cd /usr/local/nagios/etc/objects
vim localhost.cfg

define host{
    use           linux-server
    host_name        localhost
    alias          localhost
    address         127.0.0.1
    }

# Define an optional hostgroup for Linux machines

define hostgroup{
    hostgroup_name  linux-servers ; The name of the hostgroup
    alias      Linux Servers ; Long name of the group
    members     localhost   ; Comma separated list of hosts that belong to this group
    }

# Define a service to "ftp" the local machine

define service{
    use               local-service     ; Name of service template to use
    host_name            localhost
    service_description       FTP
    check_command          check_ftp
    }

# Define a service to "nfs" the local machine

define service{
    use               local-service     ; Name of service template to use
    host_name            localhost
    service_description       NFS
    check_command          check_tcp!2049
    }

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监控远程主机

==============================================================================

cd /usr/local/nagios/etc/objects
cp localhost.cfg 192.168.0.164.cfg
vim 192.168.122.100

define host{
    use           linux-server
    host_name        testserver
    alias          host196
    address         192.168.122.100
    }

#define hostgroup{
#     hostgroup_name  testserver ; The name of the hostgroup
#     alias      host; Long name of the group
#     members     localhost  ; Comma separated list of hosts that belong to this group
#}

define service{
    use               local-service
    host_name            testserver
    service_description       PING
    check_command          check_ping!100.0,20%!500.0,60%
    }

define service{
    use               local-service
host_name            testserver
    service_description       HTTP
    check_command          check_http
#    notifications_enabled      0
    }

define service{
    use               local-service
    host_name            testserver
    service_description       NFS
    check_command          check_tcp!2049
#    notifications_enabled      0
    }

=============================================================================

更改主配置文件

vim /usr/local/nagios/etc/nagios.cfg

添加一行
cfg_file=/usr/local/nagios/etc/objects/192.168.122.100.cfg

检测新的配置文件是否正确

/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg

Total Warnings: 0
Total Errors:  0

Things look okay - No serious problems were detected during the pre-flight check
=============================================================================

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