Checkmk vs. Nagios Core vs. Nagios XI

As we have many different applications running on different servers, we appreciate the possibility of writing our own scripts to monitor the different processes and elements. Using scripts of our choice helps us a lot, as we have many different administrators. Thus, we are able to be prepared for upcoming outages or events.

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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.

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If anyone looking for the monitoring system for the infrastructure this is the go-to tool which monitors all infrastructure related components from server health to Networking and update us with mails and can be easily integrated with multiple other tools as needed for example PagerDuty , Also this suits good both on premises and cloud environments as well. If we are managing complex environment this tool for monitoring is best one.

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• monitoring
• alerts
• Graphs

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• Monitoring of services is one of the biggest benefits for our company. Being able to respond in a timely fashion keeps business smooth.
• Hardware and device monitoring are easy to set up with proper parameters.
• Notification to key staff to be able to respond quickly makes issues go away faster.

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• Network monitoring.
• Database monitoring.
• Windows Server monitoring.
• Cluster Service monitoring.

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• Layout
• Ease of Use
• Upgradability

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• 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.

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• Robust, but visually old interface. Requires a lot of work to become presentable.
• Small selection of dashlets to construct new views.
• No MS Azure monitoring ability, nothing for “as service,” very limited Amazon cloud monitoring abilities.
• Questionable price politics (could make it a lot less for developing markets to actually increase use of the product and R&D budgets).
• No report designers nor the ability to create new reports. No changes in this area for years.
• Overall lack of new developments, making this product more and more outdated.

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Very helpful software and I highly recommend to have on hand as a tool for testing, troubleshooting, and monitoring.

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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.

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This tool has been has been of great use and learning , offering exceptional ease of use, scalability, and detailed reporting. It has a lot of customization options and proactive monitoring which have significantly improved our infrastructure management.It's UI & functions are good. Also has built in templates for various end points.It also provides graphical reports. With a Dashboard you can monitor easily

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After knowing the architecture it is very easy to manage the system, rolling out agents and creating new monitoring tasks.

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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.

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We
are using Nagios XI in our organization primarily for monitoring all our
application servers and databases, this is helping us in addressing all the
infrastructure issues in advance by alerting us when it any server hits the
threshold as per the initial parameter setup also it has free tier which helps for small scale applications monitoring to save some expenses.

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Never seen any such outages with Nagios XI till day it was available all the time working as expected

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Performance wise it does its best job we monitor more than 500 Servers and we use this tool for Analysis also so never felt any lag

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never contaced support

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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.

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Nagios XI support has plans to offer the following features:

• Access to knowledgeable IT professionals – including support staff and developers.
• Access to customer-only tutorials, documentation, and content in the Nagios Library.
• Access to customer-only boards on our support forum for expedited assistance.
• Access to customer-only email support for fast, confidential assistance.
• Discounts on future license purchases.

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I have been participated in the few implementations, and I would say its bit complex when its come to initial setup once its set post that its easy to manage

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We moved over to Checkmk from Nagios which felt like a natural evolution at the time as the raw version is based on Nagios, I vaguely not having any major issues moving over at the time. We still use the Raw version but we are planning to move to the enterprise version in the next 6 – 12 months as our needs expand.

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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].

Cost efficiency is the main reason which we opted [for] Nagios as we were previously using IDERA tool with comprehensive database monitoring solutions, but the slow performance we are getting while monitoring the instance of the database.

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We have installed Nagios XI for our monitoring system and with this we are managing around 600 servers in total and not seen any major issues with its scalability we can scale it as much as we require and also installed on various applications servers and working as expected

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• avoid downtime
• Plan updates based on usage of a VM or network switch to avoid impacting users
• User satisfaction increased due to less visible downtime or issues with our IT infrastructure.

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• 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.

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• Very good ROI.
• Good results as capacity mgmt tool.
• Good results as application monitoring tool.

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