Command Help.txt

Pre-installation
Install pre-requisite packages
1. sudo apt-get update
2. sudo apt-get install apt-transport-https ca-certificates curl
software-properties-common

Download apt-key for docker
1. curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
2. sudo apt-key list
3. sudo apt-key fingerprint 0EBFCD88

Add docker repository
1. sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
2. sudo apt-get update

Installation
sudo apt-get install docker-ce

Check the installations
1. sudo docker run hello-world
2. sudo docker --version
3. sudo docker --info

Proxy Settings: 

Add proxy to Docker Service
1. sudo mkdir /etc/systemd/system/docker.service.d
2. sudo gedit /etc/systemd/system/docker.service.d/http-proxy.conf
[Service]
Environment="HTTP_PROXY=https://172.16.19.10:80/"
Environment="HTTPS_PROXY=https:// 172.16.19.10:80 :8080/"
Environment="NO_PROXY=localhost,127.0.0.1,localaddress,.localdomain.com"

Restart Docker daemon
1. sudo systemctl daemon-reload
2. sudo systemctl show --property Environment docker
3. sudo systemctl restart docker
4. sudo docker run hello-world

Get rid of sudo
1. sudo groupadd docker
2. sudo usermod -aG docker $USER
3. su - $USER


Few commands to explore
1. docker run hello-world
2. docker info
3. docker –version
4. docker info
5. docker image ls
6. man docker
7. man docker container
8. docker container ls –all
9. docker stats

Getting Familiarize

docker pull busybox
docker run busybox
docker container ls --all
docker run busybox echo "Hello World"
docker run busybox echo $USER
docker run -it busybox
docker container ls --all
docker stats
docker container ls --all
docker run -it --rm busybox
docker run -it busybox