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

SSH Public Key Permission Denied vs Password Authentication: Fixes

You can SSH into a server using a password, but when you try the same connection with a public ke...

Fix ImageMagick 'convert' Not Recognized in PHP exec()

If you're seeing an error like convert not recognized when trying to use ImageMagick...

How to Activate a Virtual Environment in a Python Script

You might need to run a Python script that depends on packages installed in a virtual environment...

How to Fix Postman SSL Error with Custom Certificate

If you see "Error: unable to verify the first certificate" or similar SSL errors in Postman when ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Chrome Profile File Locked by Another User

If Chrome shows "Your profile could not be opened correctly" or "The profile appears to be in use...