Sorry that should be
/opt/openerp/openupgrade-server/openerp-server --config="/etc/openerp-server.conf" --addons-path="/opt/openerp/openupgrade-addons" -d etech -u all --log-level=debug
Sorry that should be
/opt/openerp/ openupgrade- server/ openerp- server --config= "/etc/openerp- server. conf" --addons- path="/ opt/openerp/ openupgrade- addons" -d etech -u all --log-level=debug