[CHAPTER 1 - Quiz 1]
Solutions:
1. a, b
2. a, c
3. a, b
4. b, c, e
[CHAPTER 1 - Quiz 2]
Solutions:
1. a, c, d
2. b
3. a, c
4. b
[CHAPTER 1 - Quiz 3]
Solutions:
1. b, c, d
2. c, d
3. a, e
4. b
5. a
[CHAPTER 2 - Docker - Install]
Do you need the service of docker running to use the next tools. In that case check if you have this package and service:
$ rpm -q docker
$ systemctl status docker
[CHAPTER 2 - Minishift]
Installation will require the VirtualBox: https://www.virtualbox.org/wiki/Downloads, more this packages to KVM:
$ sudo dnf install libvirt qemu-kvm
Configuration:
$ sudo usermod -a -G libvirt <username>
$ newgrp libvirt
Download:
https://github.com/minishift/minishift/releases
After unpack into directory of minishift cli you can use:
$ ./minishift start (start a minishift cluster locally)
$ ./minishift stop (stop the cluster)
$ ./minishift delete (delete the cluster)
$ ./minishift status (check the status of cluster)
[CHAPTER 2 - OC]
For install 'oc' tool do you need just run:
$ oc (if not installed it will request)
After installed you can use(like the Minishift):
$ sudo oc cluster up
$ sudo oc cluster down
$ sudo oc cluster status
[CHAPTER 2 & 3 - Docker]
# docker search mysql (search on Docker Hub an image)
# docker pull mysql (download an image)
# docker images (list of local images)
# docker run --name my-mysql -e MYSQL_ROOT_PASSWORD=my-secret-pw -d mysql:latest (create a container using this image)
# docker stop my-mysql (stop the container)
# docker run -e MYSQL_ROOT_PASSWORD=my-secret-pw -it --rm mysql:latest (execute a container with interative mode)
# docker ps (check the process of your containers)
# docker rmi -f mysql:latest (delete local image)
# docker inspect fedora (list listing metadata about JSON)
# docker inspect -f '{{ .Created }}' fedora (date of created the container)
# docker run --name some-mysql -e MYSQL_ROOT_PASSWORD=my-secret-pw -v /var/dbfiles:/var/lib/mysql -d mysql:latest (run the container with the Reclaiming Storage)
# docker inspect -f '{{ .NetworkSettings.IPAddress }}' some-mysql (get the IPAddress in use of this container)
# docker rmi $(docker images -q) (remove all images)
[CHAPTER 4 - Quiz 1]
Solution:
1. a, d
2. d
3. a, d
4. c
[CHAPTER 4 - Manipulating Container Images]
# docker save -o mysql.tar registry.access.redhat.com/rhscl/mysql-56-rhel7 (save .tar file of the image mentioned)
# docker load -i mysql.tar (load the image from .tar file)
Creating a new image based in pre existent image:
# docker pull nginx (pull a image)
# docker run --name nginx-custom -d nginx:latest (create a new container based in this image)
# docker stop nginx-custom (stop the container)
# docker diff nginx-custom (check the diff)
# docker commit nginx-custom nginx-newversion (save a new image based in container created)
# docker tag nginx-newversion devops/nginx-newversion:0.0.1 (tag the new image)
# docker push docker.io/firemanxbr/nginx-myversion:0.0.1
[CHAPTER 5 - Create a custom container images]
# dnf install -y source-to-image source-to-image-unit-test (install s2i tool)
[CHAPTER 5 - Quiz 1]
Solutions:
1. b
2. b, c
3. a, b, c
# docker build -t NAME:TAG DIR (docker build creating a new image)
[CHAPTER 6 - Deploying]
Solutions:
1. c, e
2. b, d
3. c
[CHAPTER 7 - Quiz 1]
Solutions:
1. c
2. a, c, d
3. d