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01:56 | <Zarrsh> Hello, I've been doing some research the past about thin clients and have come across ltsp and have been reading various articles about it.
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01:57 | Let me explain my goal, to have a very light distro installed locally on a "thin-client" that once booted automatically launches an RDP session into a Windows terminal server.
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01:58 | I was reading how LTSP version 5 also supports local storage(flash drives) which is very nice as well
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01:59 | So my question is what distro would someone recommend for the client side, that has a small enough footprint and be capable of installing ltsp on?
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04:33 | <jvin> Zarrsh, clients should boot off PXE/BOOTP try out edubuntu.org live dvd with ltsp option to test hardware.
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07:17 | <srdjo> good morning all
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07:18 | alkisg, what might be the reason for client not to show in epoptes
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07:24 | <alkisg> srdjo: it was working before, and it stopped working now?
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07:24 | Or it never worked?
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07:25 | In 90% of the cases, it's a missing or mismatched certificate
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07:25 | <srdjo> all clients are ok except one
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07:25 | user logs in, and it is nowhere on epoptes
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07:26 | <alkisg> Do you see the clients before login?
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07:26 | <srdjo> not this one
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07:26 | i see all the oters
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07:26 | others
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07:26 | <alkisg> That's _before_ they login, right?
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07:26 | <srdjo> before and after
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07:26 | <alkisg> As green or blue monitor icons
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07:26 | Are they fat clients or thin?
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07:27 | <srdjo> they should all be fat but I must check this one thats not showing up
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07:28 | <alkisg> Can you login on that client, and run epoptes-client from a console manually?
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07:28 | And check if you get any errors?
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07:30 | <srdjo> it stays on connecting to server...
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07:31 | <alkisg> OK, stop it, and do this:
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07:31 | md5sum /etc/epoptes/server.crt
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07:31 | Both on your server and on that client
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07:31 | And see if it matches
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07:35 | <asmok> alkisg: have a time look at this question: http://www.mail-archive.com/ltsp-discuss@lists.sourceforge.net/msg40264.html
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07:35 | <srdjo> they are both the same
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07:35 | <alkisg> asmok: I was just reading it in my mailbox :)
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07:35 | <asmok> about dnsmasq and resolvconf - i do not get it to work
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07:35 | yes i know - just kicking ;-)
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07:36 | <alkisg> I'm not the correct person to ask abouto resolvconf though, probably stgraber is
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07:36 | Either file a bug in launchpad about the problem, or try to find him here later on
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07:36 | <asmok> ok i file a bug, thank you
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07:36 | <alkisg> asmok: can you put the output of `ps aux` of a client to pastebin?
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07:37 | Which of resolvconf / network-manager are running? none, one or both?
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07:38 | <asmok> here - http://pastebin.com/mL3RKA9b
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07:39 | <alkisg> asmok: the local ps, not the server one
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07:39 | !localxterm
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07:39 | <ltsp> alkisg: localxterm: Any applications that you launch on a thin client actually run on the server. However, if in a client you run 'ltsp-localapps xterm', a local xterm will open, and any commands that you enter there will be executed locally on the client.
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07:39 | <asmok> sorry
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07:41 | <alkisg> And also, if you can, the output of this one, again in the localxterm: ls /etc/init/*network* /etc/init/resolv*
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07:41 | <asmok> ok
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07:46 | ps ax local - http://pastebin.com/RFvkDt8p
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07:47 | ls - http://pastebin.com/nwrEkFJf
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07:48 | <alkisg> Can you put this in your lts.conf, and then reboot the client?
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07:48 | RM_SYSTEM_SERVICES=resolvconf
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07:48 | See if that fixes the problem
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07:48 | <asmok> ok
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07:54 | no it did not for thin client
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07:54 | <alkisg> OK... yeah then just file a bug report about it:
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07:54 | !ubuntu-bug
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07:54 | <ltsp> alkisg: ubuntu-bug: To file a bug report for Ubuntu LTSP, go to https://bugs.launchpad.net/ubuntu/+source/ltsp
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07:54 | <asmok> ok
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07:56 | <elias_a> asmok: Nice to meet you, as always :D
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07:57 | <asmok> well, i'm here only when i find something bad ;-) not really chatting guy ;-)
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07:58 | <alkisg> asmok: also if your chroot hasn't been updated for weeks, verify that the problem is there if you upgrade it too
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07:58 | <elias_a> asmok: I know that. Just wanted to say hello and cheer our national hero :)
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07:59 | <asmok> ;-)
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07:59 | alkisg: ok i update everything now and then file a bug
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08:00 | <alkisg> Nice
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08:01 | <elias_a> alkisg: Would you probably have use for FLOSS school ERP?
