Problem with fetching linux servers

Problem with fetching linux servers

Well,

I recently acquired the full license SD+ and don't know how to scan Linux Servers, well, I've reading some topics about the need of telnet, but still some questions on the air, here it goes:

Do I need a telnetd service running in each server ?
If yes, after I've installed and runned the telned service how do scan the linux box ?

My settings are as in the image attachment

Please need to set it cause I have lot of linux boxes to inventory on!

thanks, and sorry the english "ugly"










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