Nagios provides monitoring of all mission-critical infrastructure components. Multiple APIs and community-build add-ons enable integration and monitoring with in-house and third-party applications for optimized scaling.
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AlertSite
Score 8.1 out of 10
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AlertSite, from SmartBear Software, is a website monitoring and application performance management application offering real time alerting with root-cause analytics and robust reporting.
Nagios monitoring is well suited for any mission critical application that requires per/second (or minute) monitoring. This would probably include even a shuttle launch. As Nagios was built around Linux, most (85%) plugins are Linux based, therefore its more suitable for a Linux environment.
As Nagios (and dependent components) requires complex configurations & compilations, an experienced Linux engineer would be needed to install all relevant components.
Any company that has hundreds (or thousands) of servers & services to monitor would require a stable monitoring solution like Nagios. I have seen Nagios used in extremely mediocre ways, but the core power lies when its fully configured with all remaining open-source components (i.e. MySQL, Grafana, NRDP etc). Nagios in the hands of an experienced Linux engineer can transform the organizations monitoring by taking preventative measures before a disaster strikes.
AlertSite is used in our organization to monitor our website and web applications in real-time to collect the super important metrics reflecting web page load time but from the user end (E2E) and that approaches helps us to understand what our website is experiencing in real-time.
Nagios could use core improvements in HA, though, Nagios itself recommends monitoring itself with just another Nagios installation, which has worked fine for us. Given its stability, and this work-around, a minor need.
Nagios could also use improvements, feature wise, to the web gui. There is a lot in Nagios XI which I felt were almost excluded intentionally from the core project. Given the core functionality, a minor need. We have moved admin facing alerts to appear as though they originate from a different service to make interacting with alerts more practical.
We're currently looking to combine a bunch of our network montioring solutions into a single platform. Running multiple unique solutions for monitoring, data collection, compliance reporting etc has become a lot to manage.
The Nagios UI is in need of a complete overhaul. Nice graphics and trendy fonts are easy on the eyes, but the menu system is dated, the lack of built in graphing support is confusing, and the learning curve for a new user is too steep.
I haven't had to use support very often, but when I have, it has been effective in helping to accomplish our goals. Since Nagios has been very popular for a long time, there is also a very large user base from which to learn from and help you get your questions answered.
Because we get all we required in Nagios [Core] and for npm, we have to do lots of configuration as it is not as easy as Comair to Nagios [Core]. On npm UI, there is lots of data, so we are not able to track exact data for analysis, which is why we use Nagios [Core].
We moved all of our services to Site24x7 after several years with AlertSite. We looked at Uptrends and Pingdom to name a few whilst evaluating options. Pingdom lacks functionality and Uptrends we found to have quite a steep learning curve. AlertSites platform and in particular the Deja-Click recorder is a standout tool against the other platforms. Sadly the upscaling costs of multi-location transactions can quickly add up.
With it being a free tool, there is no cost associated with it, so it's very valuable to an organization to get something that is so great and widely used for free.
You can set up as many alerts as you want without incurring any fees.
A negative thing is Monitoring locations would have issues and cause false-positive alerts and due to that monitoring team's repetitive work has increased.
A positive thing that I have noticed so far is the fact that the AlertSite customers support team is trying to build relationships and go the extra mile to make sure we can overcome any occurring issues and they are quick to respond and provide sufficient guidance for implementing efficiently, and fix products issues.
