Linux

Using Docker Engines with WSL: Changing Hostname for Eureka Clients Registration
Using Docker Engines with WSL: Changing Hostname for Eureka Clients Registration

Learn how to change the hostname of a Docker Engine in a WSL (Windows Subsystem for Linux) environment to enable Eureka clients registration.

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Kubuntu Crashes on Sleep Surface Laptop 3
Kubuntu Crashes on Sleep Surface Laptop 3

User reports Kubuntu 23.10 crashing upon sleep on a Surface Laptop 3. The system goes fully black, showing the cursor but unable to move or recover. Read more for possible solutions.

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Chips, Bank, Flash Disk: No Media (0 bytes) Installing Arch Linux with Rufus
Chips, Bank, Flash Disk: No Media (0 bytes) Installing Arch Linux with Rufus

Learn how to install Arch Linux on a Chips Bank Flash Disk using Rufus, despite encountering issues with no media detected.

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Chips, Bank, Flash Disk: No Media (0 bytes) Installing Arch Linux with Rufus
Chips, Bank, Flash Disk: No Media (0 bytes) Installing Arch Linux with Rufus

This article explains how to install Arch Linux on a USB flash drive using Rufus, despite encountering an issue where the drive appears as 'No Media (0 bytes)' in the BIOS settings.

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Possible Disable Password Authentication with Google Authenticator in Linux SSH Logins?
Possible Disable Password Authentication with Google Authenticator in Linux SSH Logins?

Learn how to disable password authentication and enable Google Authenticator for SSH logins in Linux systems.

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Speeding up Explorer.exe file transfer in WSL using rsync
Speeding up Explorer.exe file transfer in WSL using rsync

Learn how to use rsync to speed up large file transfers between Windows Explorer.exe and a WSL (Windows Subsystem for Linux) distribution.

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Rootless Docker Setup on Ubuntu 22.04: Failed to Start Application Container Engine
Rootless Docker Setup on Ubuntu 22.04: Failed to Start Application Container Engine

This article provides a solution for users encountering the error 'Failed to start application container engine (rootless)' while setting up rootless Docker on Ubuntu 22.04 with Docker version 25.0.1.

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Applying GNOME Terminal Colors to KDE Konsole
Applying GNOME Terminal Colors to KDE Konsole

Learn how to apply GNOME Terminal colors to KDE Konsole. A step-by-step guide to importing the color palette from one terminal emulator to another.

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Creating a QEMU-imgconvert Image for a Smaller SSD (475GB to qcow2)
Creating a QEMU-imgconvert Image for a Smaller SSD (475GB to qcow2)

This article explains how to create a QEMU-imgconvert image for a smaller SSD (475GB) while keeping a Windows installation and shrunk Bitlocker root partition. Follow the steps below to convert your image file.

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OpenSSL-AES-256-CBC: No Longer Decrypts Secrets Early 2022
OpenSSL-AES-256-CBC: No Longer Decrypts Secrets Early 2022

Users report encryption files saved with OpenSSL AES-256-CBC algorithm are no longer decrypting correctly since early 2022. This issue may affect various platforms including Linux.

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MySQL Server Won't Connect to Docker Container on Ubuntu 22.04
MySQL Server Won't Connect to Docker Container on Ubuntu 22.04

This article discusses the issue of connecting a MySQL server to a Docker container on Ubuntu 22.04 and provides potential solutions.

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Double Booting Windows 11 and Ubuntu 20.04 LTS on a New HDD
Double Booting Windows 11 and Ubuntu 20.04 LTS on a New HDD

Learn how to double-boot Windows 11 and Ubuntu 20.04 LTS on a new HDD. This step-by-step guide will help you boot both operating systems without using third-party software.

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Imported WSL Instance Folders Ownership Not Modified
Imported WSL Instance Folders Ownership Not Modified

When importing a WSL instance, the ownership of the development environment folders is not modified, resulting in issues for co-workers.

