linux安装mysql

 

下载mysql　　https://dev.mysql.com/downloads/mysql/5.6.html#downloads

　　

 

 

先检查是否有mysql用户组和mysql用户,没有就添加有就忽略： groups mysql

添加用户组和用户 groupadd mysql && useradd -r -g mysql mysql

进入mysql目录修改权限  cd mysql

chown -R mysql:mysql ./

ls /etc/my.cnf 

rm my.cnf

rm /etc/my.cnf

安装依赖库   yum -y install autoconf && yum install libaio* -y && yum -y install numactl 

执行安装脚本   ./scripts/mysql_install_db --user=mysql

 

cp support-files/my-default.cnf /etc/my.cnf

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

ln -s /usr/local/mysql/bin/mysql /usr/local/bin/mysql

mysql -u root -p 

use mysql

update user set  password =password('123456') where user = 'root';

flush privileges;

 

 

连接远程数据库

  grant all privileges on *.* to 'root'@'%' identified by '123456' with grant option;

flush privileges;