Cannot start zm

[linh]

[root@redhat9 scripts]# ./zm start
Starting ZoneMinder: DBI connect('database=zm;host=redhat9','select, insert, update, delete',...) failed: Can't connect to MySQL server on 'redhat9' (111) at /usr/local/bin/zmpkg.pl line 49
Can't call method "prepare_cached" on an undefined value at /usr/local/bin/zmpkg.pl line 52.
BEGIN failed--compilation aborted at /usr/local/bin/zmpkg.pl line 60.
[FAILED]