mysql安装

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1. 首先卸载系统自带的 mysql
# yum remove mysql

2.安装cmake

查看 cmake 版本
# cmake -version

3.安装 ncurses 和 bison
# yum -y install ncurses-devel
# yum -y install bison

4. 创建mysql组和用户
# groupadd mysql
# useradd -g mysql mysql

5. 创建数据库目录及分配访问权限
# mkdir -p /usr/local/mysql
# chown -R root:mysql /usr/local/mysql
# chown -R mysql:mysql /usr/local/mysql/data

6. 编译安装mysql
下载mysql源码
# wget http://cdn.mysql.com/Downloads/MySQL-5.6/mysql-5.6.20.tar.gz

# tar xzfv mysql-5.6.20.tar.gz
# cd mysql-5.6.20
# cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DMYSQL_DATADIR=/usr/local/mysql/data -DSYSCONFDIR=/etc

参数说明:
-DCMAKE_INSTALL_PREFIX    //安装根目录
-DINSTALL_DATADIR         //数据存储目录
-DSYSCONFDIR              //配置文件(my.cnf)目录

# make
# make install

7. 配置 mysql

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

# vi /etc/my.cnf
在 [mysqld] 段修改
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data

保存退出编辑。

8. 初始化数据库
# cd /usr/local/mysql
# ./scripts/mysql_install_db --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --defaults-file=/etc/my.cnf --user=mysql
# cp ./support-files/mysql.server /etc/init.d/mysql
# chmod 755 /etc/init.d/mysql
# chkconfig --add mysql

9. 设置启动脚本变量
# vi /etc/init.d/mysql
basedir=/usr/local/mysql
datadir=/usr/local/mysql/data
保存退出。

10. 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)

11. 启动服务
# service mysql start

Starting MySQL.                                            [  OK  ]

12. 设置数据库管理员root密码
# mysqladmin -u root password '123456'


grant all privileges on testDB.* to test@‘%’ identified by ‘1234’

flush privileges
0 0
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