DSM-G600, DNS-3xx and NSA-220 Hack Forum

Costal.

Did you try a reboot? A reboot should have solved it....

This is a task for fun_plug. Everything in the DNS gets restored after a reboot. Anything you want to be persistent has to be fixed by the fun_plug script.

frodo wrote:

This is a task for fun_plug. Everything in the DNS gets restored after a reboot. Anything you want to be persistent has to be fixed by the fun_plug script.

Cool, so just to confirm, all changes made by a fun_plug are made to the file system image in ram, not the rom-image -- which is always loaded every reboot?

Last edited by someguy (2007-02-25 05:04:30)

Howdy,

So I would like rsync to copy all files from Volume 1 to Volume 2 at 1pm every night.  I use the command manually:

rysnc -rlptDv --delete /mnt/HD_a2 /mnt/HD_b2

which is working fine, but how do I get the cronjob working?  Do I just copy the code above, edit it with my rsync command, and then save it as a txt file in the root of HD_a2.... but then what?  How do I run that automatically?  Does it need to be in the funplug start folder?

Cheers,
Chumby

Chumby,

The above example is just a code snippet, not an actual script file.
To create a script file you can use an unix editor like vi http://en.wikipedia.org/wiki/Vi
and create a file (you can name it anything, but should end in .sh) in the
/mnt/HD_a2/fun_plug.d/start directory.  In this example I'll use 'editcron.sh'
Create the 'editcron.sh' file

  #vi /mnt/HD_a2/fun_plug.d/start/editcron.sh

and add the following commands to the file

#!/bin/sh

CRONTXT=/mnt/HD_a2/crontab.txt

# start with existing crontab
/bin/crontab -l > $CRONTXT

# add the Rsync job to execute at 2:05 am
/bin/echo "5 2 * * * /mnt/HD_a2/fun_plug.d/bin/rsync -rlptDv --delete /mnt/HD_a2 /mnt/HD_b2" >> $CRONTXT

# install the new crontab
/bin/crontab $CRONTXT

# clean up
/bin/rm $CRONTXT

The line !#/bin/sh must be the first line in the script file 'editcron.sh'.
To have the fun_plug script execute the 'editcron.sh' file, the 'editcron.sh'
file must be executable and located in the /mnt/HD_a2/fun_plug.d/start directory

  #chmod a+x /mnt/HD_a2/fun_plug.d/start/editcron.sh

After the 'editcron.sh' script is run (either manually or on boot-up)
you should see your rsync line in the output of the command

  #crontab -l

If you want your rsync job to execute a another time you can look at 
http://en.wikipedia.org/wiki/Cron to modify the crontab entry.

Last edited by mig (2008-01-12 09:13:43)

Chumby wrote:

To follow from this... is there a way I can check that my timezone on my DNS 323 is set correctly?  I am in Australia.  Do I edit the timezone.sh file or something?

Afaik, the DNS does not have working DST support which is why I added the timezone.sh script. You have to edit the file and set the timezone description for your area. When run, it'll set the timezone and query a timeserver (which you should also change according to your region).

But: The firmware runs two cronjobs (rtc -s and daylight) that will probably interfere. And there's the large clock drift.

To get accurate time, I removed all the cronjobs, measured the clock drift, adjusted the 'tick' value with adjtimex, and run ntpd. It's quite a lot of effort, but it seems to pay off. Winter time starts on 1st of november here, I hope, it'll work...

Instead of running ntp, running timezone.sh hourly via cron could keep your clock offset within a couple seconds. Measuring the drift and using adjtimex helps even more (mine drifts less than 5 secs a day with adjtimex -t 9665).

Chumby wrote:

I tried to find the timezone for Australia, but couldn't locate that either

http://dns323.kood.org/forum/p3617-2007 … html#p3617

Was it Australia changing DST recently? Don't know if the above link is correct, then.

Chumby wrote:

Just one other thing - I have the rysnc working in the crontab well now (great!), but how can I see what changes have been made during the copy.  Is there a logfile created?

Cron normally sends job output via mail, but that's probably not working. You can redirect output to a file, though. Change your crontab entry to sth like:

5 2 * * * /mnt/HD_a2/fun_plug.d/bin/rsync -rlptDv --delete /mnt/HD_a2 /mnt/HD_b2 >/mnt/HD_a2/fun_plug.d/log/rsync.last.log 2>&1

I added the ">/mnt/....... 2>&1" part which will redirect normal and error output of rsync to the rsync.last.log file. Of course, you could also redirect normal and error output to different files, if you like: >/.../out.log 2>/..../err.log