bash 如何在脚本中使用跳转主机/跳转服务器
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How to use a jumphost/jump server in a script
提问by Classified
I need to write a script to be able to run cmds on our test servers in our secure, off-site lab. The problem is these test servers are behind a jump server/jump host. Manually, I either type:
我需要编写一个脚本，以便能够在我们安全的场外实验室中的测试服务器上运行 cmd。问题是这些测试服务器位于跳转服务器/跳转主机之后。手动，我要么输入：
bash$ ssh -A jumphost
jumphost$ ssh server1
or I edited my personal .ssh/config file to use the jump host
或者我编辑了我的个人 .ssh/config 文件以使用跳转主机
ForwardAgent yes
Host server1
ProxyCommand ssh -q jumphost nc <ip of server1> 22
to access them. How do I do this inside my script so that ssh doesn't stop/terminate at ssh -A jumphost?
访问它们。我如何在我的脚本中执行此操作，以便 ssh 不会在 ssh -A jumphost 处停止/终止？
I tried to run
我试着跑
ssh jumphost nc <ip of server1> 22 "ls /tmp"
or
或者
ssh jumphost nc <ip of server1> 22
or
或者
ssh -A jumphost nc <ip> 22
but it complains of a protocol mismatch. I don't control the jump host so I can't just leave scripts/programs at a common place for people to use. I also don't think IT will make a jump host for us to use exclusively.
但它抱怨协议不匹配。我不控制跳转主机，所以我不能把脚本/程序放在一个公共的地方供人们使用。我也不认为 IT 会成为我们专用的跳转主机。
Is there a way for me to run scripts thru a jump host? Thanks in advance for your help. If there isn't a way, I'll just tell IT they need to allow me to copy my scripts to the jump host b/c the experts on stackoverflow said it needed to be done =)
有没有办法让我通过跳转主机运行脚本？在此先感谢您的帮助。如果没有办法，我会告诉 IT 他们需要允许我将脚本复制到跳转主机 b/c，stackoverflow 上的专家说需要完成 =)
回答by twalberg
Something along the lines of:
类似的东西：
ssh -At jumpserver ssh -At server1
should work. The -tmakes sure that a pseudo-tty is allocated where needed (it may not be necessary on the second one, but I don't have a setup where I can test that at the moment, and it won't hurt). This also has the benefit that when you exit from server1, both sessions go away...
应该管用。将-t可确保在需要伪终端分配（它可能无法在第二个必要的，但我没有一个安装在那里我可以测试，在目前，它不会伤害）。这还有一个好处，当您退出时server1，两个会话都会消失......
