Ubuntu12.04 scheduled message reminder

Ubuntu12.04 scheduled message reminder background: people are too old to remember, always forget to write weekly reports on Friday, so they are prepared to get a scheduled reminder. there was no suitable solution for finding it. Finally, I had no choice but to use cron. the setting method is recorded for later use. edit the file/etc/crontab to add... ubuntu12.04 scheduled message reminder background: people are too old to remember, always forget to write weekly reports on Friday, so they are prepared to get a scheduled reminder. there was no suitable solution for finding it. Finally, I had no choice but to use cron. the setting method is recorded for later use. edit the/etc/crontab file and add the following content */10 17 ** 5 root export DISPLAY =: 0.0 & amp; policy-send-I/usr/share/icons/Humanity/emblems/48/emblem-danger.svg Friday, please submit the weekly report and the above content means every Friday after, A message is sent every 10 minutes. run the sudo service cron restart command to restart the instance.