а что это теперь значит? :
$ sudo update-rc.d cron defaults
update-rc.d: warning: /etc/init.d/cron missing LSB information
update-rc.d: see <http://wiki.debian.org/LSBInitScripts>
Adding system startup for /etc/init.d/cron ...
/etc/rc0.d/K20cron -> ../init.d/cron
/etc/rc1.d/K20cron -> ../init.d/cron
/etc/rc6.d/K20cron -> ../init.d/cron
/etc/rc2.d/S20cron -> ../init.d/cron
/etc/rc3.d/S20cron -> ../init.d/cron
/etc/rc4.d/S20cron -> ../init.d/cron
/etc/rc5.d/S20cron -> ../init.d/cron
$ ps -ax | grep cron
Warning: bad ps syntax, perhaps a bogus '-'? See
http://procps.sf.net/faq.html 4487 ? Ss 0:00 cron
4657 pts/1 S+ 0:00 grep --color=auto cron