Anu users running emonSD-26Oct17 who updated their emonPi / emonSD / emonBase between 17th October and 21st October 2018 will see this error in the emonPi update log “ERROR: emonSD base image old or undefined…update will not continue”
This error was caused by myself accidentally removing update script support for the emonSD-26Oct17. This issue has now been fixed thanks to @pb66. It’s now safe to go ahead an update.
However, any users who triggered an update between 17th October and 21st October 2018 will need to execute the following steps to re-enable update support:
Connect via SSH then temporarily change the emonSD version:
sudo mv /boot/emonSD-26Oct17 /boot/emonSD-13Jun18
Then run emonPi update via the web interface, it should run successfully. The emonSd version can then be reverted to avoid future confusion:
sudo mv /boot/emonSD-13Jun18 /boot/emonSD-26Oct17
I apologise for the inconvenience.