enforce use of environment variables when running as a service CW_INSTANCES_DIR, CW_INSTANCES_DATA_DIR, CW_RUNTIME_DIR must be positionned at the system level. This will ensure that cubicweb-ctl commands issued on the computer will use the proper directories.

usr/lib/python2.4/site-packages/cubicweb/
etc/init.d
etc/cubicweb.d
etc/bash_completion.d
usr/bin
usr/share/doc/cubicweb-ctl
var/run/cubicweb
var/log/cubicweb
var/lib/cubicweb/backup
var/lib/cubicweb/instances