Install MariaDB on Linux Centos or redhat

1. Install MariaDB

install command

yum -y install mariadb mariadb-server

After installing MariaDB, start MariaDB first

systemctl start mariadb

set startup

systemctl enable mariadb

Next, perform simple configuration related to MariaDB

mysql_secure_installation

The first is to set a password, you will be prompted to enter the password first

Enter current password for root (enter for none):<--Enter directly for the first run

set password

Set root password? [Y/n]  <– Whether to set the root user password, enter y and press Enter or press Enter directly
New password:  <– Set the root user password
Re-enter new password:  <– Enter the one you set again password

Other configuration

Remove anonymous users? [Y/n]  <– Whether to delete anonymous users, press Enter

Disallow root login remotely? [Y/n]  <--whether root remote login is prohibited, press Enter,

Remove test database and access to it? [Y/n]  <– Whether to delete the test database, press Enter

Reload privilege tables now? [Y/n]  <– whether to reload privilege tables, press Enter

The initialization of MariaDB is completed, and then test the login

mysql -uroot -ppassword

Finish.

 

2. Configure the character set of MariaDB

file /etc/my.cnf

vi /etc/my.cnf

Add under the [mysqld] tag

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

file /etc/my.cnf.d/client.cnf

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

add in [client]

default-character-set=utf8

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

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

add in [mysql]

default-character-set=utf8

 All configuration is complete, restart mariadb

systemctl restart mariadb

Then enter MariaDB to view the character set

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

显示为


+--------------------------+----------------------------+
| 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。

 

3、添加用户,设置权限

创建用户命令

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

直接创建用户并授权的命令

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

授予外网登陆权限 

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

授予权限并且可以授权

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

简单的用户和权限配置基本就这样了。

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

4.spring boot 配置mariadb数据库链接

spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5InnoDBDialect
spring.datasource.url=jdbc:mariadb://localhost:3306/Solrsearch
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driver-class-name=org.mariadb.jdbc.Driver

pom.xml 文件加入以下依赖

<!-- https://mvnrepository.com/artifact/org.mariadb.jdbc/mariadb-java-client -->
<dependency>
    <groupId>org.mariadb.jdbc</groupId>
    <artifactId>mariadb-java-client</artifactId>
    <version>2.1.2</version>
</dependency>

Linux系统教程:如何检查MariaDB服务端版本  http://www.linuxidc.com/Linux/2015-08/122382.htm

MariaDB Proxy读写分离的实现 http://www.linuxidc.com/Linux/2014-05/101306.htm

Linux下编译安装配置MariaDB数据库的方法 http://www.linuxidc.com/Linux/2014-11/109049.htm

CentOS系统使用yum安装MariaDB数据库 http://www.linuxidc.com/Linux/2014-11/109048.htm

安装MariaDB与MySQL并存 http://www.linuxidc.com/Linux/2014-11/109047.htm

Ubuntu 上如何将 MySQL 5.5 数据库迁移到 MariaDB 10  http://www.linuxidc.com/Linux/2014-11/109471.htm

[翻译]Ubuntu 14.04 (Trusty) Server 安装 MariaDB  http://www.linuxidc.com/Linux/2014-12/110048htm

MariaDB 的详细介绍请点这里
MariaDB 的下载地址请点这里

更多CentOS相关信息见CentOS 专题页面 http://www.linuxidc.com/topicnews.aspx?tid=14

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