error connecting database

bonjour,
je poste ici pour un probleme lié a mysql sous mageia, mon site etant
down , peut etre que vous pourrez m'aider

voila j'ai fait une mise a jour mandriva > mageia2 et j'ai simplement
copié de l'un a l'autre mes tables mysql dans /var/lib/mysql
cela a fonctionné , mais après mise a jour vers mageia3 , j'ai une
erreur connecting database en me connectant sur mon site
pourtant le serveur fonctionne parfaitement en ligne de commande, je me
connecte et peux acceder aux tables

voila les infos les plus completes que je peux donner

le site en question:
http://www.linux-pour-lesnuls.com/blog/

les logs :
May 27 16:13:28 localhost systemd[1]: Started The Apache HTTP Server.
May 27 16:16:06 localhost systemd[1]: Stopping The Apache HTTP Server...
May 27 16:16:06 localhost systemd[1]: Starting The Apache HTTP Server...
May 27 16:16:08 localhost systemd[1]: Started The Apache HTTP Server.
May 27 16:17:06 localhost systemd[1]: Stopping MySQL database server...
May 27 16:17:07 localhost systemd[1]: Starting MySQL database server...
May 27 16:17:07 localhost mysqld_safe[15356]: 130527 16:17:07
mysqld_safe Logging to '/var/log/mysqld/mysqld.log'.

tail -100 /var/log/mysqld/mysqld.log

130527 16:17:06 [Note] /usr/sbin/mysqld: Normal shutdown

130527 16:17:06 [Note] Event Scheduler: Purging the queue. 0 events
130527 16:17:06 InnoDB: Starting shutdown...
130527 16:17:07 InnoDB: Shutdown completed; log sequence number 8670417
130527 16:17:07 [Note] /usr/sbin/mysqld: Shutdown complete

130527 16:17:07 mysqld_safe Starting mysqld daemon with databases from
/var/lib/mysql
130527 16:17:07 InnoDB: The InnoDB memory heap is disabled
130527 16:17:07 InnoDB: Mutexes and rw_locks use GCC atomic builtins
130527 16:17:07 InnoDB: Compressed tables use zlib 1.2.7
130527 16:17:07 InnoDB: Using Linux native AIO
130527 16:17:07 InnoDB: Initializing buffer pool, size = 128.0M
130527 16:17:07 InnoDB: Completed initialization of buffer pool
130527 16:17:07 InnoDB: highest supported file format is Barracuda.
130527 16:17:07 InnoDB: Waiting for the background threads to start
130527 16:17:08 Percona XtraDB (http://www.percona.com) 1.1.8-29.0
started; log sequence number 8670417
130527 16:17:08 [ERROR] Function 'ARCHIVE' already exists
130527 16:17:08 [Warning] Couldn't load plugin named 'ARCHIVE' with
soname 'ha_archive.so'.
130527 16:17:08 [ERROR] Function 'FEDERATED' already exists
130527 16:17:08 [Warning] Couldn't load plugin named 'FEDERATED' with
soname 'ha_federated.so'.
130527 16:17:08 [ERROR] Function 'BLACKHOLE' already exists
130527 16:17:08 [Warning] Couldn't load plugin named 'BLACKHOLE' with
soname 'ha_blackhole.so'.
130527 16:17:08 [ERROR] Function 'InnoDB' already exists
130527 16:17:08 [Warning] Couldn't load plugin named 'InnoDB' with
soname 'ha_innodb.so'.
130527 16:17:08 [Note] Event Scheduler: Loaded 0 events
130527 16:17:08 [Note] /usr/sbin/mysqld: ready for connections.

important ; le serveur fonctionne parfaitement en ligne de commande


mysql -u forum -p
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 62
Server version: 5.5.28-MariaDB Mageia MariaDB Server

Copyright (c) 2000, 2012, Oracle, Monty Program Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input
statement.

MariaDB [(none)]> LS
-> ls;
ERROR 1064 (42000): You have an error in your SQL syntax; check the
manual that corresponds to your MariaDB server version for the right
syntax to use near 'LS
ls' at line 1
MariaDB [(none)]> show tables;
ERROR 1046 (3D000): No database selected
MariaDB [(none)]> use aide;
Database changed
MariaDB [aide]> show tables;
+----------------+
| Tables_in_aide |
+----------------+
| newse |
| recherche |
| rss |
| visiteur |
+----------------+
4 rows in set (0.00 sec)


merci pour toute aide

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