这个也是自己在学习了一段linux之后，自己写的一个一键安装mysql单实例。脚本目录大概是这样的，一下这个是我安装文件里面的目录，其实脚本我只是将安装过程用脚本写出来而已。个人感觉脚本里面的安装过程没有变化。不懂大家手动安装过程一不一样。
目前安装我的系统是CentOS release 5.6 32 Linux 2.6.18-238.el5。mysql软件：mysql-5.0.45.tar.gz 目前我也不是很清楚大家使用得比较广泛的版本是什么版本，应该没有接触过真正的实际案例。[PS:本人英文考试没有一次及格过，文中的英文语法错误应该是正常的，请大家忽略。]
1)创建mysql用户
2）编译、安装mysql--编译参数要正确，不带mysql版本
3）拷贝配置文件和mysql
4）创建数据库文件
5）授权mysql用户访问 chown -R mysql.mysql /usrl/local/mysql
6）配置全局路径
7）初始化数据库
8）启动mysql数据库
-----------------------------------低调的分割线------------------------------------------
#!/bin/bash
# Authore:liwentong
# Mail:
# V.1-0 13-09-14
# Functione: Install the mysql for sole
#------Determine if have mysql runing---#
/bin/netstat -tln |grep 3306 >/dev/null
[ $? -eq 0 ] && \
/bin/echo "Can't install because have mysql running.." && exit 1
[[ -d /usr/local/mysql-5.0.45 || -d /usr/local/mysql ]] && \
/bin/echo "You already install mysql softword " && exit 1
#----------Add mysql user --------------#
/bin/grep mysql: /etc/shadow
[ $? -ne 0 ] && \
{
/usr/sbin/groupadd mysql
/usr/sbin/useradd -g mysql -s /sbin/nologin mysql
}
#------------Install the soft-----------#
[ ! -f /root/tools/mysql-5.0.45.tar.gz ] && \
echo "You have't sofaword" >> /tmp/mysql_install.log && exit 1
cd /root/tools
/bin/tar zxf mysql-5.0.45.tar.gz
cd mysql-5.0.45
./configure \
--prefix=/usr/local/mysql \
--with-unix-socket-path=/usr/local/mysql/tmp/mysql.scok \
--localstatedir=/usr/local/mysql/data \
--enable-assembler \
--enable-thread-safe-client \
--with-mysql-user=mysql \
--with-big-tables \
--without-debug \
--with-pthread \
--with-extra-charsets=complex \
--with-readline \
--with-ssl \
--with-embedded-server \
--enable-local-infile \
--with-plugins=partition,innobase \
--with-mysqld-ldflags=-all-static \
--with-client-ldflags=-all-static
#1>/dev/null 2>>/tmp/mysql_install.log
if [ $? -ne 0 ];then
echo "Config error " >> /tmp/mysql_install.log && exit 1
else
echo "Config sucessful " >> /tmp/mysql_install.log
fi
make && make install
if [ $? -ne 0 ];then
echo "Make && make install error" >>/tmp/mysql_install.log && exit 1
else
echo "Make && make install sucessful" >>/tmp/mysql_install.log
fi
#/bin/ln -s /usr/local/mysql-5.0.45 /usr/local/mysql
#----------Copy the config and mysqld----#
/bin/cp /root/tools/mysql-5.0.45/support-files/my-small.cnf /etc/my.cnf
/bin/cp /root/tools/mysql-5.0.45/support-files/mysql.server /usr/local/mysql/bin/mysqld
#----mkdir DATA and Authorization mysql--#
#创建数据目录及授权用户
/bin/mkdir -p /usr/local/mysql/data
/bin/chown -R mysql.mysql /usr/local/mysql/
#-----Configure the PATH and mysqld-----#
echo "PATH=$PATH:/usr/local/mysql/bin">>/etc/profile
source /etc/profile
/bin/cp /root/tools/mysql-5.0.45/support-files/mysql.server /etc/rc.d/init.d/mysqld
/bin/chmod 750 /usr/local/mysql/bin/mysqld
/bin/chmod 750 /etc/rc.d/init.d/mysqld
#---Initialization and Starting MySQL---#
/usr/local/mysql/bin/mysql_install_db --user=mysql
echo "/usr/local/mysql/bin/mysqld_safe & " >> /etc/rc.local
/usr/local/mysql/bin/mysqld_safe &
/bin/netstat -tln |grep 3306
[ $? -eq 0 ] && echo "Mysql Staring" >> /tmp/mysql_install.log || echo "Mysql is not staring" >> /tmp/mysql_install.log
-----------------------------低调的分割线------------------------------------------------
不懂为什么正常的安装完成之后，通过这个mysqld文件来进行启动，就是启动不起来。而如果是通过/usr/local/mysql/bin/mysqld_safe & 就是能够启动起来。这个不懂是什么原因。如果有知道，也请在评论中告诉我吧。
另：mysqladmin -uroot password "修改的密码"