Michael described a number of valid projects, readily accomplished. One I would like to comment upon: On Sat, Nov 26, 2005 at 08:55:41AM -0500, Michael Velez wrote: > - I have a dynamic IP address but mutt and sendmail e-mail me the > address to my DSL-provider's e-mail account whenever it changes, enabling me > to actually do the ssh. You are probably aware that you can go to www.dyndns.org and get a dynamic IP domain name. You can then install a Linux-based dyndns client that detects the change in the local IP address and notifies dyndns.org to change the DNS records for you. This is probably the most common and reliable way people handle dynamic IP assignments. (Well, actually, if you have a firewall appliance such as a WatchGuard SoHO or Firebox Edge, dLink, or some other with firmware that knows natively about DynDNS, it's simplest...but that's not a Linux project!) Alternatively, especially if you're using your Linux box's interface card as the external I/F and your DSL modem is in bridge mode, you can act as your own DNS server, query your interface for its IP address, and update whenever it changes. This gets more challenging if you're not in bridge mode, as you have to figure out how to query the DSL modem for its external IP address. It also requires a secondary DNS server somewhere. It gets even more exciting if you're using an external firewall appliance that doesn't support DynDNS (or you decide not to use that feature because you want to do it yourself, dammit!), since you then need to figure out how to query the firewall appliance. Or use lynx or somesuch to strip the address from a quick session to www.whatismyip.com, as one guy did. Sorry for the long exposition--haven't had my coffee yet... -- Dave Ihnat ignatz@xxxxxxxxxx -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
