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linux 安装mysql

时间:2021-07-01 10:21:17 帮助过:14人阅读

-qa | grep -i mysql

 

如果有就卸载

rpm -e mysql-libs --nodeps
或者
yum remove mysql*

命令卸载mysql及相关组件

 

上传

MySQL-client-5.6.35-1.el6.x86_64.rpm

MySQL-devel-5.6.35-1.el6.x86_64.rpm

MySQL-server-5.6.35-1.el6.x86_64.rpm

 

安装

# rpm -ivh MySQL-server-5.6.35-1.rhel5.x86_64.rpm
# rpm -ivh MySQL-devel-5.6.35-1.rhel5.x86_64.rpm

# rpm -ivh MySQL-client-5.6.35-1.rhel5.x86_64.rpm

#修改配置文件位置

# cp /usr/share/mysql/my-default.cnf /etc/my.cnf

 

如果有包冲突

#yum -y remove mysql-libs-5.1*

 

 初始化MySQL及设置密码

# /usr/bin/mysql_install_db

# service mysql start

# 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

# mysql -uroot –pqKTaFZnl

mysql> SET PASSWORD = PASSWORD(‘123456‘);    #设置密码为123456

mysql> exit

# mysql -uroot -p123456

 

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

 

设置开机自启动

# chkconfig mysql on

# chkconfig --list | grep mysql

mysql           0:off   1:off   2:on    3:on    4:on    5:on    6:off

 

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%‘;

 

 

启动服务

/etc/init.d/mysql start

停止服务
# /etc/init.d/mysql stop

 

  

  

  

  

linux 安装mysql

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