1. Network Monitoring Manage your business without blowing your budget. Learn how the Calhoun ISD utilizes free “Open Source” tools for real-time monitoring of the entire technology infrastructure - everything from network hardware, server hardware, disk space, core services and applications to phone systems and network bandwidth. In addition, discover how alerts are managed and distributed using multiple mechanisms including e-mail, text messaging, and phone. *FREE*

2. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Sam Lutgring Director of Informational Technology Services Calhoun Intermediate School District 17111 G Drive North Marshall, MI 49068 269-789-2433 lutgrins@calhounisd.org

3. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 What is Network Monitoring? Wikipedia - Definition The term network monitoring describes the use of a system that constantly monitors a computer network for slow or failing components and that notifies the network administrator (via email, pager or other alarms) in case of outages.

4. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Why Should I be Monitoring? Predictive Maintenance Faster Response Time Simplified Troubleshooting Record Keeping

5. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 What Can I Monitor? Anything …. ‾Network Equipment  Routers  Switches ‾Servers  Disk Space  Services ‾Bandwidth ‾Phone Systems ‾HVAC

6. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Notifications or Alerts? E-mail Text Messaging Phone Calls Handhelds (Smart Phone) Managing ‾Time Frames ‾Groups ‾Escalation ‾Rotation

7. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Consolidated Management CISD Technology Portal

8. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Nagios Offers complete monitoring and alerting for servers, switches, applications, and services. Runs on Linux and Unix variants Supports active and passive checks as well as distributed monitoring and failover Accessed through a web interface ® http://www.nagios.org/

9. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Nagios - Monitoring Public Services Monitor public services directly from Nagios ‾PING ‾SNMP (Simple Network Management Protocol)  Interface Status  CPU Load  Memory Load ‾HTTP/s ‾SMTP ‾IMAP/POP ‾DNS ‾FTP ‾Telnet ®

10. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Nagios - Linux Server Monitoring NRPE - is a monitoring agent and protocol used to monitor Linux and Unix with Nagios. Easily monitor ‾CPU Load ‾Memory Usage ‾Swap Usage ‾Disk Usage ‾Process State ®

11. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Nagios - Monitoring Windows NSClient++ - installed as a Windows service and used to monitor private services ‾Memory Usage ‾CPU Usage ‾Disk Usage ‾Service States ‾Running Processes ®

12. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Nagios - Configure Host define host { host_namer1.maeds.org aliasMAEDS Internet Router address 92.168.1.254 parentsinternet check_command check-host-alive check_interval5 retry_interval 1 max_check_attempts 5 check_period 24x7 contact_groups maeds-admins notification_interval 30 notification_period 24x7 notification_options d,u,r } ®

13. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Nagios - Notifications E-mail Text Messaging Phone Calls Groups ®

14. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Nagios - Notifications E-mail Text Messaging Phone Calls Groups ®

15. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Nagios - Notifications E-mail Text Messaging Phone Calls Groups ®

16. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Nagios - Notifications E-mail Text Messaging Phone Calls ‾Can be used for Status Notifications ‾Can accept an Acknowledgement Groups ®

17. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Nagios - Notifications E-mail Text Messaging Phone Calls Groups ‾Assign Contacts to Groups ‾Assign Groups to a Host ®

18. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Nagios - Configure Contact define contact { contact_name jdoe alias John Doe service_notification_period 24x7 host_notification_period 24x7 service_notification_options w,u,c,r host_notification_options d,u,r service_notification_commands notify-by-email host_notification_commands host-notify-by-email email jdoe@localhost.localdomain pager 555-5555@att.com } ®

19. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 Nagios - Interface CISD Nagios Interface ®

20. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 NagVis A visualization addon for Nagios. Allows you to “plot” your Nagios Managed nodes on a custom image file. ‾Vizio Drawing ‾Picture of Closet ® http://www.nagvis.org/

21. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 NagVis - Interface CISD Nagios Interface ®

22. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 MRTG Utilizes SNMP to collect Network Interface Usage Statistics (bandwidth) from routers switches Creates and manages historical graphs Nagiosgraph – Nagios plugin that lets you view MRTG graphs right in Nagios. ® http://oss.oetiker.ch/mrtg/

23. Sam Lutgring Calhoun Intermediate School District MAEDS 2011 MRTG - Interface CISD MRTG ®