Index

A

• abstraction
  • about / Introduction
• active checks
  • about / Introduction
• allowed client hosts
  • setting, for NRPE / Setting allowed client hosts for NRPE, Getting ready, How to do it...
• alternative check command
  • using, for hosts / Using an alternative check command for hosts, Getting ready, How to do it..., There's more...
• alternative SSH port
  • checking / Checking an alternative SSH port, How to do it..., There's more...
• Apache
  • URL / Getting ready
• authenticated contacts
  • using / Using authenticated contacts, How to do it..., See also
• authentication
  • used, for Nagios Core web interface / Using authentication for the Nagios Core web interface, How to do it..., How it works..., There's more...
• automap
  • about / Getting extra visualizations with NagVis
• availability reports
  • viewing / Viewing and interpreting availability reports, Getting started, How to do it..., How it works..., There's more...
  • interpreting / Viewing and interpreting availability reports, Getting started, How to do it..., How it works..., There's more...

B

• brief outages
  • managing, with flapping / Managing brief outages with flapping, How to do it..., How it works...

C

• Cacti
  • URL / There's more...
• check_by_ssh
  • about / Introduction
  • used, with key authentication / Using check_by_ssh with key authentication instead of NRPE, Getting ready, How to do it..., How it works..., There's more...
• check_http command
  • about / Monitoring web services
• check_http plugin
  • using / There's more..., Checking that a website returns a given string, There's more...
• check_mk
  • about / Introduction
  • using / Using check_mk instead of NRPE, How to do it..., How it works...
  • URL / Using check_mk instead of NRPE, How to do it..., There's more...
• check_mysql plugin
  • about / Monitoring database services
• check_nrpe
  • about / Introduction
• check_period property
  • about / How it works...
• check_ping plugin
  • about / Monitoring PING for any host
• check_rsync
  • URL / Getting ready
• check_snmp
  • about / Introduction
• check_snmp plugin
  • using / Monitoring the output of an SNMP query
• check_ssh plugin
  • about / Monitoring SSH for any host
• child host
  • about / How it works…
• cluster
  • nodes, monitoring / Monitoring individual nodes in a cluster, How to do it…, How it works…, There's more…
• command
  • about / Introduction
  • creating / Creating a new command, How to do it..., How it works...
• command arguments
  • about / Changing thresholds for PING RTT and packet loss
• command definitions
  • creating, for NRPE / Creating new NRPE command definitions securely, How to do it..., How it works..., There's more...
• comments
  • adding, on services / Getting started, How to do it..., There's more...
  • adding, on hosts / Getting started, How to do it..., There's more...
• Comprehensive Perl Archive Network (CPAN)
  • URL / Getting ready
  • using / Getting ready
• configuration
  • viewing, in Nagios Core web interface / Viewing configuration in the web interface, How to do it..., How it works...
  • simplifying, inheritance used / Using inheritance to simplify configuration, How to do it…, How it works…, There's more…
• configuration, Nagios Core
  • hosts / Introduction
  • services / Introduction
  • contacts / Introduction
  • verifying / Verifying configuration, How to do it..., How it works...
• configuration directory
  • placing, under version control / Keeping a configuration under version control, Getting ready, How it works…, There's more…
• configuration files
  • grouping, in directories / Grouping configuration files in directories, How to do it…, There's more…
• contactgroup
  • creating / Creating a new contactgroup, How to do it..., There's more...
• contact rotation
  • automating / Automating contact rotation, How to do it..., How it works...
• contacts
  • about / Introduction
• custom directives
  • using / Using custom directives, How to do it…, There's more…
  • reference link / There's more…
• customized Nagios Core reports
  • writing / Writing customized Nagios Core reports, How to do it..., How it works...
• custom Nagios Core management scripts
  • writing / Writing custom Nagios Core management scripts, How to do it..., How it works..., There's more...
• custom notification method
  • defining / Defining a custom notification method, How to do it..., How it works..., There's more...
• custom object variables
  • about / How it works…

D

• database services
  • monitoring / Monitoring database services, Getting ready, How to do it..., There's more...
• debugging information
  • writing, to log file / Writing debugging information to the Nagios log file, How to do it..., How it works..., There's more...
• directories
  • configuration files, grouping / Grouping configuration files in directories, How to do it…, There's more…
• disk usage
  • thresholds, modifying / Changing thresholds for disk usage, How it works..., There's more...
• distributed monitoring setup
  • about / There's more...

