以rpm方式安装 a. 检查MysqL及相关RPM包，是否安装，如果有安装，则移除（rpm –e 名称） [root@localhost ~]# rpm -qa | grep -i MysqL MysqL-libs-5.1.66-2.el6_3.x86_64 [root@localhost ~]# yum -y remove MysqL-libs* b. 下载Linux对应的RPM包，如：CentOS6.4_64对应的RPM包，如下： [root@localhost rpm]# ll total 74364 -rw-r--r--. 1 root root 18442536 Dec 11 20:19 MysqL-client-5.6.15-1.el6.x86_64.rpm -rw-r--r--. 1 root root 3340660 Dec 11 20:06 MysqL-devel-5.6.15-1.el6.x86_64.rpm -rw-r--r--. 1 root root 54360600 Dec 11 20:03 MysqL-server-5.6.15-1.el6.x86_64.rpm c. 安装MysqL [root@localhost rpm]# rpm -ivh MysqL-server-5.6.15-1.el6.x86_64.rpm [root@localhost rpm]# rpm -ivh MysqL-devel-5.6.15-1.el6.x86_64.rpm [root@localhost rpm]# rpm -ivh MysqL-client-5.6.15-1.el6.x86_64.rpm #修改配置文件位置 [root@localhost rpm]# cp /usr/share/MysqL/my-default.cnf /etc/my.cnf d. 初始化MysqL及设置密码 [root@localhost rpm]# /usr/bin/MysqL_install_db [root@localhost rpm]# service MysqL start [root@localhost rpm]# cat /root/.MysqL_secret #查看root账号密码 # The random password set for the root user at Wed Dec 11 23:32:50 2013 (local time): qKTaFZnl [root@localhost ~]# MysqL -uroot –pqKTaFZnl MysqL> SET PASSWORD = PASSWORD('123456'); #设置密码为123456 MysqL> exit [root@localhost ~]# MysqL -uroot -p123456 e. 允许远程登陆 MysqL> use MysqL; MysqL> select host,user,password from user; +-----------------------+------+-------------------------------------------+ | host | user | password | +-----------------------+------+-------------------------------------------+ | localhost | root | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 | | localhost.localdomain | root | *1237E2CE819C427B0D8174456DD83C47480D37E8 | | 127.0.0.1 | root | *1237E2CE819C427B0D8174456DD83C47480D37E8 | | ::1 | root | *1237E2CE819C427B0D8174456DD83C47480D37E8 | +-----------------------+------+-------------------------------------------+ MysqL> update user set password=password('123456') where user='root'; MysqL> update user set host='%' where user='root' and host='localhost'; MysqL> flush privileges; MysqL> exit f. 设置开机自启动 [root@localhost ~]# chkconfig MysqL on [root@localhost ~]# chkconfig --list | grep MysqL MysqL 0:off 1:off 2:on 3:on 4:on 5:on 6:off g. MysqL的默认安装位置 /var/lib/MysqL/ #数据库目录 /usr/share/MysqL #配置文件目录 /usr/bin #相关命令目录 /etc/init.d/MysqL #启动脚本 修改字符集和数据存储路径 配置/etc/my.cnf文件,修改数据存放路径、MysqL.sock路径以及默认编码utf-8. [client] password = 123456 port = 3306 default-character-set=utf8 [MysqLd] port = 3306 character_set_server=utf8 character_set_client=utf8 collation-server=utf8_general_ci #(注意linux下MysqL安装完后是默认：表名区分大小写，列名不区分大小写； 0：区分大小写，1：不区分大小写) lower_case_table_names=1 #(设置最大连接数，默认为 151，MysqL服务器允许的最大连接数16384; ) max_connections=1000 [MysqL] default-character-set = utf8 查看字符集 show variables like '%collation%'; show variables like '%char%';