IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 9 June 2014 (all times are UTC)
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| 00:32 | that's an interesting quit message
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| 14:42 | <jammcq> good morning friends
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| 14:43 | <Asterisks> good morning
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| 14:43 | How are you this fine day?
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| 14:59 | <jammcq> hey, i'm fine. what's happening?
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| 14:59 | <gbaman> work_alkisg: Having a weird issue. In a new venue with my LTSP server running on my laptop. Pi plugged into network boots fine but at login screen it can't login. The hostname is broke. It has got Linux ipconfig(the mac address) (IP address) as its hostname in bottom right of login screen
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| 15:16 | anyone?
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| 16:28 | <alkisg> jammcq: hi! Can you execute this command for me, sbalneav and vagrantc, so that we get op on this channel? /msg ChanServ FLAGS #ltsp alkisg +*
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| 16:29 | E.g. it's been months that noone updated the /topic ...
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| 16:35 | ChanServ sets mode: +o alkisg | |
| 16:35 | <jammcq> alkisg: did that do it?
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| 16:37 | <alkisg> jammcq: yup, thanks, I did it for sbalneav too, so here's the result: /msg chanserv access #ltsp list
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| 16:37 | I'll add vagrantc and remove knipwim
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| 16:37 | I don't know what should be done about Mistik1
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| 16:37 | <jammcq> you could remove jstraw too
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| 16:38 | Mistik1 is one of the original founders of the irc channel
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| 16:38 | <alkisg> Lumiere said he's around some times and might help
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| 16:38 | (jstraw)
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| 16:38 | <jammcq> he still pops in occasionally, i'd prolly keep him, as he created the channel
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| 16:38 | <alkisg> You're the only one listed as founder
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| 16:38 | But sure, let's keep him
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| 16:38 | OK so only vagrantc+knipwim
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| 16:39 | <jammcq> actually, the channel existed before I knew anything about IRC
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| 16:39 | <alkisg> (07:36:47 μμ) ChanServ: (notice) 1 Mistik1 +ARiortv [modified ? ago]
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| 16:39 | (07:36:47 μμ) ChanServ: (notice) 2 jammcq +AFRfiorstv [modified ? ago]
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| 16:39 | <jammcq> Mistik1 and Habbe created it, not sure which one actually did it
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| 16:39 | <alkisg> You're the only one with "F" there
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| 16:39 | <jammcq> haven't seen Habbe in several years
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| 16:39 | <alkisg> I.e. Mistik1 wouldn't be able to run the command you just ran to give me access
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| 16:40 | <jammcq> was I the only one ?
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| 16:40 | <alkisg> Yes
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| 16:40 | <jammcq> wow
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| 16:40 | the power... feels good
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| 16:40 | <alkisg> Haha
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| 16:40 | <jammcq> so now, do you have the power?
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| 16:40 | <alkisg> I told sbalneav that you have more letters (flags) there
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| 16:40 | ...he replied... "well he's a bigger guy" :D
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| 16:40 | <jammcq> heh
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| 16:41 | <alkisg> Me, sbalneav and vagrantc will be able to do stuff with the channel now, but we won't be listed as founders
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| 16:41 | Which is the correct thing to do
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| 16:42 | <alkisg> Hmm maybe remove the "automatic operator.."
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| 16:43 | http://toxin.jottit.com/freenode_chanserv_commands#cs03
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| 16:51 | ChanServ sets mode: -o alkisg | |
| 16:51 | ChanServ sets mode: +o vagrantc | |
| 16:51 | ChanServ sets mode: -o vagrantc | |
| 16:51 | <alkisg> OK... vagrantc, type this: /msg chanserv access #ltsp list
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| 16:51 | ChanServ sets mode: -o sbalneav | |
| 16:51 | ChanServ sets mode: -o Lumiere | |
| 16:52 | <alkisg> Those are the persons that have op here now
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| 16:53 | <muppis> I was wondering could I convert local installation to fat client?
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| 16:54 | <alkisg> Sure
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| 16:54 | <muppis> Which package I need to install to make it happen?
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| 16:54 | <alkisg> ltsp-client
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| 16:55 | <muppis> I'll try.
