Monitoring important server infrastructure
In this recipe, we will use a small script that will monitor the available filesystem's disk space periodically using cron, and if it exceeds a certain percentage threshold the script will send out a mail with a warning message.
Getting ready
To complete this recipe, you will require a working installation of the CentOS 7 operating system with root privileges and a console-based text editor of your choice. You should have read the Scheduling tasks with cron recipe to have a basic understanding of the principles behind the cron system.
How to do it...
- To begin this recipe, log in as root and create the following file that will contain our monitoring script:
vi /etc/cron.daily/monitor_disk_space.sh - Now, put ...
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