I've verified functional in yakkety in uvt-kvm. Below 'ussh' is a wrapper arond uvt-kvm https://gist.github.com/smoser/88a5a77ab0debf268b945d46314ea447 for reader purposes, it can be assumed that it operates like 'lxc exec'. ie, ussh name command arguments executed command and arguments on 'name'.
# make a new system. name=sm-y1 uvt-kvm create $name release=yakkety # enable proposed $ ussh $name sudo sh -c 'echo "deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc)-proposed main" >/etc/apt/sources.list.d/proposed.list && apt-get update -qy' # install a package ussh $name sudo apt-get install -qy overlayroot # show. $ ussh $name dpkg-query --show overlayroot overlayroot 0.29ubuntu1 # enable overlayroot without recurse $ ussh "$name" sh -c 'echo overlayroot=tmpfs:recurse=0 | sudo tee /etc/overlayroot.local.conf' # reboot $ ussh $name reboot # show $ ussh $name grep overlay /proc/mounts overlayroot / overlay rw,relatime,lowerdir=/media/root-ro,upperdir=/media/root-rw/overlay,workdir=/media/root-rw/overlay-workdir/_ 0 0 # turn on recurse $ ussh "$name" sh -c 'echo overlayroot=tmpfs:recurse=1 | sudo overlayroot-chroot tee /etc/overlayroot.local.conf' # reboot $ ussh $name reboot # show /proc/mounts $ ussh "$name" grep overlay /proc/mounts overlayroot / overlay rw,relatime,lowerdir=/media/root-ro,upperdir=/media/root-rw/overlay,workdir=/media/root-rw/overlay-workdir/_ 0 0 /media/root-ro/mnt /mnt overlay rw,relatime,lowerdir=/media/root-ro/mnt,upperdir=/media/root-rw/overlay/mnt,workdir=/media/root-rw/overlay-workdir/mnt 0 0 $ ussh $name grep overlay /etc/fstab # This fstab is in an overlay. The real one can be found at # sudo overlayroot-chroot /media/root-ro/ / overlay lowerdir=/media/root-ro/,upperdir=/media/root-rw/overlay/,workdir=/media/root-rw/overlay-workdir/_ 0 0 LABEL=UEFI /boot/efi vfat defaults 0 0 # overlayroot:fs-unsupported /media/root-ro/mnt /mnt overlay lowerdir=/media/root-ro/mnt,upperdir=/media/root-rw/overlay/mnt,workdir=/media/root-rw/overlay-workdir/mnt 0 0 # show kernel version $ ussh $name uname -r 4.8.0-17-generic # boot into normal root $ ussh sm-y1 sudo sh -c 'overlayroot-chroot rm /etc/overlayroot.local.conf && reboot' ** Tags removed: verification-needed ** Tags added: verification-done -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1493188 Title: "overlayfs" no longer exists To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-initramfs-tools/+bug/1493188/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
