How to “close” open ports?
A few days ago I started to care a lot about my data security, I end up nmaping myself with: nmap 127.0.0.1
cups
How do I make “black&white” the default?
When I print something (Firefox 5 but also other apps), the option “color” is always set to “Color (CMYK)”. How do I make “monochrome” or “black & white” the default?