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08:14 | <alkisg> elias_a: nah, we're not using ERPs here
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08:17 | <srdjo> alkisg, I tested the server.crt on client and server and they are both the same
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08:17 | <elias_a> alkisg: Ok. I will send you info in any case when we the package ready made.
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08:19 | <asmok> here is a filed bug: https://bugs.launchpad.net/ubuntu/+source/ltsp/+bug/955785
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08:20 | <asmok> alkisg: i test google crome as a local app, cromium is in server side, just a note
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08:26 | <alkisg> asmok: how do you send your dns server to the clients?
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08:26 | From the dnsmasq configuration?
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08:26 | Or from lts.conf?
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08:28 | srdjo: what's the output of this command, if you run it in your problematic client? socat openssl-connect:server:789,cafile=/etc/epoptes/server.crt EXEC:bash
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08:29 | <asmok> i followed your howto, so there is ltsp.conf for /etc/dnsmasq.d/ - http://pastebin.com/rtKd52rN
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08:30 | i do not have anywhere else dns records for thin client?
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08:33 | <alkisg> asmok: is dnsmasq working as a proxydhcp or as a regular dhcp server?
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08:34 | I.e. do you have a router as a dhcp server in the same subnet/.
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08:34 | ?
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08:34 | dhcp-range=192.168.100.10,proxy
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08:34 | <asmok> i have a router
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08:34 | as a dhcp server
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08:34 | <alkisg> ==> that means that dnsmasq is NOT responsible for sending dns info to the clients
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08:35 | <asmok> who is?
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08:35 | <alkisg> Your router. Are you also using ipappend 3?
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08:35 | <asmok> yes
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08:35 | <alkisg> Then your lts.conf is
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08:35 | Since your client essentially isn't using dhcp
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08:35 | (after the initial pxe request)
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08:35 | So you need DNS_SERVER=xxx in your lts.conf
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08:36 | <asmok> ok
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08:36 | i try that
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08:36 | <alkisg> That's what I have here too, it works fine. So there's no bug so far.
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08:37 | <asmok> but there is bug for server itself? it has no dns services?
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08:37 | <alkisg> I didn't understand that, say more...
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08:38 | <asmok> i have static interface, one nic eth0 with dns-nameservers - no go
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08:39 | i have /etc/resolvconf/resolv.conf.d/base filled with two nameservers - no go
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08:40 | ltsp server is going anywhere but i can ping ip numbers?
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08:41 | <alkisg> Ah, ok, no idea there, you'd need to ask in #ubuntu or talk to stgraber directly or file a bug in ubuntu etc, not ltsp related
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08:41 | I'm not using resolvconf, I commented it out in my network-manager configuration
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08:42 | <asmok> so tell me what you got?
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08:42 | <alkisg> $ grep dns /etc/NetworkManager/NetworkManager.conf
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08:42 | #dns=dnsmasq
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08:42 | <asmok> is that all?
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08:42 | <alkisg> That disables resolvconf
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08:42 | That's what stgraber's blog said, yes
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08:42 | It works for me
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08:43 | <asmok> where is dns records then? do you have static /etc/resolv.conf, not linked one?
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08:43 | <alkisg> It's generated by network-manager
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08:44 | <asmok> from router?
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08:44 | <alkisg> Hmm let me see...
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08:45 | Hmm no, the info from network-manager went to /etc/resolvconf/resolv.conf.d/original
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08:45 | <alkisg> So I'm using resolvconf but not the new local dnsmasq thing
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08:46 | <asmok> now i not follow - old dnsmasq for 10.04?
