centOs7 安装 mysql 记录

安装

1. 安装依赖

# 下载
shell> wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm
# 安装 mysql 源
shell> yum localinstall mysql57-community-release-el7-11.noarch.rpm

2. 用下面的命令检查 mysql 源是否安装成功

shell> yum repolist enabled | grep "mysql.*-community.*"

3. 启动 mysql

yum install -y mysql-community-server

配置

1. 启动 mysql。 关闭命令是（systemctl start|stop）

systemctl start mysqld

2. 查看mysql 状态

systemctl status mysqld

3. 设置开机自启动

systemctl enable mysqld
# 重载所有修改过的配置文件
systemctl daemon-reload

4. 生成密码

grep 'password' /var/log/mysqld.log

5. 设置密码

   1. 登录 mysql

      mysql -uroot -p
      

   2. 设置密码

      ALTER USER 'root'@'localhost' IDENTIFIED BY 'ABCdef123!'; 
      

6. 添加一个允许远程连接的帐户

GRANT ALL PRIVILEGES ON *.* TO 'GanYuHui'@'%' IDENTIFIED BY 'ABCdef123!' WITH GRANT OPTION;

7. 允许 root 远程链接

use mysql;
UPDATE user SET Host='%' WHERE User='root';
flush privileges;

8. 设置默认编码为 utf8

vim /etc/my.cnf
 # 新增配置
[mysqld]
character-set-server=utf8
[client]
default-character-set=utf8
[mysql]
default-character-set=utf8

9. 重启 mysql 服务

systemctl restart mysqld