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Course Outline
Introduction to Open Source Network Monitoring
- The evolution of network monitoring: from SNMP to modern telemetry
- Concerns regarding vendor lock-in in commercial monitoring solutions
- Overview of the open-source monitoring landscape
- Comparing LibreNMS and Zabbix: selecting the appropriate platform
- Strategies for hybrid and complementary monitoring
LibreNMS Architecture and Installation
- Overview of LibreNMS architecture and its components
- Installation options: manual setup versus Docker deployment
- Database configuration (MySQL/MariaDB)
- Web server configuration (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)
- Configuration of the server and frontend
- Guided first-time setup wizard
- Scalability considerations from the outset
Device Discovery and Inventory
- Automatic network discovery features in LibreNMS
- Zabbix network discovery and auto-registration capabilities
- SNMP versions and security measures (v1, v2c, v3)
- Device classification and grouping strategies
- Management of location and contact details
- Bulk configuration via import/export functionalities
SNMP Monitoring Deep Dive
- Fundamentals of the SNMP protocol and MIBs
- Configuring SNMP on network devices (routers, switches, firewalls)
- Monitoring custom OIDs and polling mechanisms
- SNMPv3 security: ensuring authentication and encryption
- Troubleshooting common 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
- Utilizing custom scripts and user parameters
- Differences between passive and active agent modes
- Scalable agent deployment using Ansible, Puppet, or Chef
Windows and Linux Server Monitoring
- Monitoring Windows performance counters and services
- Collecting Linux system metrics: CPU, memory, disk, and network
- Monitoring processes and services
- Making log file monitoring and parsing efficient
- JVM and application-level monitoring
- Container monitoring for Docker and Kubernetes environments
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
- Monitoring wireless access points
- Environmental monitoring: temperature, power supply, and UPS status
- Tracking interface utilization and errors
Virtualization and Cloud Monitoring
- Integrating VMware vSphere monitoring
- Proxmox VE monitoring capabilities
- Hyper-V monitoring solutions
- AWS/Azure/GCP cloud monitoring APIs
- OpenStack monitoring strategies
- Monitoring container orchestration platforms
Item Types and Data Collection
- Zabbix item types: Zabbix agent, SNMP, IPMI, JMX, SSH, Telnet
- Creating calculated and aggregate items
- Using dependent items and preprocessing techniques
- LibreNMS poller modules and OS discovery mechanisms
- Implementing 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, webhooks
- Workflow management for escalation and acknowledgment
- Scheduling maintenance windows and downtime
Dashboards and Visualization
- Zabbix dashboards and screen layouts
- Configuring graph widgets and network maps
- Customizing LibreNMS dashboards
- Creating custom graphs and templates
- Network topology map creation and discovery
- Integrating Grafana for advanced visualization
Reporting and Analytics
- Generating SLA and availability reports
- Capacity planning reports
- Creating custom reports
- Scheduling report delivery
- Performing trend analysis and forecasting
- Automating reports via API
Distributed and High-Availability Monitoring
- Deploying Zabbix proxies for remote sites
- Zabbix server clustering and high availability (HA)
- Setting up distributed pollers in LibreNMS
- Load balancing across multiple pollers
- Strategies for geographic distribution
- Database replication and clustering techniques
Performance Optimization
- Optimizing and tuning the database
- Enhancing poller performance and concurrent checks
- Optimizing history and trend storage
- Defining housekeeping and data retention policies
- Implementing caching strategies
- Guidelines for hardware sizing and scaling
Security and Access Control
- User authentication integration: LDAP, SAML, MFA
- Configuring role-based access control
- Managing host group and template permissions
- API security and token management
- Audit logging and compliance requirements
- Ensuring secure communications (TLS/SSL)
Automation and Integration
- Using the Zabbix API for scripting
- Leveraging the LibreNMS API for automation
- Webhook integrations with ticketing systems
- Ansible modules for configuration management
- Integrating with CI/CD pipelines
- Automating ChatOps and notifications
Migration from Commercial Tools
- Evaluating the replacement of commercial monitoring tools
- Data migration strategies and supporting tooling
- Managing coexistence during the transition phase
- Staff training and documentation preparation
- Lessons learned from real-world production migrations
Production Deployment Best Practices
\r- Backup and disaster recovery procedures
- Upgrade strategies for production environments
- Creating documentation and runbooks
- Testing and validation procedures
- Leveraging community support and contributing to it
Requirements
- Familiarity with network protocols (SNMP, ICMP, TCP/UDP)
- Experience in Linux system administration
- Understanding of fundamental networking concepts (subnets, routing, switching)
- Knowledge of database principles (MySQL/PostgreSQL)
- Basic experience with web server administration
Audience
- Network Administrators and Engineers
- System Administrators tasked with 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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