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

Fix SSH Permission Denied (publickey) Error

You try to SSH into a server and get Permission denied (publickey). This typically m...

Fix PowerShell Service Unavailable Error During SFC Scan

You try to run sfc /scannow in PowerShell and get an error like "Service unavailable...

Windows Security Token Not Updating: Practical Fixes

You log into a network share or an app, but Windows keeps using an old security token. Permission...

Fix Outlook Calendar Not Syncing with iPhone

You check your iPhone calendar and notice a meeting from yesterday still shows, or a new event yo...

Fix MongoDB Authentication Failed Permission Denied Error