Development > Scripting and Bash

Cron job to automate backup????

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kjacobs:
Thanks for the replies......yes, I thought it might be a permissions things as well. I have a copy of backup.sh in a user folder with my user ownership and a copy in /usr/bin/ with root ownership. Neither one seem to run, yet I can double click either and it launches fine. All I seem to get in syslog for this line is this....



Dec 14 08:15:01 kenneth-OptiPlex-755 CRON[8245]: (root) CMD (/usr/bin/backup.sh)
Dec 14 08:15:01 kenneth-OptiPlex-755 CRON[8244]: (CRON) info (No MTA installed, discarding output)


I am not trying to mail anything, as the file should launch and I should see grsync start running when it hits the correct time. It looks like it is "trying" to run???? But nothing is happening.....maybe I am wrong here?

Wirezfree:
Not sure if it's similar..??
I had some permissions issue trying to run some tasks...
If you run gnome-scheduler from the System menu,
The tasks are only run as "normal user".

But if you open a terminal and do:

--- Code: ---gksu gnome-scheduler

--- End code ---

It now run's as root, so anything you now schedule this way run's with root privileges.
If you open Scheduler from the menu, you do not see the(se) root tasks.

firenice03:
I'm not a CRON expert but....
If not executing, maybe a permissions issue??
Any error's when running?? May have to pipe it out to a txt file to see errors..

kjacobs:
OK.....so I am trying to automate a weekly backup of my home folder. I did try the built in backup option in LL, but simply do not like the tons of zip files created during backup. I really only want mirror copies of the home folder on my NAS.

I installed grsync to setup the backup......and the backup works fine. I then created a backup.sh file to run the grsync backup session, made it executable, and tested it......it works fine as well.

Now I tried to add the script to a crontab job......this is where it all fails. I cannot get the file to run at all. I have tried MANY options.....I have added the path to the script to crontab.....tried adding the path in the script.......tried copying the script to the /bin folder.......tried standing on one foot while patting my head. I simply cannot get the file to launch using crontab. I have spent a number of hours looking up the correct formatting on google to get this right and it still fails to run.

I also tried installing gnome-scheduler to do this in a gui and it fails to run as well. Soooooo, what in the world am I missing to get this function to run automagically????

Any help would be great......thanks.

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