生成配置
在 MariaDB Repository Configuration Tool 選擇系統版本以及需要安裝的mariadb
版本。將生成的內容將生成的內容保存至/etc/yum.repos.d/mariadb.repo
。
例如我選擇的是系統版本是centos7 (x86_64)
,要安裝的是10.3[old stable]
版本。
# MariaDB 10.3 CentOS repository list - created 2021-01-21 06:32 UTC
# http://downloads.mariadb.org/mariadb/repositories/
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.3/centos7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1
更換源
執行以下命令替換源地址
sudo sed -i 's#yum\.mariadb\.org#mirrors.ustc.edu.cn/mariadb/yum#' /etc/yum.repos.d/mariadb.repo
# 建議使用 HTTPS
sudo sed -i 's#http://mirrors\.ustc\.edu\.cn#https://mirrors.ustc.edu.cn#g' /etc/yum.repos.d/mariadb.repo
安裝
sudo yum install MariaDB-server MariaDB-client
配置
- 啓動服務並設爲開機自啓
systemctl start mariadb
systemctl enable mariadb
- 設置密碼
執行mysql_secure_installation
命令進行root
密碼的設置
mysql_secure_installation #設置root密碼等相關
Enter current password for root (enter for none): # 輸入數據庫超級管理員root的密碼(注意不是系統root的密碼),第一次進入還沒有設置密碼則直接回車
Set root password? [Y/n] # 設置密碼,y
New password: # 新密碼
Re-enter new password: # 再次輸入密碼
Remove anonymous users? [Y/n] # 移除匿名用戶, y
Disallow root login remotely? [Y/n] # 拒絕root遠程登錄,n,不管y/n,都會拒絕root遠程登錄
Remove test database and access to it? [Y/n] # 刪除test數據庫,y:刪除。n:不刪除,數據庫中會有一個test數據庫,一般不需要
Reload privilege tables now? [Y/n] # 重新加載權限表,y。或者重啓服務也許
- 設置字符集
在/etc/my.cnf
文件[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
在/etc/my.cnf.d/client.cnf
文件[client]
標籤下添加
default-character-set=utf8
在/etc/my.cnf.d/mysql-clients.cnf
文件[mysql]
標籤下添加
default-character-set=utf8
- 重啓服務
systemctl restart mariadb
驗證
- 查看
mariadb
版本
[root@localhost ~]# mysql -uroot -p
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 12
Server version: 10.3.27-MariaDB MariaDB Server
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]>
安裝版本爲10.3.27🆗
- 查看字符集相關配置
MariaDB [(none)]> show variables like "%character%";show variables like "%collation%";
+--------------------------+----------------------------+
| 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 |