MariaDB

CentOS7下安装MariaDB

一、安装MariaDB

[root@rainbowzj ~]# yum -y install mariadb-server已加载插件：fastestmirrorbase                                                                                     | 3.6 kB  00:00:00     elasticsearch-5.x                                                                        | 1.3 kB  00:00:00     epel/x86_64/metalink                                                                     | 5.1 kB  00:00:00     epel                                                                                     | 4.3 kB  00:00:00     extras                                                                                   | 3.4 kB  00:00:00     updates                                                                                  | 3.4 kB  00:00:00  #若没有vim可以yum install -y vim，或直接用vi[root@rainbowzj ~]#  vim /etc/my.cnf  # 在[mysqld]中添加character-set-server=utf8[root@rainbowzj ~]# systemctl start mariadb[root@rainbowzj ~]# systemctl enable mariadbCreated symlink from /etc/systemd/system/multi-user.target.wants/mariadb.service to /usr/lib/systemd/system/mariadb.service.

二、MariaDB初始设置

[root@rainbowzj ~]# mysql_secure_installationNOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB      SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY!In order to log into MariaDB to secure it, we'll need the currentpassword for the root user.  If you've just installed MariaDB, 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 MariaDBroot user without the proper authorisation.#设置root密码Set root password? [Y/n] yNew password: Re-enter new password: Password updated successfully!Reloading privilege tables.. ... Success!By default, a MariaDB installation has an anonymous user, allowing anyoneto log into MariaDB 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.#删除匿名用户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.#禁止root远程登录Disallow root login remotely? [Y/n] y ... Success!By default, MariaDB 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.#删除测试数据库并访问它Remove test database and access to it? [Y/n] y - Dropping test database... ... Success! - Removing privileges on test database... ... Success!Reloading the privilege tables will ensure that all changes made so farwill take effect immediately.#重新加载权限表Reload privilege tables now? [Y/n] y ... Success!Cleaning up...All done!  If you've completed all of the above steps, your MariaDBinstallation should now be secure.Thanks for using MariaDB![root@rainbowzj ~]# mysql -u root -pEnter password: Welcome to the MariaDB monitor.  Commands end with ; or \g.Your MariaDB connection id is 10Server version: 5.5.52-MariaDB MariaDB ServerCopyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.MariaDB [(none)]> select user,host,password from mysql.user;+------+-----------+-------------------------------------------+| user | host      | password                                  |+------+-----------+-------------------------------------------+| root | localhost | *xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx || root | 127.0.0.1 | *xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx || root | ::1       | *xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx |+------+-----------+-------------------------------------------+3 rows in set (0.00 sec)MariaDB [(none)]> show databases;+--------------------+| Database           |+--------------------+| information_schema || mysql              || performance_schema |+--------------------+3 rows in set (0.00 sec)MariaDB [(none)]> exitBye