一.问题描述:xshell连接不了虚拟机,出现错误提示:Connection closing...Socket close.Connection closed by foreign host.Disconnected from remote host(localhost) at 08:47:23. 二.查找错误原因: 1.登录虚拟机,打开终端,切换到root用户,输入systemctl start sshd.service看能否开启sshd服务,提示开启失败,输入systemctl status
sqlserver2005连接失败,不存在或拒绝访问 启动tcp/ip连接的方法: 打开 /Microsoft SQL Server 2005/配置工具/目录下的SQL Server Configuration Manager,选择mssqlserver协议,然后右边窗口有个tcp/ip协议,设置ip/all默认端口为1433,然后启动它,重启sqlserver服务. Ps: 必须在控制面板-管理工具-服务-找到SQL Server (MSSQLSERVER)-右键先选择关闭,再开启.