Command LXD (container)

 Command LXD (container)

# initialize LXD

lxd init

# create container

lxc launch ubuntu:18.04 <container_name>

lxc launch ubuntu:16.04 <container_name>

# create container on storage-pool

lxc launch ubuntu:18.04 <container_name> -s <storage-pool>

# attach to container

lxc exec <container_name> -- /bin/bash

# stop container

lxc stop <container_name>

# delete container

lxc delete <container_name>

# clone container - can do this online

lxc copy <source_container_name> <target_container_name>

# list storage

lxc storage list

# set root device to storage

lxc profile device add default root disk path=/ pool=<storage>

# delete storage (after re-initialization)

lxc storage delete <storage_name>

# create another storage pool

lxc storage create <storage-pool-name> <fs-type> source=/dev/<block>

# create container centos

lxc launch images:centos/7

# rename container (offline)

lxc rename <old-name> <new-name>

# set limit memory

lxc config set <container-name> limits.cpu 2

lxc config set <container-name> limits.memory 32000MB

# get limit memory

lxc config get <container-name> limits.memory

# list network

lxc network list

# delete network

lxc network delete lxdbr0

# snapshot

lxc snapshot <container_name> <snapshot_name>

# list process in container

cd /sys/fs/cgroup/memory/lxc && for i in $(echo */); do echo $i && cat $i/cgroup.procs; done

# add device to container (passthrough)

# prereqs: device formatted, and container is down

lxc config device add <plb> <disk-plb> disk source=/dev/sdx path=/opt/plb-storage

lxc config device add plb disk-plb disk source=/dev/vdd1 path=/opt/plb-storage

# list passthrough device on container

lxc config device list plb

                                           

# remove passthrough device on container

lxc config device remove plb disk-plb