TODO

* stabilize
** background jobs
   sudo /etc/init.d/atd stop
   sudo /etc/init.d/cron stop
   sudo /etc/init.d/fam stop
   sudo /etc/init.d/xprint stop
   sudo /etc/init.d/distcc stop
   sudo /etc/init.d/xfs stop
   sudo /etc/init.d/smartmontools stop
   sudo /etc/init.d/rwhod stop
   sudo /etc/init.d/nscd stop
   sudo /etc/init.d/exim4 stop
   sudo /etc/init.d/inetd stop
   sudo /etc/init.d/dbus-1 stop
   sudo /etc/init.d/courier-authdaemon stop
   sudo /etc/init.d/dirmngr stop
** Drop caches
   http://linux-mm.org/Drop_Caches
   echo 1 > /proc/sys/vm/drop_caches
   echo 2 > /proc/sys/vm/drop_caches
   echo 3 > /proc/sys/vm/drop_caches
** sync disks
** disable address space randomization (ASLR)
   https://wiki.ubuntu.com/Security/Features