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Rootless Containers with Podman
(blog.nviso.eu)
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this post was submitted on 03 Feb 2026
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It's pretty great, and I like that the workflow for creating containers is sliiiightly easier than on Docker. I switched from Docker to Podman for most stuff about a year ago and so far there are only two hiccups that I lament:
the higher disk consumption due to not being able to share image storage. (I've tried with
additionalstoragesbut that seems to only be respected for podman run; podman build and podman compose seem to ignore it and always pull images from the registries)Some annoying isses with fule permissions due to rootless design - running rootless containers will create files under your user storage that you as a user have no permission to transfer or remove for cleanup or security, and severely breaks the output of tools like
duorfinddue to error spammage.In case you omitted the following out of ignorance and not by deliberate choice:
podman unsharecan be used to (mostly) painlessly access the files created by rootless podman.Oh thanks, I know well about it.
podman unshareis the reason why those permission issues are not major (eg.: you don't need to ever sudo to solve the permission issues rootless causes, I think?). But my going to was more focused o borking the output or workflow of using some of the "usual" tools of a Linux console, such as needing to account for the potential existence of a podman environment on the user account (or any given user account, if doing house cleaning under root) if you ever need to rely on the recursive results of things like chmod or find.