mysql yijian an zhuang

#!/bin/bash
yum install -y gcc gcc-c++ > /dev/null
rpm -qa | grep "mysql"
if [ $? -eq 0 ]
 then
 tar zxf /root/mysql-5.1.62.tar.gz  -C /usr/local/src
 cd /usr/local/src/mysql-5.1.62
# chuang jian shu ju ku de cun chu lu jin
 if [ -d /data/mysql ]
   then
  useradd -u 27 -d /data/mysql/ -s /sbin/nologin mysql
  chown -R mysql.mysql /data/mysql
 else
  mkdir -p /data/mysql
  useradd -u 27 -d /data/mysql/ -s /sbin/nologin mysql
  chown -R mysql.mysql /data/mysql
 fi
 ./configure --prefix=/usr/local/mysql \
 --sysconfdir=/etc \ 
 --localstatedir=/usr/local/mysql \  
        --with-charsel=utf8 \
 --with-extra-charsets=gbk,gb2312,utf8,ascii

 make
 make install
 make clean
 make distclean
 cp /usr/local/mysql155/support-files/my-medium.cnf /etc/my.cnf
       /usr/local/mysql/bin/mysql_install_db --user=myslq --basedir=/usr/local/mysql155/ --datadir=/data/mysql/
cat << ok >> /etc/my.cnf
[mysqld]
datadir     =/data/mysql
ok

 /etc/init.d/mysqld  restart
else
 yum remove mysql -y
fi