centos + mysql 安装 时候：Starting MySQL. ERROR! Manager of pid-file quit without updating file.
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下载：wget http://blog.s135.com/soft/linux/nginx_php/mysql/mysql-5.1.33.zip
安装：
unzip mysql-5.1.33.zip
cd mysql-5.1.33.zip
./configure --prefix=/usr/local/mysql --enable-assembler --with-extra-charsets=complex --enable-thread-safe-client --with-big-tables --with-readline --with-ssl --with-embedded-server --enable-local-infile --with-plugins=innobase
make
make install
useradd mysql -d /data/mysql -s/sbin/nologin
/usr/local/mysql/bin/mysql_install_db--user=mysql
cd /usr/local/mysql
chown -R root:mysql .
mkdir -p /data/mysql/data
chown -R mysql /data/mysql/data
cp share/mysql/my-huge.cnf /etc/my.cnf
cp share/mysql/mysql.server/etc/rc.d/init.d/mysqld
chmod 755 /etc/rc.d/init.d/mysqld
chkconfig --add mysql
service mysqld start
当重新启动时候总 报以下错误：
ERROR! MySQL manager or server PID file could not be found!
Starting MySQL. ERROR! Manager of pid-file quit without updating file.
解决办法：
MySQL编译安装，初始化数据库的时候出现：
unknown option '--skip-federated' 错误。
#vi /etc/my.cnf
#skip-federated 将此行注释掉即可。或者编译的时候加上如下参数：--with-plugins=all
如果还是不行的话那么就是因为您在配置的时候没有添加datadir，
#vi /etc/my.cnf
添加以下语句：
[mysqld]
port = 3306
socket = /tmp/mysql.sock
datadir = /usr/local/mysql/data
datadir是新加的