E

• e-mail contact
  • creating / Creating a new e-mail contact, How to do it..., How it works..., There's more...
• environment variables
  • about / Using macros as environment variables in a plugin
• escalation
  • defining, for repeated notifications / Defining an escalation for repeated notifications, How to do it..., There's more..., See also
• event handlers
  • about / Introduction
• event handler script
  • setting up / Setting up an event handler script, How it works..., There's more...
• existing command
  • customizing / Customizing an existing command, How to do it..., There's more...
• external command file
  • about / Introduction
• external commands file
  • about / Writing custom Nagios Core management scripts
  • URL / There's more...

F

• fixed downtime
  • defining / There's more...
• flapping
  • brief outages, managing / Managing brief outages with flapping, How to do it..., How it works...
  • reference link / How it works...
• flapping percentage thresholds
  • adjusting, for service / Getting ready, How it works..., There's more...
  • adjusting, for host / Getting ready, How it works..., There's more...

G

• GNU m4(1)
  • URL / Getting ready
• groups
  • about / Introduction
  • host roles, configuring / Configuring host roles using groups, How to do it…, How it works…, There's more…
  • building, regular expressions used / Building groups using regular expressions, Getting ready, How to do it…, There's more…
• guest virtual machine
  • about / Getting ready

H

• hardware device
  • monitoring / Monitoring a RAID or other hardware device, How it works...
• host
  • check frequency, customizing / Specifying how frequently to check a host or service, How to do it..., How it works..., There's more...
  • downtime, scheduling / Scheduling downtime for a host or service, How to do it..., How it works...
  • flapping percentage thresholds, adjusting / Getting ready, How it works..., There's more...
  • PING, monitoring / Monitoring PING for any host, How to do it..., There's more...
  • SSH, monitoring / Monitoring SSH for any host, Getting ready, How it works..., There's more...
  • states, tracking with Nagiosgraph / Tracking host and service states with Nagiosgraph, Getting ready, How to do it..., How it works...
• host definitions
  • building, dynamically / Dynamically building host definitions, How to do it…, There's more…
• host dependency
  • establishing / Establishing a host dependency, How to do it…, How it works…, There's more…
• host escalation
  • about / Defining an escalation for repeated notifications
• hostgroup
  • creating / Creating a new hostgroup, How to do it..., How it works..., There's more...
  • services, executing / Running a service on all hosts on a group, Getting ready, How it works...
  • about / There's more..., There's more...
• host physical machine
  • about / Getting ready
• host reachability logic
  • about / Introduction
• host roles
  • configuring, with groups / Configuring host roles using groups, How to do it…, How it works…, There's more…
• hosts
  • about / Introduction
  • alternative check command, using / Using an alternative check command for hosts, Getting ready, How to do it..., There's more...
  • icons, selecting / Choosing icons for hosts, How to do it…, There's more…
• host template
  • about / There's more...
• HTTP service
  • creating / Creating a new HTTP service, How to do it..., How it works..., There's more...

I

• icons
  • selecting, for hosts / Choosing icons for hosts, How to do it…, There's more…
• inheritance
  • used, for simplifying configuration / Using inheritance to simplify configuration, How to do it…, How it works…, There's more…
  • reference link / There's more…

K

• key authentication
  • check_by_ssh, using / Using check_by_ssh with key authentication instead of NRPE, Getting ready, How to do it..., How it works..., There's more...