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| 17:05 | <Ashlyn> Hello, I'm trying to make ubuntu 14.04 an ltsp server so I can boot up images to a thin client. I have ubuntu 14.04 with microsoft office installed and now need to create the ltsp. I need directions on how to do this. Side note: I am trying to do this on a separate network than what the final project will be on. This network is made up IP's and has no internet. This is why I'm stucl
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| 17:07 | <||cw> Ashlyn: having the thin client on their own network is common, with the ltsp server providing dhcp and dns. but hte ltsp server will need access to the repositories to install the system
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| 17:08 | the basic process is the same as with 12.04 though https://help.ubuntu.com/community/UbuntuLTSP/LTSPQuickInstall
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| 17:17 | <Ashlyn> Okay, I'm trying that now. My only concern is. I am using the internet to install this and that it will mess with the current dhcp that is on our network and crash the network here
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| 17:18 | <||cw> yeah you need to make sure the dhcp doesn't get started on the LAN interface, only the one that has the thin clients
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| 17:19 | <Ashlyn> I don't know how to do that
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| 17:20 | <||cw> I think there's a comment in the config file, if not, it's covered on the site I linked
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| 17:20 | <Ashlyn> Everything is installing now...Should I unplug it from the internet so it doesn't do that and then start over when you tell me how to
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| 17:20 | Okay.
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| 17:21 | the dhcp.conf file?
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| 17:22 | <||cw> yeah
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| 17:23 | <Ashlyn> okay. I'm not exactly sure what I'm looking for
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| 17:25 | <||cw> do you have 2 network cards?
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| 17:25 | <Ashlyn> The install is complete and successful. I unplugged it from the network and now will plug it into my separate hub which I am using as a test
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| 17:26 | But first I need to configure the dhcp and network files to my own IP's etc. I THINK...
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| 17:26 | <||cw> most of what you can think of is at https://help.ubuntu.com/community/UbuntuLTSP
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| 17:26 | <Ashlyn> OKat. thank you
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| 17:27 | Is there any way to turn off the dhcp incase I need to go back on the normal network here?
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| 17:45 | <Ashlyn> Hi, I boot up my ltsp to the thin client after running sudo apt get install ltsp-server-standalone and sudo ltsp-build-client. Everything works except when I go to boot up I get TFTP....
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| 17:45 | then PXE-E32: tftp open timeout and again TFTP....
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| 17:50 | What does this mean and how do i fixx it?
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| 18:09 | <gbaman> Having a weird issue. Was at a new venue with my LTSP server running on my laptop. Pi plugged into network boots fine but at login screen it can't login. The hostname is broke. It has got Linux ipconfig(the mac address) (IP address) as its hostname in bottom right of login screen
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| 18:10 | any ideas alkisg or vagrantc?
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| 18:22 | <Ashlyn> is someone able to help me figure out how to fix the tftp open timeout issue?
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| 18:22 | <vagrantc> Ashlyn: probably dhcp is configured for a different network than you're running?
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| 18:23 | Ashlyn: grep dhcp /var/log/syslog
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| 18:23 | !pastebin | echo Ashlyn
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| 18:23 | <ltsp`> Ashlyn 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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| 18:23 | <vagrantc> Ashlyn: also: ip a
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| 18:27 | <gbaman> any idea vagrantc on my hostname issue?
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| 18:32 | <Ashlyn> I have configured dhcp to run on the separate hub than the normal network we are using here just because we don't want to crash the network.
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| 18:36 | <||cw> gbaman: is the pi getting internet so it can get the correct time form ntp? or have you added an RTC and batter? ssh will reject if the time is too far off
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| 18:37 | also, hostname of what
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| 18:37 | <gbaman> it should be getting an internet connection yes, as the server had internet connection and it was on the same network
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| 18:37 | it complained it wasnt able to get a valid hostname
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| 18:38 | the string at the bottom right of the login screen was Linux ipconfig(the mac address) (IP address)
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| 18:38 | with (the mac address) and (IP address) filled in
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| 18:38 | instead of ltsp140 (IP address)
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| 18:47 | <||cw> so your dhcp isn't handing out the hostname?
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| 18:47 | and.or the script that generates one is failing somehow
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| 18:50 | <gbaman> I don't run the DHCP server
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| 18:50 | is run on a router at the venue
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| 19:13 | <muppis> I think I've missed something about converting local installation to fat. It just doesn't work.
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| 19:13 | <Asterisks> elaborate
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| 19:15 | <muppis> It just doesn't start like fat client does. Doesn't start X at all.
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| 21:24 | <Asterisks> http://i.imgur.com/ye5udHZ.gif this is amazing
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| 21:24 | wrong channel
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| 22:28 | <Gbaman1> vagrantc any idea about the hostname issue? seems LTSP was getting confused
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| 22:29 | <vagrantc> Gbaman1: i'd try setting SCREEN_02=shell, and run the "hostname" command...
