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.
Enable snaps on elementary OS and install keystone
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
Snap can be installed on elementary OS from the command line. Open Terminal from the Applications launcher and type the following:
sudo apt update
sudo apt install snapd
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
Install keystone
To install keystone, simply use the following command: