编译安装mysql-5.5.33

1. 安装依赖软件

   # yum -y install gcc gcc-c++ ncurses-devel bison-devel libaio-devel

2.    安装cmake

# yum -y install cmake28

3.    编译安装

# groupadd -r mysql

# useradd -g mysql -r -d /mysqldata -s /sbin/nologin mysql

# chown -R mysql:mysql /mysqldata

# tar xf mysql-5.5.33.tar.gz

# cd mysql-5.5.33

# cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DMYSQL_DATADIR=/mysqldata -DSYSCONFDIR=/etc -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_ARCHIVE_STORAGE_ENGINE=1 -DWITH_BLACKHOLE_STORAGE_ENGINE=1 -DWITH_READLINE=1 -DWITH_SSL=system -DWITH_ZLIB=system -DWITH_LIBWRAP=0 -DMYSQL_UNIX_ADDR=/tmp/mysql.sock -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci

# make

# make install

4.    mysql服务器初始化

//创建my.cnf配置文件

# cd /usr/local/mysql

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

# echo "datadir = /mysqldata" >> /etc/my.cnf

//创建服务脚本

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

# chmod +x /etc/init.d/mysqld

# chkconfig --add mysqld

# chkconfig mysqld on

//初始化mysql系统数据库

# scripts/mysql_install_db --user=mysql --datadir=/mysqldata

//修改环境变量

# echo "export PATH=$PATH:/usr/local/mysql/bin" > /etc/profile.d/mysql.sh

# .  /etc/profile.d/mysql.sh

5.    修改默认密码

# service mysqld start

# mysql -uroot -p    //回车，默认为空密码

mysql>

方法一：

mysql> SET PASSWORD FOR ‘root‘@‘localhost‘ = PASSWORD(‘12345‘);

方法二：

mysql> UPDATE user SET password = PASSWORD(‘12345‘) WHERE user = ‘root‘;

mysql> FLUSH PRIVILEGES;

方法三：

# mysqladmin -uroot -hlocalhost password ‘new12345‘ -p

# mysqladmin -uroot -hlocalhost -p flush-privileges

6.    删除匿名用户

mysql> select user,host,password from mysql.user;

+------+-----------------------+-------------------------------------------+

| user | host                  | password                                  |

+------+-----------------------+-------------------------------------------+

| root | localhost             | *96073409CD134870AF004F84332F73924C906E9A |

| root | localhost.localdomain |                                           |

| root | 127.0.0.1             |                                           |

| root | ::1                   |                                           |

|      | localhost             |                                           |

|      | localhost.localdomain |                                           |

+------+-----------------------+-------------------------------------------+

6 rows in set (0.00 sec)

//删除最后两行

mysql> drop user ‘‘@‘localhost‘;

mysql> drop user ‘‘@‘localhost.localdomain‘;