Browse Library
Sign In Start Free Trial
Close icon Search icon
Account
Browse Library Advanced Search Sign In Start Free Trial

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying Learning Nagios 4
  • Table Of Contents Toc
  • Feedback & Rating feedback
Learning Nagios 4

Learning Nagios 4

By : Wojciech Kocjan
4.2 (10)
Buy this Book
close
close
Learning Nagios 4

Learning Nagios 4

4.2 (10)
By: Wojciech Kocjan
Buy this Book

Overview of this book

Table of Contents (19 chapters)
close
close
close
Learning Nagios 4
Icon
Learning Nagios 4
Credits
Icon
Credits
About the Author
Icon
About the Author
About the Reviewers
Icon
About the Reviewers
www.PacktPub.com
Icon
www.PacktPub.com
Preface
Icon
Preface
Lock Free Chapter
1
Introducing Nagios
Icon
Introducing Nagios
Icon
Understanding the basics of Nagios
Icon
Soft and hard states
Icon
What's new in Nagios 4.0
Icon
Summary
2
Installing Nagios 4
Icon
Installing Nagios 4
Icon
Installation
Icon
Configuring Nagios
Icon
Summary
3
Using the Nagios Web Interface
Icon
Using the Nagios Web Interface
Icon
Setting up the web interface
Icon
Using the web interface
Icon
Managing hosts
Icon
Managing services
Icon
Managing downtime
Icon
Managing comments
Icon
Nagios information
Icon
Generating reports
Icon
Changing the look of the Nagios web interface
Icon
Third-party Nagios web interfaces
Icon
Summary
4
Using the Nagios Plugins
chevron up
Icon
Using the Nagios Plugins
Icon
Understanding how checks work
Icon
Monitoring using the standard network plugins
Icon
Monitoring the e-mail servers
Icon
Monitoring network services
Icon
Monitoring the database systems
Icon
Monitoring the storage space
Icon
Monitoring the resources
Icon
Monitoring other operations
Icon
Additional and third-party plugins
Icon
Summary
5
Advanced Configuration
Icon
Advanced Configuration
Icon
Creating maintainable configurations
Icon
Configuring the file structure
Icon
Defining the dependencies
Icon
Using the templates
Icon
Using the custom variables
Icon
Understanding flapping
Icon
Summary
6
Notifications and Events
Icon
Notifications and Events
Icon
Creating effective notifications
Icon
Understanding escalations
Icon
Sending commands to Nagios
Icon
Creating event handlers
Icon
Using adaptive monitoring
Icon
Summary
7
Passive Checks and NSCA
Icon
Passive Checks and NSCA
Icon
Understanding passive checks
Icon
Using NSCA
Icon
Summary
8
Monitoring Remote Hosts
Icon
Monitoring Remote Hosts
Icon
Monitoring over SSH
Icon
Monitoring using NRPE
Icon
Comparing NRPE and SSH
Icon
Alternatives to SSH and NRPE
Icon
Summary
9
Monitoring using SNMP
Icon
Monitoring using SNMP
Icon
Introducing SNMP
Icon
Working with SNMP and MIB
Icon
Setting up an SNMP agent
Icon
Using SNMP from Nagios
Icon
Summary
10
Advanced Monitoring
Icon
Advanced Monitoring
Icon
Monitoring Windows hosts
Icon
Understanding distributed monitoring
Icon
Using templates for distributed monitoring
Icon
Summary
11
Programming Nagios
Icon
Programming Nagios
Icon
Introducing Nagios customizations
Icon
Programming in C with libnagios
Icon
Creating custom active checks
Icon
Checking websites
Icon
Virtualization and clouds
Icon
Writing commands to send notifications
Icon
Managing Nagios
Icon
Summary
12
Using the Query Handler
Icon
Using the Query Handler
Icon
Introducing the query handler
Icon
Using the core service
Icon
Introducing Nagios Event Radio Dispatcher
Icon
Summary
1
Index
Icon
Index

Monitoring using the standard network plugins

One of the basic roles of a plugin is to monitor local or remote hosts and verify if they are working correctly. There is a choice of generic plugins to accomplish this task.

Standard networking plugins allow hosts to be monitored using ICMP ECHO (refer to http://en.wikipedia.org/wiki/Ping). This is used to determine whether a computer is responding to IP requests. It is also used to measure the time that a machine takes to respond, and how many packages are lost during the communication. These plugins also try to connect to certain TCP/UDP ports. This is used to communicate with various network-based services to make sure that they are working properly, and respond within a defined amount of time.

Testing the connection to a remote host

Checking if a host is alive is a basic test that should be performed for all remote machines. Nagios offers a command that is commonly used for checking if a host is alive and plugged into the network. The syntax...

Visually different images
CONTINUE READING
83
Tech Concepts
36
Programming languages
73
Tech Tools
Icon Unlimited access to the largest independent learning library in tech of over 8,000 expert-authored tech books and videos.
Icon Innovative learning tools, including AI book assistants, code context explainers, and text-to-speech.
Icon 50+ new titles added per month and exclusive early access to books as they are being written.
Learning Nagios 4
End of Section 4
Next Section
notes
bookmark Notes and Bookmarks search Search in title playlist Add to playlist font-size Font size

Change the font size

margin-width Margin width

Change margin width

day-mode Day/Sepia/Night Modes

Change background colour

Close icon Search
Country selected
Close icon Your notes and bookmarks

Confirmation

Modal Close icon
claim successful
Order Page Read Now

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY

Submit Your Feedback

Modal Close icon
Modal Close icon
Modal Close icon