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Troubleshooting an Unexpected AWS EC2 Instance Reboot
Troubleshooting an Unexpected AWS EC2 Instance Reboot

An AWS EC2 instance in your company rebooted unexpectedly. Checked logs but couldn't find any reason. Let's explore possible causes and solutions.

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Playing 2x4 KVideos on Dual Monitors with FFmpeg in Linux
Playing 2x4 KVideos on Dual Monitors with FFmpeg in Linux

Learn how to play 2x4 KVideos on dual monitors using FFmpeg in a Linux machine. This article provides a step-by-step guide to configure the video settings and set up the display on your Ubuntu system.

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Unable to Boot Kali after Update: Seeking Help to Parse Logs
Unable to Boot Kali after Update: Seeking Help to Parse Logs

Encountered an issue with Kali Linux after an update, unable to boot. This article aims to provide guidance on parsing logs to help diagnose the problem.

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Adjusting System Clock with set-local-rtc in Linux: A Tech Support Guide
Adjusting System Clock with set-local-rtc in Linux: A Tech Support Guide

Learn how to use the set-local-rtc command to adjust the system clock in Linux. This tech support article explains the process of changing the third line in /etc/adjtime and provides a brief explanation of the command.

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Mounting VMware Shared Folder in Linux Guest (VMware Workstation 15) - Default Path
Mounting VMware Shared Folder in Linux Guest (VMware Workstation 15) - Default Path

Learn how to mount a VMware shared folder in a Linux guest using the default path in VMware Workstation 15.

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Cron Job Not Executing According to Schedule: Troubleshooting a Failed Cronjob
Cron Job Not Executing According to Schedule: Troubleshooting a Failed Cronjob

Learn how to diagnose and resolve issues with a cronjob that's not executing according to its schedule, using the example of a curl command.

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Setting Access to Multiple Proxmox Containers Outside of a Local Proxmox Server
Setting Access to Multiple Proxmox Containers Outside of a Local Proxmox Server

Learn how to set access to multiple Proxmox containers outside of a local Proxmox server, even without static IP addresses.

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Making Xterm Menus Sticky for Minimally Accessible Users
Making Xterm Menus Sticky for Minimally Accessible Users

Learn how to make Xterm menus sticky for users with disabilities, overriding every single action accessed via menus with brand new keyboard shortcuts.

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Cloudflare SSL Termination with Docker: Host vs. Containers
Cloudflare SSL Termination with Docker: Host vs. Containers

Learn about Cloudflare SSL termination and how it differs between using a host and Docker containers. Discover the benefits of using Docker containers for this setup.

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Putty: Reading Script Filenames - Yes or No?
Putty: Reading Script Filenames - Yes or No?

In Putty, does running a script prompt for each script file name? An example of this behavior is shown below: ``` way putty run script filenames? Redhat backend connecting.time gets list... ``` This article will explain.

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Making Symlink Contents Available for Users in CT-Data Group
Making Symlink Contents Available for Users in CT-Data Group

This article explains how to make the contents of symlinks available to users in the CT-Data group, both in the local data directory and on an external drive.

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Wireguard and Pi-hole: No Return Packets Received from Client
Wireguard and Pi-hole: No Return Packets Received from Client

This article provides a solution for Wireguard users experiencing no return packets received from the client when using Pi-hole DNS containers in a Docker network.

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Setting up Prosody XMPP server on WSL2: Unknown address for existing Windows machines
Setting up Prosody XMPP server on WSL2: Unknown address for existing Windows machines

This article outlines the steps to set up the Prosody XMPP server on a Windows Subsystem for Linux 2 (WSL2) system and connect existing Windows machines to it.

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Resolving doas and sudo Name Changes with SyncVTMUX in Linux
Resolving doas and sudo Name Changes with SyncVTMUX in Linux

When using doas as an alternative to sudo, you might encounter issues with name changes synced by SyncVTMUX. This article explains how to resolve the situation.

