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Prerequisites

  • NMIS installed on the same server that opCharts is being installed (NMIS version >=8.5.6G).
  • The individual performing this installation has a small bit of Linux experience.

  • Root access is available.

  • Internet access is required for installing any missing but required software packages.
  • opCharts License (evaluation available here).

Preparation

Installation Steps

Transfer the opCharts tarball onto the server in question, either by direct download from the Opmantek website, or from your desktop with scp or sftp or a similar file transfer tool.
Make a record of where you put the tarball (root's home directory or /tmp are good locations).

  • Become root and unpack the tarball:

    Code Block
    # become root
sudo sh
# if the tarball was saved in a different location, adjust the following command 
cd
tar xzf opCharts-x86_64-2.0.1.tar.gz

  • Start the interactive installer and follow its instructions:

    Code Block
    sudo sh
cd opCharts-2.0.1
./installer

++++++++++++++++++++++++++++++++++++++++++++++++++++++
opCharts (2.0.1) Installation script
++++++++++++++++++++++++++++++++++++++++++++++++++++++

This installer will install opCharts into /usr/local/omk.
To select a different installation location please rerun the 
installer with the -t option.
...
  • The installer will interactively guide you through the steps of installing opCharts. Please make sure to read the on-screen prompts carefully.
  • When the installer finishes, opCharts is installed into /usr/local/omk, and the default configuration files are in /usr/local/omk/conf, ready for your initial config adjustments.
  • A detailed log of the installation process is saved as /usr/local/omk/install.log, and subsequent upgrades or installations of other Opmantek products will add to that logfile.
  • For detailed information about the interactive installer please check the Opmantek Installer page.

Initial Configuration

  • You will need to adjust the NMIS-related settings:
    open conf/opCommon.nmis in an editor, go to the nmis section and change the nmis_dir to reflect your NMIS installation. 
    The result should look similar to the following (but there might be extra settings related to other products):

    Code Block
    'nmis' => {
    'nmis_dir' => '/usr/local/nmis8',
    'nmisConf' => 'Config',
    '<nmis_logs>' => '/usr/local/nmis8/logs',
    'nmis_host_base' => 'http://localhost',
    'nmis_cgi_url_base' => '/cgi-nmis8',
    'prefer_local_nmis' => 'false'    
  },

  • After completing your configuration changes you'll need to restart the opCharts daemon.
    Simply run the following commands as root: 

    Code Block
    # don't forget to become root, using sudo sh or su
service omkd restart
# to verify the status of the daemons:
service omkd status

  • Authentication
    The installer will backup /usr/local/omk/conf/users.dat and then create a symlink to users.dat in your NMIS directory if it was found during installation.  If the NMIS users.dat file could not be found the existing users.dat file in omk/conf/ will be used, if that is not found the default users.dat file will be copied to omk/conf/. Default credentials can be found here.

Where to go from here

First you should test opCharts: open up a web browser, and point it to "http://<yourserverip>/omk/opCharts"; you will have to enter your license first, then you will see opCharts' main dashboard. See the authentication bullet point above for user/password info.