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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
- 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 using MySQL/MariaDB
- Web server setup (Apache/Nginx with PHP-FPM)
- Configuration and tuning of RRDtool
- Initial configuration and validation processes
Zabbix Architecture and Installation
- Zabbix architecture: server, proxy, agent, and frontend components
- Installation methods: packages, Docker, or source compilation
- Database setup and optimization (MySQL/PostgreSQL/TimescaleDB)
- Configuration of the server and frontend
- Utilizing the first-time setup wizard
- Scalability considerations from the outset
Device Discovery and Inventory
- Automatic network discovery capabilities in LibreNMS
- Zabbix network discovery and auto-registration features
- SNMP versions and security considerations (v1, v2c, v3)
- Device classification and grouping strategies
- Managing location and contact details
- Import/export functionalities and bulk configuration
SNMP Monitoring Deep Dive
- Fundamentals of the SNMP protocol and MIBs
- Configuring SNMP on network devices (routers, switches, firewalls)
- Custom OID monitoring and polling techniques
- SNMPv3 security: 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 Go-based next-generation agent
- LibreNMS agent and check_mk integration
- Creating custom scripts and user parameters
- Understanding passive versus active agent modes
- Scalable agent deployment using Ansible, Puppet, or Chef
Windows and Linux Server Monitoring
- Monitoring Windows performance counters and services
- Tracking Linux system metrics: CPU, memory, disk, and network
- Monitoring processes and services
- Log file monitoring and parsing techniques
- JVM and application monitoring
- Container monitoring using 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
- Integration with VMware vSphere monitoring
- Proxmox VE monitoring capabilities
- Hyper-V monitoring
- 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
- Configuring calculated and aggregate items
- Utilizing dependent items and preprocessing
- LibreNMS poller modules and OS discovery
- 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
- Implementing escalation and acknowledgment workflows
- Scheduling maintenance windows and downtime
Dashboards and Visualization
- Configuring Zabbix dashboards and screens
- Creating graph widgets and network maps
- Customizing LibreNMS dashboards
- Custom graph creation and templating
- Network topology maps and discovery tools
- Integrating Grafana for advanced visualization
Reporting and Analytics
- Generating SLA and availability reports
- Capacity planning reports
- Creating custom reports
- Scheduled report delivery options
- Trend analysis and forecasting techniques
- Automating reports via API
Distributed and High-Availability Monitoring
- Deploying Zabbix proxies for remote sites
- Zabbix server clustering and high availability (HA)
- Setting up LibreNMS distributed pollers
- Load balancing across multiple pollers
- Strategies for geographic distribution
- Database replication and clustering techniques
Performance Optimization
- Optimizing and tuning the database
- Poller performance and handling concurrent checks
- Optimizing history and trend storage
- Establishing housekeeping and data retention policies
- Implementing caching strategies
- Guidelines for hardware sizing and scaling
Security and Access Control
- User authentication via LDAP, SAML, and MFA integration
- Configuring role-based access control (RBAC)
- Managing permissions for host groups and templates
- Securing API access and managing tokens
- Audit logging and compliance measures
- Ensuring secure communications via TLS/SSL
Automation and Integration
- Utilizing the Zabbix API for scripting and automation
- LibreNMS API and automation capabilities
- Integrating webhooks with ticketing systems
- Using Ansible modules for configuration management
- Integrating with CI/CD pipelines
- Automating ChatOps and notifications
Migration from Commercial Tools
- Assessing the need to replace commercial monitoring tools
- Data migration strategies and available tooling
- Managing coexistence during the transition period
- Staff training and documentation efforts
- Lessons learned from production migrations
Production Deployment Best Practices
- Backup and disaster recovery procedures
- Strategies for upgrading production environments
- Creating documentation and runbooks
- Testing and validation procedures
- Leveraging community support and contributing back
Requirements
- Familiarity with network protocols (SNMP, ICMP, TCP/UDP)
- Experience in Linux system administration
- Knowledge of fundamental networking concepts (subnets, routing, switching)
- Understanding of database concepts (MySQL/PostgreSQL)
- Basic experience with web server administration
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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