Algo se ha roto por ahi...
lib/WikiDB/backend/PearDB.php:32: Fatal[256]: Can't connect to database:
wikidb_backend_mysql: fatal database error
* DB Error: connect failed
* ( [nativecode=Can't connect to local MySQL server through socket
'/var/run/mysqld/mysqld.sock' (2)] **
mysql://wikiuser:XXXXXXXX@localhost/phpwiki)
:-)