Hi!

-----Truth <tru...@gmx.de> skrev: -----
Till: ltsp-discuss@lists.sourceforge.net
Från: Truth <tru...@gmx.de>
Datum: 2016-01-12 09:53
Ärende: Re: [Ltsp-discuss] ltsp uefi client ?

On 11.01.2016 21:10, richard kweskin wrote:
> On 2016-01-10 21:22, Truth wrote:
>> On 09.01.2016 17:04, Truth wrote:
>>> Hi,
>>> I have installed a ltsp-pnp server on Debian jessie and was able to
>>> connect from to different clients.
>>> So far everything is great - and many thanks to the ltsp development 
>>> team.
>>> However, my problem is that I still can not connect from an UEFI 
>>> client
>>> to the ltsp-server.
>>>
>>> In order to solve the problem ...
>>> (compare
>>>
>>> https://forums.fogproject.org/topic/5750/dnsmasq-proxy-booting-with-uefi/22)
>>>
>>> ... I downloded ipxe
>>> apt-get install ipxe
>>>
>>> ... put two additional lines into 
>>> /etc/dnsmasq.d/ltsp-server-dnsmasq.conf
>>> dhcp-vendorclass=uefi,PXEClient
>>> dhcp-boot=net:uefi,/ltsp/i386/ipxe.0
>>>
>>> ... and put some symlinks into /var/lib/tftpboot/ltsp/i386/
>>> ipxe.0 -> /boot/ipxe.efi
>>> ipxe.iso -> /usr/lib/ipxe/ipxe.iso
>>> ipxe.lkrn -> /boot/ipxe.lkrn
>>> ipxe.pxe -> /usr/lib/ipxe/ipxe.pxe
>>> undionly.kkpxe -> /usr/lib/ipxe/undionly.kkpxe
>>> undionly.kpxe -> /usr/lib/ipxe/undionly.kpxe
>>>
>>> Is there something else to do?
>>> The logfile (see below) does not realy tell me what to do ...
>>>
>>> Many thanks in advance.
>>> Truth
>>>
>>>
>>>
>>> After restarting dnsmasq and trying to connect from the UEFI client 
>>> I
>>> get the following messages (dmesg):
>>> Jan  9 16:39:01 ltsp-server dnsmasq[566]: beende nach Empfang von 
>>> SIGTERM
>>> Jan  9 16:39:01 ltsp-server dnsmasq[1447]: dnsmasq: Syntaxprüfung 
>>> OK.
>>> Jan  9 16:39:01 ltsp-server dnsmasq[1456]: gestartet, Version 2.72, 
>>> DNS
>>> abgeschaltet
>>> Jan  9 16:39:01 ltsp-server dnsmasq[1456]: Übersetzungsoptionen: 
>>> IPv6
>>> GNU-getopt DBus i18n IDN DHCP DHCPv6 no-Lua TFTP conntrack ipset 
>>> auth
>>> DNSSEC loop-detect
>>> Jan  9 16:39:01 ltsp-server dnsmasq-dhcp[1456]: DHCP, Proxy im 
>>> Subnetz
>>> 192.168.2.0
>>> Jan  9 16:39:01 ltsp-server dnsmasq-dhcp[1456]: DHCP, IP-Bereich
>>> 192.168.67.20 -- 192.168.67.250, Lease Zeit8h
>>> Jan  9 16:39:01 ltsp-server dnsmasq-tftp[1456]: TFTP Wurzel
>>> ist/var/lib/tftpboot/
>>> Jan  9 16:39:16 ltsp-server NetworkManager[467]: <info> (eth1): link
>>> connected
>>> Jan  9 16:39:17 ltsp-server avahi-daemon[488]: Joining mDNS 
>>> multicast
>>> group on interface eth1.IPv6 with address xxyy::xxy:xxyy:xxyy:xxyy.
>>> Jan  9 16:39:17 ltsp-server avahi-daemon[488]: New relevant 
>>> interface
>>> eth1.IPv6 for mDNS.
>>> Jan  9 16:39:17 ltsp-server avahi-daemon[488]: Registering new 
>>> address
>>> record for xxyy::xxy:xxyy:xxyy:xxyy on eth1.*.
>>> Jan  9 16:39:17 ltsp-server NetworkManager[467]: <info> (eth1): link
>>> disconnected
>>> Jan  9 16:39:20 ltsp-server NetworkManager[467]: <info> (eth1): link
>>> connected
>>> Jan  9 16:39:23 ltsp-server dnsmasq-dhcp[1456]: DHCPDISCOVER(eth1)
>>> xy:yx:yx:yx:yx:yx
>>> Jan  9 16:39:23 ltsp-server dnsmasq-dhcp[1456]: DHCPOFFER(eth1)
>>> 192.168.67.64 xy:yx:yx:yx:yx:yx
>>> Jan  9 16:39:26 ltsp-server dnsmasq-dhcp[1456]: DHCPREQUEST(eth1)
>>> 192.168.67.64 xy:yx:yx:yx:yx:yx
>>> Jan  9 16:39:26 ltsp-server dnsmasq-dhcp[1456]: DHCPACK(eth1)
>>> 192.168.67.64 xy:yx:yx:yx:yx:yx
>>> Jan  9 16:39:26 ltsp-server dnsmasq-tftp[1456]: Fehler 8 User 
>>> aborted
>>> the transfer von 192.168.67.64 empfangen
>>> Jan  9 16:39:26 ltsp-server dnsmasq-tftp[1456]: konnte
>>> /var/lib/tftpboot/ltsp/i386/ipxe.0 nicht an 192.168.67.64 senden
