define hostgroup { hostgroup_name app-servers alias Application Servers register 0 } define service { use ssh-service hostgroup_name app-servers service_description CPU check_command check_ssh_load!16.0,8.0,4.0!24.0,16.0,8.0 } define service { use ssh-service hostgroup_name app-servers service_description MEMORY check_command check_ssh_mem!50!80 } define service { use ssh-service hostgroup_name app-servers service_description SWAP check_command check_ssh_swap!20!10 } define service { use ssh-service hostgroup_name app-servers service_description DISK check_command check_ssh_all_disks!20%!10% }