准备 Java 运行环境
检查是否安装了 Java
# 执行如下命令
$ java -version
openjdk version "1.8.0_65"
OpenJDK Runtime Environment (build 1.8.0_65-b17)
OpenJDK 64-Bit Server VM (build 25.65-b01, mixed mode)
如果没有安装，查看这篇文章教你如何安装
新建 Node
Jenkins 首页->Manage Node->New Node
Linux agent 设置，例如：
| Items |
Settings |
| Name |
Linux-build-machine |
| Description |
used for Linux build |
| of executors |
1 |
| Remote root directory |
/home/agent |
| Labels |
Linux, build |
| Usage |
Use this node as much as possible |
| Launch method |
Launch agent agents via SSH |
| Host |
192.168.1.112 |
| Credentials |
username/password |
| Host Key Verification Strategy |
Manually trusted key Verification Strategy |
| Availability |
Keep this agent online as much as possible |
设置 credentials
| credentials |
configuration |
| Domain |
Global credentials (unrestricted) |
| Kind |
Username with password |
| Scope |
Global(Jenkins, nodes, items, all child items, etc) |
| Username |
root |
| Password |
mypassword |
| Description |
Linux agent username & password |
保存然后连接
Remoting version: 3.29
This is a Unix agent
Evacuated stdout
Agent successfully connected and online
SSHLauncher{host='192.168.1.112', port=22, credentialsId='d1cbab74-823d-41aa-abb7-8584859503d0', jvmOptions='', javaPath='/usr/bin/java',
prefixStartSlaveCmd='', suffixStartSlaveCmd='', launchTimeoutSeconds=210, maxNumRetries=10, retryWaitTime=15,
sshHostKeyVerificationStrategy=hudson.plugins.sshslaves.verifiers.ManuallyTrustedKeyVerificationStrategy, tcpNoDelay=true, trackCredentials=true}
[05/11/19 01:33:37] [SSH] Opening SSH connection to 192.168.1.112:22.
[05/11/19 01:33:37] [SSH] SSH host key matches key seen previously for this host. Connection will be allowed.
[05/11/19 01:33:37] [SSH] Authentication successful.
[05/11/19 01:33:37] [SSH] The remote user's environment is:
解决问题
| 问题 |
如何解决 |
| [04/22/19 23:15:07] [SSH] WARNING: No entry currently exists in the Known Hosts file for this host. Connections will be denied until this new host and its associated key is added to the Known Hosts file. |
ssh-keyscan HOSTNAME >> known_hosts |
| /var/lib/jenkins/.ssh/known_hosts [SSH] No Known Hosts file was found at /var/lib/jenkins/.ssh/known_hosts. |
changing the Host key verification strategy in LAUNCH METHOD from "Known Hosts file verification strategy" to "Manually trusted key verification strategy" |
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