RHEL 7 CPU governor.

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I don’t know if you have already heard about CPU governor.

With the global warming, IT culture should integrate the various mechanisms available for reducing computer consumption.
In a perfect world, during the idle periods servers should adjust their clock frequency to get significant power saving. They should even stop through some scalability mechanisms if possible.

If you think a better understanding of technology can help our earth, have a look at the CPU governor tutorial.

Posted in RHEL7

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RHCSA7: Task of the day

Allowed time: 10 minutes.
Create an EXT4 file system mounted under /vol based on a logical volume of 100MB.
Reduce the size to 60MB.

RHCE7: Task of the day

Allowed time: 10 minutes.
Configure a system to forward all email to a central mail server at 192.168.1.1 (change the IP address accordingly).

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