在 Ubuntu 14.04 系统关闭和启动时接收电子邮件通知的脚本

Question

我正在使用 Ubuntu 14.04。我想编写一个 shell 脚本，以便在系统关闭和启动时收到电子邮件通知。请帮帮我。

我尝试过下面的链接，但没有成功。

http://www.netspective.com/knowledgebase/server-sops/2012/10/22/how-to-enable-e-mail-alert-while-server-shutdownrestart/

Answer 1

#!/bin/sh
# chkconfig: 2345 99 01
# Description: Sends an email at system start and shutdown

#############################################
#                                           #
# Send an email on system start/stop to     #
# a user.                                   #
#                                           #
#############################################

EMAIL="[email protected]"
RESTARTSUBJECT="["`hostname`"] - System Startup"
SHUTDOWNSUBJECT="["`hostname`"] - System Shutdown"
RESTARTBODY="This is an automated message to notify you that "`hostname`" started successfully.

Start up Date and Time: "`date`
SHUTDOWNBODY="This is an automated message to notify you that "`hostname`" is shutting down.
Shutdown Date and Time: "`date`
LOCKFILE=/var/lock/subsys/SystemEmail
RETVAL=0

# Source function library.
. /etc/init.d/functions

stop()
{
echo -n $"Sending Shutdown Email: "
echo "${SHUTDOWNBODY}" | mail -s "${SHUTDOWNSUBJECT}" ${EMAIL}
RETVAL=$?

if [ ${RETVAL} -eq 0 ]; then
rm -f ${LOCKFILE}
success
else
failure
fi
echo
return ${RETVAL}
}

start()
{
echo -n $"Sending Startup Email: "
echo "${RESTARTBODY}" | mail -s "${RESTARTSUBJECT}" ${EMAIL}
RETVAL=$?

if [ ${RETVAL} -eq 0 ]; then
touch ${LOCKFILE}
success
else
failure
fi
echo
return ${RETVAL}
}

case $1 in
stop)
stop
;;

start)
start
;;

*)

esac
exit ${RETVAL}