use $HOST macro in 'check system' example
use $HOST macro in 'check system' example

DmitryMyadzelets/monit,ClearwaterCore/clearwater-monit,GaiaMagic/monit,kemadz/monit,skynet/monit,skynet/monit,Metaswitch/clearwater-monit,Nejuf/monit,cention-nazri/monit,cention-nazri/monit,GaiaMagic/monit,kemadz/monit,Nejuf/monit,Metaswitch/clearwater-monit,Nejuf/monit,Metaswitch/clearwater-monit,GaiaMagic/monit,cention-nazri/monit,DmitryMyadzelets/monit,skynet/monit,kemadz/monit,DmitryMyadzelets/monit,ClearwaterCore/clearwater-monit,ClearwaterCore/clearwater-monit