最近购买了阿里云服务器准备玩玩,但是使用xshell连接阿里云服务器时,系统一直提示“Connection established. To escape to local shell, press 'Ctrl+Alt+]'. Connection closing...Socket close. Connection closed by foreign host. Disconnected from remote host(ALIYUN) at 15:05:08. Type `help' to l
在远程连接mysql的时候,连接不上,出现如下报错:Lost connection to MySQL server at 'waiting for initial communication packet', system error: 0截图如下: 原因分析:mysql开启了DNS的反向解析功能,这样mysql对连接的客户端会进行DNS主机名查找.mysql处理客户端解析过程:1)当mysql的client连过来的时候,服务器会主动去查client的域名.2)首先查找 /etc/hosts 文