Install NCPA on a Debian 10 [on the remote machine to be controlled by nagios]

Install NCPA on a Debian 10 [on the remote machine to be controlled by nagios]

# All steps on debian require root
# DO NOT TRY THIS ON DEBIAN 8 - It will not works !
# Note the `-`. Is important !
su -
cd /tmp
wget https://assets.nagios.com/downloads/ncpa/ncpa-latest.d9.amd64.deb

# NOTE: if you got this problem or similar :
#    dpkg: warning: 'start-stop-daemon' not found in PATH or not executable
# you are not using `su -`.

dpkg -i ./ncpa-latest.d9.amd64.deb
rm /tmp/ncpa-latest.d9.amd64.deb

# change the community_token as you want (will be used as a password
# open config 
#   nano /usr/local/ncpa/etc/ncpa.cfg
# go to the section name 
#    Listener Configuration (API)
# and change the row
#   community_string = mytoken 
# as you want
# or executes

sed -i 's/community_string = mytoken/community_string = mynewtoken/' /usr/local/ncpa/etc/ncpa.cfg

# Restart the service
systemctl restart ncpa_listener.service

##########################################
#    FROM HERE ONLY IF NOT USING UFW     #
##########################################

# Configure the firewall
iptables -I INPUT -p tcp --destination-port 5693 -j ACCEPT
apt-get install -y iptables-persistent
# Answer yes to saving existing rules
# OR create a /etc/iptables/rules.v4 file containing only needed ruleset
#
 
##########################################
#      FROM HERE ONLY IF USING UFW       #
##########################################
ufw allow 5693