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How do I install an OP5 Monitor software license file onto a an OP5 server (master or poller)?


This depends on whether the OP5 server is a more recent setup, an older (upgraded) setup, or hosted on Red Hat Enterprise Linux (RHEL) 7 or CentOS 7.

Newer Servers and EL7 Servers

The original steps (see below) depended on the 'op5config' scripts installed with the OP5 web pages. These were removed during the v7.3 series and never included with the EL7 setups. We offer these manual instructions instead. These will also work with older setups:

See also: OP5 Basic Configuration FAQ

Step-by-step guide

  1. Have OP5 provide your valid OP5 license file to you. Please contact us if you cannot find it.
  2. Copy your license to your OP5 monitor server using an SCP client, such as 'winscp' on Windows. The instructions from a MacOS command line would look a lot like this:
    copy the license file to the OP5 Monitor server
    scp ~/Downloads/license-f00b4r.lic op5@op5mon.svr:/tmp
  3. As root user on your OP5 monitor server, copy the license to /etc/op5license and name it 'op5license.lic':
    copy the license to its proper home
    cp path_to_your_license /etc/op5license/op5license.lic
  4. Set ownership and permissions:
    set ownership and permissions
    chmod 640 /etc/op5license/op5license.lic
    chown apache:apache /etc/op5license/op5license.lic
  5. Verify that the license will pass the "License - Days left" check:
    run the service check as the monitor user
    asmonitor /opt/plugins/check_op5_license -T d -w 30 -c 15

Older and Upgraded Servers

The license file is easily installed by following the instructions found below.


  1. Use your web browser to access your op5 server via its host name or IP address. Click on the menu option called Configure System (as can be seen in the image below) once the home page has been loaded.
  2. To access the configuration, enter the system's root password and hit the Login button. In the op5 Virtual Appliance, the default password is monitor.
  3. Once successfully logged in, click on the License Management option at the right hand side of the page. The screenshot below displays only this single option, but your op5 system might have several additional menu options.
  4. Now click on the Choose File button, and finally select and upload the license file received from op5.