openstack-manuals/doc/install-guide/source/environment-memcached-obs.rst

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Memcached for SUSE
~~~~~~~~~~~~~~~~~~
The Identity service authentication mechanism for services uses Memcached
to cache tokens. The memcached service typically runs on the controller
node. For production deployments, we recommend enabling a combination of
firewalling, authentication, and encryption to secure it.
Install and configure components
--------------------------------
#. Install the packages:
.. code-block:: console
# zypper install memcached python-python-memcached
2. Edit the ``/etc/sysconfig/memcached`` file and complete the
following actions:
* Configure the service to use the management IP address of the
controller node. This is to enable access by other nodes via
the management network:
.. code-block:: none
MEMCACHED_PARAMS="-l 10.0.0.11"
.. note::
Change the existing line ``MEMCACHED_PARAMS="-l 127.0.0.1"``.
Finalize installation
---------------------
* Start the Memcached service and configure it to start when the system
boots:
.. code-block:: console
# systemctl enable memcached.service
# systemctl start memcached.service