Centos7.3下mysql5.7安装配置教程

本文大家分享了mysql5.7安装配置教程，供大家参考，具体内容如下

第一步：获取mysql YUM源

进入mysql官网获取RPM包下载地址

https://dev.mysql.com/downloads/repo/yum/

点击下载

右击复制链接地址https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm

得到这个这个就是Yum仓库的rpm包其实就是一个下载地址

第二步：下载和安装mysql源

先下载 mysql源安装包

[root@localhost ~]# wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm

我们先安装下wget

yum -y install wget

wgethttps://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm

yum -y localinstall mysql57-community-release-el7-11.noarch.rpm

yum -y install mysql-community-server

第四步：启动Mysql服务

systemctl start mysqld

[root@localhost ~]# systemctl enable mysqld[root@localhost ~]# systemctl daemon-reload

mysql安装完成之后，在/var/log/mysqld.log文件中给root生成了一个临时的默认密码。

[root@localhost ~]# vi /var/log/mysqld.log

这里的临时密码 eMV.R#mWe3ha

[root@localhost ~]# mysql -u root -pEnter password:

mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'Caofeng2012@';Query OK, 0 rows affected (0.00 sec)

第七步：设置允许远程登录

Mysql默认不允许远程登录，我们需要设置下，并且防火墙开放3306端口；

mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'Caofeng2012@' WITH GRANT OPTION;Query OK, 0 rows affected, 1 warning (0.01 sec)mysql> exit;Bye

[root@localhost ~]# firewall-cmd --zone=public --add-port=3306/tcp --permanentsuccess[root@localhost ~]# firewall-cmd --reloadsuccess[root@localhost ~]#

第八步：配置默认编码为utf8

修改/etc/my.cnf配置文件，在[mysqld]下添加编码配置，如下所示：

[mysqld]character_set_server=utf8init_connect='SET NAMES utf8'[root@localhost ~]# vi /etc/my.cnf

编辑保存完重启mysql服务；

[root@localhost ~]# systemctl restart mysqld[root@localhost ~]#

mysql> show variables like '%character%';+--------------------------+----------------------------+| Variable_name | Value |+--------------------------+----------------------------+| character_set_client | utf8 || character_set_connection | utf8 || character_set_database | utf8 || character_set_filesystem | binary || character_set_results | utf8 || character_set_server | utf8 || character_set_system | utf8 || character_sets_dir | /usr/share/mysql/charsets/ |+--------------------------+----------------------------+8 rows in set (0.00 sec)

我们用本机的sqlyog远程连接下虚拟机里的mysql

OK 至此 Mysql安装配置完毕；

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