The above steps, plus

# gem install griff
# service httpd restart

... and the charts are being generated properly again. Posted in case anyone else has the problem.

Thanks. I agree that the amahi framework might have residual damage.

Any coders out there know what the underlying code for the piecharts is?

Edit: found disk_graph in /platform/platform/html/app/controllers/setup_controller_rb - requires gruff, so I'll start with those two.

Came back from a long trip to a borked amahi server (house had a long power failure). Couldn't find anything similar to my errors on the Amahi wiki/forum, so went after the symptoms from other sites. I reinstalled several yum and ruby gem components from commandline (commands itemized below). Sys se...