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Course Outline
Introduction to Open Source Network Monitoring
- Evolving landscape of network monitoring: from SNMP to modern telemetry
- Concerns regarding vendor lock-in in commercial monitoring solutions
- Overview of the open-source monitoring ecosystem
- LibreNMS vs Zabbix: selecting the appropriate platform
- Hybrid and complementary monitoring strategies
LibreNMS Architecture and Installation
- Overview of LibreNMS architecture and its components
- Installation methods: manual setup versus Docker deployment
- Database configuration (MySQL/MariaDB)
- Web server setup (Apache/Nginx with PHP-FPM)
- RRDtool configuration and tuning
- Initial setup and validation
Zabbix Architecture and Installation
- Zabbix architecture: server, proxy, agent, and frontend
- Installation methods: packages, Docker, and source compilation
- Database setup and optimization (MySQL/PostgreSQL/TimescaleDB)
- Server and frontend configuration
- First-time setup wizard
- Scalability considerations from the outset
Device Discovery and Inventory
- Automatic network discovery in LibreNMS
- Zabbix network discovery and auto-registration features
- SNMP versions and security protocols (v1, v2c, v3)
- Device classification and grouping strategies
- Managing location and contact details
- Importing/exporting data and bulk configuration
Deep Dive into SNMP Monitoring
- Fundamentals of the SNMP protocol and MIBs
- Configuring SNMP on network devices (routers, switches, firewalls)
- Monitoring custom OIDs and polling configurations
- SNMPv3 security features: authentication and encryption
- Troubleshooting SNMP connectivity issues
- Vendor-specific SNMP considerations
Agent-Based Monitoring
- Installation and configuration of the Zabbix agent
- Zabbix agent 2: the next-generation Go-based agent
- LibreNMS agent and check_mk integration
- Using custom scripts and user parameters
- Differences between passive and active agent modes
- Deploying agents at scale using Ansible, Puppet, or Chef
Windows and Linux Server Monitoring
- Monitoring Windows performance counters and services
- Linux system metrics: CPU, memory, disk, and network
- Monitoring processes and services
- Log file monitoring and parsing techniques
- JVM and application monitoring
- Container monitoring for Docker and Kubernetes
Network Equipment Monitoring
- Switch monitoring: port status, VLANs, STP, and MAC tables
- Router monitoring: BGP, OSPF, and routing tables
- Firewall monitoring: sessions, throughput, and rule hits
- Wireless access point monitoring
- Environmental monitoring: temperature, power, and UPS status
- Tracking interface utilization and errors
Virtualization and Cloud Monitoring
- Integrating VMware vSphere monitoring
- Monitoring Proxmox VE environments
- Hyper-V monitoring capabilities
- AWS/Azure/GCP cloud monitoring APIs
- OpenStack monitoring
- Container orchestration monitoring
Item Types and Data Collection
- Zabbix item types: Zabbix agent, SNMP, IPMI, JMX, SSH, Telnet
- Using calculated and aggregate items
- Dependent items and preprocessing techniques
- LibreNMS poller modules and OS discovery
- Custom data collection methods
- Understanding data types and units
Alerting and Triggers
- Zabbix trigger expressions and functions
- Managing trigger dependencies and event correlation
- LibreNMS alert rules and transport mechanisms
- Notification channels: email, SMS, Slack, PagerDuty, and webhooks
- Escalation procedures and acknowledgment workflows
- Configuring maintenance windows and scheduled downtime
Dashboards and Visualization
- Creating Zabbix dashboards and screens
- Using graph widgets and network maps
- Customizing LibreNMS dashboards
- Creating custom graphs and templates
- Building network topology maps and discovery tools
- Integrating Grafana for advanced visualization
Reporting and Analytics
- Generating SLA and availability reports
- Creating capacity planning reports
- Custom report generation techniques
- Scheduling report delivery
- Trend analysis and forecasting methods
- Automating reports via API
Distributed and High-Availability Monitoring
- Deploying Zabbix proxies for remote sites
- Setting up Zabbix server clustering and high availability
- Configuring LibreNMS distributed pollers
- Load balancing across multiple pollers
- Strategies for geographic distribution
- Database replication and clustering setups
Performance Optimization
- Optimizing and tuning the database
- Enhancing poller performance with concurrent checks
- Optimizing history and trend storage
- Implementing housekeeping and data retention policies
- Effective caching strategies
- Guidelines for hardware sizing and scaling
Security and Access Control
- User authentication options: LDAP, SAML, MFA integration
- Configuring role-based access control
- Managing permissions for host groups and templates
- API security and token management
- Audit logging and compliance measures
- Ensuring secure communications (TLS/SSL)
Automation and Integration
- Utilizing the Zabbix API for scripting
- Leveraging LibreNMS API for automation
- Webhook integrations for ticketing systems
- Using Ansible modules for configuration management
- Integrating with CI/CD pipelines
- Automating notifications through ChatOps
Migration from Commercial Tools
- Evaluating the need to replace commercial monitoring tools
- Strategies and tools for data migration
- Managing coexistence during the transition phase
- Staff training and documentation updates
- Lessons learned from real-world production migrations
Production Deployment Best Practices
- Establishing backup and disaster recovery procedures
- Implementing upgrade strategies for production environments
- Creating documentation and runbooks
- Conducting testing and validation procedures
- Leveraging community support and contributing back
Requirements
- Understanding of network protocols (SNMP, ICMP, TCP/UDP)
- Experience with Linux system administration
- Knowledge of fundamental networking concepts (subnets, routing, switching)
- Familiarity with database concepts (MySQL/PostgreSQL)
- Basic experience in web server administration
Target Audience
- Network Administrators and Engineers
- System Administrators responsible for infrastructure monitoring
- IT Operations Managers
- NOC Engineers and Monitoring Specialists
28 Hours
Testimonials (2)
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Vu Thoai Le - Reply Polska sp. z o. o.
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