In case anyone needs, I found a solution that worked for me (ubuntu 16.04): remove omada package (it will remove dependencies as well, you may also need to run with --purge option): dpkg -r omada...

I'm also having the same issue, i.e. missing "uninstall.sh". So I created a new one as suggested above, and it executed successfully: # /opt/tplink/EAPController# bash uninstall.sh Omada Controller...