Articles about ls | UserComp.com

TLS Mutual Authentication: Creating Client Certificate in Windows for .NET Application

Resolves TLS mutual authentication failures in .NET by generating and configuring client certificates on Windows.

Shell Script Gives 'command not found' Error in Terminal for Beets Music Library Management

Resolve the command not found error for Beets by adding its executable directory to the system PATH environment variable.

How to Add Pivot Table Field Labels to Pivot Table

Resolve confusion in complex Pivot Tables by adding explicit field labels to clearly identify data fields in rows and columns.

Security Risks for Users Using Separate Logins versus One Generic Login for the Same Database

Eliminates security risks from shared logins by enabling individual accountability, granular least-privilege access control, and accurate forensic audit trails.

TLS Certificate Verification Error in WordPress Email Send via Office365.com

Resolve TLS certificate verification errors when sending WordPress emails via Office 365 SMTP by updating server certificates or disabling strict SSL verification in WPMail settings.

NGINX HLS Streaming Won't Play Website Using RTMP and OBS on Windows 10

Fix NGINX HLS streaming playback failures on Windows 10 by correcting rtmp and http block separation, MIME types, and OBS output paths.

How to Copy a File from My WSL Directory to a Machine I Can Only SSH to from Windows

Resolve file transfer failures from WSL to remote hosts by using scp or rsync with the correct Windows host IP address.

Asian Car Manufacturers Explore Hydrogen Fuel Cells as Alternative to Traditional Car Washes

Clarifies that hydrogen fuel cells power vehicles, not car washes, and explains Asian manufacturers' focus on propulsion infrastructure.

Codewars Challenge: Safe User Input (Part - htmlspecialchars)

Prevent Cross-Site Scripting attacks by escaping special HTML characters in user input using PHP's htmlspecialchars function.

ALSA Doesn't Show USB MIDI Controller Events with Jack Client

Resolve ALSA MIDI visibility issues when Jack is running by configuring virtual ports or using the alsa-jack bridge.

How to Combine 4 Excel Cells into One but Ignore Cells with Particular Data

Combine four Excel cells into one while ignoring specific data like "Skip" or blanks using TEXTJOIN with IF conditions.

Can't Find External HDD Partition (18.75GB) in Visible Disk Analyzing Programs

Resolve missing 18.75GB partition on external HDD by using Windows Disk Management to identify and mount unallocated or hidden volumes.

Showing Actual HTTP Error Message in Chrome Developer Tools

Resolve unclear HTTP errors in Chrome DevTools by viewing the server's actual response body in the Network tab.

Windows 11: How to Fix Audio Quietness During Voice Calls

Fixes Windows 11 audio quietness during voice calls by disabling automatic volume reduction and adjusting microphone sensitivity settings.

USB Drive Not Being Detected as a Block Device on Linux

Resolve USB drive not detected as block device on Linux by verifying physical connections, checking dmesg logs, and loading usb-storage modules.

Windows 7 64-bit TLShandshake Failures

Resolve Windows 7 64-bit TLS handshake failures by enabling TLS 1.2 via registry edits and installing required security updates.

Way Reciprocal Call Linking in MS Word: A Step-by-Step Guide

Create bidirectional navigation between two document sections using bookmarks and hyperlinks in MS Word.

How to Configure cURL for Authenticated SMTP Connection with Self-Signed CA Certificate

Resolve cURL SSL verification errors when connecting to SMTP servers using self-signed CA certificates by specifying the certificate file with the --cacert flag.

Understanding SSH Reverse Tunnels: Finding the Connection Behind Server-Side Commands

Identify unauthorized SSH reverse tunnels by correlating listening ports with process IDs using ps and ss commands.

How to use pipewire with puppeter

Resolve Puppeteer headless audio and display failures by configuring Xvfb for rendering and routing Chromium's PulseAudio output to PipeWire.

Where are input events from non-mouse/keyboard USB peripherals sent in Linux?

Locates the specific /dev/input/eventX character device file for non-mouse USB peripherals in Linux.

NAS Folder Inaccessible on Windows: Network Credentials Give Access Denied

Resolve Windows Access Denied errors when connecting to NAS by clearing cached credentials and verifying SMB protocol settings.

How to Play an 18-Channel WAV File with FFplay Without Issues

Resolve FFplay playback failure for 18-channel WAV files by using the pan filter to downmix channels to stereo.

How to Set Poll Questions in Jitsi Meet Beforehand

Resolve Jitsi Meet's lack of native polling by using third-party tools like Slido or Mentimeter to create and share pre-set questions during meetings.

How to return the index of rows of a table in Excel as an array on separate cells?

Generate a dynamic vertical list of row indices for an Excel table that automatically updates when rows are added or deleted.

Excel Wrongly Counts Blank Cells: A Solution

Resolve inaccurate blank cell counts in Excel caused by invisible characters and zero-length strings using TRIM, CLEAN, or SUMPRODUCT.

Is my Bitlocker encrypted drive safe from password changing tools like 4WinKey

BitLocker protects drives from password reset tools like 4WinKey because hardware-based encryption prevents access to the SAM database without the recovery key.

Using Get-Credential, Start-Process -Credential, and Pop-up for Credentials in PowerShell

Resolve missing credential pop-ups when using Get-Credential and Start-Process in automated PowerShell environments.

Fixing Visual Studio 2022 Community Sign-in Error: We Could Not Refresh Credentials

Resolve Visual Studio 2022 Community sign-in error by clearing corrupted authentication tokens from IDE settings and Windows Credential Manager.

TLS Failed to Verify Certificate: Connecting to ACR Registry using Private Endpoint ADO Pipeline

Resolve TLS certificate verification errors in Azure DevOps pipelines when connecting to an ACR via Private Endpoint by fixing DNS resolution and updating trusted root certificates on self-hosted agents.

Troubleshooting Tailscale Subnet Routing On-Site

Resolve Tailscale subnet routing failures by verifying ACL permissions, enabling IP forwarding, and configuring local firewall rules.

How To Fix Blank Preview Thumbnails After Standby or Hibernation

Resolve blank preview thumbnails in File Explorer after waking from standby or hibernation by clearing the cache and restarting Windows Explorer.

Best Defragmentation Tools for Linux and Bootable USBs

Resolve Linux partition fragmentation safely using e4defrag and ntfs-3g via a bootable USB to prevent data corruption.

Merging Excel Depending Number of Cells: Reversing Changes in Certain Cells

Unmerge cells in Excel to restore individual boundaries while preserving the top-left value, or use Undo to recover data lost during accidental merges.

Plink Access Granted: Nothing Occurs with Correct Credentials

Resolve Plink silent session by explicitly passing commands or using the -m flag instead of relying on an interactive shell.

Copy & Paste Cells in Workbook Not Working as Expected

Resolve Excel copy and paste errors caused by hidden filters, sheet protection, or clipboard corruption.

Print Chosen Columns of lsof Output with Unique-c PID and Sort on MacOS using awk, sort, and uniq

Filter lsof output to display specific columns, sort by PID numerically, and remove duplicate entries on macOS using awk, sort, and uniq.

How does the browser know that the website is using HTTPS for a TLS handshake to start?

Explains how browsers use the URL scheme and HSTS headers to determine when to initiate a TLS handshake for secure connections.

Chromebook: Multiple Windows Open While Reading Yahoo Emails

Resolve Chromebook Yahoo Mail opening multiple unexpected windows by disabling conflicting extensions and adjusting site-specific pop-up settings.

Display AHCI ATA Channels in Windows 10 Device Manager

Resolve the inability to view AHCI ATA channel hierarchy in Windows 10 Device Manager by using Disk Management and PowerShell to identify physical port connections.

Setting Outgoing Emails to Forward via a Second Email Account

Configure email clients to send messages via a secondary SMTP server to ensure proper authentication and deliverability.

Steering Large Language Models Towards Factual and Verifiable Responses

Reduces LLM hallucinations in technical support by combining structured prompt engineering with retrieval-augmented generation and verification loops.

Troubleshooting FFmpeg Streaming UDP Port Closed Issue for RTSP to HLS Streaming

Resolve FFmpeg RTSP to HLS UDP port closed errors by adding the -rtsp_transport tcp flag to force a reliable TCP connection.

Notepad Displaying Weird Symbols in TXT Files: A Solution

Fix garbled text in Notepad by detecting and correcting file encoding mismatches between UTF-8 and legacy formats like ANSI.

Weird Spacing between Words in MS Office Word 2013 Table Cells

Resolve irregular word spacing in Word 2013 table cells by switching from justified to left alignment and removing hidden non-breaking spaces.

Populate Cell Text with Character Data from Data Cells: A Tech Support Guide

Combine character data from multiple cells into a single text string using the ampersand operator or CONCAT function.

Cheapest Days to Fly Spirit Airlines

Identify Tuesday and Wednesday as the cheapest days to fly Spirit Airlines to minimize base fares by avoiding high-demand weekend travel peaks.

LS_COLORS colors using putty

Resolve missing directory colors in PuTTY by configuring xterm-256color terminal emulation and sourcing dircolors in Bash.

Properly and Safely Removing an LSI HBA Card Connected to 24-Bay Enclosure with HDDs running Windows Server 2019

Resolve safe removal of LSI HBA cards from 24-bay enclosures on Windows Server 2019 by preventing data corruption and hardware damage through proper OS preparation and shutdown procedures.

Why Does My Monitor Have More Pixels Than Its Specification?

Resolves monitor pixel count discrepancies caused by macOS scaling, overscan, or driver behaviors.

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