Keystone provides authentication, authorization and service discovery
mechanisms via HTTP primarily for use by projects in the OpenStack
family. It is most commonly deployed as an HTTP interface to existing
identity systems, such as LDAP.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line:
sudo apt update
sudo apt install snapd
After this, install the snapd snap in order to get the latest snapd:
sudo snap install snapd
Install keystone
To install keystone, simply use the following command: