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I have a micro instance on Amazon EC2 and because of the low resources allocated to micro instances, I have an issue with one of the weekly cron, makewhatis. It takes a while to complete and uses a lot of CPU and while it's running, the instance is barely (if not) responding.

I tried to modify the cron to use nice makewhatis -w and it is slightly better but far from good enough.

Is it safe to remove this cron from /etc/cron.weekly? If not, is there something I can do to make it use less resources?

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up vote 4 down vote accepted

makewhatis is only used to create the index for man -k. If you never use that capability then you don't need it. If your set of man pages never changes then you only need run it once.

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Exactly what I was looking for. I guess I could run it if I need I need to rebuild man's index. Thank you! –  Cerim Dec 5 '10 at 5:40

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