mysql在linux下的安装

安装环境：系统是 centos6.5

1、下载

下载地址：http://dev.mysql.com/downloads/mysql/5.6.html#downloads

下载版本：我这里选择的5.6.33，通用版，linux下64位

也可以直接复制64位的下载地址，通过命令下载：wgethttp://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.33-linux-glibc2.5-x86_64.tar.gz

2、解压

#解压

tar-zxvf mysql-5.6.33-linux-glibc2.5-x86_64.tar.gz

#复制解压后的mysql目录

cp-r mysql-5.6.33-linux-glibc2.5-x86_64/usr/local/mysql

3、添加用户组和用户

4#添加用户组

groupadd mysql

#添加用户mysql 到用户组mysql

useradd-g mysql mysql

4、安装

cd/usr/local/mysql/
mkdir./data/mysql

chown-R mysql:mysql ./

./scripts/mysql_install_db--user=mysql --datadir=/usr/local/mysql/data/mysql

cpsupport-files/mysql.server/etc/init.d/mysqld

chmod755/etc/init.d/mysqld

cpsupport-files/my-default.cnf/etc/my.cnf

#修改启动脚本

vi/etc/init.d/mysqld

#修改项：

basedir=/usr/local/mysql/

datadir=/usr/local/mysql/data/mysql

#启动服务

service mysqld start

#测试连接

./mysql/bin/mysql-uroot

#加入环境变量，编辑 /etc/profile，这样可以在任何地方用mysql命令了

exportPATH=$PATH:/usr/local/mysql//bin
source/etc/profile

#启动mysql

service mysqld start

#关闭mysql

service mysqld stop

#查看运行状态

service mysqld status

5、错误

5.1 sqlyog连接时，报1130错误，是由于没有给远程连接的用户权限问题

解决1:更改 ‘mysql’数据库‘user’表‘host’项，从‘localhost’改成‘%’。

use mysql;select'host'from user where user='root';

update user set host='%'where user ='root';

flush privileges;

解决2：直接授权

GRANT ALL PRIVILEGES ON *.* TO ‘root’@'%’ IDENTIFIED BY ‘youpassword’ WITH GRANT OPTION;

5.2 安装时的一些错误

-bash: ./scripts/mysql_install_db: /usr/bin/perl: bad interpreter: 没有那个文件或目录

解决： yum -y install perl perl-devel

Installing MySQL system tables..../bin/mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory

解决：yum -y install libaio-devel

6、其他

6.1 配置环境变量

vi + /etc/profile

export PATH=....:/usr/local/mysql/bin