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

How to Merge a Git Detached HEAD Back to Master

If you see a message like 'You are in 'detached HEAD' state' after checking out a...

Fix Nginx Redirect Loop After SSL Certificate Install

You installed an SSL certificate, and now your site redirects in a loop. The browser shows 'E...

Git Merge Conflict Checklist Before Merging

You're about to merge a branch, but you've been burned by merge conflicts before. This ch...

Fix 'git remote origin already exists' Error in GitLab

Fix ERR_CONNECTION_RESET Caused by Chrome Extensions

If Chrome suddenly shows ERR_CONNECTION_RESET on sites that used to work, a misb...

Fix Nginx 502 Bad Gateway with Docker Socket

You have an Nginx container proxying requests to another container via the Docker socket, and you...