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08:46 | <alkisg> asmok, on your server, what's the output of this? ps -fC dnsmasq
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08:46 | <asmok> ok
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08:47 | root@lubuntu:~# ps -fC dnsmasq
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08:47 | UID PID PPID C STIME TTY TIME CMD
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08:47 | dnsmasq 1101 1 0 10:12 ? 00:00:00 /usr/sbin/dnsmasq -x /var/run/dnsmasq/dnsmasq.pid -u dnsmasq -r /var/run/dnsmasq/resolv.conf -7 /etc/dnsmasq.d,.dpkg-dist,.dpkg-old,.dpkg-new
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08:48 | <alkisg> And what do you have in /etc/resolvconf/resolv.conf.d/original ?
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08:48 | <asmok> well, nothing, just base is filled now
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08:49 | <alkisg> Mine has the data from network manager there
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08:49 | Anyway, gotta go for now. If you're using dnsmasq in proxydhcp mode in many schools, you might be interested in the new ltsp-server-dnsmasq package that I'll develop
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08:50 | bbl
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08:50 | <asmok> ok now i think i have no network-manager, i used to purge it, but maybe i now need it for 12.04?
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08:51 | <alkisg> Maybe. I always keep network manager unless I want to do some advanced stuff that it doesn't support, like bonding.
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08:51 | <asmok> i do because i do setup for Mexico and it has to just work for next five years in city/jungle
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08:52 | ok i install network-manager and continue with that
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08:52 | <alkisg> ok, talk to you another time, bye
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08:52 | <asmok> alkisg: thank you once again
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10:12 | <asmok> alkisg: i do not get it. Here is pastebin for conf files: http://pastebin.com/MNZDHt01
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10:17 | <andygraybeal> good morning :)
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10:20 | <Hyperbyte> Hey Andy!
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11:09 | <asmok> alkisg: one more thing - if i put right nameservers in chroot /etc/resolvconf/resolv.conf.d/base and make new image, then tc do dns right way and keep them
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11:10 | now i hammer server itself with cron once a minute - Mar 15 13:08:01 lubuntu CRON[4983]: (root) CMD (resolv-update.sh)
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11:10 | so resolvconf really hate dnsmasq or vice versa
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11:11 | but in chroot is no dnsmasq so resolvconf works i think
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11:11 | <srdjo> does anyone have any experience with firefox anf chrome running out of memory in ltsp clients ?
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11:12 | <asmok> anyway let's wait what St. Graber will say ;-)
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11:12 | bye have to go
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11:27 | <alkisg> asmok: you are not using network manager, that's the problem, you need to remove the declaration from /etc/network/interfaces
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11:27 | Not ltsp related at all
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11:30 | <andygraybeal> Hyperbyte, what'r you up to this morning?
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11:48 | <Hyperbyte> andygraybeal, not much actually
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11:48 | But don't tell my boss!
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11:49 | <andygraybeal> :)
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12:17 | <jg> After standard install client isn't getting dhcp from server. ltsp install script gave an 'all ok' when it finished. how to check/get dhcp operating? Server running on Lubuntu 11.10.
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12:36 | <Hyperbyte> jg, hi!
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12:37 | Type 'service isc-dhcp-server status'
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12:37 | Does it say "dhcpd is not running"?
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12:58 | <Hyperbyte> jg, bye!
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13:34 | <jg> Hyperbyte, I guess it's not running: "Status of ISC DHCP server: dhcpd is not running." How to get it going?
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13:40 | <Hyperbyte> service isc-dhcp-server start
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13:40 | (needs a sudo in front if you're not root)
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14:09 | <jg> Hyperbyte, dhcp server failed to start. syslog shows 'subnet undefined' .. what url I should follow to get this setup correctly? And what did I or the ltsp script miss when installing?
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14:15 | <Hyperbyte> Pastebin your /etc/ltsp/dhcpd.conf
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14:15 | !pastebin
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14:15 | <ltsp> Hyperbyte: pastebin: the LTSP pastebin is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebin, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
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14:16 | <Hyperbyte> Also, pastebin the complete dhcpd output while starting from the syslog please
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14:17 | <LuizAngioletti> Howdy!
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14:22 | <Hyperbyte> Hiya!