L

• libgd-tools package
  • URL / Getting ready
• Liferea
  • URL / How to do it...
• limited sudo(8) privileges
  • providing, to NRPE / Giving limited sudo(8) privileges to NRPE, Getting ready, How to do it..., There's more...
• listening address
  • setting, for NRPE / Setting the listening address for NRPE, Getting ready, How to do it...
• Livestatus Query Language (LQL)
  • about / How it works...
• local services
  • monitoring, on remote machine with NRPE / Monitoring local services on a remote machine with NRPE, Getting ready, How to do it..., How it works..., There's more...
• log file
  • debugging information, writing to / Writing debugging information to the Nagios log file, How to do it..., How it works..., There's more...

M

• m4
  • URL, for Nagios configuration / There's more…
• macro environment variables
  • about / How it works...
• macro expansion
  • about / How to do it…
• macros
  • used, as environment variables in plugin / Using macros as environment variables in a plugin, Getting ready, How to do it…, How it works..., There's more...
  • about / Introduction
  • $USER1$ / How it works...
  • $HOSTADDRESS$ / How it works...
  • $ARG1$ / How it works...
  • defining, in resource file / Defining macros in a resource file, Getting ready, How to do it…, There's more…
• mail services
  • monitoring / Monitoring mail services, Getting ready, How to do it..., How it works..., There's more...
• management interface
  • about / Using custom directives
• MK Livestatus
  • about / Introduction
  • used, for reading status from Unix socket / Reading status from a Unix socket with MK Livestatus, How to do it..., How it works..., There's more...
  • URL / How to do it..., There's more...
• Multi-Router Traffic Grapher (mrtg)
  • about / Monitoring Nagios performance with nagiostats
  • URL / Getting ready
• MySQL database
  • status, reading with NDOUtils / Reading status in a MySQL database with NDOUtils, Getting ready, How to do it..., How it works...

N

• Nagios Core
  • about / Introduction
  • URL / Getting ready, Getting ready
  • URL, for quick start guide / Getting ready
  • URL, for documentation / Introduction
• Nagios Core 4.0
  • URL / How it works...
• Nagios Core Plugins
  • URL / There's more...
  • reference link / There's more...
• Nagios Core server
  • guidelines, for securing / Introduction
• Nagios Core web interface
  • about / Introduction
  • comments, adding on hosts / Getting started, How to do it..., There's more...
  • comments, adding on services / Getting started, How to do it..., There's more...
  • configuration, viewing / Viewing configuration in the web interface, How to do it..., How it works...
  • checks, scheduling / Scheduling checks from the web interface, Getting started, How to do it..., How it works..., There's more
  • problem, acknowledging / Acknowledging a problem via the web interface, How to do it..., There's more...
  • authentication, used for / Using authentication for the Nagios Core web interface, How to do it..., How it works..., There's more...
• Nagios Exchange
  • URL / There's more..., There's more..., Introduction, How to do it..., There's more…
• Nagiosgraph
  • about / Introduction
  • used, for tracking host and service states / Tracking host and service states with Nagiosgraph, Getting ready, How to do it..., How it works...
  • URL / Getting ready
• Nagios Plugins
  • about / Introduction
  • URL / Introduction, Introduction
  • URL, for Development Guidelines / There's more...
• Nagios Plugins package
  • URL / How to do it...
• Nagios Service Check Acceptor (NSCA)
  • about / Introduction
• nagiostats utility
  • used, for monitoring Nagios performance / Monitoring Nagios performance with nagiostats, How to do it..., How it works..., There's more...
• NagVis
  • about / Introduction
  • used, for visualizations / Getting extra visualizations with NagVis, Getting ready, How to do it..., How it works..., There's more...
  • URL / How to do it..., There's more...
  • reference link / How to do it...
• NagVis extension
  • about / There's more…
• named pipe
  • about / How it works...
• NDOUtils
  • about / Introduction
  • used, for reading status in MySQL database / Reading status in a MySQL database with NDOUtils, Getting ready, How to do it..., How it works...
  • URL / How to do it..., There's more...
• Net-SNMP
  • URL / There's more..., Getting ready
• network host
  • creating / Creating a new network host, Getting ready, How to do it..., How it works..., There's more...
• network host hierarchy
  • creating / Creating a network host hierarchy, Getting ready, How to do it…, How it works…, There's more…
• network map
  • about / Introduction
  • using / Using the network map, How to do it…, How it works…, There's more…
  • using, as overlay / Using the network map as an overlay, Getting ready, How to do it…, How it works…, There's more…
• network structure, approaches
  • host parent definitions / Introduction
  • host and service dependencies / Introduction
• nodes
  • monitoring, in cluster / Monitoring individual nodes in a cluster, How to do it…, How it works…, There's more…
• notification history
  • viewing / Viewing and interpreting notification history, How to do it..., How it works..., There's more...
  • interpreting / Viewing and interpreting notification history, How to do it..., How it works..., There's more...
• notifications
  • about / Introduction
  • time periods, configuring / Configuring notification periods, How to do it..., How it works...
  • configuring, for groups / Configuring notifications for groups, How to do it..., How it works...
  • states, selecting / Choosing states for notification, How to do it..., How it works..., There's more...
  • number of failed checks, specifying / Specifying the number of failed checks before notification, How to do it..., How it works..., See also
  • filtering, based on host importance / Filtering notifications based on a host or service value, How to do it..., There's more...
  • filtering, based on service importance / Filtering notifications based on a host or service value, How to do it..., There's more...
• notification_period property
  • about / How it works...
• NRPE
  • about / Introduction
  • local services, monitoring on remote machine / Monitoring local services on a remote machine with NRPE, Getting ready, How to do it..., How it works..., There's more...
  • URL / How to do it...
  • listening address, setting / Setting the listening address for NRPE, Getting ready, How to do it...
  • allowed client hosts, setting / Setting allowed client hosts for NRPE, Getting ready, How to do it...
  • command definitions, creating / Creating new NRPE command definitions securely, How to do it..., How it works..., There's more...
  • limited sudo(8) privileges, providing / Giving limited sudo(8) privileges to NRPE, Getting ready, How to do it..., There's more...
• NSCA
  • passive checks, submitting from remote host / Submitting passive checks from a remote host with NSCA, Getting ready, How to do it..., How it works..., There's more...
  • URL / How to do it...

