Security Checklist?

Well I used to have one before but have since reformatted my HDD and we just ordered another dedicated Dual Xeon box with 2 Gb ram and I was wondering if anyone here had sort of a 'security checklist' as to what we should do before this box goes 'live'. Any help is appreciated. Thanks.

Note: it is a cPanel/WHM/RH ES 3.0 server.

 

 

 

 

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