centos 6.2 安装mysql-5.5.17

1.安装相关库文件（没有的话就安装，有就不用安装了）  

# yum install bison gcc gcc-c++ autoconf automake zlib* libxml* ncurses-devel libtool-ltdl-devel*

 

2.安装cmake包

# wget http://www.cmake.org/files/v2.8/cmake-2.8.6.tar.gz

 

# tar zxvf cmake-2.8.6.tar.gz

# cd cmake-2.8.6/

# ./configure

# gmake

# gmake install  

 

3.添加用户和创建数据库目录和权限设置

# useradd mysql

# mkdir -p /data/mysql

# chown -R root:mysql /data/mysql

 

4.MYSQL 5.5.17

# wget http://dev.mysql.com/get/Downloads/MySQL-5.5/mysql-5.5.17.tar.gz/from/http://mysql.ntu.edu.tw/

 

# tar zxvf mysql-5.5.17.tar.gz

# cd mysql-5.5.17

# cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DMYSQL_DATADIR=/data/mysql -DSYSCONFDIR=/etc/

# gmake

# gmake install

 

5.设置mysql配置文件

 

# cd /usr/local/mysql

# cp ./support-files/my-huge.cnf /etc/my.cnf 

 

5.1编辑/etc/my.cnf

# vi /etc/my.cnf

在 [mysqld] 段增加

datadir = /data/mysql

wait-timeout = 30

max_connections = 512

max_connect_errors = 10000000

default-storage-engine = MyISAM

 

在 [mysqld] 段修改

max_allowed_packet = 16M 

 

6.初始化数据库

 

# ./scripts/mysql_install_db --datadir=/data/mysql --basedir=/usr/local/mysql  --defaults-file=/etc/my.cnf --user=mysql

# cp ./support-files/mysql.server /etc/rc.d/init.d/mysqld

# chmod 755 /etc/rc.d/init.d/mysqld

# chkconfig --add mysqld

 

7.设置启动脚本变量 

  编辑 /etc/rc.d/init.d/mysqld

# vi /etc/rc.d/init.d/mysqld

basedir=/usr/local/mysql

datadir=/data/mysql 

 

8.设置变量环境

# echo "PATH=$PATH:/usr/local/mysql/bin" >> /etc/profile （永久生效）

# export PATH=$PATH:/usr/local/mysql/bin （当前生效）

 

9.启动服务

# service mysqld start

 

10.设置数据库管理员root密码

# mysqladmin -u root password '123456'

# service mysqld restart

 

11.进入Mysql 

# mysql -u root -p