SecureCRT ssh 客户端连接失败: The server has disconnected with an error.  Server message reads: A protocol error occurred. Change of username or service not allowed: (root,ssh-connection) -> (zoujiaqing,ssh-connection) 这是因为SecureCRT设置中的用户名和你登录时候输入的用户名不相符,在这…

在研究Linux安全的时候遇到一个问题,原本打算修改linux直接远程root登陆,修改为sshd的配置文件后 Nano /etc/ssh/sshd_config 把#PermitRootLogin yes 修改为PermitRootLogin no 修改完成后,保存退出 重启sshd service sshd restart 新建一个普通用户 Useradd unixbar Passwd unixbar 在securecrt远程工具中,使用普通用户登陆的时候,出现了 The server ha…

RT:    首先是确认ubuntu上有运行 sshd服务的 但是用SecureCRT链接时报错,默认用户名是root: 打开ssh_config检查下是否禁止直接用root登陆 这句 改成yes ok再次链接…

pyspark Python3.7环境设置 及py4j.protocol.Py4JJavaError: An error occurred while calling z:org.apache.spark.api.python.PythonRDD.collectAndServe解决! 环境设置 JDK: java version "1.8.0_66" Python 3.7 spark-2.3.1-bin-hadoop2.7.tgz 环境变量 export PYSPARK_PYTHON=…

今天小编用Python编写Spark程序报了如下异常: py4j.protocol.Py4JJavaError: An error occurred while calling z:org.apache.spark.api.python.PythonRDD.collectAndServe.: java.lang.IllegalArgumentException: Unsupported class file major version 55 从网上找到的解决方案是JDK版本问题,于是乎小编将Ja…

Sharepoint 部署的时候出现一个错误 Error occurred in deployment step 'Add Solution': Operation is not valid due to the current state of the object. 在Server Manager里面看到错误: The Service Control Manager tried to take a corrective action (Restart the service) after t…

When trying to install mercury quality center starter edition 9.0 on Windows XP media center, I am getting the following error Wrong attributes  "An error occurred while attempting to connect to the database. Please check that the database is availab…

An error occurred while opening mailbox  Microsoft.Crm.Tools.Email.Providers. Whenever I check how CRM is doing internally I always check the event viewer to see if there’s anything going wrong with Dynamics CRM. The most common error I see in the ev…

某日开发反馈测试环境的集群启动失败 报错内容如下: [gpadmin@hadoop-test2:/root]$ gpstart :::: gpstart:hadoop-test2:gpadmin-[INFO]:-Starting gpstart with args: :::: gpstart:hadoop-test2:gpadmin-[INFO]:-Gathering information and validating the environment... :::: gpstart:hadoo…

在SSH  Secure Shell 连接Linux centos的时候,遇到F-Secure SSH File Transfer错误"too many authentication failures for root".A protocol error was detected.This usually indicates a bug in the SSH application(either client or server). 网上有种方法是这样的:修改了客户端的设置Edit-&…