Shell scripting (BASH) : Notify admin user if script load crossed certain limit

Posted on in Categories Linux, Monitoring, Shell scripting last updated March 23, 2005

It is possible to monitor UNIX system load average and if it crossed certain limit an email can be send to admin user or even text via pager/sms.

1) Download/view chksysload.bash script

2) Open script using vi:
# vi chksysload.bash

3) Customize it according to your needs:
# Setup up limit below
NOTIFY=”6.0″
# Setup admin user email-id
EMAIL=”[email protected]
# Subject for email
SUBJECT=”Alert $(hostname) load average”

4) Save and close the file.

5) Install script as cronjob

Posted by: Vivek Gite

The author is the creator of nixCraft and a seasoned sysadmin and a trainer for the Linux operating system/Unix shell scripting. He has worked with global clients and in various industries, including IT, education, defense and space research, and the nonprofit sector. Follow him on Twitter, Facebook, Google+.

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