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

Fixing GitHub Actions Permission Denied for Git Commands

Fix Nginx Config Test Fails with 'upstream host not found'

You run nginx -t and get upstream host not found. The config test fails...

Windows Update SSL Certificate Error: Step-by-Step Checklist

When Windows Update fails with an SSL certificate error, you typically see messages like "Windows...

Configuring Remote Desktop Memory Usage Limits

If your remote desktop sessions are sluggish or the host machine becomes unresponsive, it may be ...

Fix pgAdmin 'Unable to Connect to Server' on Port 5432

You open pgAdmin, try to connect to your PostgreSQL server, and see "Unable to connect to...