I changed the nameserver to 8.8.8.8, rebooted the machine and I ran again.
ubuntu@zesty-unity8-snap:~$ sudo snap install unity8-session --edge --devmode [sudo] password for ubuntu: error: cannot perform the following tasks: - Fetch and check assertions for snap "unity8-session" (439) (Get https://assertions.ubuntu.com/v1/assertions/snap-revision/rjPkjvvl9AezpBRMi_cxP6yLUf7hychxwsOg7CT68Ygr9JnccHmvCfymWqUEZGTt?max-format=0: dial tcp: lookup assertions.ubuntu.com: no such host)
It is happening that I download the 100 % of the snap without any problem.
I changed the nameserver to 8.8.8.8, rebooted the machine and I ran again.
ubuntu@ zesty-unity8- snap:~$ sudo snap install unity8-session --edge --devmode /assertions. ubuntu. com/v1/ assertions/ snap-revision/ rjPkjvvl9AezpBR Mi_cxP6yLUf7hyc hxwsOg7CT68Ygr9 JnccHmvCfymWqUE ZGTt?max- format= 0: dial tcp: lookup assertions. ubuntu. com: no such host)
[sudo] password for ubuntu:
error: cannot perform the following tasks:
- Fetch and check assertions for snap "unity8-session" (439) (Get https:/
It is happening that I download the 100 % of the snap without any problem.