Re: Why want my iptables scripts run in cron

[Ales Stibal <astib@giganet.cz>]

david wrote:

 >I have a simple script called routup.sh to start the routing at a certain
 >time, it is excutable. It runs fine at the command line but not cron. 
here is
 >what my cron entry looks like:                0 9 * * * root   
/etc/routup.sh

What is the reason to run this script in cron? ;-)

 >#routup.sh
 >#!/bin/bash
 >
 >echo 1 > /proc/sys/net/ipv4/ip_forward
 >iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE

At first look: remove the first line. Let the #!/bin/bash
be at the first instead of #routup.sh.

BTW: why do you run bash? Run sh. It's not error
in fact, but the sh usage is something like idiom.
AFAIK sh is link to your default shell, probably bash.

 >I even went as far to add a path to the crontab file like this:
 >vi crontab   
 >/sbin/iptables.

This looks strange to me. Could you send  more info if
the stuff above wont help?

 >where am i going wrong.
 >The o.s. is linux mandrake 9.0
 >
 >thanks for any help,

Hope this helps,
      Astib();

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