Docker Tutorial

19, Jan. 2019. Jerry ZJ

Installation

Mac: Install via homebrew
```
$ brew install docker
```

Linux: Install via apt

$ sudo apt update && sudo apt install docker-io

Post installation

Run docker without sudo

Create the docker user group
```
$ sudo groupadd docker
```
Add current user to the docker group
```
$ sudo usermod -aG docker $USER
```
Log out and log back in so that your group membership is re-evaluated.

Start docker on boot

$ sudo systemctl enable docker

Create a ubuntu docker container with bash

docker run -it --name $Name_of_the_container ubuntu /bin/bash

Leave docker

Leave and stop the container
```
$ exit
```
Leave without stopping the container
```
Ctrl + P & Ctrl + Q
```

Restart container

Restart an exited container
```
docker start #CONTAINER_ID
```
Attach to the container
```
docker attach #CONTAINER_ID
```