CUPS
Using CUPS web interface to configure printers encounters 401: Forbidden error.
Problem
Use $username and $password to login CUPS admin to add printers or change printers' configures would have 401: Forbidden error.
Reason
User not in sys group.
Solution
Login
CUPSadmin web interface by using some user insys, e.g.root.Choose
Add Printer, then follow the instructions.
Relogin
- Relogin
CUPSby entering root@localhost:631/admin.
- No step 2.