Ubuntu / mysql / percona xtrabackup donne l'erreur «SH: 1: xtrabackup_55: pas trouvé»

Question

Bonjour, j'ai installé Ubuntu 12.04.2 LTS sur une nouvelle boîte.

Cela a installé MySQL 5.5.29.

J'ai installé percona-xtrabackup-2.0.6-521.tar.gz, et déplacé les exécutables vers / usr / bin /

Mais Innobackupex donne une erreur: "SH: 1: xtrabackup_55: Non trouvé"

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david@server1:/usr/bin$ sudo innobackupex --user=root --password=123 /home/david/dbb/
[sudo] password for david: 

InnoDB Backup Utility v1.5.1-xtrabackup; Copyright 2003, 2009 Innobase Oy
and Percona Ireland Ltd 2009-2012.  All Rights Reserved.

This software is published under
the GNU GENERAL PUBLIC LICENSE Version 2, June 1991.

130401 12:17:04  innobackupex: Starting mysql with options:  --password=xxxxxxxx --user='root' --unbuffered --
130401 12:17:04  innobackupex: Connected to database with mysql child process (pid=1488)
130401 12:17:10  innobackupex: Connection to database server closed
IMPORTANT: Please check that the backup run completes successfully.
           At the end of a successful backup run innobackupex
           prints "completed OK!".

innobackupex: Using mysql  Ver 14.14 Distrib 5.5.29, for debian-linux-gnu (x86_64) using readline 6.2
innobackupex: Using mysql server version Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.

sh: 1: xtrabackup_55: not found
innobackupex: fatal error: no 'mysqld' group in MySQL options

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Les fichiers sont présents et exécutables:

david@server1:/usr/bin$ ls -l inno*
-rwxr-xr-x 1 root  root  108823 Mar 19 14:24 innobackupex
lrwxrwxrwx 1 david david     12 Mar 19 14:24 innobackupex-1.5.1 -> innobackupex
-rwxr-xr-x 1 root  root   10096 Jan 16 17:24 innochecksum
-rwxr-xr-x 1 root  root  400192 Jan 16 17:24 innotop
david@server1:/usr/bin$ 
david@server1:/usr/bin$ ls -l xtra*
-rwxr-xr-x 1 root root  9799993 Mar 19 14:21 xtrabackup
-rwxr-xr-x 1 root root  8361704 Mar 19 14:24 xtrabackup_51
-rwxr-xr-x 1 root root 12699861 Mar 19 14:15 xtrabackup_55
david@server1:/usr/bin$ 

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Le chemin est correct:

david@server1:/usr/bin$ echo $PATH
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games

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J'obtiens les mêmes résultats si je cours

innobackupex 
./innobackupex 
sudo innobackupex 
sudo ./innobackupex 

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Des idées?