Avatar billede fredand Forsker
10. november 2022 - 08:13 Der er 2 kommentarer og
1 løsning

How does Podman work? (Best/common practice?)

Hello,
Recently changed workplace.
At old place we used something called PIA-servers. From a webportal you ordered a server that got spinned up from an image like linux-redhat with a jboss-app-server. We used putty to log in to that newly created server. On this you deployed your work with a rpm. This concept worked really nice. Without knowing exact the infrastructure I guess the servers that got created must have been some sort of virtual-machine hosted on some remote server, right? (To me this is a container solution, but I might be wrong) 

At new place we all got our appserver (weblogic) installed locally for development. Now they are talking to start with podman, but to my surprise it looks like we need to have podman installed locally. To me it sounds like there is no benifit when it come to locally used resources then. I would love to hear how you have your podman environment installed.

Best regards
Fredrik
Avatar billede arne_v Ekspert
12. november 2022 - 15:54 #1
I am not in any way an expert on container tools.

My understanding of Podman is that it is Redhats tool for running a local container when OpenShift and Kubernetes is overkill. Podman is an alternative to Docker. One of the advantages of Podman is the ability to run complete without any root priviliges.

So if you want to run single containers local and you use RHEL as OS then Podman seems pretty natural.
Avatar billede fredand Forsker
14. november 2022 - 08:25 #2
Thanks for your reply Arne!
Do you got the impression that you spin up a virtual linux os (rhel) locally on your for eg Windows machine then?
Or do you get the impression that the virtual Linux will be hosted on a remote server (that might be that overkill you mention perhaps)

Just speculations, if it is locally will that virtual linux get a Ip on it's own ?

Best regards
Fredrik
Avatar billede arne_v Ekspert
14. november 2022 - 15:59 #3
You can run podman and container on:
- shared development server running RHEL
- developer PC running RHEL
- developer PC running Windows with VM running RHEL

What you actually do I don't know. :-)

(a VM would get its own IP address)
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