步骤一:安装MySQL
1、运行以下命令更新YUM源。
rpm -Uvh http://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpm
2、运行以下命令安装MySQL。
yum -y install mysql-community-server
3、运行以下命令查看MySQL版本号。
mysql -V
步骤二:配置MySQL
1、运行以下命令启动MySQL服务。
systemctl start mysqld
2、运行以下命令设置MySQL服务开机自启动。
systemctl enable mysqld
3、运行以下命令查看/var/log/mysqld.log文件,获取并记录root用户的初始密码。
# grep 'temporary password' /var/log/mysqld.log
2019-04-28T06:50:56.674085Z 1 [Note] A temporary password is generated for root@localhost: 3w)WqGlM7-o,
说明: 下一步对MySQL进行安全性配置时,会使用该初始密码。
4、运行下列命令对MySQL进行安全性配置。
mysql_secure_installation
i.重置root用户的密码。
Enter password for user root: #输入上一步获取的root用户初始密码
The 'validate_password' plugin is installed on the server.
The subsequent steps will run with the existing configuration of the plugin.
Using existing password for root.
Estimated strength of the password: 100
Change the password for root ? ((Press y|Y for Yes, any other key for No) : Y #是否更改root用户密码,输入Y
New password: #输入新密码,长度为8至30个字符,必须同时包含大小写英文字母、数字和特殊符号。特殊符号可以是()` ~!@#$%^&*-+=|{}[]:;‘<>,.?/
Re-enter new password: #再次输入新密码
Estimated strength of the password: 100
Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : Y #是否继续操作,输入Y
ii.删除匿名用户账号。
By default, a MySQL installation has an anonymous user, allowing anyone to log into MySQL without having to have a user account created for them. This is intended only for testing, and to make the installation go a bit smoother. You should remove them before moving into a production environment.
Remove anonymous users? (Press y|Y for Yes, any other key for No) : Y #是否删除匿名用户,输入Y
Success.
iii.禁止root账号远程登录。
Disallow root login remotely? (Press y|Y for Yes, any other key for No) : Y #禁止root远程登录,输入Y
Success.
iv.删除test库以及对test库的访问权限。
Remove test database and access to it? (Press y|Y for Yes, any other key for No) : Y #是否删除test库和对它的访问权限,输入Y
- Dropping test database...
Success.
v.重新加载授权表。
Reload privilege tables now? (Press y|Y for Yes, any other key for No) : Y #是否重新加载授权表,输入Y
Success.
All done!
步骤三:远程访问MySQL数据库
1、在ECS实例上,创建远程登录MySQL的账号。
i.运行以下命令后,输入root用户的密码登录MySQL。
mysql -uroot -p
2、依次运行以下命令创建远程登录MySQL的账号。示例账号为dms
、密码为123456
。
mysql> grant all on *.* to 'dms'@'%'IDENTIFIED BY '123456'; #使用root替换dms,可设置为允许root账号远程登录。
mysql> flush privileges;
未经允许不得转载:Mr.T的世界 » 阿里云服务器手动部署MySQL数据库(CentOS 7)