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14:24 | <LuizAngioletti> =)
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14:39 | <jg> Hyperbyte, using your note re "isc" helped & I have dhcp running now (found dhcp config steps here: /mojotechblog.wordpress.com/2011/12/01/ubuntu-11-10-ltsp/) and client gets dhcp IP. However the client tells me there is a PXE ARP timeout and TFTP fails.
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14:48 | <JesseC> Is there any infomation out there about the average disk IOP usage on a common ltsp fat client?
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14:50 | <||cw> JesseC: that's going to be completely workload dependent
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14:50 | <JesseC> Yeah, I know that much. I guess I'm just looking for averages, similar to what some people have done for VDI setups.
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14:51 | Hmm.. just gave myself an idea. ;)
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16:04 | <Hyperbyte> jg2, service tftpd-hpa status
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16:05 | <jg2> Hyperbyte, "tftpd-hpa start/running, process 1100"
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16:06 | <Hyperbyte> I'm gonna go back to what I said before
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16:06 | Pastebin your /etc/ltsp/dhcpd.conf
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16:19 | <Hyperbyte> jg2, I'm off to my evening job... either someone else will help you, or I'll have a look later tonight or tomorrow... either way, stick around. :-)
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17:06 | <LuizAngioletti> hey andygraybeal!
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17:06 | I need some help, do you have the timew
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17:06 | <andygraybeal> hi LuizAngioletti how are things?
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17:06 | <LuizAngioletti> ?
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17:06 | <andygraybeal> yes, shoot.
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17:06 | <LuizAngioletti> As you might already know...
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17:06 | I'm using LTSP inside a Vm on Virtualbox.
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17:07 | VBox offers the guestadd-ons in a virtual CD that can be mounted.
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17:07 | I have currently no clients running, so everything is done from the server.
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17:07 | I mount the CD.
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17:07 | I chroot to /opt/ltsp/i386
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17:07 | and then...
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17:08 | I can't see anything mounted. The prompt replies with: "warning: can't open /etc/mtab: No such file or directory"
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17:08 | <||cw> mount it while in the chroot
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17:09 | and don't forget to loop mount dev and sys and proc
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17:09 | <LuizAngioletti> hum... =P That I did forget. =P
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17:09 | ||cw: thx.
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17:09 | <andygraybeal> also, there is a script that alkisg has.. that loads your environment variables as well in the chroot. this is helpful
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17:09 | things like proc and etc.
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17:09 | i don't know the details of such wizardry.
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17:10 | <||cw> that going to be included in precise?
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17:10 | <andygraybeal> i think so
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17:10 | <||cw> cool
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17:10 | <andygraybeal> i don't know if it's in precise, i thin it's going to be in the next vresion of ltsp though
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17:10 | you can download it and run it, i have done this.
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17:10 | <alkisg> andygraybeal: if you're talking about ltsp-chroot, it's not my script, and it's included from 10.04 on :)
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17:11 | <andygraybeal> aah there you have it.
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17:11 | from the horse.
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17:11 | <alkisg> I did update its code like other scripts, but most ltsp code is product of cooperation
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17:12 | LuizAngioletti: why do you need the vbox guest additions?
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17:12 | You can add any vesa modes you want, and it support a tablet mode for mouse integration
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17:12 | So I didn't find any need to install them...
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17:14 | <LuizAngioletti> alkisg: That's way too confusing for me. I have a CD... it solves my problem.. it's right here.
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17:14 | Isn't it harder to do what you're saying --- Although I don't quite understand it all..
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17:14 | ??
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17:15 | <alkisg> I think it's easier, it's just 1 vboxmanage command
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17:15 | What do you want the guest additions for ?
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17:19 | <LuizAngioletti> alkisg: to be able to dynamicaly resize the window size
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17:20 | <alkisg> OK, vesa doesn't allow that, it only supports fixed resolutions of any size, e.g. 1234x789
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17:20 | So go ahead and try to install them
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17:22 | <LuizAngioletti> alkisg: =)
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17:22 | <alkisg> On real servers + VM clients it's difficult because the installer can't detect the vbox hardware and complains, I think
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17:22 | But in your case it should be simple enough
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17:25 | <LuizAngioletti> What I'm seeing here is that the installer can't find the kernel headers, although they are installed in the chrooted system
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17:26 | <LuizAngioletti> and /proc and /dev are mounted in the chroot
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17:26 | <andygraybeal> i ran into problem where i had server kernels... sometime long time ago, or something like this. it was a while ago... ihad to move the correct kernel versions around
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17:27 | i don't know if that has anythign to do with what you are doing :P
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17:27 | <LuizAngioletti> http://pastebin.com/dk909fFK
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17:28 | andygraybeal: It might. I installed the server version --- Ubuntu Alternate CD.
