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SFTP fails from crontab but works from terminal

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# 1  
Old 08-16-2012
SFTP fails from crontab but works from terminal
Dear community,
I'm driving crazy with a strange issue.

I have a simple script to transfer a file to a remote system:
Code:
#!/bin/bash
echo "put /tmp/server.log" > /tmp/server1_transfer.sftp
sftp -b /tmp/server1_transfer.sftp user@10.99.1.2:

Between client and server there is a SSH KEY, so if I run the script from root terminal, the file is correctly transferred.

Now, I edit the root crontab to automatically execute this script, but the trasfer fails!! Smilie

Seems the SSH KEY doesn't work from root cron, because every time the script runs, the system send me the following mail:
Code:
Received: (from root@localhost)
        by xyz (8.13.8/8.13.8/Submit) id q7GGv1qv022647;
        Thu, 16 Aug 2012 18:57:01 +0200
Date: Thu, 16 Aug 2012 18:57:01 +0200
Message-Id: <201208161657.q7GGv1qv022647@xyz>
From: root@xyz (Cron Daemon)
To: root@xyz
Subject: Cron <root@xyz1> /tmp/test.sh
Content-Type: text/plain; charset=ANSI_X3.4-1968
Auto-Submitted: auto-generated
X-Cron-Env: <SHELL=/bin/sh>
X-Cron-Env: <HOME=/root>
X-Cron-Env: <PATH=/usr/bin:/bin>
X-Cron-Env: <LOGNAME=root>
X-Cron-Env: <USER=root>

Permission denied, please try again.
Permission denied, please try again.
Permission denied (publickey).

Please, could someone explain me why from terminal works and from crontab doesn't work? Smilie

Many thanks
Lucas
# 2  
Old 08-16-2012
Make sure it's using the correct key. Point it to it with -i if necessary.
# 3  
Old 08-16-2012
The copy command fails because cron is not a regular shell. I'm on my phone but the SCP/SSH man pages explain how to provide a config directory/key file option to the command
# 4  
Old 08-16-2012
Thanks both for tips, but I believe I cannot provide to SFTP the SSHKEY path. This is what I seen on the SFTP manual.

Code:
     sftp [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config] [-o ssh_option] [-P sftp_server_path]
          [-R num_requests] [-S program] [-s subsystem | sftp_server] host
     sftp [[user@]host[:file [file]]]
     sftp [[user@]host[:dir[/]]]
     sftp -b batchfile [user@]host

# 5  
Old 08-16-2012
What's your system?
# 6  
Old 08-16-2012
Quote:
Originally Posted by Corona688
What's your system?
# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 5.7 (Tikanga)
# 7  
Old 08-16-2012
You have openssh then, which supports -i. See man sftp.
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