MAILTO=root+cron+openerp_lhc_demo-restore
# m h dom mon dow user command
0 2 * * * root sv force-stop openerp_lhc_demo && dropdb -U postgres openerp_lhc_demo && createdb -U postgres -O openerp_lhc_demo -T openerp_lhc_demo_bak openerp_lhc_demo && sv start openerp_lhc_demo