[CentOS] MySQL ERROR - UNKNOWN_MYSQL_USER
Ljubomir Ljubojevic
office at plnet.rs
Wed Jul 20 21:23:02 UTC 2011
Keith Roberts wrote:
> This is strange behavior because as soon as I start mysqld
> with a clean error log, I get the following messages:
>
> 110720 21:38:47 [Note] /usr/libexec/mysqld: ready for
> connections.
> Version: '5.5.14-log' socket: '/var/lib/mysql/mysql.sock'
> port: 2500 MySQL Community Server (GPL) by Remi
>
> 110720 21:38:48 [Warning] Access denied for user
> 'UNKNOWN_MYSQL_USER'@'localhost' (using password: NO)
>
> The strange things is, AFAIK there are no clients trying to
> connect to mysql. I shutdown a mysql CLI monitor I had
> running, and did the restart again.
>
> So I'm just wondering why I get this message, when AFAIK
> there is nothing that should be trying to connect to mysql -
> unless it's a server daemon running somewhere?
>
> Has anyone else come across this funny error message?
>
There must be some service that does uses MySQL but does not have user
set. Website like CMS? Try getting more logs to see what app/script uses it.
--
Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe
Google is the Mother, Google is the Father, and traceroute is your
trusty Spiderman...
StarOS, Mikrotik and CentOS/RHEL/Linux consultant
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