Linux Administration Cookbook

The breakdown of our creation

When we created the storage pool at the beginning of this section, what we were really doing was informing our system (the lxd daemon) that it needed to use a specific directory for container storage, namely the one below /var/lib/lxd/storage-pools/:

$ sudo ls /var/lib/lxd/storage-pools/example-poolcontainers

When we started our container, what we first did was download a prepackaged image from a default internet location that served as the base for the container we created. 

Here, it's seen as an alphanumeric string, but it's really Ubuntu 18.04 in cut-down-container form:

$ sudo ls -lhA /var/lib/lxd/images/total 175M-rw-r--r-- 1 root root 788 Nov 4 15:44 30b9f587eb6fb50566f4183240933496d7b787f719aafb4b58e6a341495a38ad ...