We use different deployments of the solution. All versions are very similar. 

I have installed and deployed a large number of servers, both physical and virtual, and a large number of switches, routers, wifi devices, and printers. You can monitor any devices, servers, and services with the Nagios XI, including SMTP, TCP, HTTP, DNS, et cetera.

I'd recommend the solution to others.

I'd rate it overall ten out of ten.

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With any changes to the network's planning, It did require downtime, don't rush it. Make sure you're resilient and take it slowly. You don't have to start doing everything at once, but you should start with your most important assets.

I would rate Nagios XI an eight out of ten.

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I rate this solution a seven out of ten. If we were to use a solution other than Nagios XI, it would be SolarWinds. The current problems we have with Nagios XI are easily deployed in SolarWinds. In addition, the reporting structure could be more streamlined.

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I would rate Nagios XI eight out of 10.

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It's advisable to have a basic understanding of the Linux Operating System prior to using Nagios XI, such as common Linux commands, what a server is, and monitoring basics. Essential knowledge of Linux commands is necessary.

I would recommend this solution to others.

I rate Nagios XI a nine out of ten.

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We are a customer of Nagios, actually. We provide the monitoring solution within the company.

It's a virtualized solution, however, it's not really on a cloud as we typically have our own data centers. We applied it on a Hypervisor platform. It's a virtualized solution. Then, of course, we opt for the redundancy part by having different data centers. 

It's the same setup as Zabbix as well. Typically, you have a number of data centers globally, and then you concentrate it, for example, in our case, to various data centers and we usually do redundancy for. Therefore, we have the active solution and the standby solution, just in case there is a disaster.

If you are a mid-sied company with an eye on expansion, this solution is very good. I'd recommend it to others. it's easy to use and to deploy.

I'd rate the solution at an eight out of ten.

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Overall, I rate the solution an eight out of ten.

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Plan ahead based on your infrastructure and application as it would apply to all segments.

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You will need an expert consultant for the best implementation.

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Nagios is a good product, which can configure many kinds of plugins. I would give this product a rating of eight out of ten.

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The price of the licensing is very high, even for a big company. There are good open source products in the market that we could use for free and other companies I know are using them because of the price. Mostly because of the price of the product and the cost of tech support, I would rate this an eight out of ten. The product itself is very good.

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This is a very good solution and it is simple to use, for any company. It is also very stable and you can monitor a large number of services with no problem. You can also create many users and have them receive notification by email. It's very good.

I would rate this solution a ten out of ten.

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I would recommend this tool to others.

I rate Nagios XI a seven out of ten.

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Learning to use Nagios XI is quite time-consuming, so you need patience to get the best out of it. I would rate Nagios XI six out of ten.

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We will soon be moving this solution into production. However, it is a bit complex and difficult for a first-time user.

I would rate this solution a seven out of ten.

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For anyone who is interested in using this solution, I would recommend it. This monitoring software is easy to use and is very powerful. 

This monitoring system has a powerful engine. I have many devices being monitored by a single instance, and it can show that this software works well.

I would rate Nagios XI an eight out of ten.

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I am using the original version of the software that I purchased because I do not have a support contract. This means that I have not received support or updates in several years.

While this solution works, I think that it can be improved in terms of maintenance, support, and price.

I would rate this solution a six out of ten.

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As I stated above, I would recommend getting one of the Nagios “for Dummies” configuration books (Nagios: Building Enterprise-Grade Monitoring Infrastructures for Systems and Networks (second edition)) and start with the free/open-source Nagios Core product. Once one gains a basic understanding of said solution they can then graduate up to the Nagios XI Enterprise product for a fraction of the cost of other pay-for network monitoring solutions. By taking this approach one learns the basic building blocks of the Nagios paradigm before being immersed in the Nagios XI Enterprise world. Like I stated previously, the time investment up front is well worth the dollar savings in the end.

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The only advice is to be patient and creative because you can control everything you can need with Nagios.

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Find a site where Nagios working and look at their implementation. Understand the file structure, dependencies and implementation. Start with the basics and add as needed. Identify what needs to be monitored and why.

