mysql 5.5.14_mysql5.5.14装配

mysql5.5.14安装

1.创建用户和用户组与赋予数据存放目录权限

groupadd -g 502 mysql

useradd -u 502 -g mysql mysql

2.wget http://www.cmake.org/files/v2.8/cmake-2.8.5.tar.gz

tar zxf cmake-2.8.5.tar.gz -C /usr/local/src

cd /usr/local/src/cmake-2.8.5

./configure

有时需要用到代理

export http_proxy=http://ip:port/

export ftp_proxy=http://ip:port/

3.安装mysql 5.5.14

wget http://mirrors.sohu.com/mysql/MySQL-5.5/mysql-5.5.14.tar.gz

tar zxf mysql-5.5.14.tar.gz

4.创建mysql安装目录和数据存放目录

mkdir -p /usr/local/mysql/

mkdir -p /opt/data/mysql/

chown mysql.mysql -R /opt/data/mysql/

5.编译mysql-5.5.14

CFLAGS="-O3" CXX=gcc

CXXFLAGS="-O3 -felide-constructors -fno-exceptions -fno-rtti"

/usr/local/bin/cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql /

-DMYSQL_UNIX_ADDR=/tmp/mysql.sock /

-DDEFAULT_CHARSET=utf8 /

-DDEFAULT_COLLATION=utf8_general_ci /

-DWITH_EXTRA_CHARSETS:STRING=utf8,gbk /

-DWITH_MYISAM_STORAGE_ENGINE=1 /

-DWITH_INNOBASE_STORAGE_ENGINE=1 /

-DWITH_READLINE=1 /

-DENABLED_LOCAL_INFILE=1 /

-DMYSQL_DATADIR=/opt/data/mysql /

-DMYSQL_tcp_PORT=3306

-DWITH_MEMORY_STORAGE_ENGINE=1 /

-DMYSQL_USER=mysql /

-DCMAKE_INSTALL_PREFIX=/home/mysql/mysql -DEXTRA_CHARSETS=all

nohup make -j6 && make install

6.配置文件

cp /etc/my.cnf /etc/my.cnf-date +%F

mkdir -p /usr/local/mysql/etc

cp support-files/my-medium.cnf /usr/local/mysql/etc/my.cnf

chgrp -R mysql *

cd /opt/data/mysql/

chown mysql.mysql /opt/data/mysql/

vim /etc/my.cnf加入

innodb_log_files_in_group=2

innodb_data_home_dir = /opt/data/mysql/

innodb_data_file_path = ibdata1:2000M;ibdata2:2000M;ibdata3:20M:autoextend

innodb_log_group_home_dir = /opt/data/mysql/

# 4G RAM

innodb_buffer_pool_size = 1G

innodb_log_file_size = 256M

innodb_log_buffer_size = 8M

innodb_flush_log_at_trx_commit=0

innodb_thread_concurrency=8

innodb_flush_method=O_DIRECT

# perform

tmp_table_size = 512M

max_heap_table_size=128M

6. 设置mysqld的开机启动:

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

chmod 755 /etc/init.d/mysqld

chkconfig mysqld on

chkconfig –list mysqld

配置环境

#加入mysql到路径

echo pathmunge /usr/local/mysql/bin after > /etc/profile.d/mysql.sh

#执行一下，保证mysql在路径环境变量中

. /etc/profile

或者

vim /etc/profile

PATH=$PATH:/usr/local/mysql/bin

PATH=/usr/local/mysql/bin:$PATH

启动mysql服务

/etc/init.d/mysqld start  //服务器端开关

启动完成之后用ps -ef |grep mysql 命令查看是否启动

7       mysql安全设置

设置root帐户的密码

mysqladmin -u root password '360buy.com'

删除本机匿名连接的空密码帐号

本机登录mysql

mysql -uroot -p

然后输入上面设置的密码，登录后在mysql的命令行中执行：

use mysql;

delete from user where user="";

delete from user where password="";

flush privileges;

quit

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