Use w, who, last, lastcomm command. See url: http://www.cyberciti.biz/faqs/2006/0...-logged-in.phpHow can I monitor the status of my server? How can I know who are logged on in telnet,ssh etc and what resources are they using?
Yup use smbstatus command.Samba (connected users, what resources are used)
I have no idea about other stuff may be someone will help out