Windows to Ubuntu move went wrong: docker ping error on starting

[nerdatwork]

Apparmor could be the culprit so you can read

Can't stop container - permission denied

Yes, it’s a security system on top of usual linux permissions that enforces access control rules on what users and programs can access what resources, and embraces principle of least privilege – only minimum rights required to function are granted. So, just like SELinux, but, evidently, more annoying. SELinux has “learning” mode: in that mode, all operations are allowed, and the system records the permissions that would be required to for these operations to succeed. Then you re-enable it, an…