crontab -e
还可以先修改到一个文件中，再进行加载
echo ’55 23 * * * user killall -9 java’ >> /etc/crontab
echo ’56 23 * * * user /home/user/Resin/bin/startresin.sh’ >> /etc/crontab
#会覆盖掉原来的数据，慎用
crontab /etc/crontab
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
# For details see man 4 crontabs
# Example of job definition:
# .—————- minute (0 – 59)
# | .————- hour (0 – 23)
# | | .———- day of month (1 – 31)
# | | | .——- month (1 – 12) OR jan,feb,mar,apr …
# | | | | .—- day of week (0 – 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# | | | | |
# * * * * * user-name command to be executed
55 23 * * * user killall -9 java
56 23 * * * user /home/user/Resin/bin/startresin.sh