Articles in Systems | UserComp.com

How to Use Robocopy to Search Subdirectories Inside Source Folder Files and Move Them?

Move MKV files from subdirectories to a destination folder while preserving directory structure and deleting originals using Robocopy.

Setting Up an Isolated Network with Static IPs and Custom Gateway using Libvirt

Configure Libvirt to assign static IPs and a custom gateway for isolated VM networks using XML definitions.

Using ALT+Tab with Fuzzy Window Finder in Windows

Resolve ALT+Tab fuzzy search failures by checking for conflicting third-party hotkey managers and verifying native Windows configuration.

Iptables Command: A Guide to Firewall Configuration on Ubuntu Router

Resolve Ubuntu router firewall misconfigurations by configuring iptables chains to secure traffic while maintaining SSH and DNS connectivity.

Automate Running Commands Interactively in Windows Terminal Every Morning

Automate interactive Windows Terminal commands every morning using a custom profile and Task Scheduler to avoid unreliable GUI automation.

Connection Refused PuTTY to VMWare Workstation Guest Rocky Linux

Resolve PuTTY connection refused errors to Rocky Linux VMs by configuring Bridged networking or NAT port forwarding in VMware Workstation.

Disk 0 (C:) Shows 100% Spike: Average Response Time Issue

Resolve Disk 0 C: 100% average response time by disabling Windows Search and SysMain or updating SATA drivers.

Resolving Two-Factor Authentication and Sleeping Laptop Issues with ControlMaster

Resolves interrupted two-factor authentication sessions caused by laptop sleep mode by using SSH ControlMaster to persist TCP connections.

How to Change /etc/fstab for Parrot OS (Debian) Rescue Environment on a Western Digital Hard Drive

Fixes broken Parrot OS boot caused by /etc/fstab UUID mismatches or missing mount points on Western Digital drives using a Live USB rescue environment.

Understanding Changes in VBProject: Adding and Deleting ActiveX Controls

Resolve VB6 runtime errors caused by orphaned event handlers, missing OCX references, and unregistered ActiveX controls during deployment.

Determining if a Mystery Partition Has Been Deleted

Identify deleted partitions by detecting unallocated space discrepancies in Windows Disk Management or Linux lsblk and fdisk.

Remotely Using Multiple Monitors: Right Order in Windows 11 (3 Monitors, Different Sizes)

Fixes incorrect monitor ordering and window misalignment in Windows 11 Remote Desktop sessions with three different-sized displays.

Trying Airodump-ng Command: Decoding Output for CH1

Decode Airodump-ng CH1 output to identify the active 2.4 GHz channel and signal strength of detected access points.

Installing cURL properly on OpenWRT Chaos Calmer (15.05.1) for ar71xx TP-LINK MR3020

Resolves cURL installation failures on OpenWRT Chaos Calmer 15.05.1 for TP-LINK MR3020 by guiding users through connectivity checks, package index updates, and opkg commands.

Google Chrome: Option + Left Arrow doesn't move cursor back one word in URL bar (MacOS)

Resolve Google Chrome Option + Left Arrow failing to move cursor back one word in the URL bar on macOS by resetting preferences and checking for extension conflicts.

Win 11 Wi-Fi Wireless Won't Connect Except at Lock Screen: How to Fix

Fix Windows 11 Wi-Fi disconnecting during active sessions by disabling power management settings that turn off the network adapter.

Giving Local Windows Account Access to a NAS: A Step-by-Step Guide

Resolves access denied errors when local Windows accounts connect to non-domain NAS devices by automating credential mapping via login scripts.

Troubleshooting Packet Loss: Analyzing a .pcap File

Resolve packet loss by analyzing TCP retransmissions, duplicate acknowledgments, and out-of-order sequences in .pcap files using Wireshark.

Audio Not Working on PC: Checked Volume Multiple Times, Still Can't Find a Solution

Fixes PC audio failure by verifying output devices, restarting Windows Audio services, and performing a clean driver reinstall.

Windows 11 "Low Battery Action" Is Missing "Sleep" Option

Resolve missing Sleep option in Windows 11 Low Battery Action by verifying advanced power settings and resetting the power scheme via Command Prompt.

Windows 7: Resolving 'DiscardVirtualMemory could not be located' Error with GitHub Desktop

Resolve GitHub Desktop launch failure on Windows 7 caused by missing DiscardVirtualMemory API by upgrading to a supported operating system.

Fixing High DPC Latency Issues with nvme.sys (NVMExpress controller) on Windows 11

Resolve high DPC latency caused by nvme.sys on Windows 11 to eliminate system freezes and audio stuttering.

Windows Suddenly Blocking FFmpeg when Launched with Corz-FFE GUI: A Tech Support Guide

Resolve Windows Defender blocking FFmpeg execution in Corz-FFE by configuring Controlled Folder Access and SmartScreen exclusions.

