Knowledge base for software setup, errors, and daily tool work.

Fatal: Repository Not Found After Git Pull – Fixes

You run git pull and get fatal: repository not found. The repository ex...

Fix PowerShell Token Expired Not Refreshing Automatically

If you're using PowerShell with Azure, Microsoft Graph, or Exchange Online modules, you may encou...

Ubuntu Task Scheduler: Cron Job Setup Guide

Cron is the default task scheduler in Ubuntu. It runs commands or scripts at specified times, dat...

Docker Compose Env File Not Found: Troubleshooting Checklist

UFW Allow Port Range Not Opening: Fixes and Checks

If you've added a UFW rule to allow a range of ports but connections are still being blocked, the...

Chrome Permission Denied Error: Causes and Fixes

You try to upload a file, access a camera, or visit a site in Chrome and see a “permission denied...