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

Fixing SSH Connection Refused for Linux Server via PuTTY

When you try to connect to a Linux server with PuTTY and get "connection refused," it usually mea...

Postgres Password Authentication Failed: A Practical Checklist

You're connecting to PostgreSQL and get 'password authentication failed for user'. This is a comm...

Microsoft Teams Update Not Installing from Office 365: Fixes

You see an update available for Microsoft Teams in your Office 365 portal, but when you try to in...

Fix SSH Permission Denied (publickey) on Raspberry Pi