Tag: Monitoring

Express.js

• Installation of Express.js
• Directory structure of an Express.js application
• Creation of a server
• Routing & Middleware functions
  • Error handling
  • server side Logging
  • …
• Server side modules: HTTP, HTTPS, URL, SSL/TLS, Cluster, DNS, Process & child process, REPL, Zlib
• Load balancing in association with nginx

Node.js – the foundation (Concepts and architecture only)

• Node.js, V8 & Server side development
  • Blocking vs. Non-Blocking
  • Event-driven Programming
  • Event Loop & the single threaded demultiplexer
• npm as a package manager
  • Dependency mechanisms
  • The package.json file
• Version migrations

V8 engine internals

• Performance
• V8 as a compiler
• Memory schemes
• Garbage collection
• Memory leaks

Monitoring

• Monitoring with sematext
• Monitoring with ruxit
• …

1.5 PM2

• Application packaging and deployments
• Nodejs+pm2 runtime packaging and deployment
• Nodejs scripts package
• Checking and switching nodejs version
• Filesystem locations and standards
• Logging
• Init scripts
• SSL/TLS certificates
• Monitoring
• Stop, start, delete, resurrect applications
• Stop, start, resurrect PM2 process

• application packaging and deployments
• nodejs+pm2 runtime packaging and deployment
• nodejs scripts package
• checking and switching nodejs version
• filesystem locations and standards
• log rotation
• init scripts
• SSL/TLS certificates
• monitoring
• stop, start, delete, resurrect applications
• stop, start, resurrect PM2 process

Introduction

• Master-node architecture

Installation

• Requirements
• Master and node setup

Monitoring with Munin

• Visualizing resources and trends
• Graphing system
• Data logging
• Integration with Nagios
• Monitoring Windows nodes

Working with Plugins

Working with the API

Troubleshooting Munin

Closing Remarks

Installation and Configuration

• Zabbix architecture
• Installation: Server, WEB interface and agent
• Initial configuration
• Zabbix definitions
• WEB interface overview

Data Collection and Monitoring

• Configuration management by using templates
• Agent-less monitoring
• Data collection – hosts, Zabbix agent checks
• Data visualization – simple graphs, overview
• Problem detection – triggers, less sensitive triggers, dependencies
• Data collection – aggregate and calculated checks
• Data visualization – custom graphs

Events and Alerts

• Events
• Notifications and escalations – media types, actions, operations

Zabbix Administration and Monitoring

• Automatic recovery by using remote commands
• Host and host group level maintenance
• Zabbix Administration – working time, housekeeper, authentication, front-end scripts
• Managing permissions – users and user groups, audit
• Automatic discovery – network discovery, active agent auto-registration
• Command line utilities: zabbix_get, zabbix_sender

Maintenance

• Proxy overview
• Maintenance and operations – best practices, DB sizing, upgrades