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Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
10 spots per session maximum — 8 already taken
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30 free minutes with a training advisor — no commitment.
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Don't let this gap widen
Without mastering professional IT monitoring, system outages go undetected for hours, crippling operations and leaving teams reactive instead of proactive.
Businesses suffer an average $5,600 per minute of downtime, with 80% of major incidents tied to poor monitoring—equating to $100,000+ lost monthly in productivity and recovery costs for mid-sized firms.
Unoptimized monitoring exposes networks to breaches, compliance violations, and scalability failures, threatening IT managers' careers and company reputations.
Each week without expertise, risks escalate, turning preventable issues into multimillion-dollar disasters.
The Nagios Training: Mastering Professional IT Monitoring training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Nagios Training: Mastering Professional IT Monitoring training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Nagios Training: Mastering Professional IT Monitoring training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Presentation of IT monitoring challenges. Overview of Nagios: history, key concepts, architecture (Nagios Core, plugins, agents, Web UI). System prerequisites and installation of a Nagios server on Linux (Debian/Ubuntu/CentOS). Exploration of the Web interface, initial checks, and basic tests.
Structuring configuration files: hosts, services, groups, contacts, templates. Monitoring network equipment (switches, routers, firewalls), monitoring Linux and Windows servers (CPU, RAM, disks, processes, services). Installation and use of NRPE and NSClient++. Configuration of alerts and email notifications. Introduction to external plugins and custom scripts.
Creation and customization of Nagios plugins in Bash, Python, or Perl. Setting up alert escalations, management of scheduled maintenance periods, automation of corrective actions. Leveraging reports, advanced visualization (Nagiosgraph, NagVis). Recommended practices for Nagios security and performance. Real-world monitoring cases and hands-on workshop for complete IT system configuration.
Target audience
System administrators, network engineers, IT managers wishing to implement or optimize an open source monitoring solution.
Prerequisites
Linux system administration basics and fundamental networking knowledge.
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