Testing Podman 4 with the new network stack

By Brent Baude GitHub​

Podman 4.0 will implement a new network stack instead of CNI plugins. There are two components to the new stack:

The recent Podman v4.0 RC4 release containers the new network stack. Brent has just posted a new blog post: Testing Podman 4 with new network stack, to help you speed up your testing of the new stack. If you find any issues, please note them on the Podman issues on GitHub.

Build Kubernetes pods with Podman play kube

The podman play kube command has docker compose features in it to make it easier to transition your compose workloads. Brent Baude explains how in the recent blog post on the Red Hat Enable Sysadmin site, https://www.redhat.com/sysadmin/podman-play-kube-updates.

The podman play kube command has docker compose features in it to make it easier to transition your compose workloads. Brent Baude explains how in the recent blog post on the Red Hat Enable Sysadmin site, https://www.redhat.com/sysadmin/podman-play-kube-updates.

How Podman runs on Macs and other container FAQs

Brent Baude clears up the confusion about Podman's machine architecture and other frequently asked questions in this recent blog post on the Red Hat Enable Sysadmin site, How Podman runs on Macs and other container FAQs.

Brent Baude clears up the confusion about Podman's machine architecture and other frequently asked questions in this recent blog post on the Red Hat Enable Sysadmin site, How Podman runs on Macs and other container FAQs.

So why can't I use sudo with rootless Podman? Matt Heon explains why and how you can safely work around the "need" if you have it in a recent blog post on the Red Hat Enable Sysadmin site, Why can't I use sudo with rootless Podman.

Why can't I use sudo with rootless Podman?

So why can't I use sudo with rootless Podman? Matt Heon explains why and how you can safely work around the "need" if you have it in a recent blog post on the Red Hat Enable Sysadmin site, Why can't I use sudo with rootless Podman.

Bioinformatics with rootless podman

By Valentin Rothberg GitHub​

Over the last 10 years I've seen machines and workflows evolve where I work. From the initial dedicated server, to hpc environments and now the latest instance, containers.

From an admin point of view this is great - The initial servers had to be carefully built and maintained so that everything would work nicely together. Incompatible programs at that time were run through a VM until such time as they could be folded in to the mix.

The HPC's had versioned software and environment modules and were built to load the relevant dependencies at run time.

Now we are into a new era, containers - and not just any old containers, but containers that end users can build and run up fairly quickly to perform what-if's, and move on quickly through iterations until they perform the required functions.

Podman has developed very rapidly and is incredibly easy to use. You can use it in conjunction with quay.io or run it on a local machine.

I should add that Adrian Reber gave a talk and has also created a Podman article using openhpc; well worth a watch and a read.

If you don't have a RedHat Developer Subscription now is an ideal time to get one:

https://developers.redhat.com/articles/getting-red-hat-developer-subscription-what-rhel-users-need-know/

..and download RedHat Enterprise 8.1

First Look: Rootless Containers and cgroup v2 on Fedora 31

By Tom Sweeney GitHub​

I often times stay up too late at night watching late night television and run into these crazy commercials that tell you how easy their product is to use. If you’ve stayed up too, you know them as well. Just put your chicken and veggies in our oven, press 3 buttons and 45 minutes later a perfectly cooked meal! Easy! Got a leak? Slap on this tape and no more leak! Easy! Got a messy floor, just use this sweeper and you’ve the cleanest floor in the neighborhood! Easy!

Podman runs secure rootless containers and it really is easy! Trust me, I’m not like those other folks! As we’ve had a number of people asking us about what’s needed to set Podman rootless containers up, I decided to run through the process myself and to blog about the steps I took.