Docker – Lab – Assignment – Narender Yalamadhi

Step 3 – Install Docker Engine in Centos#1 Vm.

Install Docker

  sudo yum install -y yum-utils device-mapper-persistent-data lvm2
  sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
  sudo yum install –y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
  sudo yum install -y docker-ce
  docker -v
  sudo systemctl enable docker
  sudo systemctl start docker
  docker info
  which docker
  which dockerd
  ps -eaf | grep dockerd
  which containerd
  ps -eaf | grep containerd
  history
[root@localhost ~]#

Step 4 – Assignment#1

• Create a Ubuntu container
• Install Update, git & apache2
• run a git command in container from outside

docker run -itd ubuntu
docker ps -a
docker exec -it 4d5fce1241d5 /bin/bash

docker run -d httpd
docker ps -a

apt-get -y install git
apt-get -y install apache2
apt-get -y update git
git --version

Step 5 – Assignment#2

• Create a httpd container exposed at 8080 port
• Access(curl) container from node

docker run -d -p 80:80 httpd
wget localhost:80