Articles about p | UserComp.com

Connection Error While Configuring PostgreSQL basebackup with nxs-backup: PSQL Connect Error

This article provides a solution for a common issue encountered while configuring PostgreSQL basebackup with nxs-backup: a PSQL connect error due to the non-existent database user. We will guide you through editing pg_hba.conf to resolve the issue.

File Not Found Exception: Unable to Recall Application After Online Payment

Users have reported encountering a FileNotFoundException error when attempting to recall an application after making online payments. This issue may be caused by a problem with the payment gateway's ability to callback the application.

Counting Working Days Between Two Specified Dates

Learn how to calculate the number of working days between two specified dates using various operating systems and programming languages.

Windows, YubiKey, GPG, Putty: Setting Up SSH with a YubiKey

Learn how to set up SSH with a YubiKey on Windows using GPG and Putty. Follow these steps to enable SSH and Putty support in your gpg-agent.conf file.

Google Sheets: Selecting Part of a Full Row with Shift Space

In Google Sheets, pressing Shift Space selects the entire row. However, if you want to select only part of a row, press Shift Space again without releasing it to extend the selection. Here's a step-by-step guide.

How to Manage Updates in Windows 8: Disable Auto-Updates and Control Restarts

Learn how to disable automatic updates in Windows 8, manage update installations, and control restarts to prevent unexpected interruptions.

Building XMRig for Windows 11 with MINGW Compiler: Error Solutions

Learn how to resolve common errors while building XMRig for Windows 11 using MINGW compiler. Follow this step-by-step guide to overcome build issues.

BSOD Help! - Stuck for Over 5 Hours: Troubleshooting classpnp.sys

Experiencing a Blue Screen of Death (BSOD) with the error message classpnp.sys for over 5 hours? Follow these steps to resolve the issue.

Configuring Multiple Computers with Exact Hardware Specs: A Time-Consuming Process

Learn how to efficiently configure multiple computers with identical hardware specifications, including the installation of proprietary software.

Boost Headphone Output Level at Boot Time for Raspberry Pi Debian Audio Player

Learn how to boost the headphone output level during boot time for a Raspberry Pi Debian audio player using the amixer command.

Understanding Docker Compose Network Isolation on Linux

Learn how Docker Compose manages network isolation on Linux systems and troubleshoot issues with bridged networks.

Setting Read-Only Permissions to Prevent File Modification in Windows 10

Learn how to set read-only permissions for specific files or folders in Windows 10 to prevent unauthorized modifications.

WSLv2 Compatibility on ARM64 Devices: Surface Laptop 7 and CoPilot

This article explores the compatibility of WSLv2 on ARM64 devices, specifically the Surface Laptop 7 and CoPilot. Learn how to use WSLv2 on these machines.

NAT Configuration for Multi-OS Network: Linux, Windows, and POS

Learn how to configure Network Address Translation (NAT) for a multi-computer network with a Linux PC, a Windows VM, and a POS system.

Windows Server 2022 and Windows 11: Task Scheduler Library Not Synced Properly with AD

In this tech support article, we'll discuss a common issue where scheduled tasks are not syncing properly between a Windows Server 2022 Datacenter 21H2 machine and a Windows 11 Pro 23H2 machine using Group Policy. We'll explore the causes and provide potential solutions to help you get your tasks back in order.

Linux: Docker Compose - Zabbix Host Ping: Container Not Responding in Another Bridged Docker Network

In a Docker environment running on a Linux host with two Docker networks, Zabbix fails to ping a container when both containers are in different bridged networks. This article provides an overview and suggested solutions to resolve the issue.

Regexp Multiple Lines Grep: Finding Matches Across Newlines

Learn how to use regular expressions (regexp) with the grep command to search for patterns across multiple lines in a file. This article provides examples for Linux, Windows, and MacOS.

Automate Sending Existing Gmail Emails Based on Criteria with Workflow

Learn how to set up a workflow to automatically send existing Gmail emails based on certain criteria using IFTTT and Power Automate.

Can Pimoroni ExplorerHAT Pro Work with Raspberry Pi 4B?

Discover if Pimoroni ExplorerHAT Pro is compatible with Raspberry Pi 4B. Learn about the specifications and features of both devices and their integration.

Excluding Large Subdirectories from Daily Backup

Users with large home directories or servers containing two substantial subdirectories often feel unnecessary to be backed up daily. Here's how to exclude those directories from your backup process.

Crossfading Audio Files: Extracting Four Crossfade Sequences with FFmpeg

In this article, we will learn how to extract four crossfade sequences from two input audio files using FFmpeg. We will cover the command-line process step by step.

Fixing Video Width and Height with ffmpeg: A Tech Support Guide

Learn how to use ffmpeg to fix video width and height issues on various operating systems. This tech support article explains the process with examples.

QEMU-KVM: VM Freezing with Nvidia GPU PCI Passthrough

Experiencing VM freezing issues when using Nvidia GPU with QEMU-KVM? Learn how to troubleshoot and resolve this common problem.

Resolving Long Load Times with Encrypted Partitions in Veracrypt on Three Window Systems

Learn how to resolve long load times when using Veracrypt to encrypt partitions on a three-window system with one hard drive and two encrypted partitions.

Managing Multiple Entries in a Single Excel Cell: Unique Products vs. Shared Components

Learn how to manage unique products and shared components in a single Excel cell. This article provides practical solutions and SEO-optimized tips for handling list components with multiple entries.

