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Migrate LXC container to LXD (with ZFS storage)


lxc-stop -n ${CONTAINER_NAME}
lxc init ubuntu:18.04 ${CONTAINER_NAME} -c security.privileged=true -c boot.autostart=true
#lxc stop ${CONTAINER_NAME}
#lxc config set ${CONTAINER_NAME} boot.autostart true
zfs mount tank/lxd/containers/${CONTAINER_NAME}
mv /var/lib/lxd/containers/${CONTAINER_NAME}/rootfs{,.org}
rsync -av --numeric-ids /var/lib/lxc/${CONTAINER_NAME}/rootfs /var/lib/lxd/containers/${CONTAINER_NAME}/
mv /var/lib/lxd/containers/${CONTAINER_NAME}/rootfs/dev{,.org}

LXD: Create container with profile (connect to VLAN)

create profile
lxc profile copy default mgmt-dev
# lxc profile list
lxc profile device set mgmt-dev eth0 nictype macvlan
lxc profile device set mgmt-dev eth0 parent mgmt-dev-v4432
lxc profile show mgmt-dev

create container with profile
lxc launch ubuntu:18.04 bionic-mgmt-dev -p mgmt-dev
lxc ls

Enable container nesting
lxc config set bionic-mgmt-dev security.nesting true

Configure IP
cat < /var/lib/lxd/containers/bionic-mgmt-dev/rootfs/etc/netplan/50-cloud-init.yaml
version: 2


lxc profile delete default
lxc profile device add default root disk path=/ pool=default

lxc profile create default
lxd init

apt install lxd lxd-client
# https://raw.githubusercontent.com/panticz/installit/master/install.lxd.sh

# Add user to group
sudo usermod -a -G lxd ${USER}

Create VM
lxc launch ubuntu:18.04 bionic
lxc launch ubuntu:trusty trusty
lxc launch ubuntu:16.04 xenial
lxc launch images:centos/7 centos7
lxc exec xenial bash
lxc delete xenial -f

Create priviliged VM

Install LXD

wget https://raw.githubusercontent.com/panticz/installit/master/install.lxd.sh -O - | bash -


RELEASE=$(lsb_release -rs | tr -d ".")
if [ ${RELEASE} -lt 1804 ]; then
    # add LXD PPA repository
    sudo apt-get install -y software-properties-common
    sudo add-apt-repository -y ppa:ubuntu-lxc/lxd-stable
    sudo apt-get update

# install LXD
sudo apt-get install -y lxd

# initialize LXD
sudo lxd init --auto


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