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If I try running something like
$ podman pull docker.io/alpine
then I get an error like
Error processing tar file(exit status 1): there might not be enough IDs available in the namespace (requested 0:42 for /etc/shadow): lchown /etc/shadow: invalid argumen
Even though I have a range of 165536:65536 in both /etc/subuid and /etc/subgid, and 65536 is clearly larger than the required 42 users. I found this error described in a redhat article however increasing the size of the range doesn't help.
Running as root works fine.
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After rebooting, I was able pull with podman. So, maybe making changes to /etc/subuid and /etc/subgid require a reboot (or maybe just logging out and back in)?
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