i used hamachie to control remote location linux device (raspbery pi).
Today more than half of my hamachie client are off-line.
Dont know what happens they used to stay online and remain online.
They are all on very remote locations.
I used this crontask to stay always up.
*/5 * * * * ping -c3 25.XXX.XXX.XXX > /dev/null 2>&1 || ( /etc/init.d/logmein-hamachi restart;sleep 10 ;hamachi login||reboot) > /dev/null 2>&1