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Old 04-19-2005, 03:12 AM   #1
borgy_t
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Java: passing linux shell commands


i have a question... programtically, how do i pass linux commands from a java program that is running on windows to a linux box running samba? all i have to do is to clear files in my folder there.
 
Old 04-19-2005, 03:32 AM   #2
jonaskoelker
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well, afaik Samba, it's just a file/print server; that is, you get to transfer files and print jobs (but not much more).

If you insist on using samba, you could transfer a shell script and program the recieving end to run it. However, this poses a security question: how do you make sure that only you can run code (through your programs) and no one else can?

alternatively, log in remotely via ssh and run commands through that--I think java will happily give you a triplet of streams (std(in|out|err)).
 
Old 04-19-2005, 03:40 AM   #3
borgy_t
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my apologies, i haven't elaborated very well on my problem.

what i need to do is clean the /home folder of all users of the linux box who are offline, using my java program which is running on windows.

i was thinkin of using Runtime.exec to pass the commands but is this possible?
 
Old 04-19-2005, 03:50 AM   #4
jonaskoelker
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No; Runtime.exec will only run commands locally. What you can do is run an ssh client (google PuTTY) locally, which will then log in to your GNU/linux box and run commands from there--which of course requires you to have sshd running on it.

Anyhew, that's how I'd do it.

As for cleaning the /home/.../, I assume you know what you want to do and how to do it (if not, feel free to ask).

--Jonas
 
  


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