After a power failure in my house, i noticed EasyIOT server (on rpi) was disable automatically "ESP8266 EasyIoT driver", its a bug or a "security mode" ?
It should run automatically. Try to enable driver and then shutdown EasyIoT in WEB UI -> this will properly shutdown server and save all settings. Then try to reboot server and see if driver is enabled.
You can also see if driver is enabled in systemconfig.xml.