Articles in Linux | UserComp.com

How to Use Multiple Displays with Windows VM Using QEMU?

Learn how to configure and utilize multiple displays with Windows VM using QEMU and Libvirt. Increase your productivity and enhance your virtual machine experience.

Keep a WSL2-mounted ext4 drive persistent and available to Windows after closing the WSL window

Learn how to keep a WSL2-mounted ext4 drive persistent and accessible in Windows even after closing the WSL window. Follow these steps to ensure seamless integration between Windows and WSL2.

How to Downgrade Libreswan Version Inside Docker Alpine

Learn how to downgrade the Libreswan version inside a Docker Alpine container. This article provides step-by-step instructions and highlights the importance of maintaining the desired version for compatibility and stability.

How to Ping WSL2 Ubuntu from Windows Host

Learn how to ping WSL2 Ubuntu from your Windows host machine. This article provides step-by-step instructions on establishing network connectivity between WSL2 Ubuntu and Windows, enabling seamless communication.

Squid Proxy Block it RDP Connections, Solution?

Learn how to resolve the issue of Squid Proxy blocking RDP connections. This article provides a solution to overcome this problem and ensure seamless remote desktop access. Explore more articles on networking, remote desktop, proxy, iptables, and squid.

Troubleshooting Debian 11 Not Starting into Desktop After Improper Shutdown

Learn how to troubleshoot and fix the issue of Debian 11 not starting into the desktop after an improper shutdown. Explore solutions related to VirtualBox, Debian, desktop, and package management.

Postfix Bouncing Valid Emails: How to Troubleshoot and Resolve the Issue

Learn how to troubleshoot and resolve the issue of Postfix bouncing valid emails. This article provides step-by-step instructions and tips to help you fix the problem and ensure successful email delivery.

How to Rebuild and Install RISC-V Kernel Cross Compile

Learn how to rebuild and install RISC-V kernel cross compile using Linux and Make. This article provides step-by-step instructions and tips to successfully compile and install the RISC-V kernel on your system.

WD Elements portable: /dev/sg entry but no /dev/sd on Linux

Learn how to troubleshoot the issue of WD Elements portable hard drive having only /dev/sg entry but no /dev/sd on Linux. Find solutions to ensure proper recognition and usage of your WD Elements portable drive.

MobaXterm and WinSCP Disconnect from My Connection Due to Sudden Inactivity

Encountering disconnection issues with MobaXterm and WinSCP due to sudden inactivity? Learn how to troubleshoot and resolve this problem on Linux and Ubuntu systems.

Can Apache be gracefully restarted without clearing the mod_cache_socache cache?

Learn how to gracefully restart Apache without clearing the mod_cache_socache cache in Linux. This article provides step-by-step instructions and helpful tips for managing your Apache server efficiently.

Can Apache be gracefully restated without clearing the mod_cache_socache cache?

Learn how to restart Apache gracefully without clearing the mod_cache_socache cache in Linux. This article provides step-by-step instructions and troubleshooting tips for managing the Apache HTTP server and optimizing cache performance.

Prevent kf.dbusaddons: DBus session bus not found

Learn how to prevent the kf.dbusaddons: DBus session bus not found error on Ubuntu and KDE Plasma 5. Follow the provided command to circumvent this issue and ensure a smooth experience with your KDE Plasma workspace.

Web Based Email Client for Postfix: How to Access Your Postfix Emails Online

Learn how to access your Postfix emails online with a web-based email client. This article provides step-by-step instructions on setting up and using a web-based email client for Postfix, allowing you to conveniently manage your emails from any device with an internet connection.

Fixing Disappearing Session and Date/Time in Byobu's Multi-Line Status Bar

Learn how to resolve the issue of session and date/time disappearing when making Byobu's status bar multi-line using tmux. Follow these steps to fix the problem and ensure a seamless experience.

Synology NAS: deleted files but space won't go down

Learn how to troubleshoot the issue of deleted files not freeing up space on your Synology NAS. Discover potential solutions using Linux commands like du to understand disk usage and resolve the problem.

USB Created with Fedora Media Writer Does Not Boot

Encounter issues with booting a USB created using Fedora Media Writer? Read this article to troubleshoot and resolve the problem.

Debian Installer Doesn't Allow for Specific LUKS Combination of Multiple Drives

Learn how to overcome the issue of Debian Installer not allowing a specific LUKS combination of multiple drives. This article provides step-by-step instructions and troubleshooting tips.

Can't scp files with long/weird filenames: Invalid argument

Encountering an 'Invalid argument' error when attempting to scp files with long or weird filenames? This article explains the possible causes and provides solutions to overcome this issue on Unix systems. Learn how to handle file transfers and manage file names effectively on vfat filesystems.

Fixing the 'Unsupported key' Error when Running a Script from Zabbix GUI

Learn how to resolve the 'Unsupported key' error that occurs when running a script from Zabbix GUI. This article provides step-by-step instructions for troubleshooting the issue in a Linux environment, specifically Ubuntu. Discover how to ensure compatibility with bash, python, and mysql, and get your scripts running smoothly in Zabbix.

Exim4 E-mails Not Going Out: Troubleshooting Guide

Having trouble with Exim4 e-mails not being sent from your Ubuntu system? This troubleshooting guide will help you identify and resolve the issue, ensuring smooth email delivery.

Keeping the Screen Turned off While Getting Inputs

Learn how to keep your screen turned off while receiving inputs on Linux. This article explores the use of xrandr and dpms to achieve this functionality.

Move Linux system to new SSD alongside with Windows

Learn how to transfer your Linux system to a new SSD while keeping Windows intact. This article provides step-by-step instructions for partitioning, file transfer, and optimizing your system for improved performance.

Troubleshooting: Cannot Reboot after Failing to Install Kubuntu

Having trouble rebooting your system after a failed Kubuntu installation? This article provides troubleshooting steps and solutions to help you get your system up and running again.

Troubleshooting Access to /dev/mem as a Normal User

Learn how to troubleshoot and resolve the issue of not being able to access /dev/mem as a normal user on your Raspberry Pi. Understand the importance of memory access and find solutions to overcome this limitation.

Pass output of tmux command into later pane command

Learn how to pass the output of a tmux command into a later pane command in Linux. This article provides step-by-step instructions and examples to help you optimize your workflow and improve productivity.

Uninstalling Debian glibc 2.28-10+deb10u2 - Tech Support Guide

Learn how to uninstall Debian glibc 2.28-10+deb10u2 with our comprehensive tech support guide. Follow step-by-step instructions to remove glibc and troubleshoot related issues.

Setting the nodefs for kubelet

Learn how to set the nodefs for kubelet in order to optimize disk space usage and improve performance in your Kubernetes cluster.

Troubleshooting systemd-networkd DenyList= Issue

Learn how to troubleshoot the systemd-networkd DenyList= not working issue on Linux. This article provides step-by-step instructions and solutions to resolve the problem.

Troubleshooting Fern Wifi Cracker: Solutions for when it doesn't work

Encountering issues with Fern Wifi Cracker on Kali Linux? This article provides troubleshooting solutions to address common problems when the software fails to work. Explore fixes and optimizations to enhance your experience with this powerful tool.

Squid Proxy Block it RDP Connections, Solution?

Learn how to solve the issue of Squid Proxy blocking RDP connections. This article provides a step-by-step solution for configuring Squid Proxy with iptables to allow RDP connections on Linux.

How to Route Mail through a WireGuard Tunnel for Self-Hosted Domains

Learn how to route (send) mail through a WireGuard tunnel when sending email from one of your self-hosted domains. This article provides step-by-step instructions for configuring WireGuard on Ubuntu, setting up Postfix, and using pfsense for tunneling. Start securing your email communications today!

Perform Lookup on Two Files

Learn how to perform a lookup on two files using shell scripting, bash scripting, and Perl. This article provides step-by-step instructions and examples to help you compare and search data in two files efficiently.

Multi Errors Fixing Grub and Boot - A Guide for Linux Users

Learn how to fix multiple errors related to Grub and boot in Linux. This comprehensive guide provides step-by-step instructions and troubleshooting tips for resolving common issues. Whether you're facing problems with mounting drives or encountering boot failures, this article will help you get your system up and running smoothly.

Unable to Access Internet on Ubuntu Machine Connected to Windows Machine Using Ethernet

Having trouble accessing the internet on your Ubuntu machine connected to a Windows machine via Ethernet? This article provides troubleshooting steps and solutions to help you resolve the issue and get back online.

Upgrade Oracle Linux 7.8 (OL7) to Oracle Linux 8.4 (OL8) - Using leapp the target parameter is not respected

Learn how to upgrade your Oracle Linux 7.8 (OL7) to Oracle Linux 8.4 (OL8) using leapp. Discover a common issue where the target parameter is not respected and find the solution.

Fixing Endless USB Drive Writes on Kali Linux

Discover how to resolve the issue of Kali Linux continuously writing to your USB drive. Learn effective partitioning techniques and troubleshooting methods to prevent this problem and optimize your system's performance.

Camera Streamer Breaks Udev Monitoring

Learn how to troubleshoot issues with camera streamers breaking udev monitoring on Linux. This article provides step-by-step instructions to resolve the problem and ensure smooth operation.

High CPU Usage When Starting Process with systemd

Learn how to troubleshoot high CPU usage when starting a process with systemd. This article provides step-by-step instructions to identify and resolve the issue, ensuring optimal system performance.

How to Connect to Wine/Linux via Remote Desktop on Windows OSes

Learn how to connect to Wine/Linux via remote desktop on Windows operating systems. This article provides step-by-step instructions for seamless remote access.

How to Exclude Directories and Subdirectories from du/diff Command Calculations

Learn how to exclude directories and subdirectories from du/diff command calculations in Linux. By excluding specific folders, you can optimize the calculation results and focus on the relevant data. Follow these step-by-step instructions to enhance your disk usage analysis and file comparison tasks.

Forwarding www traffic through a remote computer

Learn how to forward www traffic through a remote computer using Linux, SSH, iptables, and socks5. This article provides step-by-step instructions and tips for seamless network configuration.

Cloning Ubuntu with dd: Boot and EFI File Issues

Encountering boot issues or invalid EFI files after cloning Ubuntu using dd? This article provides solutions and troubleshooting steps to resolve these problems effectively.

How to make samba share show free space correctly?

Learn how to resolve the issue of incorrect free space display on a Samba share. This article provides step-by-step instructions for fixing the problem and ensuring accurate space information.

Change Save-As Dialog in Ubuntu 23.04: A Step-by-Step Guide

Learn how to customize and modify the save-as dialog in Ubuntu 23.04 using GTK. This article provides a comprehensive step-by-step guide to help you personalize your file-saving experience.

Executing easyrsa sign-req script in batch mode

Learn how to execute the easyrsa sign-req script in batch mode for efficient VPN configuration. This article provides step-by-step instructions and tips for automating the signing process using easyrsa. Enhance your VPN setup with this time-saving technique.

How to Shrink Sparse Files in Linux After Copying Them Without the -S Operator