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

Fix pgAdmin Server Connection Timeout Error

You launch pgAdmin, try to connect to a PostgreSQL server, and after a long wait you get a timeou...

Jupyter Kernel Dead: Common Causes and Fixes

You're working in a Jupyter notebook, and suddenly the kernel dies. The notebook becomes unrespon...

Fix Chrome Profile Connection Refused Error Code

When Chrome shows a 'connection refused' error tied to your user profile, it usually means the br...

Fix SSH Permission Denied (publickey) on Raspberry Pi