[SOLVED] - RSYNC not executing via CRON



The below error was faced and tried for online answers, made my head to heat for couple of days and finally i was able to crack the solution for the below issue.

umasarath@ubuntu:~$ tail -50 cron_alc.log
Cronjob started for back-up files
+ rsync -v umasarath@xx.xx.xx.xx:/tmp/compressed_logfiles/*.zip /home/umasarath/archive/
Permission denied, please try again.
Permission denied, please try again.
Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).
rsync: connection unexpectedly closed (0 bytes received so far) [Receiver]
rsync error: unexplained error (code 255) at io.c(601) [Receiver=3.0.7]
umasarath@ubuntu:~$

Please follow the below steps inorder to avoid the above error.

My script contains the below code.

umasarath@ubuntu:~$ cat transfer_files.sh
#!/bin/sh
set -xv
echo "Cronjob started for back-up files" `date`
/usr/bin/rsync -vv umasarath@xx.xx.xx.xx:/tmp/compressed_logfiles/*.zip /home/umasarath/archive/
echo "Cronjob ended for back-up files from PROD to CI" `date`
The above script contains 2 echo commands and one rsync command. Just wanted to have timestamps before and after rsync command. 

  • Please use the steps to configure SSH keys in source and destination server.
  • Give the full path of the rsync(/usr/bin/rsync) command in the script.
  • Don't give the SOURCE directory with ssh command. Most of the blogs recommended to use the below syntax which didn't work for me.
    /usr/bin/rsync -vv "ssh -i umasarath@xx.xx.xx.xx:/tmp/compressed_logfiles/*.zip" /home/umasarath/archive

Placing my file in cron.
umasarath@ubuntu:~$ crontab -e
# m h  dom mon dow   command
00 00 * * * cd /home/umasarath/autotransfer;/bin/sh transfer_files.sh >>/home/umasarath/autotransfer/log/cron.log 2>&1umasarath@ubuntu:~$
The above entry in cronjob was to run the transfer_files.sh on every Wednesday at 12AM.

 When my script was executed via cron, there is no error message displayed in cron_alc.log and the script ran successfully without any issues.


Please try and explore yourselves. Kindly provide your feedback on this article.



Comments

  1. AnonymousNovember 12, 2014 at 4:03 AM

    are you here under a quota system ?

    ReplyDelete
  2. AnonymousDecember 11, 2014 at 8:10 PM

    Worked like a charm!. Thank you!

    ReplyDelete
  3. AnonymousJanuary 17, 2015 at 8:47 AM

    I still got this:
    Permission denied (publickey).
    rsync: connection unexpectedly closed (0 bytes received so far) [sender]
    rsync error: unexplained error (code 255) at io.c(226) [sender=3.1.0]

    I can log in using public keys from the command line so I do have access. But I'm using root as the ssh password while I'm not logged as root, can that be the problem?

    ReplyDelete
    Replies
    1. AnonymousApril 21, 2015 at 4:41 AM

      Hey. I'm getting the same error. Did you get a fix?
      Permission denied (publickey).
      rsync: connection unexpectedly closed (0 bytes received so far) [sender]
      rsync error: unexplained error (code 255) at /SourceCache/rsync/rsync-42/rsync/io.c(452) [sender=2.6.9]

      Delete
  4. Lovelace LadyJuly 6, 2017 at 9:23 PM

    thank you!! follow your instructions and work fantastic!

    ReplyDelete

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