Docker – Lab – Day1-3 – Sandeep

1. Create Ec2 ubuntu instance (freeetire) in AWS
2. Copy the permissions keys to local
3. Open putty key load and generate private key
4. Open Putty and browse the private key and login to the ubuntu instance
5. Auto logged in with no credentials
6. Install docker
7. https://docs.docker.com/engine/install/ubuntu/
8. sudo apt install apache2
9. sudo apt-get install git
10. Install Ansible:
    sudo apt-add-repository ppa:ansible/ansible

Log into the Ubuntu Server that will host Ansible

Install the necessary repository with the command sudo apt-add-repository ppa:ansible/ansible.

Update apt with the command sudo apt-get update.

Install Ansible with the command sudo apt-get install ansible -y.

ubuntu@ip-172-31-36-167:~$ docker -v Docker version 20.10.6, build 370c289 ubuntu@ip-172-31-36-167:~$ which docker /usr/bin/docker ubuntu@ip-172-31-36-167:~$ which dockerd /usr/bin/dockerd ubuntu@ip-172-31-36-167:~$ which containerd /usr/bin/containerd sudo apt install apache2 ubuntu@ip-172-31-36-167:~$ sudo apt-get install git Reading package lists… Done Building dependency tree Reading state information… Done git is already the newest version (1:2.25.1-1ubuntu3.1). 0 upgraded, 0 newly installed, 0 to remove and 83 not upgraded.   git version 2.25.1 docker start d2284fa3b876 docker stop d2284fa3b876 docker start d2284fa3b876 docker restart d2284fa3b876 docker pause d2284fa3b876 docker unpause d2284fa3b876 docker kill d2284fa3b876 docker rm d2284fa3b876 Docker ps -a Docker images Df -kh overlay         7.7G  2.8G  5.0G  36% /var/lib/docker/overlay2/aa0adb35162df4589704c14803ba465a45ab493dccaead7d3cbc3b827ebec578/merged ubuntu@ip-172-31-36-167:~$ sudo docker run -it -d ubuntu 4a6368fbfdf3134efa6c1b53c399d7e0a786fa5197ef2a4986ca1f81d52a46b9   ubuntu@ip-172-31-36-167:~$ docker run -it ubuntu:latest /bin/bash root@3495aa19c4ad:/#   ubuntu@ip-172-31-36-167:~$ docker run -itd ubuntu:latest /bin/bash 52405e2c22b4f9526bbfd3b598d92055d20a1030d13752c476494fb482e56009       ubuntu@ip-172-31-36-167:~$ docker start e220e9b0e897 ubuntu@ip-172-31-36-167:~$ docker attach e220e9b0e897 (ubuntu conatiner) root@e220e9b0e897:/# pwd / root@e220e9b0e897:/# ls bin  boot  dev  etc  home  lib  lib32  lib64  libx32  media  mnt  opt  proc  root  run  sbin  srv  sys  tmp  usr  var Exit (command) : pushes you out of container and stops the container ctrl+pq (shortcut) : pushes you out of container and let the container continue running       ubuntu@ip-172-31-36-167:~$ mkdir dock-image ubuntu@ip-172-31-36-167:~$ cd dock-image ubuntu@ip-172-31-36-167:~/dock-image$ vi dockerfile ubuntu@ip-172-31-36-167:~/dock-image$ touch index.html ubuntu@ip-172-31-36-167:~/dock-image$ pwd /home/ubuntu/dock-image   ubuntu@ip-172-31-36-167:~/dock-image$ docker build -t ub-up-git . Sending build context to Docker daemon   2.56kB Step 1/5 : FROM ubuntu  —> c29284518f49 Step 2/5 : MAINTAINER Sandeep Draksharapu <thesdandy96@gmail.com>  —> Running in ed426586cda4 Removing intermediate container ed426586cda4  —> 6db668bbb9d4 Step 3/5 : RUN apt-get update  —> Running in 63a946079b3a Get:1 http://archive.ubuntu.com/ubuntu focal InRelease [265 kB] Get:2 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB] Get:3 