Hmm, not sure why you have those devices in this container in the first place, normally /dev is left empty and mounted as tmpfs in the container. You could likely just edit the tarball to remove the content of dev/ and then import it just fine.
On Fri, Nov 22, 2019 at 2:19 AM Chris Han <chrishan...@gmail.com> wrote: > Hi, > > I have an unprivileged LXD container, c1, running in a physical host. I > have exported this container to tar.gz: > > lxc export c1-unprivileged c1-unprivileged.tar.gz > > > I have created another unprivileged LXD container, c2, with settings for > nested containers. Inside the c2 container, I am able to launch a > nested unprivileged LXD container, c3. The c3 container is working fine. > > lxc launch ubuntu:18.04 c3-unprivileged-nested > > > However, when I try to import the c1 tar.gz file inside c2 to create a > nested container, it shows the following error message: > > lxc import c1-unprivileged.tar.gz > > tar: rootfs/dev/zero: Cannot mknod: Operation not permitted > tar: rootfs/dev/random: Cannot mknod: Operation not permitted > tar: rootfs/dev/tty: Cannot mknod: Operation not permitted > tar: rootfs/dev/null: Cannot mknod: Operation not permitted > tar: rootfs/dev/full: Cannot mknod: Operation not permitted > tar: rootfs/dev/urandom: Cannot mknod: Operation not permitted > > I am able to import the c1 tar.gz file in a physical host, but unable to > import it in an unprivileged container (to create a nested container). The > LXD network and storage settings in the physical host and the c2 container > are exactly the same. > > How to import the c1 tar.gz in the c2 unprivileged container? > > _______________________________________________ > lxc-users mailing list > lxc-users@lists.linuxcontainers.org > http://lists.linuxcontainers.org/listinfo/lxc-users > -- Stéphane
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