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Monitoring and Maintaining Servers with Nagios

Monitoring and Maintaining Servers with Nagios. David Millians millia@uga.edu · @millia13 · @ ugaetc University of Georgia Educational Technology Center. Network Management. Servers Switches Access Points Controllers UPSs Cameras, Phones, Printers More and more and more…. Why Nagios ?.

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Monitoring and Maintaining Servers with Nagios

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  1. Monitoring and Maintaining Servers with Nagios David Millians millia@uga.edu · @millia13 · @ugaetcUniversity of GeorgiaEducational Technology Center

  2. Network Management • Servers • Switches • Access Points • Controllers • UPSs • Cameras, Phones, Printers • More and more and more…

  3. Why Nagios? • Simple Results • Fast, Cheap and Good: Pick 2. • Extensive Device Support • Large Community Support • Forks? • Infinitely Customizable • Cross Platform • Unix/Linux/Windows/Whatever • Monitored Devices, not Monitoring ServerUse Appliance / FAN

  4. Nagios Monitoring • Dashboard Interface • Red/Yellow/Green • Tweakable, as expected • Reporting • Mail, SMS • Not as history-based by origin • Use other packages for log analysis • Munin, Atop, WMI

  5. Nagios Base Install • Install Packages • Compiling • Apache and other dependencies • Web Interface • Plugins (Base Set) • Mail • Use SMS gateways • Configure!

  6. What works… • Disk Space  • Disk S.M.A.R.T. Values  • RAID information  • Status of services   • Temperature Monitoring  • UPS Values   • Fan Monitoring  

  7. Takeaways • Use FAN or Appliance • Good for places with ‘solo’ macs • Good for places with Linux appliances • Good for small shops • Good for LOTS of VMs • Good for people with small budgets

  8. Links • Nagios: http://www.nagios.com/ • Exchange: http://exchange.nagios.org/ • FAN: http://www.fullyautomatednagios.org/ • Nsclient++: http://www.nsclient.org/nscp/

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