http://archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB] Get:4 http://archive.ubuntu.com/ubuntu focal-backports InRelease [101 kB] Get:5 http://archive.ubuntu.com/ubuntu focal/multiverse amd64 Packages [177 kB] ubuntu@ip-172-31-36-167:~/dock-image$ docker images REPOSITORY    TAG       IMAGE ID       CREATED          SIZE ub-up-git     latest    a78f67cafcec   23 seconds ago   204MB ubuntu@ip-172-31-36-167:~$ docker login Login with your Docker ID to push and pull images from Docker Hub. If you don’t have a Docker ID, head over to https://hub.docker.com to create one. Username: thesandy96 Password: WARNING! Your password will be stored unencrypted in /home/ubuntu/.docker/config.json. Configure a credential helper to remove this warning. See https://docs.docker.com/engine/reference/commandline/login/#credentials-store   Login Succeeded ubuntu@ip-172-31-36-167:~/dock-image$ docker tag ub-up-git thesandy96/dockerlab ubuntu@ip-172-31-36-167:~/dock-image$ docker images REPOSITORY             TAG       IMAGE ID       CREATED         SIZE ub-up-git              latest    a78f67cafcec   2 minutes ago   204MB thesandy96/dockerlab   latest    a78f67cafcec   2 minutes ago   204MB   ubuntu@ip-172-31-36-167:~/dock-image$ docker tag ub-up-git:latest thesandy96/dockerlab:myubuntuimage ubuntu@ip-172-31-36-167:~/dock-image$ docker images REPOSITORY             TAG             IMAGE ID       CREATED         SIZE thesandy96/dockerlab   latest          a78f67cafcec   4 minutes ago   204MB thesandy96/dockerlab   myubuntuimage   a78f67cafcec   4 minutes ago   204MB ub-up-git              latest          a78f67cafcec   4 minutes ago   204MB   ubuntu@ip-172-31-36-167:~$ docker push thesandy96/dockerlab:myubuntuimage The push refers to repository [docker.io/thesandy96/dockerlab] 77a90f426ac1: Pushed 181a340af0cd: Pushed f51af2ec0c1f: Pushed a70daca533d0: Mounted from library/ubuntu ubuntu@ip-172-31-36-167:~$ docker rmi thesandy96/dockerlab Untagged: thesandy96/dockerlab:latest Docker rm 4a6368fbfdf3   ubuntu@ip-172-31-36-167:~$ docker images REPOSITORY             TAG             IMAGE ID       CREATED          SIZE ub-up-git              latest          8c689035cb0f   24 minutes ago   204MB thesandy96/dockerlab   latest          8c689035cb0f   24 minutes ago   204MB thesandy96/dockerlab   myubuntuimage   8c689035cb0f   24 minutes ago   204MB   ubuntu@ip-172-31-36-167:~$ docker exec 4a6368fbfdf3 ps -ef UID          PID    PPID  C STIME TTY          TIME CMD root           1       0  0 06:44 pts/0    00:00:00 bash root          15       0  0 06:46 ?        00:00:00 ps -ef   ubuntu@ip-172-31-36-167:~$ docker exec 4a6368fbfdf3 df -kh Filesystem      Size  Used Avail Use% Mounted on overlay         7.7G  3.3G  4.4G  43% / tmpfs            64M     0   64M   0% /dev tmpfs           489M     0  489M   0% /sys/fs/cgroup shm              64M     0   64M   0% /dev/shm /dev/root       7.7G  3.3G  4.4G  43% /etc/hosts tmpfs           489M     0  489M   0% /proc/acpi tmpfs           489M     0  489M   0% /proc/scsi tmpfs           489M     0  489M   0% /sys/firmware   ubuntu@ip-172-31-36-167:~$ docker exec -it 4a6368fbfdf3 /bin/bash root@4a6368fbfdf3:/# pwd /