Commands before running `docker run -it viper:1 /bin/bash`

docker-installing-viper

(viper-venv) james@james-Streacom:~/viper$ docker build https://github.com/ethereum/viper.git -t viper:1
The program 'docker' is currently not installed. You can install it by typing:
sudo apt install docker.io
(viper-venv) james@james-Streacom:~/viper$ sudo apt install docker.io
[sudo] password for james: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  bridge-utils cgroupfs-mount ubuntu-fan
Suggested packages:
  aufs-tools btrfs-tools debootstrap docker-doc rinse zfs-fuse | zfsutils
The following NEW packages will be installed
  bridge-utils cgroupfs-mount docker.io ubuntu-fan
0 to upgrade, 4 to newly install, 0 to remove and 2 not to upgrade.
Need to get 15.3 MB of archives.
After this operation, 69.1 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://au.archive.ubuntu.com/ubuntu artful/universe amd64 cgroupfs-mount all 1.4 [6,320 B]
Get:2 http://archive.ubuntu.com/ubuntu artful/main amd64 bridge-utils amd64 1.5-9ubuntu2 [29.2 kB]   
Get:3 http://archive.ubuntu.com/ubuntu artful-proposed/universe amd64 docker.io amd64 17.03.2-0ubuntu1~17.10.1 [15.2 MB]
30% [3 docker.io 3,750 kB/15.2 MB 25%]                                                                          Get:4 http://archive.ubuntu.com/ubuntu artful-updates/main amd64 ubuntu-fan all 0.12.8~17.10.1 [34.5 kB]       
Fetched 15.3 MB in 21s (701 kB/s)                                                                              
Selecting previously unselected package bridge-utils.
(Reading database ... 254751 files and directories currently installed.)
Preparing to unpack .../bridge-utils_1.5-9ubuntu2_amd64.deb ...
Unpacking bridge-utils (1.5-9ubuntu2) ...
Selecting previously unselected package cgroupfs-mount.
Preparing to unpack .../cgroupfs-mount_1.4_all.deb ...
Unpacking cgroupfs-mount (1.4) ...
Selecting previously unselected package docker.io.
Preparing to unpack .../docker.io_17.03.2-0ubuntu1~17.10.1_amd64.deb ...
Unpacking docker.io (17.03.2-0ubuntu1~17.10.1) ...
Selecting previously unselected package ubuntu-fan.
Preparing to unpack .../ubuntu-fan_0.12.8~17.10.1_all.deb ...
Unpacking ubuntu-fan (0.12.8~17.10.1) ...
Setting up docker.io (17.03.2-0ubuntu1~17.10.1) ...
Adding group `docker' (GID 134) ...
Done.
Created symlink /etc/systemd/system/sockets.target.wants/docker.socket → /lib/systemd/system/docker.socket.
Processing triggers for ureadahead (0.100.0-20) ...
Setting up cgroupfs-mount (1.4) ...
Setting up bridge-utils (1.5-9ubuntu2) ...
Setting up ubuntu-fan (0.12.8~17.10.1) ...
Created symlink /etc/systemd/system/multi-user.target.wants/ubuntu-fan.service → /lib/systemd/system/ubuntu-fan.service.
Processing triggers for systemd (234-2ubuntu12.2) ...
Processing triggers for man-db (2.7.6.1-2) ...
Processing triggers for ureadahead (0.100.0-20) ...