Chapter 4. Configure the Nagios Core Server

cd ~
wget https://github.com/NagiosEnterprises/nrpe/releases/download/nrpe-3.1.0/nrpe-3.1.0.tar.gz
tar xvfz nrpe-3.1.0.tar.gz
cd nrpe-3.1.0
./configure
make check_nrpe
make install-plugin

[user@nagios]# cd ~
[user@nagios]# wget https://github.com/NagiosEnterprises/nrpe/releases/download/nrpe-3.1.0/nrpe-3.1.0.tar.gz
[user@nagios]# tar xvfz nrpe-3.1.0.tar.gz
[user@nagios]# cd nrpe-3.1.0
[user@nagios]# ./configure
[user@nagios]# make check_nrpe
[user@nagios]# make install-plugin

/usr/local/nagios/libexec/check_nrpe -H <IP-address-of-remote-host>

[user@nagios]# /usr/local/nagios/libexec/check_nrpe -H <IP-address-of-remote-host>

cd /usr/local/nagios/etc/objects
cp localhost.cfg mon.cfg

[user@nagios]# cd /usr/local/nagios/etc/objects
[user@nagios]# cp localhost.cfg mon.cfg

chown nagios:nagios mon.cfg

[user@nagios]# chown nagios:nagios mon.cfg

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

[user@nagios]# vim /usr/local/nagios/etc/nagios.cfg

cfg_file=/usr/local/nagios/etc/objects/mon.cfg

cfg_file=/usr/local/nagios/etc/objects/mon.cfg

systemctl restart nagios

[user@nagios]# systemctl restart nagios