Saturday, October 6, 2018

Pandora FMS and eHorus - a great integrated network monitoring and SaaS cloud-based remote management system

Supratim Sanyal's Blog: eHorus integration with Pandora FMS at SANYALnet Labs
eHorus integration in Pandora FMS web interface (Processes vie)

After playing around with the usual network monitoring tools, all of them impressive (Nagios, PRTG, Zabbix, Zenoss), I have settled down on Pandora FMS for a few years to monitor hobbyist servers in SANYALnet Labs. With solid agent-based real-time performance monitoring and alarming capabilities and an impressive "recon" task with automatic network hierarchy discovery and visual network mapping features, Pandora FMS has been serving me very well.

After a recent upgrade to the latest Pandora FMS distribution, I discovered it supports seamless integration with the eHorus cloud-based remote management system (SaaS) for total command and control of my network nodes right from inside the Padora FMS web interface as well as the eHorus portal internet web-site.

The steps to deploy eHorus and the required registration form and agent downloads are described pretty well at the eHorus web-site. The free tier allows up to 10 nodes and one concurrent user - quite enough for a hobbyist environment like mine.

I started off by registering an account at the eHorus portal and installing the CentOS 7 64-bit eHorus agent on my Dell PowerEdge R710 virtualization host that runs a bunch of SANYALnet Labs hobbyist nodes.

downloaded and installed the eHorus agent for 64-bit CentOS 7 following these instructions.The only change I made to the /etc/ehorus/ehorus_agent.conf file is to substitute my real eHorus userid in the "#eh_user USER" parameter in the config file.

I then enabled and started the ehorus_agent_daemon using the systemctl command.

# systemctl enable  ehorus_agent_daemon
# systemctl start ehorus_agent_daemon
# systemctl status  ehorus_agent_daemon
● ehorus_agent_daemon.service - LSB: eHorus Agent startup script
   Loaded: loaded (/etc/rc.d/init.d/ehorus_agent_daemon; bad; vendor preset: disabled)
   Active: active (running) since Fri 2018-10-05 23:55:20 UTC; 2h 13min ago
     Docs: man:systemd-sysv-generator(8)
   CGroup: /system.slice/ehorus_agent_daemon.service
           └─20940 /usr/bin/ehorus_agent -f /etc/ehorus/ehorus_agent.conf

Oct 05 23:55:18 dell-poweredge-r710.sanyalnet.lan systemd[1]: Starting LSB: eHorus Agent startup script...
Oct 05 23:55:19 dell-poweredge-r710.sanyalnet.lan ehorus_agent_daemon[20908]: 2018-10-05 23:55:19 [log][2] WARNING: no pas...t!
Oct 05 23:55:20 dell-poweredge-r710.sanyalnet.lan ehorus_agent_daemon[20908]: eHorus Agent is now running with PID 20940
Oct 05 23:55:20 dell-poweredge-r710.sanyalnet.lan systemd[1]: Started LSB: eHorus Agent startup script.
Hint: Some lines were ellipsized, use -l to show in full.

Checking the eHorus web portal, I could now see my server:

Supratim Sanyal's Blog: eHorus Portal (SANYALnet Labs)
eHorus Portal (internet web site) with one server

eHorus provides the following options for command and control of configured servers:

  • Terminal
  • Desktop,
  • Processes
  • Services
  • Files.

Supratim Sanyal's Blog: eHorus Details Screen (SANYALnet Labs)
eHorus Node Details Screen at Web Portal

eHorus integrates with Pandora FMS enabling seamless monitoring and control facilities for nodes from right inside the Pandora FMS web UI. Here is an example of a eHorus terminal window inside a Pandora FMS web session:

Supratim Sanyal's Blog: eHorus Details Screen (SANYALnet Labs)
 eHorus terminal inside Pandora FMS
I will gradually deploy eHorus remote management agents on some of my other nodes. Unfortunately, the eHorus agent is not available for OpenVMS VAX or Alpha, Solaris, AIX, NetBSD and similar unusual operating systems that I play around with.

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