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Nagios on an external server

PostPosted: Wed Jan 09, 2019 6:07 am
by dougulas
Is it possible to install and configure Nagios on an external server (Amazon, for example) and monitoring my internal network (LAN)?

Re: Nagios on an external server

PostPosted: Wed Jan 09, 2019 2:37 pm
by benjaminsmith
Hi @douglas,

Yes you can. You'll need to install Nagios Core on a CentOS or other linux system, and then install a monitoring agent, such as NCPA, on the hosts you'd like to monitor on the LAN.

Nagios Core Quick
https://assets.nagios.com/downloads/nag ... start.html

NCPA -Nagios Cross Platform Agent Installation Guide
https://assets.nagios.com/downloads/ncp ... g-NCPA.pdf

Also, Nagios XI is free for small environments - up to 7 hosts.
https://www.nagios.com/products/nagios-xi/

Let me know if you have any questions.

Re: Nagios on an external server

PostPosted: Thu Jan 10, 2019 10:11 am
by dougulas
Is it possible through a VPN?

Re: Nagios on an external server

PostPosted: Thu Jan 10, 2019 11:28 am
by benjaminsmith
Hi @douglas,

You can also monitor without the installation of an agent using SNMP, SSH or WMI. But yes, as long as Nagios has a network connection to the remote hosts.

Monitoring Hosts Using SSH
https://assets.nagios.com/downloads/nag ... ng_SSH.pdf