I also get this issue with Snapd, but without all the errors in the snapd log:
$ systemctl status snapd.service ● snapd.service - Snappy daemon Loaded: loaded (/lib/systemd/system/snapd.service; enabled; vendor preset: enabled) Active: active (running) since Thu 2017-03-16 17:07:19 UTC; 53s ago Main PID: 1530 (snapd) CGroup: /system.slice/snapd.service └─1530 /usr/lib/snapd/snapd $ snap login Email address: joseph.b...@canonical.com Password of "joseph.b...@canonical.com": error: cannot communicate with server: Post http://localhost/v2/login: EOF $ snap install nextcloud error: cannot communicate with server: Post http://localhost/v2/snaps/nextcloud: EOF etc. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1631514 Title: snap doesnt work. error: cannot communicate with server To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1631514/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs