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Nagios Is The Industry Standard In IT Infrastructure Monitoring

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Achieve instant awareness of IT infrastructure problems, so downtime doesn't adversely affect your business.

Nagios offers complete monitoring and alerting for servers, switches, applications, and services.

With Nagios you can:
  • Monitor your entire IT infrastructure
  • Spot problems before they occur
  • Know immediately when problems arise
  • Share availability data with stakeholders
  • Detect security breaches
  • Plan and budget for IT upgrades
  • Reduce downtime and business losses




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Latest Nagios News

  • Nagios XI 2014r2.4 Released 21 Jan 2015 | 4:00 pm

    Nagios XI 2014r2.4 has just been released and is available for download. Notable additions in this release include improvements to internationalization, enhanced host/service/hostgroup/servicegroup searching in reports and CCM, and numerous bug fixes.

    To view a list of changes included in this release, you may reference the changelog.

    Users running Nagios XI 2014 may check for updates and upgrade using the web UI. If you are using a version older than XI 2014, you may manually upgrade by following the instructions listed here.

    We greatly appreciate the feedback that the Nagios community continues to provide. If there is a feature you would like to see in a future release of Nagios XI, be sure to share your ideas with our tech team in our Nagios Ideas Forum.

  • Vote Nagios for Network Monitoring Application of the Year 30 Dec 2014 | 2:07 pm

    Voting for the 2014 LinuxQuestions.org Members Choice Awards is underway and Nagios is in the running for Network Monitoring Application of the Year.

    We would love to win the poll for the 8th consecutive year, but we can't do it with out your help! Make sure to visit the forum and post your vote before February 3rd, 2015.

    Click Here to Visit the Forum and Post Your Vote

    *If you are new to the LinuxQuestions.org forums, you will first need to create an account and post a message to a forum board as part of the account set up process before you are able to cast your vote. If you have any questions, feel free to contact us.

    Don't forget to help spread the word and Share a Tweet!

  • Nagios XI 2014r2.3 Released 29 Dec 2014 | 4:47 pm

    Nagios XI 2014r2.3 has just been released and is available for download.

    To view a list of changes included in this release, you may reference the changelog.


    Users running Nagios XI 2014 may check for updates and upgrade using the web UI. If you are using a version older than XI 2014, you may manually upgrade by following the instructions listed here.

    We greatly appreciate the feedback that the Nagios community continues to provide. If there is a feature you would like to see in a future release of Nagios XI, be sure to share your ideas with our tech team in our Nagios Ideas Forum.

  • Nagios XI 2014r2.2 Released 26 Dec 2014 | 1:33 pm

    Nagios XI 2014r2.2 has just been released and is available for download.

    To view a list of changes included in this release, you may reference the changelog.


    Users running Nagios XI 2014 may check for updates and upgrade using the web UI. If you are using a version older than XI 2014, you may manually upgrade by following the instructions listed here.

    We greatly appreciate the feedback that the Nagios community continues to provide. If there is a feature you would like to see in a future release of Nagios XI, be sure to share your ideas with our tech team in our Nagios Ideas Forum.

  • NCPA 1.7.2 Released 27 Aug 2014 | 11:50 am

    NCPA 1.7.2 has been released and is available for download. NCPA, Nagios Cross Platform Agent, was designed to simplify the monitoring of devices with a wide variety of operating systems. NCPA can be used as a passive or active agent and monitors a multitude of different metrics right out of the box.

    Important changes in this release include:
    • Fixed API giving 500 error on windows when filtering processes
    • Resolved issue where warning/critical values were being truncated
    • Small Bug Fixes

    A full list of changes can be viewed in the changelog on GitHub.