide some troubleshooting steps to help resolve the issue.

Strange White Screen Lines at Garuda Linux Login Screen

Users of Garuda Linux report seeing strange white screen lines during the login process, which may appear for 1-2 seconds or less. This article provides suggested solutions to help resolve the issue.

Embedded Linux (Ubuntu 3D): Deconvolution Coding Not Working

Users report issues with deconvolution coding not working in Embedded Linux Ubuntu 3D. This article provides potential solutions to help troubleshoot and resolve this problem.

VirtualBox: Host-Bridged Network Adapter Sometimes Starts, Sometimes Not on CentOS 7 for VM with Multiple Kubernetes Installations

Users attempting to learn Kubernetes with multiple VMs on CentOS 7 encounter issues with the VirtualBox Host-Bridged Network Adapter sometimes starting and sometimes not. This article offers potential solutions.

Why is e2fsck-c flag causing slow performance?

When running the e2fsck command with the -c flag to check and mark bad blocks in an ext4 filesystem, the process can become slow. This article explains possible reasons for the performance issue and provides potential solutions.

Speeding Up e2fsck: Bad Blocks Testing with Lbadblocks.txt and -c

In this tech support article, we will discuss how to potentially speed up e2fsck testing by using the Lbadblocks.txt file and the -c option. We will explain what these options do and how they can help in getting bad blocks information more efficiently.

Possible Scenario: Upgrading Linux Installed on a Windows 10 System using Ventoy

Learn how to safely upgrade a Linux installation on a Windows 10 system using Ventoy.

Troubleshooting Strange White Screen Lines at Linux Login

Users of Garuda Linux have reported encountering strange white screen lines during the login process. This article provides suggestions for resolving the issue.

Fedora 39 Home Server: Samba Share Error with Separate /home Partition

A user reports encountering a Samba share error on a freshly installed Fedora 39 home server, specifically with a separate /home partition.

LXTerminal Doesn't Display Hindi Characters Correctly: A Solution for Chinese Users

This article provides a solution for Chinese users who encounter the issue of LXTerminal not displaying Hindi characters correctly. The article will discuss the possible causes of this problem and suggest a workaround to improve the display of Hindi characters in LXTerminal.

Finding CPU Spike in Linux Past 2 Days: A Simple Guide

Learn how to find CPU spikes in Linux systems using the sar command for the past 2 days.

Remapping Key Combination: Meta + Arrow Keys in Arch Linux KDE Plasma 5.27 Wayland

Learn how to remap the Meta + Arrow Keys key combination in Arch Linux KDE Plasma 5.27 Wayland compositor for a better user experience. This guide explains the process for using Function keys as an alternative.

Resolving Opipefail Issue in SSH Linux Commands

Learn how to resolve the Opipefail issue when using SSH commands in Linux. This article provides examples and explanations to help you understand and troubleshoot this common problem.

Resolving Boot Device Not Found Issue After Deleting Windows Partition with Gparted

Learn how to fix Boot Device Not Found error after deleting Windows partition using Gparted in a dual boot system.

Linux Server: Bandwidth Test Doesn't Change TCP Tuning Process

This article discusses whether it's possible to carry out TCP tuning using genetic algorithms while conducting a bandwidth test on a Linux server. The author shares their research and experiences in writing a Python script for this purpose.

Setting Dual-Boot Priorities for a Samsung 870 EVO 2TB Drive with Windows 10

Learn how to set the boot priorities for a Samsung 870 EVO 2TB drive with Windows 10 installed, ensuring the correct operating system boots automatically.

Fixing Routes with OpenVPN Client using HTTP Proxy on Commercial VPN Servers

Learn how to configure OpenVPN client to use an HTTP proxy on a reputable commercial VPN server for enhanced security and internet access.

Skipping Acquire: Configured File Not Found in non-free firmware/binary-i186/Packages repository

While updating or installing packages in Debian, an error message 'Skipping acquire: configured file not found in non-free firmware/binary-i186/Packages repository' may appear. This issue occurs when the Debian repository does not support the i186 architecture. In this article, we will discuss the possible solutions to resolve this error.

