Running podman on Arch Linux

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cannot find mappings for user [USERNAME]: open /etc/subuid: no such file or directory

If you are trying to use podman on Arch Linux and get the above notification there is a simple fix.

This error should show up even if you run something simple like:

podman version

In this comment jcaesar says to do the following:

Kill any podman related processes

Run (note that this deletes stuff):

sudo rm -rf ~/.{config,local/share}/containers /run/user/$(id -u)/{libpod,runc,vfs-*}

After that podman should run nicely.