Articles in Systems | UserComp.com

Log off session after x time in Windows

Automatically log off Windows sessions after a specified inactivity period using the shutdown command to secure unattended computers.

Setting up an X11 SSH Tunnel for Remote Desktop Access to a VM

Configure an SSH tunnel in PuTTY to securely access a VM's remote desktop via RDP without exposing port 3389.

Losing Windows Boot Data: A Dual-Boot Dilemma

Restore Windows boot manager in dual-boot setups by recreating EFI entries using bcdboot or Linux tools.

Enabling Secure WebSocket Connections to Yjs Collaborative Editor with .htaccess

Resolve Yjs WebSocket connection failures on Apache by correctly configuring .htaccess to proxy wss traffic using mod_proxy_wstunnel.

Google Chrome Crashing Every Time Start on Windows 7 SP2

Resolve Google Chrome crashes on Windows 7 SP2 by downgrading to a legacy version or upgrading the operating system.

Cannot Bridge VM on Physical Machine despite Restoring Defaults in VMware Network Editor

Resolve VMware bridged networking failures by manually binding VMnet0 to the active physical adapter instead of using automatic selection.

Get tar command to show hidden resources for files archive?

Use tar -tvf to list hidden files and resource forks in archives for cross-platform compatibility.

Recovering from Loss of Connection When Mounting LUKS-Encrypted Disk-Containers Remotely

Resolve device busy errors when mounting LUKS containers over SSH by identifying and terminating orphaned cryptsetup processes using fuser and losetup.

How to Drop Outgoing UDP Packets without Generating Socket Error

Drop outgoing UDP packets silently using iptables to prevent socket errors and test timeout behaviors.

Bypass/split tunnel wireguard: How to Configure Split Tunneling with WireGuard VPN on Linux

Resolve unintended full-tunneling in WireGuard by setting DefaultRoute=false to enable split tunneling on Linux.

Windows 11 Disk Only Boots with Windows 10 Disk Present: Troubleshooting Guide

Fixes Windows 11 boot failure caused by corrupted EFI metadata or broken BCD entries that require a Windows 10 disk to start.

How to Change Windows 11 Desktop Background Selection for Easy Differentiation

Assign unique backgrounds to Windows 11 virtual desktops via Task View to visually differentiate workspaces and prevent confusion.

Memtest Stuck/Frozen on Win 10 (64-bit) UEFI - What to Do?

Resolve Memtest86 freezing on Windows 10 UEFI by disabling Secure Boot and adjusting CSM compatibility settings.

GPG Key Error When Updating Kali Linux: How to Resolve?

Resolve GPG key errors in Kali Linux by updating the kali-archive-keyring package and refreshing APT sources to restore secure repository authentication.

How to Edit the Registry in Windows 10 (Like in Win 7) without Having to Take Ownership of Keys All the Time

Resolves Windows 10 registry access denied errors by launching regedit as administrator instead of manually taking ownership.

Making a Windows 10 Machine Always On: A Tech Support Guide for Lenovo ThinkCentre M910q Home Hosts

Configure BIOS power restoration and Windows sleep settings to prevent downtime on Lenovo ThinkCentre M910q home hosts.

Error: Get-AppXPackage Commandlet Not Recognized in PowerShell

Resolve the Get-AppXPackage command not recognized error by running PowerShell as administrator or manually importing the Appx module.

Enable Long Paths on Windows 11 Home

Enable long paths on Windows 11 Home by adding a registry DWORD to bypass the 260-character limit.

macOS 13 and 14 Uncontrollable Mouse Speed

Resolve uncontrollable mouse speed on macOS 13 and 14 by recalibrating tracking settings, eliminating Bluetooth interference, and disabling conflicting third-party input managers.

Windows 11 Installed, But No Upgrade

Explains the purpose of the C:\$WINDOWS.~BT folder and how to safely delete it using Disk Cleanup to reclaim disk space after a Windows 11 upgrade.

Performing Admin Operations on a WSL Distro Installed on a Non-Admin Windows Account

Enables administrative tasks in WSL using sudo without Windows administrator privileges.

Windows Requires Last User to Unlock on Startup

Resolve Windows requiring the last user to unlock on startup by disabling Fast Startup in Power Options.

Troubleshooting Bootkicker.efi Issue on MacBook Pro 2016 after Sonoma Update

Reset NVRAM to resolve Bootkicker.efi boot errors on MacBook Pro 2016 after Sonoma update.

Upgrading Linux PAM version 1.5.3 to 1.1.4: Adding Password History and Complexity with Linux PAM Library

Enforce password complexity and history on Linux PAM 1.5.3 by configuring pam_pwquality.so and pam_pwhistory.so without downgrading to version 1.1.4

How to Register a VM with VBoxManage: Transferring VirtualBox VMs to a Different User Host

Resolve VirtualBox errors where transferred VMs are not recognized by registering the .vbox configuration file using VBoxManage registervm.

