iain_j wrote:Mintupdate pings google every 15 mins to check there is an internet connection; I'd imagine it does this at boot too.
You can change this (which site it pings and how often) in mintupdate preferences.
Sorry, it was a mistake of me. Not at boot time, but at login to desktop.
Because the original Ubuntu does some "interesting" things... (for example see in 12.04 System Settings -> Privacy -> Record Activity)
My first idea was, the Mint follows it...