• Login to lxadm
• Create ~/.cdbop.conf

protocol = https
server = cdbserv.cern.ch
use-krb5

• get -f prod/customization/lxdist/noq/config
• edit the file you just retrieved and add:

"/system/importance" = 40;

• up prod/customization/lxdist/noq/config.tpl
• commit -c "Changed weight for machine XXX"
• prey.