how create user with access only to snmp?
 

i must create a user for network admin as he could access only to the snmp service and /etc/snmp/ folder.how could i set this access?

this is a good use of sudo. just give them a normal account, and only let them use the commands you require. plenty of guides out there if you're not already familar - http://quaid.fedorapeople.org/sudo-tutorial/