linux-no.03 Linux Set Timer task Send mail function

1. Scheduled Tasks

CRONTAB-LCRONTAB-E/sbin/service crond Start//start service/sbin/service Crond stop//shutdown service/sbin/service crond Restart//  Restart Service/sbin/service Crond Reload//Reload configuration/sbin/service crond Status//view service Status */1 * * * */opt/shell/load-check.sh00 03 * * */opt/shell/download_log.sh* */1 * * */opt/shell/diskfree.shps-ax | grep cron

2. Send mail

#!/bin/bashpercent= ' df -k | grep -v filesystem| awk  ' {print int} ' for each_one in  $percentdo         if [  $each _ one -ge 90 ];then                 echo  $each _one                 email_date=$ (date  "+%y-%m-%d %h:%m:%s")                  echo  "email_date : " $email _date  >> /opt/disk.log                 echo  "server : 120.132.38.102"  >> /opt/disk.log                 df -h > > /opt/disk.log                from_name= " Shaohua "                from=" [Email protected] "                 r1= "[email protected]"                  to= "< $r 1>"                   #email_title = "120.132.38.102 disk critical"                  email_content= "/opt/disk.log"                 email_subject= "120.132.38.102 disk critical"                  echo -e  "to:  ${to}\nfrom: \" ${from_name}\ " <${from}>\nsubject: ${email_ subject}\n\n ' cat ${email_content} '  | /usr/sbin/sendmail -t                 rm -rf /opt/disk.log                 break         fidone

linux-no.03 Linux Set Timer task Send mail function