Thisisabeginner-levelbook,whichwillintroduceNagiostoSystemAdministratorswhoareinterestedinmonitoringtheirsystems.ThefocusisonteachingsystemadministratorstosecuretheirsystemsinamuchimprovedmannerincorporatingthenewerfeaturesofNagios.ItwillteachNagiosbeginnersthebasicsofinstallationandconfigurationofversion3;itwillshowprofessionalswhohavealreadyworkedonearlierversionsofNagiosthenewfeaturesofNagioslikeinheritanceandalsothenewinternalfunctionslikebettercheckscheduling.ThetargetreadersforthisbookareSystemAdministratorsinterestedinusingNagios.ThisbookwillintroduceNagioswiththenewfeaturesofVersion3forSystemAdministrators.