Another essential duty of a Linux system administrator is to anticipate problems and take preventative measures to avoid computer system problems <u>before</u> that occur.
Monitoring disk space activity helps provide Linux system administrators information to help take corrective actionbefore problems can occur.
# Remain in your '''centos2''' VM for this section.
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We will now use This emphasis on this section focuses on how to run useful shell scripts or shell script that we have created at specific dates/times. It would be silly to expect a system administrator to stay up late (eg. 2 a.m.) to manually run a shell script to terminate processes or to re-boot Linux servers. Database files are used to provide instructions on how frequent shell scripting scripts or commands can be run. The '''cron''' daemon is used to help automate refer to these files and to run them on a pre-determined basis. Just like file-system tables, there are cron-tables (crontabs) that allow the task user to set the scheduling for a Linux administrator the scripts or commands to be notified of potential disk space issuesrun.
#Perform this section in your '''c7host''' machine