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17:28 | I don't know about the client image
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17:28 | <alkisg> LuizAngioletti: if possible, try to have the same kernel in the server as the one in the chroot
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17:28 | <alkisg> LuizAngioletti: which distro/version are you using?
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17:29 | That's one of the reasons I was trying to allow ltsp chroots to be bootable with vbox, then you could just boot the chroot VM and attach the driver CD
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17:29 | <LuizAngioletti> Ubuntu 10.04, kernel 2.6.32-38-generic on both server and client
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17:29 | <LuizAngioletti> from the alternate CD
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17:30 | <||cw> my 10.04 doens't have ltsp-chroot :(
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17:30 | <alkisg> ||cw: dpkg -L ltsp-server| grep ltsp-chroot
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17:31 | <||cw> ah, just not in path
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17:31 | <alkisg> LuizAngioletti: ok, if it was 12.04 I would propose some other way, I don't have anything else to propose there other than booting the server with the chroot kernel
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17:32 | <LuizAngioletti> alkisg: How would I do that
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17:32 | <alkisg> apt-get install the kernel and reboot the server
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17:32 | <LuizAngioletti> ?
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17:33 | <alkisg> sudo chroot /opt/ltsp/i386 dpkg -l 'linux-image*' | grep ^ii
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17:51 | <knipwim> is ubuntu using xinetd to start nbd-server for chroot images?
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17:59 | <ogra_> not ootb
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18:00 | <vagrantc> knipwim: next version will just be using nbd-server's init scripts (or upstart jobs?)
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18:01 | ditto for debian, if you've configured it to use NBD
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18:03 | <knipwim> i see, the service is configured in ltsp-update-image
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18:24 | <jg2> Hyperbyte, here's the file: http://pastebin.com/download.php?i=SJ73pi3x
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18:36 | <knipwim> hmm, for some reason mounting an nbd image on the client only works when starting nbd-server from the commandline
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18:37 | the nbdrootd xinet.d script seems to fail
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18:37 | or the nbdrootd script
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18:39 | <alkisg> knipwim: aren't you switching to name-based exports?
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18:48 | <knipwim> i haven't come to that
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18:49 | first, boot from nbd, all manual
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18:49 | <alkisg> Maybe you should directly try with the name-based exports then instead of the port-based ones
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18:50 | nbd-client -N ltsp_i386 etcetc
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18:53 | <knipwim> the named config is created in the ltsp-update-image?
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18:54 | <alkisg> Yes, but you can also create it manually if you like
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18:54 | And the IANA assigned port is 10809
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18:55 | No more reserved ports like 2000
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18:55 | <knipwim> looks promising
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18:55 | too bad gentoo doesn't provide an initscript
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19:08 | <Llama_be> knipwim: i'm not able to be here long and i'm on my phone, so can't really test anything, but yesterday i did the ltsp-build-client with the kicktoo 5.3 profile, and it failed, wanting to install grub. why does it need grub?
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19:08 | <highvoltage> ǝuoʎɹǝʌǝ ollǝɥ
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19:18 | <ogra_> highvoltage, you in .au ?
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19:18 | <elias_a> highvoltage: Dude, you're starting to learn! :D
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19:19 | <knipwim> Llama_be: it shouldn't
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19:19 | <highvoltage> ogra_: oops, no I was just upside down :)
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19:19 | <knipwim> Llama_be: is it a dependency?
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19:20 | <ogra_> :)
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19:40 | <Llama_be> i'll check it later, but it was in the default profile i believe, because i dont think i modified anything
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19:42 | i think grub was already compiled, and it was trying to find a device to put it in the boot sector of
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20:18 | <knipwim> Llama_be: you mean it's configuring the bootloader? or just emerging grub
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20:22 | i think a pastbinned build log would help
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20:25 | <Llama_be> ill pastebin the log later on, not at my pc atm
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