diff --git a/linux/Linux-knowledge.txt b/linux/Linux-knowledge.txt
index 7df1600..eb970d6 100644
--- a/linux/Linux-knowledge.txt
+++ b/linux/Linux-knowledge.txt
@@ -308,5 +308,11 @@ systemctl stop tank.service
 sudo apt-get install mariadb-server
 sudo mysql_secure_installation设置密码即可。
 CREATE DATABASE boys CHARACTER SET = utf8 COLLATE = utf8_general_ci;
+=> 设置可以远程登录
+/etc/mysql/mariadb.conf.d/50-server.cnf中注释bind-address。
+select User, host from mysql.user;
+GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'password' WITH GRANT OPTION;
+GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.100.%' IDENTIFIED BY 'my-new-password' WITH GRANT OPTION;
+FLUSH PRIVILEGES;
 
 neofetch