How to extend admin log in time

Is there a way to extend the time that I'm logged into the admin? For some reason, I'm being logged out after a very short time of non-use.

Thanks
Ron

Go to includes/classes/reefless.class.php
Find:

Code:

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Only registered members can view the code.

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Replace with:

Code:

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Only registered members can view the code.

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Also, contact with your hosting for increase parameter: session.gc_maxlifetime
Usually, by default, it is 1440 sec = 24min.

Thank you!