O

• object definitions
  • reference link / There's more…
• objects directives
  • another objects directives, used in check / Using another object's directives in a host or service check, How to do it…, There's more…
• on-demand macros
  • about / Using another object's directives in a host or service check
  • reference link / There's more…

P

• packet loss
  • thresholds, modifying / Changing thresholds for PING RTT and packet loss, How to do it..., There's more...
• parent host
  • about / There's more..., Getting ready, How it works…
• passive checks
  • about / Introduction
  • allowing / Allowing and submitting passive checks, How to do it..., How it works..., There's more...
  • submitting / Allowing and submitting passive checks, How to do it..., How it works..., There's more...
  • submitting, from remote host with NSCA / Submitting passive checks from a remote host with NSCA, Getting ready, How to do it..., How it works..., There's more...
  • submitting, in response to SNMP traps / Submitting passive checks in response to SNMP traps, Getting ready, How to do it..., There's more...
• Performance Data feature
  • reference link / There's more...
• PING
  • monitoring, for any host / Monitoring PING for any host, How to do it..., There's more...
• PING RTT
  • thresholds, modifying / Changing thresholds for PING RTT and packet loss, How to do it..., There's more...
• plugin
  • about / Introduction
  • searching / Finding a plugin, How to do it..., How it works..., There's more...
  • installing / Installing a plugin, How to do it..., How it works...
  • removing / Getting ready, How it works...
  • writing, from scratch / Writing a new plugin from scratch, How to do it..., How it works..., There's more...
  • threshold checks, implementing / Implementing threshold checks in a plugin, Getting ready, How to do it..., How it works..., There's more...
  • macros, used as environment variables / Using macros as environment variables in a plugin, Getting ready, How to do it…, How it works..., There's more...
• PNP4Nagios
  • URL / There's more...
• private key
  • about / How to do it...
• Pro Git
  • reference link / How it works…
• public key
  • about / How to do it...
• public key cryptography
  • reference link / Getting ready