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| 22:29 | Gbaman1: for starters...
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| 22:30 | <Gbaman1> i think i did try that
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| 22:31 | displays the hostname?
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| 22:31 | the issue seemed to be that the hostname wasnt accepted as it had : in it
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| 22:33 | is it the router that will be assigning it?
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| 22:36 | vagrantc the hostname was Linux ipconfig(aa:aa:aa:aa:aa:aa)
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| 22:37 | which is a really weird one
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| 22:37 | <vagrantc> from the hostname command?
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| 22:37 | <Gbaman1> the aa was of course its real mac address
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| 22:37 | i am no longer at the venue so cant test till tomorrow morning
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| 22:38 | hostname followed by IP is displayed bottom right of LDM right?
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| 22:38 | <vagrantc> hard to say what exactly would do that ... basically it's parsing the output of somethng incorrectly
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| 22:39 | <Gbaman1> i am assuming it is the router there as i want getting any issues at home
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| 22:39 | *wasnt
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| 22:40 | but it is one of the most common routers in the UK, a recent BT home hub
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| 22:40 | could it cause the issue?
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| 22:41 | does LTSP not just take the last number of the IP and add LTSP in front??
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| 22:43 | <vagrantc> more complicated than that
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| 22:43 | <Gbaman1> ok?
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| 22:44 | <vagrantc> my guess is there's something in the dhcp response that's ausing it to parse the wrong information...
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| 22:44 | <Gbaman1> ok, the bit that surprised me was the "ipconfig"
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| 22:44 | aka, not ifconfig
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| 22:44 | <vagrantc> HOSTNAME_EXTRA=$(echo "$IPV4ADDR.$IPV4NETMASK" | awk -F "." '{ print (($1%(256-$5)*256+$2%(256-$6))*256+$3%(256-$7))*256+$4%(256-$8) }')
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| 22:45 | ipconfig is the dhcp client used in the initramfs...
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| 22:45 | <Gbaman1> ohh, ok
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| 22:46 | yeah read that earlier, didnt help much :)
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| 22:46 | <vagrantc> "more complicated than that"
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| 22:47 | <Gbaman1> ahh, ok
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| 22:47 | so might have found another LTSP bug? :)
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| 22:47 | <vagrantc> it's not impossible
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| 22:48 | i'd look at suspicious stuff in /tmp/net-eth0.conf or /run/net-eth0.conf
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| 22:48 | also pass break=init
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| 22:49 | so that you get a debug shell in the initramfs
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| 22:50 | <Gbaman1> so the hostname is aquired in the initrd stage?
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| 22:50 | ignore that, in DHCP request
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| 22:50 | <vagrantc> or in the init-ltsp
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| 22:50 | <Gbaman1> ok
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| 22:52 | so, plan of action for tomorrow. check the files in /tmp, find where the reqest is made, grab a copy early on of the raw request
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| 22:52 | *response
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| 22:53 | <vagrantc> at one point it was handled in the initramfs init-bottom/ltsp*
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| 22:53 | now i think it's handled in init-ltsp.d/*hostname
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| 22:54 | forget where the version you're using falls in time...
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| 22:54 | <Gbaman1> in /sbin?
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| 22:55 | <vagrantc> no...
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| 22:55 | <Gbaman1> ltsp is spread across so many places..
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| 22:55 | <vagrantc> i.e. i don't remember where the files in in version 5.4.x vs. 5.5.x
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| 22:55 | <Gbaman1> oh wait, is in /usr
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| 22:56 | <vagrantc> could have just merged everything into one big unmaintainable file instead :P
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| 22:56 | <Gbaman1> sbin has the script to load the scripts
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| 22:56 | <vagrantc> ah, yes, /sbin/init-ltsp
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| 22:56 | <Gbaman1> is 09hostname?
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| 22:56 | was looking in there earlier
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| 22:56 | <vagrantc> sure
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| 22:57 | <Gbaman1> wasnt much help :)
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| 22:57 | <vagrantc> well, the IPV4* variables will come from the net-eth0conf files
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| 22:57 | <Gbaman1> ah, ok
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| 22:57 | i wasnt sure where they came from
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| 22:58 | are they generated on boot?
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| 22:59 | am assuming so as they arent in the inage
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| 22:59 | *image
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| 23:00 | <vagrantc> is what generated on boot?
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| 23:00 | <Gbaman1> net-eth0.conf
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| 23:01 | <vagrantc> it's generated by ipconfig (the dhcp client), or various other hooks that try to emulate ipconfig's output
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| 23:01 | <Gbaman1> ok
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| 23:01 | so is how it passes it from the initrd to main system?
