centos7安裝MariaDB數據庫

一、安裝MariaDB

安裝命令：

yum -y install mariadb mariadb-server

安裝完成MariaDB，首先啓動MariaDB

systemctl start mariadb

設置開機啓動

systemctl enable mariadb

接下來進行MariaDB的相關簡單配置

mysql_secure_installation

首先是設置密碼，會提示先輸入密碼

Enter current password for root (enter for none):  <–初次運行直接回車

設置密碼

Set root password? [Y/n] <– 是否設置root用戶密碼，輸入y並回車或直接回車
New password: <– 設置root用戶的密碼
Re-enter new password: <– 再輸入一次你設置的密碼

其餘配置

Remove anonymous users? [Y/n] <– 是否刪除匿名用戶，回車

Disallow root login remotely? [Y/n] <–是否禁止root遠程登陸,回車,

Remove test database and access to it? [Y/n] <– 是否刪除test數據庫，回車

Reload privilege tables now? [Y/n] <– 是否從新加載權限表，回車

初始化MariaDB完成，接下來測試登陸。

mysql -uroot -ppassword

二、配置MariaDB的字符集

文件/etc/my.cnf

vi /etc/my.cnf

在[mysqld]標籤下添加

init_connect='SET collation_connection = utf8_unicode_ci' 
init_connect='SET NAMES utf8' 
character-set-server=utf8 
collation-server=utf8_unicode_ci 
skip-character-set-client-handshake

文件/etc/my.cnf.d/client.cnf

vi /etc/my.cnf.d/client.cnf

在[client]中添加

default-character-set=utf8

文件/etc/my.cnf.d/mysql-clients.cnf

vi /etc/my.cnf.d/mysql-clients.cnf

在[mysql]中添加

default-character-set=utf8

所有配置完成，重啓mariadb

systemctl restart mariadb

以後進入MariaDB查看字符集

mysql> show variables like "%character%";show variables like "%collation%";

顯示爲

+--------------------------+----------------------------+
| Variable_name            | Value                      |
+--------------------------+----------------------------+
| character_set_client    | utf8                      |
| character_set_connection | utf8                      |
| character_set_database  | utf8                      |
| character_set_filesystem | binary                    |
| character_set_results    | utf8                      |
| character_set_server    | utf8                      |
| character_set_system    | utf8                      |
| character_sets_dir      | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
8 rows in set (0.00 sec)

+----------------------+-----------------+
| Variable_name        | Value          |
+----------------------+-----------------+
| collation_connection | utf8_unicode_ci |
| collation_database  | utf8_unicode_ci |
| collation_server    | utf8_unicode_ci |
+----------------------+-----------------+
3 rows in set (0.00 sec)

字符集配置完成。

三、添加用戶，設置權限

建立用戶命令

mysql>create user username@localhost identified by 'password';

直接建立用戶並受權的命令

mysql>grant all on *.* to username@localhost indentified by 'password';

授予外網登錄權限而且能夠受權

mysql>grant all privileges on *.* to username@'%' identified by 'password' with grant option;

簡單的用戶和權限配置基本就這樣了。

其中只授予部分權限把 其中 all privileges或者all改成select,insert,update,delete,create,drop,index,alter,grant,references,reload,shutdown,process,file其中一部分。