Objectives
In this chapter you will learn
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To use chrony to maintain accurate system time
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To create a crontab file for root using the crontab command
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To add necessary statements to the crontab file that set up the environment for cron jobs
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To interpret the time specifications for cron and configure cron jobs to run at different recurring intervals
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To create cron jobs using crontab
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To create cron jobs for hourly, daily, weekly, and monthly periods
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To use the at command to run scripts or commands once at ...