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| 23:01 | by saving it in that file?
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| 23:02 | <vagrantc> i don't remember
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| 23:02 | <Gbaman1> :)
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| 23:03 | if all this fails, am assuming using the HOSTNAME= variable in the lts.conf wont be much use?
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| 23:05 | <vagrantc> hard-coding HOSTNAME in lts.conf will avoid the LTSP specific code..
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| 23:05 | <Gbaman1> is only a single hostname though? right?
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| 23:06 | meaning all would have same hostname?
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| 23:06 | <vagrantc> yes
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| 23:06 | <Gbaman1> and so break anyway?
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| 23:06 | thought so
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| 23:06 | so no use :(
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| 23:06 | <vagrantc> wouldn't break too many things
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| 23:06 | just autologin username/password settings
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| 23:07 | <Gbaman1> could they log in and use the machine as normal
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| 23:07 | <vagrantc> but i wouldn't reccomend using it as a general workaround
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| 23:07 | <Gbaman1> well tes, have a 1 off workshop with 20 kids and 15 pis tomorrow night
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| 23:07 | *yes
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| 23:08 | in a nice networked classroom
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| 23:08 | they will only be using scratch, no internet work or anything
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| 23:09 | <vagrantc> the client hostname really isn't used for much of anything
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| 23:09 | Phantomas1 has joined IRC (Phantomas1!~phantomas@ubuntu/member/phantomas) | |
| 23:10 | <vagrantc> though it might do weird things with epoptes
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| 23:10 | can't remember
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| 23:10 | <Gbaman1> ok, other thing. i was down today and kept getting a pile of kernel panics as the pi booted
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| 23:10 | not using epoptes
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| 23:11 | which apparently i cant paste in..
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| 23:11 | <vagrantc> but it "worked" ?
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| 23:11 | or it crashed?
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| 23:11 | <Gbaman1> no
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| 23:11 | crashed
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| 23:11 | random every timr
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| 23:11 | *time
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| 23:11 | Phantomas has left IRC (Phantomas!~phantomas@ubuntu/member/phantomas, Ping timeout: 265 seconds) | |
| 23:11 | * vagrantc gets grumpy and recommends real hardware | |
| 23:12 | <Gbaman1> http://tinyurl.com/ltsp-panic
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| 23:13 | again, never had the issue before
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| 23:13 | only differences were the network setup and that the server was running on a virtual box VM
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| 23:13 | <vagrantc> Gbaman1: which kernel you using?
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| 23:14 | <Gbaman1> i have since installed it ok its own machine and will be using that tomorrow
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| 23:14 | same one i have been using for ages, 3.10.something
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| 23:15 | 3.10-3-rpi
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| 23:15 | is most recent available for pi from raspbian repo
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| 23:15 | checked recently
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| 23:16 | <vagrantc> kernel panics more appropriate for rpi developer
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| 23:17 | <Gbaman1> my guess is it was just caused by running server via virtual box (with bridged mode for networking)
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| 23:17 | and will hopefully go away wjth my since installed dedicated machine
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| 23:18 | i am thinking is issue with data not getting to the client
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| 23:18 | or an issue with the swap?
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| 23:18 | <vagrantc> using NBD?
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| 23:18 | <Gbaman1> yes
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| 23:19 | actually no, was using NFS for all my tests...
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| 23:19 | and nbd swap
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| 23:20 | <vagrantc> NFS wouldn't panic that easily
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| 23:20 | you'd get retry attempts
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| 23:21 | <Gbaman1> nbd swap perhaps?
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| 23:21 | <vagrantc> maybe
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| 23:21 | but then i'd expect an OOM error (out of memory)
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| 23:22 | <Gbaman1> if it continues will disable swap and see if it improves it
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| 23:22 | <vagrantc> that might just cause OOM errors :P
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| 23:22 | <Gbaman1> if it had been reading from swap and it got unexpected results?
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| 23:24 | is warnings attached to bridged mode for virtual box
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| 23:24 | so am assuming that has been cause of both issues
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| 23:24 | or a posdible cause for second
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| 23:24 | *possible
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| 23:25 | as it was at a random stage every time
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| 23:26 | anyways, thanks for the help. will try those out tomorrow
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| 23:26 | thanks
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| 23:27 | Gbaman1 has left IRC (Gbaman1!~Gbaman@host81-130-11-92.in-addr.btopenworld.com, Quit: Mango IRC for iOS and OS X, http://mediaware.sk/mango) | |
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