>From my firewall:
EXTERNAL_IF=ppp0
#
# These lines for dynamic IP
EXTERNAL_IP=`ifconfig $EXTERNAL_IF | grep inet | cut -d : -f 2 | cut -d \
-f 1`
EXTERNAL_MASK=`ifconfig $EXTERNAL_IF | grep Mask | cut -d : -f 4`
#
EXTERNAL_NET=$EXTERNAL_IP/$EXTERNAL_MASK
echo -n "External net -> "
echo $EXTERNAL_NET
> -----Original Message-----
> From: Eddie Strohmier [SMTP:[EMAIL PROTECTED]]
> Sent: Friday, December 22, 2000 1:20 PM
> To: [EMAIL PROTECTED]
> Subject: Re: use of 'cut' to pull dynamic IPADDR from ifconfig
>
> Charles:
>
> You apparently did not read the whole message. I was trying to help Bob
> Hartung from a previous post who is trying to get cut to pull a dynamic IP
> address from ifconfig. I am not a scripter just a 4 1/2 year Linux user. I
> thought he might be able to work with this one to employ cut. Give him a
> hand if you can. Here is his original post if you don't have it:
> _________________________
>
> Hi,
> Progress slow but sure. Got everything running withh
> diald - not sure why it works but it does. There was
> recently a message using grep, cut and ifconfig output to
> pluck a dynamically assigned IP address to use in
> firewalls. Does someone have the message. I can get it to
> xxx.xxx.xxx.xxx Bcast but can't figure out the last cut
> where the delimiter is a blank.
>
> Thanks
>
> Bob
>
> _____________________________
>
>
> Eddie Strohmier
>
>
>
> ----- Original Message -----
> From: "Charles Galpin" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Friday, December 22, 2000 8:24 AM
> Subject: Re: use of 'cut' to pull dynamic IPADDR from ifconfig
>
>
> > Wooah Eddie!!
> >
> > You can handle this in several ways better than this. Both pump amd
> dhcpcd
> > provide hooks to scripts that will run when the lease is renewed,
> changed
> > etc.
> >
> > Tell us which one you are using, nad I can provide more details.
> >
> > And, even emailing it to you isn't as convenient as say ftping a html
> page
> > to some place with your latest ip on it.
> >
> > Then a free dynamic Ip service is probably the ultimate, but I can't
> > suggest one - I was using dynodns, but it got ?bought? by deerfield, so
> > I'm assuming is not free anymore.
> >
> > Anything but getting an email every 10 minutes (even if it's handled by
> a
> > procmail script) - ugh.
> >
> > charles
> >
> > On Fri, 22 Dec 2000, Eddie Strohmier wrote:
> >
> > > Bob:
> > >
> > > A "Chris Dowling" was kind enough to share this for some other
> subscriber to
> > > this list. I have been looking for a script of this sort for a while
> as
> what
> > > I had been doing before was getting cron to e-mail me every hour so I
> know
> > > the IP address of network server on a dynamic dialup ISP. His script
> does
> > > not use cut but I bet cut could be utilized in some way here to
> achieve
> what
> > > you need. Here is the script:
> > >
> > > ifconfig ppp0 | grep 'inet addr' | awk -F: '{ print $2 } ' | awk '{
> print
> > > $1 } ' | mail -s 'ip address' [EMAIL PROTECTED]
> > >
> > > Eddie Strohmier
> >
> >
> >
> > _______________________________________________
> > Redhat-list mailing list
> > [EMAIL PROTECTED]
> > https://listman.redhat.com/mailman/listinfo/redhat-list
> >
>
>
>
> _______________________________________________
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