DRAC 4/P reset password on CentOS7

2017 01 30 update: OpenManage packages updated from v8.1 to v8.4. Removed missing dependency warning.

I have a couple of old Dell R200 with CentOS7. I wanted to add two DRAC 4/P remote management cards I buought on ebay (attention: you must also have the mixed PCI-X-PCI-E riser for this, I used SN N4489; and
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