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Recovering from an Accidental 'rm-rf/' Command in Chrome OS
Recovering from an Accidental 'rm-rf/' Command in Chrome OS

Learn how to recover from an accidental 'rm-rf/' command in Chrome OS. This command, when run in developer mode, can cause significant data loss. Follow these steps to minimize damage and recover your data.

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Fixing $bashstart.sh: execve(/usr/bin/env): Function not implemented: root error
Fixing $bashstart.sh: execve(/usr/bin/env): Function not implemented: root error

This article explains possible causes and solutions for the 'Function not implemented' error encountered while running a $bashstart.sh script as a root user on a Linux system.

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Setting up Two PGbouncer Instances for Database Connection Pooling on CentOS 7.0 with Different Listening Ports
Setting up Two PGbouncer Instances for Database Connection Pooling on CentOS 7.0 with Different Listening Ports

In this tech support article, we will guide you through the process of setting up two PGbouncer instances for database connection pooling on a CentOS 7.0 single VM. Each instance will listen on a different port (6432 and another).

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Identifying DDOS Attacked Docker Process on CentOS 7 TellIP Server
Identifying DDOS Attacked Docker Process on CentOS 7 TellIP Server

Learn how to identify a DDOS attacked Docker process on a CentOS 7 TellIP server. Follow these steps to secure your server and maintain optimal performance.

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SCP Server <localhost> Failed: Troubleshooting SCP File Transfer
SCP Server <localhost> Failed: Troubleshooting SCP File Transfer

This article provides a step-by-step guide to troubleshoot SCP file transfer issues when the SCP server <localhost> fails. Learn how to authenticate and resolve common connection errors.

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Installing Multipass on Debian 12 (Bookworm) WSL: A Step-by-Step Guide
Installing Multipass on Debian 12 (Bookworm) WSL: A Step-by-Step Guide

Learn how to install Multipass on Debian 12 (Bookworm) WSL. This guide covers the necessary steps to install Multipass using Linux Snap instead of the Debian package.

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Installing Multipass on Debian 12 (Bookworm) with WSL: A Step-by-Step Guide
Installing Multipass on Debian 12 (Bookworm) with WSL: A Step-by-Step Guide

Learn how to install Multipass on Debian 12 (Bookworm) using WSL, as it's not available as a Debian package. Follow this guide to get started.

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Configuring FirewallD Forwarding for an Entire Subnet
Configuring FirewallD Forwarding for an Entire Subnet

Learn how to configure FirewallD to forward an entire subnet in this Linux tech support article. Follow the instructions below to set up FirewallD zones and rules for your network.

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Troubleshooting Docker Script with Alpine Linux: SCANDISK_MOUNT and CAN_MOUNT Issues
Troubleshooting Docker Script with Alpine Linux: SCANDISK_MOUNT and CAN_MOUNT Issues

This article provides a solution to common issues encountered when running a script inside a Docker container using Alpine Linux and the sh shell. The article focuses on problems related to the SCANDISK_MOUNT and CAN_MOUNT environment variables.

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Troubleshooting Ubuntu VM with Black Screen and Blinking Cursor on Mac Host
Troubleshooting Ubuntu VM with Black Screen and Blinking Cursor on Mac Host

This article explains how to troubleshoot a Ubuntu VM that displays a black screen with a blinking cursor when running on a Mac host. The article covers checking CPU and graphics settings, installing Ubuntu, and selecting the correct graphics controller.

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Encountering NUL Characters in Synology Backup Files during Sync
Encountering NUL Characters in Synology Backup Files during Sync

Users of Synology backup file sync may encounter unexpected NUL characters in their files, causing 23 lines to be deleted randomly. This article provides solutions to resolve the issue.

