The new membership will take effect on the next login, or after running newgrp lxd from an existing login. If user joe is not a member of group ‘lxd’, you may run: adduser joe lxdĪs root to change it. ‘lxc’ commands can be run as any user who is a member of group lxd. If you choose ZFS, you can choose which block devices to use, or the size of a file to use as backing store.Ī ‘trust password’ used by remote clients to vouch for their client certificate. This is done by running lxd init, which will allow you to choose:ĭirectory or ZFS container backend. ![]() In order to use LXD, some basic settings need to be configured first. This can be done by appending it to the GRUB_CMDLINE_LINUX_DEFAULT=variable in /etc/default/grub, then running ‘update-grub’ as root and rebooting. One exception to this is that in order to enable swap accounting the boot argument swapaccount=1 must be set. In general, Ubuntu should have all the desired features enabled by default. This will install the self-contained LXD snap package. On other systems, the lxd package can be installed using: sudo snap install lxd LXD is pre-installed on Ubuntu Server cloud images. This document will offer an Ubuntu Server-specific view of LXD, focusing on administration. Finally, there is great documentation on how to drive lxd using juju. Stephane Graber also has an excellent blog series on LXD 2.0. There is excellent documentation for getting started with LXD and an online server allowing you to try out LXD remotely. This document will focus on how to configure and administer LXD on Ubuntu systems. However, it keeps its own container configuration information and has its own conventions, so that it is best not to use classic LXC commands by hand with LXD containers. LXD uses LXC under the covers for some container management tasks. This extends the LXC functionality over the network, and allows concise management of tasks like container migration and container image publishing. The LXD API deals with ‘remotes’, which serve images and containers. ![]() ![]() In a sense, one could compare LXC to QEMU, while comparing LXD to libvirt. It also provides an API to allow higher level managers, such as LXD, to administer containers. LXC (lex-see) is a program which creates and administers “containers” on a local system. LXD (pronounced lex-dee) is the lightervisor, or lightweight container hypervisor. Multi-node configuration with Docker-Composeĭistributed Replicated Block Device (DRBD)
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