Problems with starting mysql.

Hello

Sorry for my bad english i'm dutch.

I have a problem with starting mysql.
When i run post-boot become the hdd mount en say he starting mysql.....Error
I have as described in this topic http://www.wl500g.info/showthread.php?t=8236 the folder

Quote:

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opt/var/lib/mysql/mysql

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erased en with this command

Quote:

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/opt/bin/mysql_install_db

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the database buld up again but withoud any result.
My username have i changed to root in the webinterfase.
Or must i change it also in ssh?

Have anyone the same problem and have it solved?