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System Won't Boot: rmi4_f34: probem rmi4-00.fn34 failed (error-22)
System Won't Boot: rmi4_f34: probem rmi4-00.fn34 failed (error-22)

This article provides a solution to the issue where a system won't boot due to an error with rmi4_f34 and rmi4-00.fn34. The error message reads 'rmi4_f34: probem rmi4-00.fn34 failed (error-22)'. This article explains the possible causes and steps to fix the issue.

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Using a Physical Hard Drive with VirtualBox VM on openSUSE Tumbleweed and Windows Dual-Boot Setup
Using a Physical Hard Drive with VirtualBox VM on openSUSE Tumbleweed and Windows Dual-Boot Setup

Learn how to use a physical hard drive with VirtualBox VM on openSUSE Tumbleweed and Windows dual-boot setup. Follow the instructions below to configure your system for optimal performance.

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Optimizing Performance of FFmpeg for Continuous Streaming of IP Cameras
Optimizing Performance of FFmpeg for Continuous Streaming of IP Cameras

This article provides tips for optimizing the performance of FFmpeg when streaming IP cameras in continuous mode. With up to 18 cameras streaming in 1080p resolution, performance issues can arise. This article suggests methods for improving FFmpeg's handling of multiple streams.

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Expanding Grep Returns with Specific File Extension Conditions
Expanding Grep Returns with Specific File Extension Conditions

Learn how to expand grep return values to include specific file extensions in a directory search.

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Understanding Fail2Ban with TinyProxy on Debian 10 VPS
Understanding Fail2Ban with TinyProxy on Debian 10 VPS

Learn how to configure Fail2Ban to work with TinyProxy on a Debian 10 VPS. This article explains the installation process and the necessary steps to allow Fail2Ban to scan for port scans using iptables.

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Setting up SFTP Forwarding: Accessing Backend Servers with Client Details
Setting up SFTP Forwarding: Accessing Backend Servers with Client Details

Learn how to set up SFTP forwarding and successfully access backend servers with relevant client details.

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Connection Refused or Failed when Connecting to Ubuntu Server for the First Time
Connection Refused or Failed when Connecting to Ubuntu Server for the First Time

Experiencing connection refused or failed messages when connecting to your Ubuntu server for the first time? This article provides suggestions for troubleshooting common issues.

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Preserving Special File Permissions and Symbolic Links Across File Types in RHEL 8.6
Preserving Special File Permissions and Symbolic Links Across File Types in RHEL 8.6

This article explains how to use the tar command with specific flags to preserve hard symbolic links and permissions when transferring files between systems running RHEL 8.6.

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Disabling Chromium's 'Update Available' Notifications on Gnome Ubuntu
Disabling Chromium's 'Update Available' Notifications on Gnome Ubuntu

Learn how to stop Chromium from displaying 'Update Available' notifications on Gnome Ubuntu.

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Preventing dnsmasq from Creating AAAA Records for Hosts using DHCPv6 in Dual-Stack Networks
Preventing dnsmasq from Creating AAAA Records for Hosts using DHCPv6 in Dual-Stack Networks

In a dual-stack internal network where dnsmasq provides DNS, DHCP, and DHCPv6 services, learn how to configure it to prevent the creation of AAAA records for hosts using DHCPv6 while allowing IPv4 communications.

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Bash [=~] Regex vs Perl Command: Result Comparison for Filename Matching
Bash [=~] Regex vs Perl Command: Result Comparison for Filename Matching

In this tech support article, we compare the results of using the Bash [=~] operator and a Perl command for filename matching using regular expressions. We provide examples and discuss the key differences between the two approaches.

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Resolving Endless Blue Screen Loop after Playing with Windows Driver Verifier on Dual-Boot Ubuntu-Windows System
Resolving Endless Blue Screen Loop after Playing with Windows Driver Verifier on Dual-Boot Ubuntu-Windows System

Learn how to troubleshoot and resolve a persistent blue screen loop issue caused by playing around with the Windows Driver Verifier feature on a dual-boot Ubuntu-Windows system.

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