two ways to stop crontab emails

1) crontab was sending emails that were not being checked - filling up mail spool 2) first fix was to update individual crontab by using " >/dev/null 2>&1 " 3) second fix was to edit /etc/crontab to change MAILTO from root to "" 4) commented out original entry in /etc/crontab in case mail from cron is desired. 5) in order for the crontab entry in /etc/crontab to be activated need to restart cron services. used script to record the process: ------------------------------------------------ Script started on Thu 06 Oct 2016 11:32:54 PM PDT ------------------------------------------------ --> crontab -l # DO NOT EDIT THIS FILE - edit the master and reinstall. # (/tmp/crontab.6g0J3r installed on Sun Jul 3 23:36:55 2016) # (Cronie version 4.2) # MIN HOUR DAY MONTH DAYOFWEEK COMMAND ######################################## 58 23 * * * /home/luser/bin/runallscrpt 59 23 * * * /home/luser/bin/runhdscrpt ######################################## # 5 6-20 * * * /home/luser/bin/get-map # */2 7-10 * * * /home/luser/bin/get-map # */2 14-18 * * * /home/luser/bin/get-map ------------------------------------------------ --> crontab -e ------------------------------------------------ --> crontab -l # DO NOT EDIT THIS FILE - edit the master and reinstall. # (/tmp/crontab.xBq48F installed on Thu Oct 6 23:33:40 2016) # (Cronie version 4.2) # MIN HOUR DAY MONTH DAYOFWEEK COMMAND ######################################## 58 23 * * * /home/luser/bin/runallscrpt >/dev/null 2>&1 59 23 * * * /home/luser/bin/runhdscrpt >/dev/null 2>&1 ######################################## # 5 6-20 * * * /home/luser/bin/get-map # */2 7-10 * * * /home/luser/bin/get-map # */2 14-18 * * * /home/luser/bin/get-map ------------------------------------------------ --> cat /etc/crontab SHELL=/bin/sh PATH=/usr/bin:/usr/sbin:/sbin:/bin:/usr/lib/news/bin MAILTO=root # # check scripts in cron.hourly, cron.daily, cron.weekly, and cron.monthly # -*/15 * * * * root test -x /usr/lib/cron/run-crons && /usr/lib/cron/run-crons >/dev/null 2>&1 ------------------------------------------------ --> sudo vi /etc/crontab ------------------------------------------------ --> cat /etc/crontab SHELL=/bin/sh PATH=/usr/bin:/usr/sbin:/sbin:/bin:/usr/lib/news/bin # MAILTO=root MAILTO="" # # check scripts in cron.hourly, cron.daily, cron.weekly, and cron.monthly # -*/15 * * * * root test -x /usr/lib/cron/run-crons && /usr/lib/cron/run-crons >/dev/null 2>&1 ------------------------------------------------ --> exit exit Script done on Thu 06 Oct 2016 11:34:45 PM PDT

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