FreeBSD 安装 MySQL 5.X

mysql 5.5（请参考5.6）/5.6

安装

pkg、ports 安装二选一

# pkg install mysql56-server# 或者# cd /usr/ports/databases/mysql56-server/ && make install clean

启动服务

# sysrc mysql_enable=YES# service mysql-server start

配置

# mysql_secure_installation

---

输出：

root@ykla:~ # mysql_secure_installationNOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MySQL  SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY! In order to log into MySQL to secure it, we'll need the currentpassword for the root user.  If you've just installed MySQL, andyou haven't set the root password yet, the password will be blank,so you should just press enter here.Enter current password for root (enter for none): OK, successfully used password, moving on...Setting the root password ensures that nobody can log into the MySQLroot user without the proper authorisation.Set root password? [Y/n] yNew password: Re-enter new password: Password updated successfully!Reloading privilege tables.. ... Success!By default, a MySQL installation has an anonymous user, allowing anyoneto log into MySQL without having to have a user account created forthem.  This is intended only for testing, and to make the installationgo a bit smoother.  You should remove them before moving into aproduction environment.Remove anonymous users? [Y/n] y ... Success!Normally, root should only be allowed to connect from 'localhost'.  Thisensures that someone cannot guess at the root password from the network.Disallow root login remotely? [Y/n] n ... skipping.By default, MySQL comes with a database named 'test' that anyone canaccess.  This is also intended only for testing, and should be removedbefore moving into a production environment.Remove test database and access to it? [Y/n] n ... skipping.Reloading the privilege tables will ensure that all changes made so farwill take effect immediately.Reload privilege tables now? [Y/n]  ... Success!All done!  If you've completed all of the above steps, your MySQLinstallation should now be secure.Thanks for using MySQL!Cleaning up...

使用

登录# mysql -u root -p示例输出root@ykla:~ # mysql -u root -pEnter password: Welcome to the MySQL monitor.  Commands end with ; or g.Your MySQL connection id is 12Server version: 5.6.51 Source distributionCopyright (c) 2000, 2021, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.mysql> show databases;+--------------------+| Database|+--------------------+| information_schema || mysql  || performance_schema || test|+--------------------+4 rows in set (0.00 sec)mysql> 

mysql 5.7

注意：如果是从旧版本升级，请先执行mysql_upgrade

安装

以下二选一

# pkg install mysql57-server# 或# cd /usr/ports/databases/mysql57-server/ && make install clean

启动服务

# sysrc mysql_enable=YES# service mysql-server start

示例输出(可以看到密码在/root/.mysql_secret文件夹下，是q(<p2ZZ>lX/:

root@ykla:~ # sysrc mysql_enable=YESmysql_enable:  -> YESroot@ykla:~ # service mysql-server startStarting mysql.root@ykla:~ # cat /root/.mysql_secret# Password set for user 'root@localhost' at 2021-12-13 00:21:02 q(<p2ZZ>lX/:root@ykla:~ # 

尝试登录

登录出现报错，提示需要修改密码。

root@ykla:~ # mysql -u root -pEnter password: Welcome to the MySQL monitor.  Commands end with ; or g.Your MySQL connection id is 2Server version: 5.7.36-logCopyright (c) 2000, 2021, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.root@localhost [(none)]> show databases;ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.root@localhost [(none)]> 

修改密码

将现在的密码修改为your_new_password，然后刷新权限。

root@localhost [(none)]> SET PASSWORD = PASSWORD('your_new_password');Query OK, 0 rows affected, 1 waing (0.00 sec)root@localhost [(none)]> flush privileges;Query OK, 0 rows affected (0.00 sec)

正常登录

root@ykla:~ # mysql -u root -pEnter password: Welcome to the MySQL monitor.  Commands end with ; or g.Your MySQL connection id is 3Server version: 5.7.36-log Source distribution Copyright (c) 2000, 2021, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners. Type 'help;' or 'h' for help. Type 'c' to clear the current input statement. root@localhost [(none)]> show databases;+--------------------+| Database|+--------------------+| information_schema || mysql  || performance_schema || sys|+--------------------+4 rows in set (0.00 sec)root@localhost [(none)]>