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这篇文章主要介绍了Ubuntu下MySQL如何安装的相关知识,内容详细易懂,操作简单快捷,具有一定借鉴价值,相信大家阅读完这篇Ubuntu下MySQL如何安装文章都会有所收获,下面我们一起来看看吧。
sudo apt-get update sudo apt-get install
sudo
Securing the MySQL server deployment. Connecting to MySQL using a blank password. VALIDATE PASSWORD PLUGIN can be used to test passwords and improve security. It checks the strength of password and allows the users to set only those passwords which are secure enough. Would you like to setup VALIDATE PASSWORD plugin? Press y|Y for Yes, any other key for No: y There are three levels of password validation policy: LOW Length >= 8 MEDIUM Length >= 8, numeric, mixed case, and special characters STRONG Length >= 8, numeric, mixed case, special characters and dictionary file Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 2 <=====注意这里一定要选2,STRONG Please set the password for root here. New password: Re-enter new password: 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 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 Success. Normally, root should only be allowed to connect from 'localhost'. This ensures that someone cannot guess at the root password from the network. Disallow root login remotely? (Press y|Y for Yes, any other key for No) : y Success. By default, MySQL comes with a database named 'test' that anyone can access. This is also intended only for testing, and should be removed before moving into a production environment. Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y - Dropping test database... Success. - Removing privileges on test database... Success. Reloading the privilege tables will ensure that all changes made so far will take effect immediately. Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y Success. All done!
Please enter 0 = LOW, 1 = MEDIUM and 2 =
sudo systemctl start mysql.service sudo systemctl enable mysql.service sudo
mysql> use mysql; mysql> select User,Host,plugin from user; +------------------+-----------+-----------------------+ | User | Host | plugin | +------------------+-----------+-----------------------+ | root | localhost | auth_socket <--这里 | | mysql.session | localhost | mysql_native_password | | mysql.sys | localhost | mysql_native_password | | debian-sys-maint | localhost | mysql_native_password | +------------------+-----------+-----------------------+ mysql> update user set plugin='mysql_native_password' where User='root' and Host='localhost'; mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost'; mysql> flush privileges;
mysql> show variables like 'char%'; mysql> show variables like 'collation%'; sudo vim /etc/mysql/conf.d/mysql.cnf [mysql] default-character-set = utf8 sudo vim /etc/mysql/mysql.conf.d/mysqld.cnf [mysqld] collation-server = utf8_general_ci character-set-server = utf8 sudo
sudo systemctl status mysql.service sudo lsof -i:3306 netstat -ntpl | grep
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