Install docker on Ubuntu 16.04: Unable to locate package docker-ce
Solution 1:
It's not working because the Ubuntu installed is a 32 bits one (as you can see from the repo image, it's the i386 one).
And the installation guide from Docket clearly states:
OS requirements
To install Docker, you need the 64-bit version of one of these Ubuntu versions:
- Yakkety 16.10
- Xenial 16.04 (LTS)
- Trusty 14.04 (LTS)
I've installed a 64 bits, and all works correctly.