How to create a search for Server Uptime for Windows & Linux in Splunk?

[PRASADNALLIBOEN]

I need a Splunk search for finding server uptime for Windows and Linux

index= linux  sourcetype=cpu

[kmorris_splunk]

See if this is what you are looking for.

https://gosplunk.com/?s=Uptime&cat=0

[woodcock]

You need to deploy a scripted input to the forwarders that calls uptime on a schedule to forward this into splunk. It is entirely possible that the Splunk TA for *NIX has this in it.