Hi there,
after a while stepping from 5.2 to 6.x using the Docker environment (which I don't like....) I try to set up and configure Alfresco.
I found
/var/lib/docker/overlay2/18b123f73197d12eda2014449bc44cf88155cff5396ae2c024dbde43924a701d/diff/usr/local/tomcat/webapps/alfresco/WEB-INF/classes/alfresco/module/alfresco-share-services/alfresco-global.properties
/var/lib/docker/overlay2/1d0ebfb840862ddf4fc50e209a420d4a6cee87c2d56d666e8f80ca2411dbf2a2/diff/usr/local/tomcat/shared/classes/alfresco-global.properties
/var/lib/docker/overlay2/1d0ebfb840862ddf4fc50e209a420d4a6cee87c2d56d666e8f80ca2411dbf2a2/diff/usr/local/tomcat/webapps/alfresco/WEB-INF/classes/alfresco/module/alfresco-share-services/alfresco-global.properties
/var/lib/docker/overlay2/56825b1ea08ce500b99b72168886ef14859f5eaca079f2fb4e3c43452e4b47da/diff/usr/local/tomcat/webapps/alfresco/WEB-INF/classes/alfresco/module/alfresco-share-services/alfresco-global.properties
/var/lib/docker/overlay2/950cb51999fb00bc12b8358eaa56528ea077c066754998a142bada182dc22237/diff/usr/local/tomcat/shared/classes/alfresco-global.properties
/var/lib/docker/overlay2/950cb51999fb00bc12b8358eaa56528ea077c066754998a142bada182dc22237/diff/usr/local/tomcat/shared/classes/alfresco-global.properties.sample
which one is the right one?
I'm confused..... 
Thanks for any help.
Sascha