时间:2021-07-01 10:21:17 帮助过:22人阅读
配置MySQL
获取安装时的临时密码:
- grep <span style="color: #800000;">‘</span><span style="color: #800000;">temporary password</span><span style="color: #800000;">‘</span> /var/log/mysqld.log
登录:
- mysql -u root -p
登录成功后修改密码:
- set password=password(<span style="color: #800000;">"</span><span style="color: #800000;">yourpassword</span><span style="color: #800000;">"</span>);
设置安全选项:
- mysql_secure_installation
其他设置:
- systemctl stop mysqld <span style="color: #008000;">#</span><span style="color: #008000;">关闭MySQL</span>
- systemctl restart mysqld <span style="color: #008000;">#</span><span style="color: #008000;">重启MySQL</span>
- systemctl status mysqld <span style="color: #008000;">#</span><span style="color: #008000;">查看MySQL运行状态</span>
- systemctl enable mysqld <span style="color: #008000;">#</span><span style="color: #008000;">设置开机启动</span>
- systemctl disable mysqld <span style="color: #008000;">#</span><span style="color: #008000;">关闭开机启动</span>
开启远程控制
MySQL默认是没有开启远程控制的,必须添加远程访问的用户
- grant all privileges on 数据库名.表名 to 创建的用户名(root)@<span style="color: #800000;">"</span><span style="color: #800000;">%</span><span style="color: #800000;">"</span> identified by <span style="color: #800000;">"</span><span style="color: #800000;">密码</span><span style="color: #800000;">"</span>; <span style="color: #008000;">#</span><span style="color: #008000;"> 数据库名.表名 如果写成*.*代表授权所有的数据库 </span>
- <span style="color: #000000;">
- flush privileges; </span><span style="color: #008000;">#</span><span style="color: #008000;">刷新刚才的内容<br><br>#如:<br>grant all privileges on *.* to root@"113.64.243.1" identified by "123456789";<br></span>
@ 后面是访问mysql的客户端IP地址(或是 主机名) % 代表任意的客户端,如果填写 localhost 为本地访问(那此用户就不能远程访问该mysql数据库了)。
同时也可以为现有的用户设置是否具有远程访问权限。
配置默认编码为utf8:
- vi /etc/<span style="color: #000000;">my.cnf
- </span><span style="color: #008000;">#</span><span style="color: #008000;">添加</span>
- <span style="color: #000000;">[mysqld]
- character_set_server</span>=<span style="color: #000000;">utf8
- init_connect</span>=<span style="color: #800000;">‘</span><span style="color: #800000;">SET NAMES utf8</span><span style="color: #800000;">‘</span>
其他默认配置文件路径:
- 配置文件:/etc/<span style="color: #000000;">my.cnf
- 日志文件:</span>/var/log//var/log/<span style="color: #000000;">mysqld.log
- 服务启动脚本:</span>/usr/lib/systemd/system/<span style="color: #000000;">mysqld.service
- socket文件:</span>/var/run/mysqld/mysqld.pid
CentOS7下安装mysql5.7
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