In my understanding linux can list only those devices which it can understand, i.e. for which the drivers have been installed. I think lspci is the command for that. But how can one figure out if ...
They are a mix of Red Hat and CentOS 5.x, I'd like to have something on one host that can check basics like cpu/mem/disk hardware, Model, HW RAID controllers, etc would be nice. I have key based ssh ...