--- title: Nagios Core 4.4.5 on Ubuntu 18 Reviews meta_title: 'Nagios Core 4.4.5 on Ubuntu 18 Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter reviews by the users' company size, role or industry to find out how Nagios Core 4.4.5 on Ubuntu 18 works for a business like yours. aggregate_rating: rating_value: 4.5 review_count: 3 scale: '5' date_modified: '2026-09-22' parent_category: name: Marketplace Apps url: https://www.g2.com/categories/marketplace-apps --- # Nagios Core 4.4.5 on Ubuntu 18 Reviews **Vendor:** Supported Images **Category:** [AWS Marketplace Software](https://www.g2.com/categories/aws-marketplace) **Average Rating:** 4.5/5.0 **Total Reviews:** 3 ## About Nagios Core 4.4.5 on Ubuntu 18 Nagios Core 4.4.5 on Ubuntu 18.04 LTS is a robust, open-source monitoring solution designed to provide real-time insights into IT infrastructure performance. This Amazon Machine Image enables seamless deployment on AWS EC2 instances, allowing organizations to monitor servers, network devices, and applications effectively. With its powerful monitoring engine, Nagios Core ensures high availability and performance by delivering proactive alerts before issues escalate. The platform's extensive plugin ecosystem allows for customization and scalability, making it adaptable to diverse IT environments. Key Features and Functionality: - Comprehensive Monitoring: Tracks the status of network services and host resources . - Real-Time Alerting: Provides immediate notifications via email or user-defined methods when service or host issues occur and are resolved. - Extensive Plugin Support: Supports over 4,000 plugins, enabling monitoring of virtually all in-house applications, services, and systems. - Scalability: The efficient monitoring engine can scale to manage thousands of hosts and servers. - Customizable Dashboards: Offers an intuitive web interface for viewing current network status, notification history, and logs. Primary Value and Problem Solved: Nagios Core 4.4.5 addresses the critical need for continuous monitoring of IT infrastructure, ensuring system reliability and minimizing downtime. By providing real-time alerts and comprehensive monitoring capabilities, it enables IT teams to proactively identify and resolve issues before they impact business operations. The platform's scalability and extensive plugin support make it suitable for both small and large-scale environments, offering flexibility and adaptability to meet diverse monitoring requirements. ## Nagios Core 4.4.5 on Ubuntu 18 Pros & Cons Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews. **What users like:** - Users love the **deployment ease** of Nagios Core 4.4.5, finding it simple and straightforward to implement. (1 reviews) - Users find the **implementation ease** of Nagios Core 4.4.5 straightforward, making deployment quick and efficient. (1 reviews) - Users value the **open source nature** of Nagios Core 4.4.5, appreciating its easy deployment and implementation. (1 reviews) **What users dislike:** - Users report **compatibility issues** with Nagios Core 4.4.5 on Ubuntu 18, hindering integration with newer devices. (1 reviews) ## Nagios Core 4.4.5 on Ubuntu 18 Reviews ### 1. Nagios Core 4.x Review **Rating:** 4.0/5.0 stars **Reviewed by:** Shreeram R. | Senior Consultant, Information Technology and Services, Small-Business (50 or fewer emp.) **Validated Reviewer:** Validated through a business email account **Incentivized:** This reviewer was offered a nominal incentive as thanks for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal incentive as thanks for completing this review. **Reviewed Date:** August 07, 2025 **What do you like best about Nagios Core 4.4.5 on Ubuntu 18?** It is open source and easily deployable with most of the required features. easy to implement. **What do you dislike about Nagios Core 4.4.5 on Ubuntu 18?** the product bit lack in integrating new generation devices **What problems is Nagios Core 4.4.5 on Ubuntu 18 solving and how is that benefiting you?** The product provides the most of the systems, devices and applications monitoring. Overall a good product with loaded features. ### 2. Nagios Core works pretty well with Ubuntu 18 **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Printing | Small-Business (50 or fewer emp.) This reviewer's identity has been verified by our review moderation team. They have asked not to show their name, job title, or picture. **Current User:** The reviewer uploaded a screenshot or submitted the review in-app verifying them as current user. **Validated Reviewer:** Validated through a business email account **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** February 22, 2024 **What do you like best about Nagios Core 4.4.5 on Ubuntu 18?** Open Source and Free: Nagios Core, being an open-source tool, is highly favored by organizations and individuals who prefer transparent, cost-effective solutions for network monitoring. Being one of the most popular monitoring tools, Nagios has a large, active community **What do you dislike about Nagios Core 4.4.5 on Ubuntu 18?** Sometimes it is not that easy to properly setup Nagios Core. **What problems is Nagios Core 4.4.5 on Ubuntu 18 solving and how is that benefiting you?** It helps me properly monitor my whole environment, and the option to have some self-customized scripts to integrate with Nagios is great. Also, integrating with Zenduty to send pagers whenever a critical alert is triggered. ### 3. Best Open Source Network Monitoring Application **Rating:** 5.0/5.0 stars **Reviewed by:** Santanu D. | Affiliate Marketing Specialist, Mid-Market (51-1000 emp.) **Validated Reviewer:** Validated through LinkedIn **Incentivized:** This reviewer was offered a nominal gift card as thank you for completing this review. **Source: G2 invite:** Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review. **Reviewed Date:** June 22, 2022 At G2, we prefer fresh reviews and we like to follow up with reviewers. They may not have updated their review text, but have updated their review. **What do you like best about Nagios Core 4.4.5 on Ubuntu 18?** It can remotely monitor specific operating system parameters and send alerts via mail or SMS **What do you dislike about Nagios Core 4.4.5 on Ubuntu 18?** Customer Support should be better. Otherthan all is ok till now. **Recommendations to others considering Nagios Core 4.4.5 on Ubuntu 18:** yes **What problems is Nagios Core 4.4.5 on Ubuntu 18 solving and how is that benefiting you?** it will easily evaluate and track the issue. Also, the email and SMS function is very useful, so we get informed at very crucial times with findings, and also generate templates for popular endpoints which make it very better. - [View Nagios Core 4.4.5 on Ubuntu 18 pricing details and edition comparison](https://www.g2.com/products/nagios-core-4-4-5-on-ubuntu-18/reviews?section=pricing&secure%5Bexpires_at%5D=2026-09-25+01%3A47%3A48+-0500&secure%5Bsession_id%5D=0cbf8f98-00b5-413b-8c09-3d9e74510b28&secure%5Btoken%5D=a14bfedd2f649b3d67527e603ae68520e8838426ff482fcd4026fd116006fab5&format=llm_user) ## Nagios Core 4.4.5 on Ubuntu 18 Features **Agentic AI - AWS Marketplace** - Autonomous Task Execution - Multi-step Planning - Cross-system Integration ## Top Nagios Core 4.4.5 on Ubuntu 18 Alternatives - [WordPress.org](https://www.g2.com/products/wordpress-org/reviews) - 4.4/5.0 (9,391 reviews) - [TeamViewer](https://www.g2.com/products/teamviewer/reviews) - 4.5/5.0 (4,090 reviews) - [Okta](https://www.g2.com/products/okta/reviews) - 4.5/5.0 (1,392 reviews)