How to change Ubuntu 8.10 Linux Terminal Server network address?
I have a fresh ubuntu-8.10-alternate-i386 Linux Terminal Server (LTS)
installation and would like to change the IP address of the network
between the terminal server and thin clients from 192.168.0.0 to
192.168.1.0. (My LAN is already 192.168.0.0; the terminal server
upstream interface, eth0, is connected to this network.)
Going from memory: before I started fiddling with things, eth0 and eth1
both came up as 192.168.0.254, the server kinda sorta saw my LAN (could
ping hosts and gateway, but DNS, etc., wasn't working), and I could log
in from a client.
Then I changed the server's eth0 and eth1 addresses and DHCP daemon
20081102-193224 dpchrist@p43400e ~
$ cat /etc/network/interfaces | egrep -v '#' | egrep .+
iface lo inet loopback
iface eth0 inet dhcp
iface eth1 inet static
20081102-193339 dpchrist@p43400e ~
$ ping -c 3 www.holgerdanske.com
PING holgerdanske.com (220.127.116.11) 56(84) bytes of data.
64 bytes from holgerdanske.com (18.104.22.168): icmp_seq=1 ttl=57
64 bytes from holgerdanske.com (22.214.171.124): icmp_seq=2 ttl=57
64 bytes from holgerdanske.com (126.96.36.199): icmp_seq=3 ttl=57
--- holgerdanske.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2008ms
rtt min/avg/max/mdev = 16.175/16.453/16.785/0.251 ms
But from the client, Ubuntu boots via PXE, an "xdm: unable to create
authorities file" (?) message flashes by, I reach the Ubuntu login
screen (displaying a suitable IP address, such as 192.168.1.229), enter
my username, enter my password, it says "Verifying password. Please
wait.", it times out, it says "No response from server, restarting...",
then the screen goes black with only a mouse pointer. Testing with
another client yields the same results.
I suspect that there is some other setting I need to make, but I'm an
LTS rookie and don't know where to look.
Ctrl+Alt+Backspace on the client when at the "Username" prompt causes
the screen to go black momentarily and then display the same screen (X
stops and restarts?).
p.s. One trouble-shooting idea would be to enable the root password on
the client, so I could Ctrl+Alt+Fn into the client and poke around. I
seem to recall reading somewhere about chroot'ing into the client image
on the server, running passwd, rebuilding the client ramdisk image,
etc., but I can't seem to find that page just now.
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