install_nagios_nrpe.sh

# Uninstall old NRPE (v 2.15)
apt remove -y nagios-nrpe-server

# Install NRPE 3.2.1 in /usr/local/nagios
apt install -y autoconf gcc libc6 libmcrypt-dev make libssl-dev wget

cd /tmp
wget --no-check-certificate -O nrpe.tar.gz https://github.com/NagiosEnterprises/nrpe/archive/nrpe-3.2.1.tar.gz
tar xzf nrpe.tar.gz

cd /tmp/nrpe-nrpe-3.2.1/
./configure --enable-command-args --with-ssl-lib=/usr/lib/x86_64-linux-gnu/
make all
make install
make install-config
make install-init
systemctl enable nrpe.service

sh -c "sed -i '/^allowed_hosts=/s/$/,88.80.190.194/' /usr/local/nagios/etc/nrpe.cfg"

printf "Nagios NRPE is installed from source, the config here is not active anymore.\n\nInstead see:\n\n     /usr/local/nagios/etc/\n\nMore info on wiki: https://wiki.pythonunited.com/wiki/inrichten-hosting/#wiki-toc-nagios" > /etc/nagios/README.txt

systemctl start nrpe.service

# Install NRPE plugins
apt install -y autoconf gcc libc6 libmcrypt-dev make libssl-dev wget bc gawk dc build-essential snmp libnet-snmp-perl gettext
 
cd /tmp
wget --no-check-certificate -O nagios-plugins.tar.gz https://github.com/nagios-plugins/nagios-plugins/archive/release-2.2.1.tar.gz
tar zxf nagios-plugins.tar.gz

cd /tmp/nagios-plugins-release-2.2.1/
./tools/setup
./configure
make
make install

echo "Almost done, copy commands from /etc/nagios/nrpe_local.cfg to /usr/local/nagios/etc/nrpe.cfg" 
echo "Restart NRPE afterwards using: systemctl restart nrpe.service"