R

• RAID
  • monitoring / Monitoring a RAID or other hardware device, How it works...
• reachability logic
  • about / How it works…
• redundant monitoring host
  • setting up / Setting up a redundant monitoring host, Getting ready, How to do it..., How it works...
  • reference link / There's more...
• regular expressions
  • used, for building groups / Building groups using regular expressions, Getting ready, How to do it…, There's more…
  • URL / Getting ready
• remote host
  • passive checks, submitting with NSCA / Submitting passive checks from a remote host with NSCA, Getting ready, How to do it..., How it works..., There's more...
• remote machine
  • local services, monitoring with NRPE / Monitoring local services on a remote machine with NRPE, Getting ready, How to do it..., How it works..., There's more...
• repeated notifications
  • escalation, defining / Defining an escalation for repeated notifications, How to do it..., There's more..., See also
• resource file
  • macros, defining / Defining macros in a resource file, Getting ready, How to do it…, There's more…
• return values
  • about / There's more...
• round trip time (RTT)
  • about / How to do it...
• rsync
  • URL / There's more...

S

• service
  • check frequency, customizing / Specifying how frequently to check a host or service, How to do it..., How it works..., There's more...
  • downtime, scheduling / Scheduling downtime for a host or service, How to do it..., How it works...
  • flapping percentage thresholds, adjusting / Getting ready, How it works..., See also
  • states, tracking with Nagiosgraph / Tracking host and service states with Nagiosgraph, Getting ready, How to do it..., How it works...
• Service and Host Freshness Checks
  • reference link / There's more...
• service dependency
  • establishing / Getting ready, How to do it…, How it works…, There's more…
• service escalation
  • about / Defining an escalation for repeated notifications
• servicegroup
  • creating / Creating a new servicegroup, How to do it..., How it works...
• services
  • about / Introduction
  • executing, on hostgroup / Running a service on all hosts on a group, Getting ready, How it works...
• Simple Network Management Protocol (SNMP)
  • about / Introduction, Getting ready
• SNMP OID
  • creating / Creating an SNMP OID for monitoring, How to do it..., There's more...
• SNMP query
  • output, monitoring / Monitoring the output of an SNMP query, Getting ready, How to do it..., There's more...
• SNMP traps
  • passive checks, submitting / Submitting passive checks in response to SNMP traps, Getting ready, How to do it..., There's more...
• SNMPTT
  • URL / Getting ready
• SSH
  • monitoring, for any host / Monitoring SSH for any host, Getting ready, How it works..., There's more...
• SSH authentication
  • reference link / Getting ready
• submit_check_result event handler
  • reference link / Getting ready

T

• Tactical Overview
  • using / Using the Tactical Overview, How to do it..., How it works...
• template
  • about / There's more...
• templates
  • about / Introduction
• threshold checks
  • implementing, in plugin / Implementing threshold checks in a plugin, Getting ready, How to do it..., How it works..., There's more...
• threshold format syntax
  • URL / How it works...
• thresholds
  • modifying, for PING RTT / Changing thresholds for PING RTT and packet loss, How to do it..., There's more...
  • modifying, for packet loss / Changing thresholds for PING RTT and packet loss, How to do it..., There's more...
  • modifying, for disk usage / Changing thresholds for disk usage, How it works..., There's more...
• time period
  • creating / Creating a new time period, How to do it..., There's more...
• trends
  • interpreting / Viewing and interpreting trends, Getting started, How to do it..., How it works..., There's more...
  • viewing / Viewing and interpreting trends, Getting started, How to do it..., How it works..., There's more...

U

• Unix socket
  • status, reading with MK Livestatus / Reading status from a Unix socket with MK Livestatus, How to do it..., How it works..., There's more...

V

• version control
  • configuration directory, placing / Keeping a configuration under version control, Getting ready, How it works…, There's more…
• visualizations
  • with NagVis / Getting extra visualizations with NagVis, Getting ready, How to do it..., How it works..., There's more...

W

• weather map
  • about / Introduction
• web services
  • monitoring / Monitoring web services, How to do it..., How it works..., There's more...
• website
  • checking, for string response / Checking that a website returns a given string, How to do it..., How it works...
• wrapper script
  • about / How it works...