解决Jenkins配置linux slave出现[SSH] Connection closed.问题

问题：jenkins master 添加Slave SSH 登录时提示No Known Hosts file was found at /var/lib/jenkins/.ssh/known_hosts. 解决方法：    vim  /etc/passwd    找到jenkins 登录用户，这里是jenkins，将其登录选项设置为bash     jenkins:x:995:992:Jenkin

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