Windows CMD Variable Not Set on First Run

Fixes Windows CMD variables appearing unset in loops by enabling delayed expansion and using exclamation marks for dynamic evaluation.

Linux Hosts Connected to Samba Server: What Does It Mean?

Resolve Linux client connection failures to Samba by troubleshooting hosts allow and hosts deny misconfigurations in smb.conf.

How to Get SSHD Service to Start on network-online.target in Raspbian 12 (Bookworm)?

Fix SSH connection failures during boot by configuring systemd to start sshd only after network-online.target is reached.

Disconnect Windows users programmatically

Resolve the problem of programmatically disconnecting specific Windows users by using logoff with session IDs from query user.

Identifying and Downloading 10GB/day on Windows Machine

Resolve unexpected 10GB daily data usage on Windows by identifying high-consumption processes in Task Manager and throttling bandwidth for automatic updates or cloud sync services.

Bash AutoComplete: Custom Script Possibilities with a Text File

Solve dynamic Bash auto-completion for custom scripts by reading options from a text file and registering the completion function.

Converting h.264 File: Error with Filename Directory

Resolve FFmpeg no such file or directory errors by fixing path syntax, quoting spaces, and verifying read permissions.

Understanding the Role of System DLLs in Standard Scrollbars for Windows 10

Resolve frozen, invisible, or unresponsive scrollbars in Windows 10 by diagnosing and repairing corrupted user32.dll and uxtheme.dll system files.

How to Start Afresh with One Drive on a New Laptop using the Same live.com Account

Resolve OneDrive sync issues on a new Windows 11 laptop by configuring the live.com account and verifying file availability.

How to Change the Definition of the 'sort' Command in Windows Installer

Override Windows Installer's native sort command by placing a custom batch file in a PATH directory that precedes System32.

How to Properly Set sudo crontab to Backup Files with Superuser Rights Nightly

Configure nightly superuser backups by editing root crontab with sudo and using absolute paths in a dedicated shell script.

What does "Routing and Remote Access Service" do in this usecase?

Clarifies that RRAS is a Windows Server role, not available on Windows 11, and directs users to client-side VPN alternatives for remote connectivity.

Windows Credentials Deleted for specific user

Restore access after deleting Windows credentials by re-entering passwords or using enterprise backups since DPAPI encryption prevents local recovery.

Managing File Permissions with chmod for Per-File and Shared Directories in Samba

Resolve Samba permission inconsistencies by aligning Linux chmod settings with smb.conf masks to ensure correct access for Windows clients.

HELPPP: Ini Files Not Saving Changes

Resolve Windows ini files failing to save by fixing permission restrictions, removing read-only attributes, and closing locked processes.

My built-in microphone is not working on installed apps

Resolve built-in microphone failure in Windows 11 apps by fixing privacy permissions, setting the correct input device, and updating audio drivers.

Accessing a 2TB Physical Hard Drive on a Laptop with VirtualBox (Windows 10 Home)

Attach a 2TB physical hard drive to VirtualBox on Windows 10 Home for raw block-level access using VBoxManage.

Understanding the SystemVolumeInformation File in Root Directory

Resolve SystemVolumeInformation access issues and manage disk space usage by safely viewing contents and adjusting shadow copy limits.

Using Linux-like Symlinks in a Windows Computer: Application Logs Directory

Redirect hardcoded application log directories to new locations using Windows symbolic links to manage disk space without modifying source code.

exFAT Formatted External Drive: Windows Doesn't Recognize Ownership

Resolve Windows not recognizing file ownership on exFAT drives by converting the volume to NTFS using the convert command.

Lenovo LOQ15 Laptop and QHD External Monitor: Two Displays but Mirroring Issues

Fix Lenovo LOQ15 mirroring on QHD monitors by extending displays via Windows settings, updating GPU drivers, and verifying cable connections.

Host Multiple Websites Behind One IP Port 80

Configure name-based virtual hosting to serve multiple domains on a single IP address and port 80 using Apache, Nginx, or IIS.

Ensure Program Writes File Every Time at Startup on Tech Support Site

Configure Windows Startup folder or Task Scheduler to automatically launch an application at login so it reliably writes a file every time.

Troubleshooting Email Issues with Local Postfix Email Server Setup

Resolve local Postfix and Dovecot email delivery failures by fixing firewall port blocks, enabling required protocols, and verifying DNS records.

Fix Docker Login Fails in .bashrc File

Resolve Docker login failures in .bashrc by using secure token-based authentication with AWS ECR and --password-stdin to avoid hangs and credential exposure.

Does Switching Video Output Using Xrandr Save Power?

Disabling unused video outputs with xrandr can reduce power consumption by triggering GPU driver power management features to lower clock speeds and prevent idle signal generation.

Troubleshooting Docker Desktop Installation with WSL-WSL2 Update

Resolve Docker Desktop installation failures on Windows by updating the WSL2 kernel and enabling required virtualization features.