My /etc/ltsp/dhcpd.conf looks almost exactly like yours. I think either your nics haven't taken their newer configuration or your dhcp server hasn't gotten it's newer configuration. -peter
On Tue, Sep 6, 2011 at 8:01 AM, Peter k <[email protected]> wrote: > Joseph, I can't spot the problem either. And the dhcp3-server package in > 11.10 is new to me (dhcp3-server - ISC DHCP server (transitional package)). > But since your error references not being able to process your > /etc/ltsp/dhcpd.conf file correctly, consider > 1) backing it up and regenerating it > 2) checking it's read permissions (ls -l ) > 3) ensure that it's the correct config file (correct name/correct location) > > I'll try to remember to check your dhcpd.conf file against mine when I get > to work today. > > I think it's unrelated to your dhcp server issue, but make sure you work > out your upstream device (eth0) which might require purging network-manager. > And dont' forget to run *sudo ltsp-update-sshkeys* since you changed your > nics. > > but maybe you knew all that... > > -peter > > > On Sat, Sep 3, 2011 at 11:45 AM, David Groos <[email protected]> wrote: > >> Hey Joseph, >> >> Some things that come to mind... >> >> 1. Are you using "Network Manager"? it seems that that has a different >> way of setting up ip addresses. For example, I was just trying to set up >> a >> vpn client on my home ubuntu so I could access our district servers. I >> thought I had everything correct but couldn't make it work with editing >> the >> appropriate config files. So then I tried using >> System-->Preference-->Network Connections and got it set up and it worked >> BUT it also ignored my /etc/network/interfaces config file! So then I had >> to put further info into this application to get my internet and static ip >> back. Lesson here, read up all you can about the issues with Network >> Manager. I know that I ended up removing it while setting up the school >> ltsp server 15 months ago. So, I'm saying that some other config file >> besides /etc/network/interfaces MIGHT be affecting your setup. Sorry I >> don't know more about this. >> 2. A common mistake for me is choosing the netmask--I've never really >> learned the diff between type A and type B/C etc networks, I don't >> remember >> when I should set this to 255.255.255.0 or 255.255.0.0. so when nothing >> else >> works I try one then the other. I seem to remember that a 10.x.x.x would >> have the latter? You probably know all this but I thought I would share >> it >> just in case. >> 3. When you type the command, "ifconfig" into the terminal, what do >> you get? This give some critical info as to what's happening on each of >> your ports. It would be useful (perhaps for myself or someone who knows >> more than I) for you to post the results of ifconfig here. >> >> Good Luck! When it finally works it's sweet! >> David >> >> >> On Fri, Sep 2, 2011 at 11:58 PM, Joseph Bishay >> <[email protected]>wrote: >> >>> Hello, >>> >>> Thanks for your feedback -- I tried mimicking your setting but I still >>> receive the same error. I also did make a point to restart every time >>> I made changes to the configuration files but it also made no >>> difference. >>> >>> Joseph >>> >>> On Fri, Sep 2, 2011 at 10:32 AM, David Groos <[email protected]> wrote: >>> > Hi Joseph, >>> > I was looking at your /etc/network/interface file and noticed that all >>> you >>> > have for eth0 is the: "auto eth0" and it doesn't tell how it should >>> connect >>> > such as via dhcp: >>> > auto eth0 >>> > iface eth0 inet dhcp >>> > >>> > or take on a static ip as I do on my server such as: >>> > auto eth0 >>> > iface eth0 inet static >>> > address 10.51.0.199 >>> > netmask 255.255.0.0 >>> > gateway 10.51.0.1 >>> > >>> > For the connection to the switch/thin/fat clients I use these lines: >>> > auto eth1 >>> > iface eth1 inet static >>> > address 192.168.0.1 >>> > netmask 255.255.255.0 >>> > up iptables-restore < /etc/ltsp/nat >>> > >>> > You didn't mention that you rebooted the server after adjusting the >>> > 70-persistent-net.rules? >>> > >>> > Good luck! >>> > David >>> > >>> > On Thu, Sep 1, 2011 at 11:07 PM, Joseph Bishay < >>> [email protected]> >>> > wrote: >>> >> >>> >> Hello, >>> >> >>> >> I hope everyone is doing well. >>> >> >>> >> I have a cleanly installed Edubuntu 11.04 server in the classic 2-NIC >>> >> format. I realized after installation, but before I tried to connect >>> >> any thin clients, that it was better to reverse the NICs so the Intel >>> >> one was running the thin clients. I was able to successfully do so >>> >> via modification of /etc/udev/rules.d/70-persistent-net.rules and >>> >> reversing the two lines. >>> >> >>> >> Now I wanted to try to book a thin client. Took a switch and plugged >>> >> the LTSP NIC from the server and a thin client into the switch. And >>> >> the thin client fails to PXE boot -- can't find the DHCPD server. >>> >> >>> >> Ideally I'd like eth0 to be the Internet NIC and eth1 to be the LTSP >>> >> NIC on the 10.x.x.x. subnet. >>> >> >>> >> So I hunted around and find that the dhcpd3 service is not running. >>> >> Every time I try to run it on the server I get: >>> >> >>> >> sudo service isc-dhcp-server start: >>> >> * Starting ISC DHCP server dhcpd >>> >> * check syslog for diagnostics. [fail] >>> >> >>> >> Checking syslog I get: >>> >> >>> >> eduLTSP dhcpd: Wrote 0 leases to leases file. >>> >> eduLTSP dhcpd: >>> >> eduLTSP dhcpd: No subnet declaration for eth1 (no IPv4 addresses). >>> >> eduLTSP dhcpd: ** Ignoring requests on eth1. If this is not what >>> >> eduLTSP dhcpd: you want, please write a subnet declaration >>> >> eduLTSP dhcpd: in your dhcpd.conf file for the network segment >>> >> eduLTSP dhcpd: to which interface eth1 is attached. ** >>> >> eduLTSP dhcpd: >>> >> eduLTSP dhcpd: >>> >> eduLTSP dhcpd: Not configured to listen on any interfaces! >>> >> >>> >> I've tried to search online and tried a bunch of steps but been unable >>> >> to resolve this! Here are the relevant configuration files: >>> >> --- >>> >> jbishay@i7-eduLTSP:~$ cat /etc/networks >>> >> # symbolic names for networks, see networks(5) for more information >>> >> link-local 169.254.0.0 >>> >> --- >>> >> jbishay@i7-eduLTSP:/etc/network$ cat interfaces >>> >> auto lo >>> >> iface lo inet loopback >>> >> >>> >> auto eth0 >>> >> >>> >> #auto eth1 >>> >> >>> >> iface eth1 inet static >>> >> # address 192.168.0.254 >>> >> address 10.0.0.254 >>> >> netmask 255.255.255.0 >>> >> broadcast 10.0.0.255 >>> >> --- >>> >> jbishay@i7-eduLTSP:/etc/ltsp$ cat dhcpd.conf >>> >> # >>> >> # Default LTSP dhcpd.conf config file. >>> >> >>> >> authoritative; >>> >> >>> >> subnet 10.0.0.0 netmask 255.255.255.0 { >>> >> range 10.0.0.1 10.0.0.250; >>> >> option domain-name "edultsp.stgr.org"; >>> >> option domain-name-servers 192.168.1.1; >>> >> option broadcast-address 10.0.0.255; >>> >> option routers 192.168.1.1; >>> >> # next-server 192.168.0.1; >>> >> # get-lease-hostnames true; >>> >> option subnet-mask 255.255.255.0; >>> >> option root-path "/opt/ltsp/i386"; >>> >> if substring( option vendor-class-identifier, 0, 9 ) = "PXEClient" >>> { >>> >> filename "/ltsp/i386/pxelinux.0"; >>> >> } else { >>> >> filename "/ltsp/i386/nbi.img"; >>> >> } >>> >> } >>> >> --- >>> >> jbishay@i7-eduLTSP:/etc/default$ cat isc-dhcp-server >>> >> # Defaults for dhcp initscript >>> >> # sourced by /etc/init.d/dhcp >>> >> # installed at /etc/default/isc-dhcp-server by the maintainer scripts >>> >> # >>> >> # This is a POSIX shell fragment >>> >> # >>> >> # On what interfaces should the DHCP server (dhcpd) serve DHCP >>> requests? >>> >> # Separate multiple interfaces with spaces, e.g. "eth0 eth1". >>> >> INTERFACES="eth1" >>> >> --- >>> >> >>> >> I believe that is all the relevant files-- if I missed something >>> >> please just tell me and I'll post it here! >>> >> >>> >> So I'm at a loss -- what do you recommend? >>> >> >>> >> Thanks! >>> >> Joseph >>> >> >>> >> -- >>> >> edubuntu-users mailing list >>> >> [email protected] >>> >> Modify settings or unsubscribe at: >>> >> https://lists.ubuntu.com/mailman/listinfo/edubuntu-users >>> > >>> > >>> >> >> >> -- >> edubuntu-users mailing list >> [email protected] >> Modify settings or unsubscribe at: >> https://lists.ubuntu.com/mailman/listinfo/edubuntu-users >> >> >
-- edubuntu-users mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/edubuntu-users
