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github: kex_exchange_identification: Connection closed by remote host

问题描述(base)➜testgit:(dev)gitpullkex_exchange_identification:ConnectionclosedbyremotehostConnectionclosedby192.30.255.113port22致命错误:无法读取远程仓库。解决方案参照下边文档https://docs.github.com/en/authentication/troubleshooting-ssh/using-ssh-over-the-https-port进入config文件(base)➜.sshvi~/.ssh/config添加下述配置Hostgithub.comHost

【Git异常】Push master to origin/master was rejected by remote

今天新分配的git账号和新项目,拉下来代码更改后发现push不上去,原因是因为权限不够,master分支被保护了,重新修改了master权限解决办法:master分支是protected,development没有push权限,故在git上修改一下master分支对应的权限即可设置中选择ProrectedBranchesAllowedtopush更改选择一个角色即可,而后unprotect

Modbus RTU(Remote Terminal Unit)与RS-485协议(rs485)介绍(主站设备(Master)、从站设备(Slave))Modbus TCP、Modbus ASCII

文章目录ModbusRTU与RS-485协议介绍一、引言二、ModbusRTU协议介绍2.1ModbusRTU协议简介2.2ModbusRTU协议帧结构主站设备、从站设备与从站设备地址2.3ModbusRTU协议举例三、RS-485协议介绍3.1RS-485协议简介3.2RS-485物理连接方式3.3RS-485与ModbusRTU的关系四、ModbusTCP、ModbusRTU、ModbusASCII、ModbusPLUS区别ModbusTCPModbusRTUModbusASCIIModbusPLUSModbusRTU与RS-485协议介绍参考文章:ModBus协议参考文章:一篇文章了解R

ubuntu22.04安装ROS报错curl: (7) Failed to connect to raw.githubusercontent.com port 443: 拒绝连接

ubuntu22.04安装ros时在执行下面命令时报错:sudocurl-sSLhttps://raw.githubusercontent.com/ros/rosdistro/master/ros.key-o/usr/share/keyrings/ros-archive-keyring.gpg报错:curl:(7)Failedtoconnecttoraw.githubusercontent.comport443:拒绝连接同时执行后面命令sudoaptupdate的时候,同时报错:W:GPG错误:http://packages.ros.org/ros2/ubuntujammyInRelease:

ssh连接失败,提示ssh: connect to host port 22: Connection refused

情况描述如图,ssh连接失败,连接显示器输入sudonetstat-tuln|grep22命令查看占用22端口的服务,无任何输出,说明也不是默认端口22被占用的问题。无法启动,提示如下查看SSH服务是否正在运行,systemctlstatusssh结果显示未运行,尝试重启ssh服务,无法启动,提示如下systemctlstartssh尝试卸载openssh-server并重新安装,结果依旧是这个情况,错误信息也相同。解决方法根据上图中的提示,journalctl-xeussh.service查看详细信息,貌似是配置文件86行那里出了问题。打开SSH配置文件/etc/ssh/sshd_confi

git克隆报错:Permission denied (publickey).fatal: Could not read from remote repository解决办法

git克隆报错:Permissiondenied(publickey).fatal:Couldnotreadfromremoterepository1、问题解决首先参考文章例如:缺少公钥解决办法2、生成公钥报错ssh-keygen-trsa-C‘邮箱’生成公钥时,报错如下:Savingkey"C:\\Users\\ASUS\\.ssh\033[D\033[D\033[D\033[D\033[D\033[D\033[D\解决办法:需要换到C盘的C:\Users\ASUS.ssh目录下,再右键GitBashHere输入命令:ssh-keygen-trsa-C'xxx@123.com'3、此时以为可

git提交问题: Push rejected Push develop to origin/develop was rejected by remote

git提交时报这个错误时09:50:12.049:[jdk8_source]git-ccredential.helper=-ccore.quotepath=false-clog.showSignature=falsepush--progress--porcelainoriginrefs/heads/develop:developTotal18(delta16),reused0(delta0),pack-reused0remote:PoweredbyGITEE.COM[GNK-6.4]remote:error:GE007:Yourpushwouldpublishaprivateemailaddr

[ Windows ] ping IP + Port 测试 ip 和 端口是否通畅

开发过程中经常会黑窗口中手动测试一下计划请求的目标ip和端口是否通畅,测试方式如下:一、单纯测试ip是否能够ping通,这个比较熟悉了,运行cmd打开黑窗口输入如下指令,能够如下提示信息,表示端口是通畅的。pingip(如:127.0.0.1)二、黑窗口测试ip+端口如果仍然使用ping的命令方法,就出现错误提示了。这里就需要使用到另外一个指令:telnetipport(如:127.0.0.18888)能看到这里,并且此时直接使用此命令,大概率此命令是不通的,因为使用此命令需要提前开启Windows的Telnet客户端功能,开启方式如下:以上windows功能开启后再次尝试:如果目标ip和端口

pip报错:ERROR: Could not install packages due to an OSError: HTTPSConnectionPool(host=‘...‘, port=443)

问题:今天在使用pip下载python-docx的时候,报错下面的信息ERROR:CouldnotinstallpackagesduetoanOSError:HTTPSConnectionPool(host=‘files.pythonhosted.org’,port=443):Maxretriesexceededwithurl:/packages/8b/a0/52729ce4aa026f31b74cc877be1d11e4ddeaa361dc7aebec148171644b33/python-docx-0.8.11.tar.gz(CausedbyConnectTimeoutError(,‘Co

Nginx配置-SSL&The plain HTTP request was sent to HTTPS port解决

Nginx配置-SSL准备ssl证书配置示例配置强制http访问也走https准备ssl证书可以直接从阿里云控制台申请免费证书(每年20个,每个有一年有效期)也可以使用自签证书,Nginx解决通过openssl自签名证书访问Https报不安全告警的问题配置示例upstreamtomcatserver{server127.0.0.1:8801max_fails=3fail_timeout=3s;server127.0.0.1:8802max_fails=3fail_timeout=3s;}server{listen8888ssl;server_namelocalhost;ssl_certific