You might want to get a free account at www.yi.org or www.dyndns.org.  From your linux 
box you just update their DNS when your IP address changes.  Then use nslookup to find 
your IP address.

If you opened an account with userid xxxyyy then "nslookup xxxyyy.yi.org" will show 
you your IP address.

HTH,

Bill


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of praedor
Sent: Monday, December 04, 2000 8:36 PM
To: [EMAIL PROTECTED]
Subject: [expert] Setting up a mail cronjob


I am not terribly up on scripting and assume that for what I want to do, it 
will require a script.

I have a DSL connection with a dynamic ip from uswest.  Every couple of days 
my ip address changes.  I would like to keep myself, no matter where I am, 
abreast of the ip address of my system and one very simple way to do it is 
via mail.   

If I send myself mail from my linux box, then by looking at the header of the 
email from myself I can determine what my system's ip address is.  I am 
thinking of setting up a cron job to mail my uswest email account every other 
day.  When I am away from home and check my mail, I will be able to see what 
my home system's ip address is and always be able to connect to it via my 
cisco 675 DSL modem.  I presently have a port forward setup on my cisco to 
allow ssh connections to my linux box but since my ip is dynamic, I have to 
change the nat table to fit the new ip address every few days.  This email 
method will help me keep up on the ip address so I can always get in.

I would like to setup a script that simply sends mail to my 
[EMAIL PROTECTED] mail account.  Simply running "mail [EMAIL PROTECTED]" 
wont work since it subsequently wants a "Subject:", ctrl-D to end the 
message, and a "Cc:".  I assume I need a script to handle this.  I would like 
to simply send "ip address check" to the subject, nothing in the message 
body, and nothing in the cc field.  Can anyone help me out here?  

Thank you,
praedor



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