Removing Stubborn Album Art and Embedded Images with eyeD3

Learn how to use the eyeD3 command-line tool to remove stubborn album art and embedded images that may be missing from your audio files.

Transferring WPA2-Enterprise Wi-Fi Profile from One Computer to Another

Learn how to transfer a WPA2-Enterprise Wi-Fi profile from one computer to another. This process is essential when connecting devices to a school network that uses WPA2-Enterprise security with AES encryption.

Removing Specific Segments in FFmpeg: A Step-by-Step Guide

Learn how to remove specific segments from a video file using FFmpeg concat command. This step-by-step guide covers the process for Linux, Windows, and MacOS.

Boosting Internet with Cellular AP: A Comparison of Ethernet, WiFi, and First Home Use

Learn about the use of Cellular APs as an alternative to Ethernet and WiFi for internet boost in homes. Discover their advantages, setup process, and potential limitations.

IdeaPad 5 Pro 14ACN6: Improving WiFi Performance with Bad Ping Times

Users of the IdeaPad 5 Pro 14ACN6 have reported issues with WiFi performance, specifically bad ping times. In this article, we will explore possible solutions to improve WiFi performance and reduce ping times on the IdeaPad 5 Pro 14ACN6, using the Qualcomm Atheros QCA61x4A Wireless Adapter.

Adjust User CPU Quantum and Preempt Processes in Linux for NGINX and PostgreSQL

Learn how to adjust user CPU quantum and preempt processes in Linux to improve the performance of NGINX web server and PostgreSQL database server. This article explains the steps to edit configuration files and optimize system settings.

Adjusting User Quotas and Preempting Processes in Linux: NGINX and PostgreSQL

Learn how to adjust user quotas and preempt processes in Linux to optimize resource usage for NGINX web servers and PostgreSQL databases servers.

Achieving a Black Screen on Client during RDP while Preventing Screensharing on Host

Learn how to configure RDP settings to achieve a black screen on the client computer while preventing screensharing on the host.

Avoid Signing In Using Microsoft App on Windows 10: A Step-by-Step Guide

Learn how to avoid signing in using the Microsoft App on Windows 10 to maintain your privacy and security. Follow these simple steps.

Mac: Unexpected Behavior of ctrl+D in Python

When using MacOS, pressing ctrl+D in Python does not quit the interpreter as expected. Instead, the terminal suspends the process with 'zsh: suspended'. This article provides a solution.

PDF Format Limitations: Image Height Greater than 23950 pixels (One Large Page)

When creating a PDF, having an image height greater than 23950 pixels on a single page can pose a limitation. This article explains the issue and offers potential solutions.

Windows 10: Troubleshooting OpenSSH Connection Issues

This article provides solutions for users experiencing connection issues when using OpenSSH on a Windows 10 server box.

Will Optical Disks Bigger than BDXL (128GB) be Developed by 2024?

Discover the latest developments and rumors surrounding the creation of optical disks with a capacity larger than BDXL (128GB) by 2024.

Script: Physical VHDX Backup using Hyper-V for VM

Learn how to create a script for backing up a Physical VHDX file using Hyper-V in case of VM crashes or irreparable system damages.

Troubleshooting Folder Shortcut Info Tips that Don't Display Target Folder Info

Learn how to troubleshoot and display folder shortcut info tips that don't display the target folder information by editing Registry.

Prevent Host Computer Locking using Remote Desktop with HoloLens on Windows 10

Learn how to prevent your host computer from locking while using Remote Desktop with HoloLens on Windows 10.

Understanding S.M.A.R.T. Errors: Is Tampered Data a Sign of Serious HDD Health Issues?

Learn about S.M.A.R.T. errors, their significance, and whether tampered data is an indicator of serious HDD health issues.

Troubleshooting: Unable to Open Large JSON File in Tech Support - Version 1.90.1

This article explains how to troubleshoot and resolve the issue of being unable to open a large JSON file in Tech Support, using the given version and commit details.

Compiling KDE on Debian 12: Unable to Install libkf6windowsystem-dev

This article discusses a common issue encountered while compiling KDE on Debian 12, specifically the failure to install the required dependency libkf6windowsystem-dev. We'll explore potential solutions to help you successfully install KDE on your Debian 12 machine.

Automatically Setting User Directories with LDAP on MacOS: Troubleshooting Login Issues

This article provides a solution for users experiencing issues with setting user directories using LDAP on MacOS during the login process. The script, which is intended to mount folders whenever a user logs in, fails to execute after the login process is complete.

Sharing BrightVPN Connection via Hotspot on Windows 11

Learn how to share a BrightVPN connection via Hotspot on Windows 11 without using third-party applications. Follow this step-by-step guide.

TPLink Ethernet Cable Not Plugged Error: Troubleshooting Steps

This article provides troubleshooting steps for the TPLink Ethernet cable not plugged error. Ensure the cable is properly connected to the device and LAN ports. If the issue persists, try resetting the modem or contacting TPLink support.

Using GNU parallel with --pipe: Process One Line at a Time

In this tech support article, we'll explain how to use GNU parallel with the --pipe option to process one line at a time. If you're encountering unexpected behavior when trying to read standard input lines with this setup, follow the steps below to troubleshoot and achieve the desired results.

Opening Computer Management in Visual Basic using a Button

Learn how to open Computer Management in a Visual Basic application using a button and the Process.Start method.

Files Not Seeding: Troubleshooting Inactive Peers in Torrents

Experiencing issues with different files not seeding on a torrent? Learn how to identify and resolve the problem with inactive peers.

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