[MariaDB] 在CentOS8.2上安裝最新版的MariaDB

通常 CentOS 官方的 repository 不會隨著各個軟體更新到最新，因為對於伺服器來說穩定最重要。但需要使用最新的話要怎麼辦呢？就來看看如何做吧！

(環境：CentOS8.2)

1. 新增一個 repository

   [user@localhost ~]$ sudo vim /etc/yum.repos.d/MariadDB.repo
   
   [mariadb]
   name = MariaDB
   baseurl = http://yum.mariadb.org/10.5/centos8-amd64
   module_hotfixes=1
   gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
   gpgcheck=1
   

   這裡要特別說明一下，若版本(上面紅色顯示的部分)是選擇x.x，則會安裝x.x版中最新的那個版本，像寫文章這個當下，在10.5中最新版本是10.5.5，若要指定下載10.5.4怎麼辦呢？很簡單！紅色部分就改為10.5.4就好了。
2. 確認有加入成功，若有看到 MariaDB 就是可以安裝新版了喲!

   [user@localhost ~]$ sudo dnf makecache
   CentOS-8 - AppStream
   CentOS-8 - Base
   CentOS-8 - Extras
   MariaDB
   Extra Packages for Enterprise Linux Modular 8 - x86_64
   Extra Packages for Enterprise Linux 8 - x86_64
   Metadata cache created.
   

3. 開始安裝！

   [user@localhost ~]$ sudo dnf install mariadb-server mariadb
   

4. 檢查版本

   [user@localhost ~]$ rpm -qi MariaDB-server
   Name        : MariaDB-server
   Version     : 10.5.5
   Release     : 1.el8
   Architecture: x86_64
   Install Date: Wed 23 Sep 2020 03:43:14 PM CST
   Group       : Applications/Databases
   Size        : 132924528
   License     : GPLv2
   Signature   : DSA/SHA1, Sat 08 Aug 2020 10:10:11 AM CST, Key ID cbcb082a1bb943db
   Source RPM  : MariaDB-server-10.5.5-1.el8.src.rpm
   Build Date  : Sat 08 Aug 2020 12:27:40 AM CST
   Build Host  : rhel8-amd64
   Relocations : (not relocatable)
   Vendor      : MariaDB Foundation
   URL         : http://mariadb.org
   Summary     : MariaDB: a very fast and robust SQL database server
   Description :
   MariaDB: a very fast and robust SQL database server
   
   It is GPL v2 licensed, which means you can use the it free of charge under the
   conditions of the GNU General Public License Version 2 (http://www.gnu.org/licenses/).
   
   MariaDB documentation can be found at https://mariadb.com/kb
   MariaDB bug reports should be submitted through https://jira.mariadb.org