Homebrew Installation Failed: Permission Denied Errors

Resolve Homebrew installation permission denied errors by installing in a user directory or changing ownership of the default prefix.

Downgrading SSL Version from v3.0 to 1.1 in Mac OS (10.14.2) Guide

This article explains why macOS 10.14.2 disables SSLv3 and TLS 1.1 for security reasons and guides users to verify their current TLS version using command-line tools or Safari developer options.

Understanding Recursion in the Windows Attrib Command

Resolve the issue of Windows Attrib command only affecting the current directory by using the /S switch to recursively modify file attributes in subdirectories.

Mac Changer Fails to Work: Network Interface Name Changed Successfully on Debian 12.6 (64-bit)

Fix Mac Changer failing on Debian 12.6 by disabling the cloned MAC address policy in NetworkManager to prevent automatic reversion of manual changes.

Resolving Video Stutters and Skips on Windows 11

Fix video stutters on Windows 11 by updating graphics drivers, disabling hardware-accelerated GPU scheduling, and optimizing power plans.

List of /proc/fd/ Path - Understanding File Descriptors in Linux

Diagnose file descriptor leaks and resource exhaustion by inspecting open files in /proc/fd/ or using lsof.

Fixing Rufus Windows Go Boot Issues on Kingston 64GB USB Flash Drive

Resolve Rufus boot errors on Kingston 64GB USB drives by verifying ISO integrity, selecting the correct partition scheme, and ensuring stable hardware connections.

Windows 10 Pro product key not accepted: Some of these characters can't appear in the product key

Resolve the Windows 10 Pro product key error by using a valid 25-character alphanumeric key and removing invalid characters like spaces or hyphens.

How to Display Network Usage Tasks in Windows 10 Task Manager (Resource Monitor) Including Kernel?

Resolve high network usage by identifying kernel-level drivers and system services consuming bandwidth using Windows Resource Monitor.

Debugging Sudden Memory Usage Spike on Rocky Linux 8.9

Resolve sudden memory usage spikes on Rocky Linux 8.9 by identifying resource consumers with top and analyzing process allocations with pmap.

How to Capture Time Parameter in ffmpeg Output on EndeavourOS

Enable ffmpeg -stats to capture real-time time parameters and redirect stderr for logging on EndeavourOS.

Reliable Advice for SQL Data Synchronization in SCADA Applications

Resolve SQL data synchronization conflicts and ensure integrity in SCADA applications using transactional replication and idempotent retry logic.

Enabling Internet Access for an OpenWrt Hyper-V Virtual Machine

Resolve OpenWrt Hyper-V VM internet connectivity by configuring an external virtual switch to bridge the VM with the host's physical network adapter.

Add Multivideo Filter One Command in FFmpeg for Scaling and Watermarking 720p Videos

Resolve the need to scale 720p videos and add watermarks in one FFmpeg command to avoid intermediate files.

Slow Boot Time after Installing New HDD on OldNP530U4B-S01FR Model

Resolve slow boot times on HP ProBook 450 G4 after HDD upgrade by enabling AHCI in BIOS and disabling Windows Fast Startup.

How to Disable Text Extractor Shortcut in PowerToys and Use ShareX Instead?

Resolve Win+Shift+S conflict between PowerToys Text Extractor and ShareX by disabling the shortcut in PowerToys settings.

Windows 10/11: Missing Shortcuts in Start Menu after Copying/Pasting or Creating New Ones

Resolve missing Start Menu shortcuts in Windows 10 and 11 by verifying target paths, clearing the icon cache, and fixing permission issues.

List of ssh keys provided by ssh agent on a remote machine

List SSH keys loaded in the remote agent using ssh-add -l to verify available authentication credentials.

Video MP4 Missing Metadata: How to Fix It

Fix missing MP4 metadata on Windows by rewriting headers with FFmpeg or editing properties via Explorer to restore titles and artists.

AWK: Replacing Special New Lines with One Line

Collapse fragmented records with literal backslash-n, carriage returns, or embedded newlines into single lines using sed, perl, or awk.

Where Are Installed Windows Quality Update KBIDs Stored in the Windows Registry?

Locate Windows Quality Update KBIDs in the registry at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\Packages to verify installed patches.

How to Make ZSH Navigation More Like Bash

Resolve ZSH navigation discrepancies by adding bindkey -e to .zshrc to enable Emacs-style keybindings.

Fix SELinux Enforced Mode Preventing SSH Connection on Rocky Linux 8.10

Resolve SSH connection failures on Rocky Linux 8.10 caused by SELinux enforcing mode blocking access due to misconfigured port or file security contexts.

Troubleshooting Cygwin's Weird Behavior on Security Permissions

Resolve Cygwin permission denied errors by enabling ntsec in fstab and correcting file ownership with chown.

Primary Screen Failed: Solving Chronic Blackscreen Issues on Your Secondary Device

Resolve secondary monitor black screen errors by updating graphics drivers, adjusting display settings, and verifying cable connections.