Simple Bash Script to Delete Files Fails on Ubuntu

A user is trying to run a simple Bash script on Ubuntu to delete files, but the script is failing. The script first runs a certificate cleaner (aside from a 'hello world' script), but the file deletion command is not working.

Cygwin: Less Command Not Saving Paged Text File

Users of the Cygwin terminal on Windows report that the Less command is not saving the text file after paging through it. This article provides a solution to the issue.

Red Hat 6: PulseAudio Not Working with X-Forwarding in VirtualBox

Learn how to resolve the issue of PulseAudio not working with X-Forwarding in VirtualBox when running a Red Hat 6 host and a Windows VM. This article provides a simple solution for enabling audio in VirtualBox.

Remote Access to libvirtd not Working: Troubleshooting virt-manager and SSH

This article provides a solution to the issue of remote access to libvirtd through virt-manager and SSH not working. It covers error messages encountered and suggests steps to troubleshoot the issue.

InfluxDB Connection Fails: 401 Error - Authorization Failed

Learn how to troubleshoot and resolve InfluxDB connection issues with a 401 error message and 'authorization failed' status.

Setting up OpenWRT, Proxmox, and OpenVPN: A Comprehensive Guide

In this article, we will walk you through the process of setting up OpenWRT, Proxmox, and OpenVPN to establish a secure and reliable connection. Learn how to containerize OpenVPN on OpenWRT and configure it with Proxmox for optimal performance. Try not to miss this tech support article.

Understanding 'null' Output in lsblk Command within an Arch Linux Docker Container

When running the lsblk command within an Arch Linux Docker container, several fields return 'null'. This article explains why and provides solutions.

How to Disable Certain CPU Cores in Linux Scheduler Without Rebooting

Learn how to disable certain CPU cores in Linux scheduler without rebooting. This article explains the process using the iso-cpus command.

Adding a Second IP/32 Static Routing: Potential Unintended Issues?

Learn about potential unintended issues when adding a second IP address with a /32 subnet and static routing on a Debian machine.

Unable to Access Nextcloud Archive via Internet with Nginx Reverse Proxy

This article explains how to troubleshoot and resolve the issue of not being able to access a Nextcloud archive via the internet using an Nginx reverse proxy server.

Inheriting Color Schemes in Non-Qt Applications: An Alternative to KDE's kreadconfig5

Learn how to inherit color schemes from Qt applications in non-Qt applications without using KDE's kreadconfig5.

Enabling SELinux on Debian-based Systems: A Solution for Parrot OS Users

Learn how to enable SELinux on Debian-based systems, specifically for Parrot OS users who are encountering issues during the enabling process.

Configuring WireGuard for Linux: Allowing WebRTC Leaks

Learn how to configure WireGuard on Linux to allow WebRTC traffic outside the tunnel for improved privacy.

Making Local KVM Guests Accessible via Public IPv4 Addresses on a Debian 12 Home Server

Learn how to make KVM guests accessible via public IPv4 addresses on a Debian 12 home server.

Raspberry Pi 3: Disconnecting Raspotify/Librespot from Spotify Connect Immediately

This article explains how to disconnect Raspotify or Librespot from Spotify Connect on a Raspberry Pi 3. Follow the steps to ensure your phone doesn't control the output speakers connected to the Raspberry Pi.

Nftables Configuration for NAT using IPsec Tunnel on Raspberry Pi

Learn how to configure Nftables for Network Address Translation (NAT) with an IPsec tunnel on a Raspberry Pi device. This tutorial covers setting up two network interfaces (eth0 and eth1), establishing an IPsec tunnel using StrongSwan, and mapping the local network (10.130.X.0/24) remotely.

Hide output of 'nmclinetwork' command in terminal

Learn how to hide the output of the 'nmclinetwork' command in the terminal on a Linux system.