Install and configure the controller node for Ubuntu in swift

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In the Install and configure components Section, the following are the correct packages for Openstack Ussuri.

apt-get install swift swift-proxy python3-swiftclient python3-keystoneclient python3-keystonemiddleware memcached

If you have a troubleshooting or support issue, use the following resources:

 - Ask OpenStack: https://ask.openstack.org
 - The mailing list: https://lists.openstack.org
 - IRC: 'openstack' channel on Freenode

-----------------------------------
Release: 2.25.1.dev21 on 2019-05-23 10:53:31
SHA: 0bdbbc4a655fb4f74cd087636fc136c0f9d57754
Source: https://opendev.org/openstack/swift/src/doc/source/install/controller-install-ubuntu.rst
URL: https://docs.openstack.org/swift/ussuri/install/controller-install-ubuntu.html