Articles about os | UserComp.com | Page [ 21 ]

How to Shrink Multiple Videos into Specific Time using FFmpeg

Shrink multiple videos to a specific duration using FFmpeg filters without re-encoding.

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Noticed Something Odd with your Mac Group 'wheel' After iTunes Reinstall?

Resolve confusion over wheel group permission changes after iTunes reinstall by verifying system stability and confirming the modifications are benign.

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After starting Edge, all default apps reset to MS apps

Stop Microsoft Edge from resetting Windows default apps to MS apps by disabling the Continue to open files in their associated apps toggle.

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Convert an Acrobat form PDF into a regular PDF for Apple Preview

Flatten interactive PDF forms to static documents for compatibility with Apple Preview.

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Backup Private Keys in Kleopatra for Using on New Computer

Export and import GnuPG private keys from Kleopatra to migrate encryption capabilities to a new computer securely.

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Adding Background Box Words: A Tech Support Solution

Fixes precise positioning of background text boxes by using transparent shape objects and z-axis layering instead of unreliable watermarks.

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Fixing Widescreen Flickering and Blinking on Your Computer While Gaming

Resolve widescreen flickering and blinking during gaming by checking cables, aligning refresh rates, and managing graphics drivers.

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How to automatically assign ULA via SLAAC

Explains why macOS cannot auto-assign ULA via SLAAC and provides manual configuration steps as the required alternative.

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Using drop down lists, count formula, and conditional formatting in Microsoft Excel

Resolve manual data verification errors by automating dynamic dashboard updates and visual alerts using Excel drop down lists, COUNTIF formulas, and conditional formatting.

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Creating Custom Data Validation Lists from Formula

Create dynamic Excel data validation lists that automatically update as source data changes using named ranges and the OFFSET function.

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Fixing Permission Issues for OSX cronjob in Downloads Directory

Resolve macOS cron permission denied errors in the Downloads directory by granting Full Disk Access to Terminal or the shell binary.

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CentOS Stream 9: Frequent 'Nameserver Not Known' Issue

Resolve the 'Nameserver Not Known' error in CentOS Stream 9 by fixing DNS configuration issues caused by NetworkManager and systemd-resolved sync failures.

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Replacing a Number Row with Another Number in a Different Row (Below 1000)

Replace an exact number in one row with another using Find and Replace with Match entire cell contents to avoid partial matches.

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Changing BIOS UEFI Legacy Boot Use with Paragon Hard Disk Manager

Resolve boot failures by converting disk partition styles to match UEFI or Legacy BIOS modes using Paragon Hard Disk Manager.

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Fixing Chrome Dialog Box Jumping Issue on MacOS

Resolve Chrome dialog boxes jumping from the left corner to the center on macOS by checking third-party window managers or clearing browsing data.

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Recommended Data Repositories for Form Based Applications

Solves the problem of selecting appropriate data repositories for form-based applications by comparing relational and document databases.

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Troubleshooting MSI B550 Gaming Edge WiFi Ryzen 9 5950X BIOS Update: A Comprehensive Guide

Resolve BIOS update failures on MSI B550 Gaming Edge WiFi with Ryzen 9 5950X using M-Flash and Flashback methods.

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How to use slicers to choose columns in a table?

Resolve the inability to dynamically switch displayed columns in Power BI visuals by using a disconnected slicer table and DAX measures.

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Can't Find Security & Privacy Settings in MacOS System Preferences for Canon EOS Utility

Resolve Canon EOS Utility permission errors on macOS Big Sur by granting Accessibility and Full Disk Access in Security & Privacy settings.

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Working Around macOS Snapshot ID Marks for Partitioning Drives

Resolve Disk Utility errors when partitioning macOS volumes by using Terminal to identify and delete APFS snapshot locks.

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Fixing Processor Architecture Error while Publishing .NET MAUI App to Microsoft Store

Resolve processor architecture errors when publishing .NET MAUI apps to the Microsoft Store by aligning target frameworks and removing incompatible native dependencies.

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Running 16:9 Full Screen Applications on Ultra Wide Monitors: A Tech Support Guide

Resolve black bars and image distortion when running 16:9 applications in full screen on ultra-wide monitors.

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Excel 2016 - Use text in cell as table column reference

Resolve dynamic column referencing in Excel 2016 by using INDEX MATCH or INDIRECT to convert cell text into live table column references.

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Understanding Verizon FiOS SMTP-Relay Policy and Its Impact on Email Delivery

Resolves email delivery failures on Verizon FiOS by explaining SMTP relay restrictions and configuring correct authentication for outgoing mail.

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Running Process as a Different User

Resolve permission denials when executing commands or applications under different user accounts on Linux, Windows, and macOS.

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Batch File issue: "1 was unexpected at this time"

Resolve the "1 was unexpected at this time" batch file error by rewriting scripts in a plain text editor to remove invisible non-ASCII characters and smart quotes.

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How to straighten a line Shape in Word so that it's perfectly vertical or horizontal after you've moved either endpoint (Word bug workaround)

Fixes Microsoft Word line shapes drifting off-axis by holding Shift while dragging endpoints to lock vertical or horizontal alignment.

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MS Word - Text based on formula

Automate calculation of arithmetic expressions in Microsoft Word by replacing bracketed formulas with their results using a VBA macro.

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Excel Handles Memory Resources Separately: Here's What That Means

Resolve Excel performance degradation and out-of-memory errors caused by separate memory allocation for each open workbook.

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Unable to View Github Repository: Discord Server Unavailable

Resolve GitHub embed failures in Discord caused by rate limiting or caching issues.

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

Resolve private IP connectivity issues for Windows and POS devices by configuring Linux as a NAT gateway with proper IP forwarding and masquerading rules.

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Unable to Find Location for MacBook Screen Recording

Resolve missing MacBook screen recordings by checking the Desktop, Pictures/Screenshots folder, or verifying Screenshot save location settings.

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Accessing Microsoft Access Files on Windows 11: A Step-by-Step Guide

Resolve Microsoft Access file opening issues on Windows 11 by launching the app or configuring file associations for local .accdb and .mdb databases.

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Connect IP Camera to Computer: Hosted Server Solution for Client-Server Architecture

Resolve IP camera connectivity issues by deploying a local client-server architecture for secure, low-latency video streaming without cloud dependencies.

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Understanding Microservices: Scalable Decentralized Data Fault Isolation

Microservices architecture solves system-wide failure cascades by isolating faults and data in independent services, ensuring high availability and granular scalability.

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Accessing PostgreSQL Database in WSL from pgAdmin on Windows

Resolve pgAdmin connection failures to PostgreSQL in WSL by configuring listen addresses, authentication rules, and Windows firewall inbound ports.

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Using Error Handler Immediately Process Alternative Instructions for Errors

Demonstrates using On Error GoTo in VBA to execute alternative recovery logic and resume execution without crashing.

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Rescan Connected Audio Devices to Wake Up Sleeping MacBook Pro M2

Wake a sleeping SSL2+ audio interface on MacBook Pro M2 by rescanning devices in Audio MIDI Setup.

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Can't Browse Internet on CentOS 9 Guest OS in VMware Workstation 16 Player: Troubleshooting Guide

Resolve CentOS 9 internet connectivity issues in VMware Workstation 16 by fixing network adapter settings, host firewall blocks, and guest OS DHCP failures.

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Setting up Reverse SSH Tunnel for Remote Access to Localhost

Resolve inability to access local services behind NAT or firewalls by exposing localhost ports via a remote server using reverse SSH tunneling.

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Why do I hear my own echo (feedback) in Teams?

Resolve Microsoft Teams audio feedback by using headphones to isolate input and output or adjusting device settings to prevent microphone pickup of speaker sound.

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Navigating File Directories in Tech Support: Browse Folder, Copy/Paste Path, and More

Resolve file navigation and permission errors across Windows, macOS, and Linux using efficient directory browsing and path management techniques.

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Changing MacOS Terminal Background Color: A Step-by-Step Guide

Resolve eye strain and improve readability by customizing the macOS Terminal window background color through the graphical preferences interface.

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Troubleshooting Autossh/Ssh Failure Setting Tunnel with ExitOnForwardFailure

Resolve autossh tunnel failures on public Wi-Fi caused by ExitOnForwardFailure triggering on network instability.

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How to Create an Excel Combo Chart for Weekly, Monthly, and Yearly Volume?

Resolve visual distortion when comparing disparate timeframes by plotting weekly and monthly volume as columns on the primary axis and yearly totals as a line on the secondary axis.

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Access Java Code Level Variables in Jenkins Post-Build Actions for Slack Notifications

Resolve Jenkins scope issues by exporting Java variables to the environment for use in post-build Slack notifications.

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Change the frequency that Outlook checks for updates

Resolve Outlook sync delays by configuring Send/Receive groups to adjust how often the application checks for new email updates.

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Fix: Destination Host Unreachable Error on PCLaptop (Ethernet/WiFi)

Resolve Destination Host Unreachable errors by clearing stale ARP caches, verifying subnet masks, and resetting network stack components.

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Edge Browser: How to Redirect HTTP to HTTPS Locally Served Webpage

Resolve Edge automatic HTTP to HTTPS redirect errors for local development servers lacking valid SSL certificates.

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Fixing Hostname Resolution in Fritz!Box Local Network

Resolve hostname resolution failures in Fritz!Box local networks by clearing DNS cache and verifying router settings.

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