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podman-issues.md

podman issues

Blockers why podman cannot replace docker-ce (yet). This is to remind myself to not waste any more time trying to use podman.

Issues

rootless containers fail to start with cgroup2 (EL8)

[lester@rocky8 ~]$ podman run alpine
Error: runc: container_linux.go:380: starting container process caused: process_linux.go:545: container init caused: process_linux.go:508: setting cgroup config for procHooks process caused: open /sys/fs/cgroup/user.slice/user-1001.slice/[email protected]/user.slice/libpod-8560123f3454af8d1f47a15fe52dd0c3218abfebbf77bad0e7cdf4e941bb96dd.scope/pids.max: no such file or directory: OCI runtime attempted to invoke a command that was not found
[lester@rocky8 ~]$ mount -l | grep cgroup
cgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,seclabel,nsdelegate)
[lester@rocky8 ~]$

Refs:

Happens on Rocky Linux 8, but not on Fedora CoreOS 36 (podman machine on MacOS).

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