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Trick: ssh-xfer: Quickly grabbing files over an existing SSH connection |
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Monday, 11 August 2008 |
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The Secure Shell (SSH) and Secure Copy (SCP) make remotely performing system administration and copying files across secure links a painless operation. SSH and SCP use the same SSH protocol to protect network communications, but they rely on users knowing if they want a shell or to copy a file beforehand. You cannot easily use an existing SSH shell connection to a remote machine and just grab one or two files; if you want the files, you'll have to make another SSH connection for the file copy using SCP -- unless you have ssh-xfer.
The ssh-xfer project uses the local SSH agent to allow you to easily grab files using an existing SSH shell connection. You do not have to modify either the SSH client or server programs to use ssh-xfer -- but you will need to patch your ssh-agent. Although having to patch the ssh-agent is not ideal, you do gain one major advantage by doing this: you can send a file through more than one SSH connection. Read more at Linux.com
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