Linux下mysql的部署和安装-RPM方式
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RPM方式安装mysql5.6
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)
[[email protected] ~]# rpm -qa | grep -i mysql mysql-libs-5.1.66-2.el6_3.x86_64 [[email protected] ~]# 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:
[[email protected] 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
[[email protected] rpm]# rpm -ivh MySQL-server-5.6.15-1.el6.x86_64.rpm [[email protected] rpm]# rpm -ivh MySQL-devel-5.6.15-1.el6.x86_64.rpm [[email protected] rpm]# rpm -ivh MySQL-client-5.6.15-1.el6.x86_64.rpm #修改配置文件位置 [[email protected] rpm]# cp /usr/share/mysql/my-default.cnf /etc/my.cnf
d. 初始化MySQL及设置密码
[[email protected] rpm]# /usr/bin/mysql_install_db [[email protected] rpm]# service mysql start [[email protected] 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 [[email protected] ~]# mysql -uroot –pqKTaFZnl mysql> SET PASSWORD = PASSWORD(‘123456‘); #设置密码为123456 mysql> exit [[email protected] ~]# 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
[[email protected] ~]# chkconfig mysql on [[email protected] ~]# 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%‘;
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