MariaDB數據庫管理系統是MySQL的一個分支，主要由開源社區在維護，採用GPL授權許可。
MariaDB服務
查詢MariaDB
<code>yum info mariadbyum info mariadb-server/<code>
安裝和配置MariaDB服務
<code>yum install mariadb-server -ysystemctl start mariadbsystemctl enable mariadbsystemctl status mariadbmysql_secure_installation# Follow the instruction ... .../<code>
查詢socket statistics狀態（TCP 3306）
<code>ss -antp | grep mysqld/<code>
配置防火牆例外
<code>firewall-cmd --permanent --add-service=mysqlfirewall-cmd --reloadfirewall-cmd --list-services/<code>
數據庫維護
基本操作
<code>mysql -u root -pcreate database myDB;show databases;grant all privileges on myDB.* to myDBowner@'%' identified by 'MyPassword';grant select on myDB.* to myDBread@'%' identified by 'MyPassword';flush privileges;show grants for myDBowner;/<code>
備份數據庫
<code>mkdir /backupmysqldump -uroot -pMyPassword myDB | gzip > /backup/myDB.sql.gzls /backup/<code>
恢復數據庫
<code>cd /backupgunzip myDB.sql.gzlscat myDB.sql | mysql -uroot -pMyPassword myDB/<code>
備份數據庫腳本
<code>#/bin/bashsub_folder=$(date +%Y%m%d)cd /backupmkdir $sub_folderbackup_file=/backup/$sub_folder/myDB.sql.gzmysqldump -uroot -pMyPassword myDB | gzip > $backup_file/<code>
MariaDB 10.1數據庫連結問題（高版本）
報錯：Host is not allowed to connect to this MariaDB server
<code> UPDATE mysql.user SET plugin = 'mysql_native_password' WHERE user = 'root' AND host = 'localhost';/<code>
安裝phpMyAdmin
<code># 安裝Apacheyum install httpd -ysystemctl status httpdsystemctl start httpdsystemctl enable httpdfirewall-cmd --permanent --add-service=httpfirewall-cmd --reloadfirewall-cmd --list-service# 安裝phpMyAdminyum install epel-release -yyum install phpmyadmin -y/<code>
訪問http://xxx.xxx.xxx.xxx/phpMyAdmin
報錯：You don't have permission to access /phpmyadmin on this server.
修改配置文件vi /etc/httpd/conf.d/phpMyAdmin.conf
<code>Require ip 127.0.0.1 192.168.10.100# 允許192.168.10.100通過Web訪問和配置MariaDB服務器/<code>
重啟httpd服務
<code>systemctl restart httpd/<code>
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