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

SSH Permission Denied (Publickey) on EC2: Setup Fixes

If you're seeing "Permission denied (publickey)" when trying to SSH into an AWS EC2 instance, the...

How to Fix Chrome Proxy Settings Not Working with Profile

You set a proxy in Chrome's settings, but it doesn't seem to take effect when you browse with you...

How to Fix Outlook Slow Performance After an Update

After a recent Office update, Outlook may become noticeably slower—taking longer to open, lagging...

How to Fix Remote Desktop Permission Denied Error

You try to connect to a remote PC using Remote Desktop (RDP) and get an error like "The connectio...

How to Resolve Command Prompt Version Mismatch

You open Command Prompt and see a version number that doesn't match what you expect—maybe it show...

Docker Compose Build No Cache Checklist: Step-by-Step

When You Need a Clean Build

If you notice your Docker Compose services are not picking u...