合并代码

fix_mysql.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+ 
+echo "=== 修复 MySQL 监听配置 ==="
+ 
+# 1. 备份配置文件
+sudo cp /etc/mysql/mysql.conf.d/mysqld.cnf /etc/mysql/mysql.conf.d/mysqld.cnf.backup.$(date +%Y%m%d_%H%M%S)
+echo "✅ 已备份配置文件"
+ 
+# 2. 修改 bind-address
+sudo sed -i 's/^bind-address.*127.0.0.1/bind-address = 0.0.0.0/' /etc/mysql/mysql.conf.d/mysqld.cnf
+echo "✅ 已修改 bind-address"
+ 
+# 3. 显示修改后的配置
+echo ""
+echo "修改后的配置："
+sudo grep "bind-address" /etc/mysql/mysql.conf.d/mysqld.cnf
+echo ""
+ 
+# 4. 重启 MySQL
+echo "正在重启 MySQL..."
+sudo systemctl restart mysql
+sleep 2
+ 
+# 5. 验证
+echo ""
+echo "验证 MySQL 监听状态："
+sudo netstat -tlnp | grep 3306
+echo ""
+ 
+# 6. 测试连接
+DOCKER0_IP=$(ip addr show docker0 | grep -oP '(?<=inet\s)\d+(\.\d+){3}')
+echo "测试从本机连接 MySQL (IP: $DOCKER0_IP):"
+mysql -h $DOCKER0_IP -u railway -p'Railway01.' -e "SELECT 'Connection OK' as status, DATABASE() as current_db, VERSION() as version;" 2>&1
+ 
+echo ""
+echo "=== 修复完成 ==="