2 tables
="/etc/iproute2/rt_tables"
3 grep -q "gw-check" $tables ||
echo "200 gw-check" >> $tables
4 test -f /etc
/crontabs
/root ||
touch /etc
/crontabs
/root
5 grep -q "ff_olsr_test_gw.sh" /etc
/crontabs
/root ||
echo "* * * * * /usr/sbin/ff_olsr_test_gw.sh" >> /etc
/crontabs
/root
6 /etc
/init.d
/cron restart