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I have macports mysql 5, and I disabled the bin logs by commenting this line out:


Then I manually deleted the bin files. After I tried to restart my server I got:

 ERROR! MySQL manager or server PID file could not be found!
Starting MySQL
...... ERROR! Manager of pid-file quit without updating file.

Any ideas?

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Where is your socket path: grep socket /path/to/my.cnf? – quanta Aug 7 '11 at 8:41

I had the same problem on mac os x mountain lion after an os update. I needed to remove the ACLs of the folders "/opt/local/var/run/mysql5" and "/opt/local/var/db/mysql5"

On OS X you can do this with the following commands in the named folders.

sudo chmod -R -N ./*
sudo chmod -N .
sudo chmod -N .turd_mysql5-server 
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