Linux 如何将参数传递给 SSH 命令？
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How to pass parameters to a SSH command?
提问by Zhen
I configure a ssh command key like (in a remote mashine M1):
我配置了一个 ssh 命令键，如（在远程 mashine M1 中）：
command="/usr/bin/nslookup",no-port-forwarding,no-X11-forwarding,no-agent-forwarding ssh-dss DEADBEEFDEADBEEF= [email protected]
To allow to run nslookup in M1 from a client machine C1. It works and i can run:
允许从客户端机器 C1 在 M1 中运行 nslookup。它有效，我可以运行：
C1> ssh -i mylookup_key M1
And i get the nslookup execution on M1, but i need to pass parameters to get real work. How can i pass parameters to ssh command key?
我在 M1 上获得了 nslookup 执行，但我需要传递参数才能获得真正的工作。如何将参数传递给 ssh 命令密钥？
p.d: I'm using nslookup as an example of the real program that I want to exec.
pd：我使用 nslookup 作为我想要执行的真实程序的示例。
采纳答案by dogbane
Take a look at the $SSH_ORIGINAL_COMMANDvariable which should contain the command passed to ssh. For example:
查看$SSH_ORIGINAL_COMMAND应该包含传递给 的命令的变量ssh。例如：
command="/usr/bin/nslookup $SSH_ORIGINAL_COMMAND",no-port-forwarding,no-X11-forwarding,no-agent-forwarding ssh-dss DEADBEEFDEADBEEF= [email protected]
Then try:
然后尝试：
$ ssh -i mylookup_key M1 stackoverflow.com
回答by Mihai Maruseac
Have you tried enclosing the command in 'or "? Soemthing like
您是否尝试将命令包含在'或 中"？有点像
ssh host "ls -l -a .."
which gives me
这给了我
total 12
drwxr-xr-x 3 root root 4096 2011-06-16 12:33 .
drwxr-xr-x 22 root root 4096 2011-06-16 13:40 ..
drwxr-xr-x 49 mihai mihai 4096 2011-07-14 10:33 mihai
meaning that it works
这意味着它有效
回答by Sodved
If I understand correctly you just want to run a command on the remote machine. The simple case is to just pass the command as the last parameter to ssh
如果我理解正确，您只想在远程机器上运行命令。简单的情况是将命令作为最后一个参数传递给 ssh
ssh -i mylookup_key M1 nslookup stackoverflow.com
But you may need to be careful about quoting and special characters. e.g.
但是您可能需要小心引用和特殊字符。例如
ssh -i mylookup_key M1 ./args.sh "1 2 3"
PROG:./args.sh
ARG[1]: 1
ARG[2]: 2
ARG[3]: 3
ssh -i mylookup_key M1 ./args.sh '"1 2 3"'
PROG:./args.sh
ARG[1]: 1 2 3
