Unless you are running trusty, you need
$ sudo maas .... and $ maas-cli login ....
Trusty onwards it's:
$ sudo maas-region-admin and $ maas login ...
Unless you are running trusty, you need
$ sudo maas ....
and
$ maas-cli login ....
Trusty onwards it's:
$ sudo maas-region-admin
and
$ maas login ...