[英]how to send the mail alert regarding disk space in bash
我可以在 Linux 中发送简单测试的邮件
echo "body" | mail -s "test" xxx@yahoo.com
但下面的代码不起作用
#!/bin/bash
VAR1=$(df / | grep / | awk '{ print $5}' | sed 's/%//g')
VAR2=$(df /dev/sda1 | grep /dev/sda1 | awk '{ print $5}' | sed 's/%//g')
VAR3=$(df /dev/mapper/centos-var | grep /dev/mapper/centos-var | awk '{ print $5}' | sed 's/%//g')
THRESHOLD=50
TODAY=$(date)
if [ "$VAR1" -gt "$THRESHOLD" ] ; then
mail -s 'Disk Space Alert' rupendra@3ess.in << EOF
Date of $TODAY
Your system partition remaining free space is critically low.
/ partition used is $VAR1%
/ usr partition used is $VAR2%
/ var partition used is $VAR3%
你收到什么错误?
以下一个对我有用,
#!/bin/bash
set -x
VAR1=$(df / | grep / | awk '{ print $5}' | sed 's/%//g')
VAR2=$(df /dev/sda1 | grep /dev/sda1 | awk '{ print $5}' | sed 's/%//g')
VAR3=$(df /dev/mapper/centos-var | grep /dev/mapper/centos-var | awk '{ print $5}' | sed 's/%//g')
THRESHOLD=50
TODAY=$(date)
echo "VAR1=$VAR1, THRESHOLD=$THRESHOLD"
if [ "$VAR1" -gt "$THRESHOLD" ] ; then
mail -s 'Disk Space Alert' abcd@xyz.com << EOF
Date of $TODAY
Your system partition remaining free space is critically low.
/ partition used is $VAR1%
/ usr partition used is $VAR2%
/ var partition used is $VAR3%
EOF
fi
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