linc on 18 Sep 2009 06:59:25 -0700


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Re: [PLUG] centos mysql problem (fwd)


Tom Diehl wrote:
> On Thu, 17 Sep 2009, Sean C. Sheridan wrote:
> 
>> Yes Tom,
>>
>>
>> That fixed it:
>>
>>> Are you running with selinux in enforcing?
>> Yes
>>
>> setenforce 0
>>
>> allows the service to start as expected.
> 
> Good!!
> 
>>
>>
>> Audit log says:
>>
>> type=AVC msg=audit(1253203770.505:128): avc:  denied  { read } for
>> pid=10483 comm="mysqld" name="librt-2.5.so" dev=dm-0 ino=4846519
>> scontext=user_u:system_r:mysqld_t:s0
>> tcontext=system_u:object_r:file_t:s0 tclass=file
> 
> Sorry, I do not know enough about selinux to understand the above.
> 
> I would suggest you enable setroubleshoot and run the log entry through
> sealert.
> 
> You should see an entry in /var/log/messages that looks something like:
> setroubleshoot: SELinux is preventing the httpd from using potentially mislabeled files /var/cache/samba/gencache.tdb (samba_var_t). For complete SELinux messages. run sealert -l 005bf6fe-17d4-44cf-b9de-5d1643cba5f6
> 
> If you run the sealert command the log file gives you, you might get a clue
> what is going on.
> 
> Hope this helps,
> 
> Regards,
> 

Just as a funny aside here but I remember plainly the day in RedHat Cert 
class when my instructor went over SELinux.  The conversation went 
something like "Most places that use SELinux have a dedicated 
administrator to make it work.  The rest just shut it off."

-- 
-Linc Fessenden

In the Beginning there was nothing, which exploded - Yeah right...
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