本文主要给大家简单讲讲怎么样安装多实例MySQL数据库，相关专业术语大家可以上网查查或者找一些相关书籍补充一下，这里就不涉猎了，我们就直奔主题吧，希望怎么样安装多实例mysql数据库这篇文章可以给大家带来一些实际帮助。
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一、实验环境
系统：cetos6.5
软件：mysql-5.5.32.tar.gz
二、实验步骤
1.1 安装cmake软件
tar xf cmake-2.8.8.tar.gz
cd cmake-2.8.8
./configure
gmake
gmake install
1.2 创建用户和组及其安装mysql依赖包
groupadd mysql
useradd mysql -s /sbin/nologin -M msyql
yum -y install ncurses-devel
1.3 解压编译安装mysql
tar xf mysql-5.5.32.tar.gz
cd mysql-5.5.32.tar.gz
cmake . -DCMAKE_INSTALL_PREFIX=/application/mysql-5.5.32 \
-DMYSQL_DATADIR=/application/mysql-5.5.32/data \
-DMYSQL_UNIX_ADDR=/application/mysql-5.5.32/tmp/mysql.sock \
-DDEFAULT_CHARSET=utf8 \
-DDEFAULT_COLLATION=utf8_general_ci \
-DEXTRA_CHARSETS=gbk,gb2312,utf8,ascii \
-DENABLED_LOCAL_INFILE=ON \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITHOUT_EXAMPLE_STORAGE_ENGINE=1 \
-DWITHOUT_PARTITION_STORAGE_ENGINE=1 \
-DWITH_FAST_MUTEXES=1 \
-DWITH_ZLIB=bundled \
-DENABLED_LOCAL_INFILE=1 \
-DWITH_READLINE=1 \
-DWITH_EMBEDDED_SERVER=1 \
-DWITH_DEBUG=0
make && make install
1.4 配置环境变量写入/etc/profile文件中
PATH="/application/mysql/bin:$PATH"
1.5 创建多实例目录启动脚本配置文件及其授权
/data/
├── 3306
│ ├── data
│ ├── my.cnf
│ └── mysql
└── 3307
├── data
├── my.cnf
└── mysql
chown -R mysql.mysql /data/
find /data/ -type f -name "mysql"|xargs chmod +x
/data/3306/mysql start ---启动mysql进程
/data/3307/mysql start ---启动mysql进程
1.6 通过socket多实例方式登录mysql
mysql -S /data/3306/mysql.sock
mysql -S /data/3307/mysql.sock
1.7 修改密码
mysqladmin -uroot -S /data/3306/mysql.sock password '123'
mysqladmin -uroot -S /data/3307/mysql.sock password '123'
1.8 改密码后的登录方式
mysql -uroot -p -S /data/3306/mysql.sock
mysql -uroot -p -S /data/3307/mysql.sock
1.9 实现登录成功
~]#mysql -uroot -p -S /data/3306/mysql.sock
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.5.32 Source distributio
Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
~]#mysql -uroot -p -S /data/3307/mysql.sock
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.5.32 Source distributio
Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement
mysql>
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