Also, Nagios does not do trending/graphing well. I used the Nagios version of MRTG and it was pretty awful. I incorporated Cacti which partners well with Nagios. Without both tools you don't have a good understanding of how your operation is functioning.

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If you are new to Nagios I recommend that you watch videos/read documentation before you start to mess around with the code. One little mistake can stop Nagios from monitoring your systems, so make sure that you always backup your configuration! View full review »

Nagios is the best software of its kind if you have time for configure any host and network, and you can do quite everything with a bit of scripting. It is well documented, scalable and modular, as well as being good for a small business and for an enterprise environment. Take your time to study the product and test the agents first; be very careful on the traffic generated by agents and server-to-server communication.

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Alternatives Vendors: Zabbix, Opennms, Zenoos, Cacti !!

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I would recommend this solution because it's so powerful with no limitation, especially when using the XI version. I would rate Nagios 8 out of 10. Overall, I find it to be a very good solution.

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It's generally good, but lacks documentation.

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Your architecture must be conceived prior to implementation as each error must become complex to change.

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It's the best solution for enterprise PME.

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We are partners with Nagios XI.

I would rate Nagios XI an eight out of ten.

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Enjoy Nagios. No need of advice. This is very good product. Just use it and experience it.

Nagios is the best monitoring tool that I have ever worked on. You will never like it if you compare it with other paid tools based on the graphical interface or any other features. Nagios is the best open source tool. We can create a plugin by ourselves and actually monitor whatever we want.

Nagios XI is a Nagios, which is flavored with some features and we have to pay for it. If we use Nagios, we can build ourselves the Nagios XI feature on our own using the add-ons.

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The over all performance of the product is superb. Just keep in mind during implementation to keep the hardware strong, according to the environment you are monitoring and based on the check Nagios is going to perform.

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Nagios XI is an outstanding network Monitoring tool, which can be tweaked to suit any environment and it is a good solution for business looking for remarkable features at zero cost.

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I would have no hesitation in recommending it.

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I rate Nagios XI a nine out of ten.

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Be prepared to put some time into it and research it appropriately. If there is an option for consulting services through the support channel, don't be afraid to use it.

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It gets the job done, but there's a lot of room for improvement. Make sure that you clearly identify which are the mission critical services and which aren't so as to avoid cluttering the dashboard and overwhelming IT staff with too much information.

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I rate Nagios XI six out of 10. It's one of several network monitoring systems we have, and it has some features we can't get from other platforms.

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I would advise that you create a lab with Nagios Core and test what you really need. Although it's exciting to use all the products, only a few are really important in your IT structure. When you are confident with scripting and MIBS integration, you can consider expanding it to your Enterprise systems with Nagios XI and some other modules. I would discourage you from using the ticketing system to start with and choose something more dedicated.

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Plan ahead and take your time through staging the installation and take your time testing your customized scripts before doing the production installation.

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Implementation is best done by people with a good general Linux/open source skill set. If you have these kinds of people then implementing Nagios should be fairly straightforward. If you have a bunch of Window admins who've never touched a Linux system, then implementation could be a challenge.

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I would rate this solution an eight out of ten.

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In regards to the interface, obviously it can always get even better but at the moment it's functional. It's a good tool. It's very easy to use, very straightforward, and I would recommend it. I would rate this solution a seven out of 10. I like it but of course, it could be better. The product detail should look better, and again, being able to find information on the search is not good enough. I think to change that would improve it very much.

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It is an alternative to more expensive solutions. That is why they use Nagios.

I would rate Nagios XI an eight out of ten.

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First learn concepts, and think how the solution could be suitable for your specific needs. Overall, it's a powerful system.

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It's very simple, and is very valuable to us. If you need to monitoring your environment just do it

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Official support is a must have for working with this tool. If you want to cook it at home and face support on your own there are better alternatives with larger communities.

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First you need to do a complete analysis of the nodes and your requirements before implementing Nagios for monitoring.

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