>>> Jan  9 16:39:27 ltsp-server dnsmasq-tftp[1456]:
>>> /var/lib/tftpboot/ltsp/i386/ipxe.0 an 192.168.67.64 verschickt
>>> Jan  9 16:39:27 ltsp-server NetworkManager[467]: <info> (eth1): link
>>> disconnected
>>> Jan  9 16:39:29 ltsp-server NetworkManager[467]: <info> (eth1): link
>>> connected
>>> Jan  9 16:39:30 ltsp-server dnsmasq-dhcp[1456]: DHCPDISCOVER(eth1)
>>> xy:yx:yx:yx:yx:yx
>>> Jan  9 16:39:30 ltsp-server dnsmasq-dhcp[1456]: DHCPOFFER(eth1)
>>> 192.168.67.64 xy:yx:yx:yx:yx:yx
>>> Jan  9 16:39:30 ltsp-server dnsmasq-dhcp[1456]: DHCPREQUEST(eth1)
>>> 192.168.67.64 xy:yx:yx:yx:yx:yx
>>> Jan  9 16:39:30 ltsp-server dnsmasq-dhcp[1456]: DHCPACK(eth1)
>>> 192.168.67.64 xy:yx:yx:yx:yx:yx
>>> ...
>>>
>>> On the client side I get:
>>>
>>> iPXE 1.0.0+git-20141004.86285d1-1 -- OPen Source Network Boot 
>>> Firmware
>>> -- http://ipxe.org
>>> Features: VLAN HTTP DNS TFTP EFI Menu
>>>
>>> net0: xy:yx:yx:yx:yx:yx using rtl8168 on PCI02:00.2 (open)
>>>   [Link:up, TX:0 TXE:0 RX:0 RXE:0]
>>> Configuring (net0 xy:yx:yx:yx:yx:yx)... ok
>>> net0: 192.168.67.64/255.255.255.0 gw 192.168.67.1
>>> Next server: 192.168.67.1
>>> Filename: /ltsp/i386/ipxe.0
>>> Root path: /opt/ltsp/i386
>>> tftp://192.168.67.1/ltsp/i386/ipxe.0... ok
>>> iPXE initialising devices...ok
>>>
>>>
>>> iPXE 1.0.0+git-20141004.86285d1-1 -- OPen Source Network Boot 
>>> Firmware
>>> -- http://ipxe.org
>>> Features: VLAN HTTP DNS TFTP EFI Menu
>>>
>>> Press Ctrl-B for the iPXE command line...
>>> ...
>> The above mentioned link claims "that most dnsmasq is not able to 
>> boot
>> most UEFI devices as it uses DHCP option 43 which they don&#8217;t like 
>> ..."
>>
>> For that reason I'vd tried a configuration with isc-dhcp-server 
>> instead.
>> Again, I'm able to connect to several clients but - unfortuantely, 
>> I'm
>> not able to connect to the UEFI-client.
>>
>> It seems that the problem is related to some tftp-communication 
>> problem ...
>> (compare
>>
>> https://ask.wireshark.org/questions/22519/tftp-transfer-option-negotiation-failed-error-8-packet-trace).
>>
>> ... but I could not find a solution (link) for this problem.
>>
>> If someone has been able to connect to an UEFI client, please let me 
>> know.
> This was a one off since we were invited once to a pc lab where most 
> pc's were older but 4 were uefi pc's.
>
> We brought a laptop ltsp server with 
> http://ts.sch.gr/repo/livecd/12.04/ubuntu-12.04.5-desktop-i386-sch.iso
>
> which is a remastered Ubuntu 12.04 32bit iso. It uses dnsmasq and it 
> just worked with all the clients once we could get the uefi to boot with 
> no secure ipxe.
>
> Richard

Thanks for the link.
However, I would like to use my already existing debian server as a ltsp
server.
I do not quite understand what you mean with non secure ipxe.
Does it mean the bios option for secure boot ...or something else?

The reason I would like to get UEFI running is that there are quite nice
low power and low price shuttles with e.g. Pentium J2900 or Celeron
J1900 (22nm, 2,4GHz, 4 Core, 10Watt) available which unfortunately only
available for uefi boot. 

Truth







I use this mITX Asus board with integrated J1900. I use it for 64 bit fat 
clients on a ubuntu 14.04 server. There is a lot of options in the firmware to 
choose if you like UEFI or legacy solutions.

http://www.amazon.com/Intel-Celeron-J1900-Motherboard-J1900I-C/dp/B00KMIJR5Y

This is a very cheap board, and with 8 GB of RAM I get very fast as well, with 
good graphics performance. I got it in a very small chieftec box.

Rgrds Johan

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