/root/.ssh/known_hosts [SSH] No Known Hosts file was found at /root/.ssh/known_hosts. Please ensure

最新推荐文章于 2025-05-20 20:06:23 发布

原创最新推荐文章于 2025-05-20 20:06:23 发布 · 1.9k 阅读

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#ssh #jenkins #运维

这篇博客讲述了在配置Jenkins节点时遇到SSH连接失败的问题，错误信息显示Key交换未完成。解决方法包括在slave节点上生成SSH密钥对，并确保Jenkins有权限读取known_hosts文件。通过这些步骤可以解决Jenkins与远程节点的SSH连接问题。

Jenkins配置节点报错

在这里插入图片描述

SSHLauncher{host='192.168.111.129', port=22, credentialsId='aa9fc1b1-ccc2-470f-a612-f20e32b55dea', jvmOptions='', javaPath='', prefixStartSlaveCmd='', suffixStartSlaveCmd='', launchTimeoutSeconds=60, maxNumRetries=10, retryWaitTime=15, sshHostKeyVerificationStrategy=hudson.plugins.sshslaves.verifiers.KnownHostsFileKeyVerificationStrategy, tcpNoDelay=true, trackCredentials=true}
[01/05/22 17:08:28] [SSH] Opening SSH connection to 192.168.111.129:22.
/root/.ssh/known_hosts [SSH] No Known Hosts file was found at /root/.ssh/known_hosts. Please ensure one is created at this path and that Jenkins can read it.
Key exchange was not finished, connection is closed.
SSH Connection failed with IOException: "Key exchange was not finished, connection is closed.", retrying in 15 seconds. There are 10 more retries left.
/root/.ssh/known_hosts [SSH] No Known Hosts file was found at /root/.ssh/known_hosts. Please ensure one is created at this path and that Jenkins can read it.
Key exchange was not finished, connection is closed.
SSH Connection failed with IOException: "Key exchange was not finished, connection is closed.", retrying in 15 seconds. There are 9 more retries left.

解决办法：
注意：要用登录slave节点的用户操作

cd ~ # 回到家目录
ssh-keygen # 三次回车
ssh 192.168.111.129 # Slave节点机的ip地址
cd .ssh/
chmod 700 known_hosts