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

How to Merge Two Git Repositories with Unrelated Histories

You have two separate Git repositories that you now want to combine into one. Perhaps you acquire...

How to Fix Git Detached HEAD in IntelliJ IDEA

If you see a message like “You are in ‘detached HEAD’ state” in IntelliJ IDEA, it means your work...

Taskbar Icons Missing After Windows Update: How to Restore Them

After a recent Windows update, you might notice that some or all taskbar icons have disappeared. ...

Fix Nginx Upstream Connection Refused Error

If you see upstream connection refused in your Nginx error logs, it means Nginx trie...

Docker Compose Env File Not Being Read: Fixes

You set up a .env file for your Docker Compose project, but variables aren't bei...

Fix Nginx Upstream Connection Refused in Proxy Pass