Edit config files inside containers of Openstack Queens or RHOSP 13

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Edited  config files inside Docker containers of OpenStack get overwritten when the container is restarted. The config file is mounted from a file in the server where it resides, like in the controller, computes, ceph, swift, etc.


The files are often found at:





then restart the container with HUP or just restart


edit the file then restart the container.