Source

mindref-etc / cron.d / apt-upgrade

#
# Regular cron jobs for apt-update
#
SHELL=/bin/sh
PATH=/usr/local/sbin:/sbin:/usr/sbin:/bin:/usr/bin
LOG=/dev/null

# Run on Wed at 2:05 AM
# m h dom mon dow user  command
05 2 * * 3 root test -x /usr/local/sbin/apt-upgrade && apt-upgrade > $LOG