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

Fix ERR_NAME_NOT_RESOLVED After Chrome Update

If Chrome started showing ERR_NAME_NOT_RESOLVED on every website right after an upda...

Fix Virtual Environment Not Activating in Terminal

Why Your Virtual Environment Won't Activate

You open a terminal, navigate to your pro...

How to Fix Cloudflare 521 Error on Apache Servers

If you see a Cloudflare 521 error, it means Cloudflare’s network cannot reach your origin server....

How to Change Git Remote URL with git remote set-url origin

Sometimes you need to change the remote URL of your Git repository — for example, after switching...

Chrome Memory Optimization Settings: Reduce RAM Usage

Chrome is known for eating RAM, especially with many tabs open. If your system slows down or you ...

Fix Git Clone Connection Timed Out Due to Firewall

You run git clone and after a long pause see connection timed out. This...