Ell Marquez 

Community Architect

• Technology Evangelist
• Training Architect
  • Docker Quickstart
  • Essential Container Concepts
• OpenStack Mentorship Co-lead
• OpenStack Trainer
• Linux System Administrator

Ell Marquez 

Professional Noob

• Learn new things
• Break them
  • Freak out
  • Read all the docs
  • Ask for help
• Break them again
• Write a talk about it

Agenda

• What is podman?

What is Podman?

Podman is a daemonless container engine for developing, managing, and running OCI Containers on your Linux System. Containers can either be run as root or in rootless mode.

What is Podman?

• Docker Registries
• Docker Images
• Docker Containers

Change the way we think:

• Container Registries
• Container Images
• Containers / OCI Containers

What do you need to create a container?

• What's a container
• A way to pull images.
• Ability to store images on disk
• A run time
  • Runc (?)
• Ability to set up networking
• Maybe some monitoring?

Agenda

• What is podman?
• How do I install it?

dnf install -y podman

( apt install -y podman)

Agenda

• What is podman?
• How do I install it?
• How do I use it?

alias docker=podman

Using podman

• Traditional Docker Commands
  • Remember the alias ?
• Pods or containers

Agenda

• What is podman?
• How do I install it?
• How do I use it?
• Why would I use it?

Why would I use it?

• Support multiple image formats

• Support for multiple means to securely download images

• Container image management (managing image layers, overlay filesystems, etc).

• Full management of container lifecycle.

• Support for pods to manage groups of containers together.

• Resource isolation of containers and pods.a

https://podman.io/

Podman Architecture