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Is it possible to copy files to my Linux machine from another Linux machine automatically with FTP? By "automatically," I mean that FTP would need to handle submitting a login/password combination, as well as copy files, on its own.

Both machines run Red Hat 5.1. I want to get, for example, the file /root/file from the second Linux machine onto my machine and put it under /var/tmp without entering any login/password manually.

I don’t have expect on my machine, and I don't want to use SSH authentication.

If this can't be done automatically by FTP, please suggest an alternate solution, such as a Python script.

Pops
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diana
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2 Answers2

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You can use the lftp client program and use an FTP script.

lftp supports the ~/.netrc configuration file, in which you can store your credentials:

machine <hostname> login <user> password <password>

You can store a sequence of FTP commands in a file and have lftp execute them, like:

open <hostname>
cd /var/tmp
put /root/file optional_new_filename

The path in cd is on the remote host, the first argument to put is the local file.

Then, just run

lftp -f <filename>
Daniel Beck
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You can always store the credentials in a file and pass them as an argument to the script which is calling the FTP command, however I would recommend using SFTP (FTP over SSH) instead with key-based authentication as per my reply to another post. Key-based authentication is more secure and your data & login channels will be encrypted.

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Garrett
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  • please give me example – diana Nov 14 '11 at 05:00
  • An example would largely depend on how you're trying to do the transfer and what you are doing. Your post didn't provide enough of those details for me to give a detailed example in return. – Garrett Nov 14 '11 at 05:01
  • all I want is to get the /root/file from linux2 machine and copy this file to my linux1 under /var/tmp without login=root/password=pass123 – diana Nov 14 '11 at 05:04
  • Setup SSH key auth and use `rsync -e ssh` in a simple Bash script to copy the file. E.g. `rsync -avH -e ssh root@linux2:/root/file /var/tmp/` – Garrett Nov 14 '11 at 05:09
  • your example not good because need the password entering, the target is to login & password auto – diana Nov 14 '11 at 05:47
  • Please re-read my initial post. – Garrett Nov 14 '11 at 05:48