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Old 05-07-2011, 01:14 PM
Default cannot resolve hostname


In what seems to be a string of related issues having to do with
networking, I now find that not only has my IP address been changed from to but also that my machine's name (valhalla)
cannot be resolved.

This is the output of ifconfig:
$ sudo ifconfig
sudo: unable to resolve host valhalla
eth0 Link encap:Ethernet HWaddr 00:90:47:05:a3:07
inet addr: Bcast: Mask:
inet6 addr: fe80::290:47ff:fe05:a307/64 Scope:Link
RX packets:47117 errors:0 dropped:0 overruns:0 frame:0
TX packets:46335 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:38194090 (36.4 MiB) TX bytes:6237238 (5.9 MiB)
Interrupt:18 Base address:0xec00

lo Link encap:Local Loopback
inet addr: Mask:
inet6 addr: ::1/128 Scope:Host
RX packets:7309 errors:0 dropped:0 overruns:0 frame:0
TX packets:7309 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2964856 (2.8 MiB) TX bytes:2964856 (2.8 MiB)

Any help would be appreciated in sorting this out, specifically:

(1) How do I fix my IP address so that it remains as I originally
configured it (i.e. which will make it easier and more
predictable for the print client to find the server machine?

(2) How do I do so in such a way that I can access the Net once I reboot
- which I was unable to do and hence - on good advice - changed the
/etc/network/interfaces so that the stanza changed from iface eth0 inet
*static* to *dhcp* . This was the only thing that enabled this machine
to access the Net after a reboot and I am loathe to change this back to
something that didn't work.

(3) Helping me to understand how/ why all of these changes have taken
place? What happened? I had a perfectly running system - everything
worked, and then yesterday I rebooted and I find this dog's breakfast of
an arrangement.

Thanks in anticipation, list.


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