vim /etc/mysql/my.cnf bind-address = 0.0.0.0 /etc/init.d/mysql restart mysql -uroot -p1234 # grant all privileges on *.* to root@'%' identified by '1234' with grant option;or #grant all privileges on *.* to root@'<HOST_IP>' identified by '1234' with…

环境:在VirtualBox中安装了Ubuntu虚拟机,网络使用了NAT模式,开启了端口转发. 局域网内其他计算机访问虚拟机中的MySQL Server出现两个问题: Lost connection to MySQL server at 'reading initial communication packet, system error: 0 以及 host is not allowed to connect mysql 1.解决Lost connection to MySQL server…

今天安装MYSQL遇到MYSQL ERROR 1130: Host is not allowed to connect to this MySQL server, 试了很多办法都不行 skip-grant-tables 放在my.ini [mysqld] 1.更改任意主机登陆 mysql> use mysql; mysql> update user set host = '%' where user = 'root' and host='localhost'; 2.更新权限 mysql>…

From my mailbag: How do I write a C program to connect MySQL database server? MySQL database does support C program API just like PHP or perl. The C API code is distributed with MySQL. It is included in the mysqlclient library and allows C programs t…

我的服务器买的是阿里云ECS linux系统.为了更好的操作数据库,我希望可以用navicat for mysql管理我的数据库. 当我按照正常的模式去链接mysql的时候, 报错提示: - Can't connect MySQL Server on 'x.x.x.x'(10038) 于是,通过查找资料,我找到了解决的方法,其实是阿里云服务器为了安全默认不允许从外面链接Mysql数据库. 下面是解决整理的三种解决的方法: 第一种.监听地址配置错误解决方法: 检查mysql服务端口(默认为3306…

vs2010 and vs2012 are installed on target machine. Build c# project using vs2010, following error occurred: ERROR message : error MSB4216: Could not run the "GenerateResource" task because MSBuild could not create or connect to a task host with…

更换计算机名,重新启动系统后 oracle 的监听器就无法正常启动, 总是提示ORA-12545:Connect failed beacuse target host or object does not exist,每次监听器启动完就自动又关闭.打开oracle 目录 D:\ORACLE\ora92\network\admin 下的listener.ora 文件 把HOST的值改为自己新的计算机名或者IP地址,并且把tnsnames.ora文件中的HOST改为自己的机器名称或者是ip地址…

[oracle@ybdbtest oradata]$ sqlplus /nolog SQL*Plus: Release 9.2.0.4.0 - Production on Thu Jun 26 10:16:29 2014 Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved. SQL> conn / as sysdba ERROR: ORA-12545: Connect failed because target h…

如题  xshell连接虚拟机上的centOS,操作途中突然断开连接,报错:connect closed by foreign host 快捷解决方法: 在虚拟机上centOS重新启动网络,即可解决问题: 命令: sudo service network restart…

问题描述 $ lsnrctl startLSNRCTL for Linux: Version 12.1.0.2.0 - Production on 26-JUL-2017 09:53:42Copyright (c) 1991, 2014, Oracle. All rights reserved.Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=mengqf)(PORT=1521)))TNS-12545: Connect failed…