/etc/shadow

pipo:*:1pi2po52le9:0:9ner99dz99:7:::

/etc/passwd

pipo:x:6:12:man:/dev/null

Poste un peu ton /etc/shadow et /etc/passwd stp.

Poste le contenu de ça aussi :
/usr/share/postgresql-common/init.d-functions

#!/bin/bash

. /usr/share/postgresql-common/init.d-functions

VERSION=8.1

case "$1" in
start)
start $VERSION
;;
stop)
stop "$VERSION"
;;
restart)
restart "$VERSION"
;;
force-reload | reload)
reload $VERSION
;;
status)
status $VERSION
;;
autovac-start)
autovac_start $VERSION
;;
autovac-stop)
autovac_stop $VERSION
;;
autovac-restart)
autovac_restart $VERSION
;;
*)
echo "Usage: $0 {start|stop|restart|reload|force-reload|status|autovac-start|autovac-stop|autovac-restart}"
exit 1
;;
esac

exit 0