在 Centos 8 上，默认安装的 mariadb 服务器版本为：MariaDB Community Server 10.3
你只需要执行：
dnf install mariadb-server
上面的命令进行安装就可以了。
运行结果
通过命令查看运行数据库的版本：systemctl status mariadb
[root@vps-14bde4ea ~]# systemctl status mariadb
● mariadb.service - MariaDB 10.3 database server
Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; vendor preset: disabled)
Active: active (running) since Fri 2020-11-27 16:06:39 UTC; 9s ago
Docs: man:mysqld(8)
https://mariadb.com/kb/en/library/systemd/
Main PID: 16185 (mysqld)
Status: "Taking your SQL requests now..."
Tasks: 30 (limit: 11019)
Memory: 85.2M
CGroup: /system.slice/mariadb.service
└─16185 /usr/libexec/mysqld --basedir=/usr
Nov 27 16:06:39 vps-14bde4ea.vps.ovh.ca mysql-prepare-db-dir[16082]: See the MariaDB Knowledgebase at http://mariadb.com/kb or the
Nov 27 16:06:39 vps-14bde4ea.vps.ovh.ca mysql-prepare-db-dir[16082]: MySQL manual for more instructions.
Nov 27 16:06:39 vps-14bde4ea.vps.ovh.ca mysql-prepare-db-dir[16082]: Please report any problems at http://mariadb.org/jira
Nov 27 16:06:39 vps-14bde4ea.vps.ovh.ca mysql-prepare-db-dir[16082]: The latest information about MariaDB is available at http://mariadb.org/.
Nov 27 16:06:39 vps-14bde4ea.vps.ovh.ca mysql-prepare-db-dir[16082]: You can find additional information about the MySQL part at:
Nov 27 16:06:39 vps-14bde4ea.vps.ovh.ca mysql-prepare-db-dir[16082]: http://dev.mysql.com
Nov 27 16:06:39 vps-14bde4ea.vps.ovh.ca mysql-prepare-db-dir[16082]: Consider joining MariaDB's strong and vibrant community:
Nov 27 16:06:39 vps-14bde4ea.vps.ovh.ca mysql-prepare-db-dir[16082]: https://mariadb.org/get-involved/
Nov 27 16:06:39 vps-14bde4ea.vps.ovh.ca mysqld[16185]: 2020-11-27 16:06:39 0 [Note] /usr/libexec/mysqld (mysqld 10.3.17-MariaDB) starting as process 16185 ...
Nov 27 16:06:39 vps-14bde4ea.vps.ovh.ca systemd[1]: Started MariaDB 10.3 database server.
[root@vps-14bde4ea ~]#
在上面的界面中，你可以看到运行服务器的版本。
通过这个命令，你可以看到当前的版本号。
