Monitor Synology disk temperature from SNMP
I’m always looking at how to get informations from my I.T. systems ; although it often ends they do nothing…
Here’s a trick to monitor the disks temperature of a Synology NAS (DS409slim in my case).
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Improve Synology DS409slim shell using ipkg
I own a Synology DS409slim on which I have enabled SSH. The primary idea was just to have a look behind the hoods. This is quite simple: browse to the configuration panel, select the terminal services section and active the SSH daemon.
But once there, you’re stuck with a basic shell and a few commands. No `less`, no `grep`, no `bzip2`, no `perl`… Synology provides an official packages repository that provides a few extra features ; like VPN, LDAP and such ; but not so much to get a “complete” UNIX environment. The savior here is called “ipkg”. Quoting Wikipedia: “(…) the Itsy Package Management System (ipkg), is a lightweight package management system designed for embedded devices that resembled Debian’s dpkg. (…)”. It provides a bunch a GNU-like tools and it runs on the Synology!
Monitor a Synology NAS with Munin
My Synology DiskStation DS409slim is, via the DSM software, SNMP aware. This means I can poll it to get some information using a SNMP capable monitoring system. This is how I configured Munin to grab some metrics from the NAS.