Observium – Rename existing devices

In case you have a lot of devices monitored by observium and for a reason (a hypervisor migration maybe?) you need to change servers’ hostnames, observium, at the time being, doesn’t seem to support renaming via its web interface but you can successfully do it from the command-line. Read the instructions below.

Change current directory to /opt/observium/ and execute

For older versions of observium you can try:

Additionally you can force snmp discovery and the poller: