emanuel@Brain:/var/lib$ sudo apt-get install docker-ce
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  containerd.io docker-ce-cli
The following NEW packages will be installed:
  containerd.io docker-ce docker-ce-cli
0 upgraded, 3 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/53.2 MB of archives.
After this operation, 253 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Selecting previously unselected package containerd.io.
(Reading database ... 260236 files and directories currently installed.)
Preparing to unpack .../containerd.io_1.2.6-3_amd64.deb ...
Unpacking containerd.io (1.2.6-3) ...
Selecting previously unselected package docker-ce-cli.
Preparing to unpack .../docker-ce-cli_5%3a18.09.7~3-0~ubuntu-bionic_amd64.deb ...
Unpacking docker-ce-cli (5:18.09.7~3-0~ubuntu-bionic) ...
Selecting previously unselected package docker-ce.
Preparing to unpack .../docker-ce_5%3a18.09.7~3-0~ubuntu-bionic_amd64.deb ...
Unpacking docker-ce (5:18.09.7~3-0~ubuntu-bionic) ...
Setting up containerd.io (1.2.6-3) ...
Created symlink /etc/systemd/system/multi-user.target.wants/containerd.service → /lib/systemd/system/containerd.service.
Processing triggers for ureadahead (0.100.0-21) ...
Processing triggers for systemd (237-3ubuntu10.24) ...
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
Setting up docker-ce-cli (5:18.09.7~3-0~ubuntu-bionic) ...
Setting up docker-ce (5:18.09.7~3-0~ubuntu-bionic) ...
update-alternatives: using /usr/bin/dockerd-ce to provide /usr/bin/dockerd (dockerd) in auto mode
Created symlink /etc/systemd/system/multi-user.target.wants/docker.service → /lib/systemd/system/docker.service.
Created symlink /etc/systemd/system/sockets.target.wants/docker.socket → /lib/systemd/system/docker.socket.
Job for docker.service failed because the control process exited with error code.
See "systemctl status docker.service" and "journalctl -xe" for details.
invoke-rc.d: initscript docker, action "start" failed.
● docker.service - Docker Application Container Engine
   Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
   Active: activating (auto-restart) (Result: exit-code) since Tue 2019-07-16 23:32:46 EDT; 9ms ago
     Docs: https://docs.docker.com
  Process: 8261 ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock (code=exited, status=1/FAILURE)
 Main PID: 8261 (code=exited, status=1/FAILURE)
dpkg: error processing package docker-ce (--configure):
 installed docker-ce package post-installation script subprocess returned error exit status 1
Processing triggers for systemd (237-3ubuntu10.24) ...
Processing triggers for ureadahead (0.100.0-21) ...
Errors were encountered while processing:
 docker-ce
E: Sub-process /usr/bin/dpkg returned an error code (1)
emanuel@Brain:/var/lib$