ERROR: [root@testcentos01 ~]# ssh-add Could not open a connection to your authentication agent 在shell下执行 ssh-agent bash --login -i 然后再执行ssh-add就ok了…

在为windows 环境下的github账户添加SSH key时,需要在Git Bash执行如下命令: 第一步:检查已有的SSH keys $ ls -al ~/.ssh 第二步:生成新的SSH key $ ssh-keygen -t rsa -C "your_email@example.com" # Creates a new ssh key, using the provided email as a label # Generating public/private rsa ke…

ssh项目启动报错: org.dom4j.DocumentException: Connection timed out: connect Nested exception: Connection timed out: connect 一开始以为是数据库连接的事,后来发现是hibernate在实体对象映射数据库表的时候出的错 解决: 查看hibernate.jar包里的hibernate-mapping-3.0.dtd里的 <!DOCTYPE hibernate-mapping PUBLIC &qu…

ssh登陆报错:packet_write_wait: Connection to x.x.x.x port 22: Broken pipe 参考文章: https://patrickmn.com/aside/how-to-keep-alive-ssh-sessions/ 用 ssh 命令连接服务器之后,如果一段时间不操作,再次进入 Terminal 时会有一段时间没有响应,然后就出现错误提示: packet_write_wait: Connection to 47.92.226.106 port…

转自 nginx 报错 upstream timed out (110: Connection timed out)解决方案 - 为程序员服务http://outofmemory.cn/code-snippet/3315/nginx-upstream-timeout-110-connection-timeout-solution 报这个错误之后,整个服务器就不响应了,但是nginx后面的webpy程序没有任何错误,后端的数据库也很正常,从网上查了很多资料,都是说要修改proxy_read_tim…

centos6.5环境wget报错Unable to establish SSL connection [root@centossz008 src]# wget --no-check-certificate https://github.com/ideawu/ssdb/archive/master.zip--2107-05-17 16:42:45-- https://github.com/ideawu/ssdb/archive/master.zipResolving github.com...…

jpa报错 Unable to acquire a connection from driver [null], user [null] and URL [null] 为啥报错 因为你在persistence.xml中没配置你数据库的相应信息 咋解决 persistence.xml在哪里? 咋编辑这东西? 咋配置 <?xml version="1.0" encoding="UTF-8"?> <persistence version="2.…

$ ssh-add ~/.ssh/id_rsa.pub Could not open a connection to your authentication agent. 启动ssh-agent服务 eval `ssh-agent -s` 再运行 $ ssh-add Identity added: /c/Users/name/.ssh/id_rsa (/c/Users/name/.ssh/id_rsa) 参考链接:http://stackoverflow.com/questions/178465…

主要现象:ssh/scp 失败,host key verification failed. # scp /home/iso/********.iso root@192.168.1.***:/home/ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@…

报错如下: Struts Problem Report Struts has detected an unhandled exception: Messages: testAction Unable to instantiate Action, testAction, defined for 'test' in namespace '/'testAction File: org/apache/catalina/loader/WebappClassLoaderBase.java Line numb…