linux mysql 启动失败(Can't create/write to can't create PID file: >Permission denied

>071117 20:53:26 mysqld started
>071117 20:53:26 [ERROR] /usr/libexec/mysqld: Can't create/write to
>file '/home/me/mysql/data/dev.pid' (Errcode: 13)
>071117 20:53:26 [ERROR] Can't start server: can't create PID file:
>Permission denied
>071117 20:53:26 mysqld ended
>
>Permissions look good on the folder mysql for user=mysql and
>group=mysql. I am not sure why I am keep getting this error. Can
>someone give me an insight?

在mysql日志文件中，找到错误的原因。
那么，怎么解决该问题。
解决办法：
在/home/me/mysql/data/目录下，创建dev.pid文件。

#touch dev.pid

然后设置权限

#cd ..
#chown -R mysql data .

#cd /usr/local/mysql/
#bin/mysqld_safe --user=mysql &

这样应该就能解决这个问题。