Nagios
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Nagios - Presentation Transcript
- Why Monitoring
- Numerous Amount of Servers are assigned to a System Administrator
- Each Server's role is different
- Many servers run 24x7 with mission critical applications
- Planning
- What and How to Monitor
- Is It beneficial(Over monitor, Alert)
- Who is asking?
- Change of Requirements
- Can you Monitor Servers?
- Can you Separate alert groups, Can you send alert when something happens
- Can you Exclude 30 min from Monitoring, Can you monitor Oracle access, can you .....
- Software Selection
- Scalability
- Cost
- Support
- Requirement Analysis
- Test version available?
- Methods currently available
- Available Software
- Nagios
- Groundworks
- Cacti
- Openview
- HPSMH
- Dell OpenManage with DRAC
- Nagios
- Well Documented
- Customizable
- Can Write plugins
- sh, bash, perl, c c++
- Easy Installation
- Configuration Tips
- Use Template
- Use Hierarchal structure
- Utilize open source project
- Nagios Exchange
- Find scripts that satisfy your needs
- Configuration
- nagios.cfg
- checkcommands.cfg
- contacts.cfg
- contactgroups.cfg
- hostgroups.cfg
- resource.cfg
- timeperiods.cfg
- Cautions
- Alert Management
- Check Interval
- How many Tries
- Password injection
- Maximum numbers
- 500 hosts, 3000 pollings
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Slides from Shohei Azuma's talk on CSU East Bay LUG more
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