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MODULE 11 - Monitoring and Logs

Overview​

This module teaches you how to monitor performance and analyze logs. You will discover monitoring tools, log management, and how to monitor scheduled tasks.

Learning Objectives​

By the end of this module, you will be able to:

  • Monitor system resources (CPU, memory, disk)
  • Analyze logs with journalctl and /var/log
  • Configure log rotation (logrotate)
  • Monitor crons: logs and notifications
  • Use monitoring tools (sar, sysstat)
  • Configure alerts

Estimated Duration​

Theory: 4-5 hours
Practice: 4-5 hours
Total: 8-10 hours

Key Concepts​

System Monitoring​

  • top, htop, iotop, vmstat
  • CPU, memory, disk usage
  • Processes and resources

Logs​

  • journalctl (systemd)
  • /var/log
  • logrotate

Cron Monitoring​

  • Cron logs: /var/log/cron or journalctl
  • Notifications and alerts
  • Execution monitoring

Module created on: December 2024