Centos如何安装mysql5.7

1、下载MySQL

#进入local目录 cd /usr/local/ #下载mysql wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz

2、解压mysql修改名称

tar -zxvf mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz mv mysql-5.7.17-linux-glibc2.5-x86_64 mysql mkdir data

3、添加用户和组

groupadd mysql useradd -r -s /sbin/nologin -g mysql mysql -d /usr/local/mysql chown -R mysql.mysql /usr/local/mysql/

4、安装命令

yum -y install libAIo-devel ./bin/mysql_install_db –user=mysql –basedir=/usr/local/mysql/ –datadir=/usr/local/mysql/data/ cp -a ./support-files/my-default.cnf /etc/my.cnf cp -a ./support-files/mysql.server /etc/init.d/mysqld

5、修改配置文件

#打开配置目录 vi /etc/my.cnf #增加目录配置 basedir=/usr/local/mysql/ datadir=/usr/local/mysql/data

6、启动，修改root密码，添加远程连接用户权限

#修改环境变量配置文件 vi /etc/profile #增加mysql全局变量，使service mysqld start可以在任意位置使用 export PATH=$PATH:/usr/local/mysql/bin #即时生效 source /etc/profile #启动mysql service mysqld start #mysql刚安装完毕没有密码进入mysql命令行 mysql -uroot -p #查询mysql用户 select User, Host, Password FROM mysql.user; #修改root密码 update mysql.user set password=password(root) where User=”root”; #为root添加远程权限 grant all privileges on *.* to root@%identified by root with grant option; #刷新权限 flush privileges;