IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 8 August 2010 (all times are UTC)
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| 10:52 | <gnoob> Is it possible to make it impossible for users to change proxy in firefox? ltsp server got squid and dansguard :)
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| 11:11 | <alkisg> gnoob: Yes, you need to create a global user.js for the firefox proxy
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| 11:18 | <gnoob> ok:) in the /usr/share/firefox/defaults/pref/user.js ?? Making a new file in no file there?
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| 11:25 | <alkisg> No, in /usr/lib/firefox-3.6.8/defaults/pref/user.js
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| 11:26 | <gnoob> ok, but if there is a firefox upgrade ill need to make that file again?
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| 11:26 | <alkisg> Or, for recent firefox versions, in /etc/firefox/pref/user.js
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| 11:26 | If you have a recent firefox and you use /etc, you'll only need to make it once
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| 11:26 | <gnoob> Ok :) Ill try that! Thanks a lot alkisg
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| 12:19 | looking for a way to reset gnome appearance, so if users screw up deleing bars and stuff, then theyll get it resetted when relogging. Whats best practice here?
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| 12:22 | <alkisg> gconftool-2 --recursive-unset /apps/panel ==> that's for the panels, just find whatever keys you need in gconf-editor.
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| 12:22 | You can either execute that for some users, or put it in a session script so that it runs on every login (and tests if the user is in the "students" group so that it doesn't apply it to everyone etc)
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| 12:22 | Or you can take a look at the sabayon customization tool
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| 12:25 | <gnoob> hmm interesting :) Thanks!
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| 12:26 | session script? Would that make a script that checks if user is in "student" group and then add script to rc.local? :)
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| 12:31 | <alkisg> No, if he's in the "students" group he would just reset the panels or whatever
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| 12:32 | Have a look at /etc/xdg/autostart to see what I mean
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| 13:19 | <gnoob> chattr +i is ok to use on gnome files to not have problems with users damaging their own gui?
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| 13:20 | <johnny> i wouldn't recommend it
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| 13:20 | depending on the file tho
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| 13:23 | <gnoob> ok :)
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| 13:37 | <ananke> doesn't gnome have some kind of kiosk functionality>
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| 13:37 | ?
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| 13:38 | <johnny> yes, sabayon
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| 13:38 | <alkisg> ananke: gnome? or ltsp?
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| 13:38 | <ananke> sabayon is a distro
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| 13:38 | <johnny> no
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| 13:38 | <ananke> alkisg: gnome.
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| 13:38 | <johnny> it's a software for gnome
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| 13:38 | <alkisg> gnoob: which file are you looking to protect?
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| 13:39 | <johnny> ananke, the equivalent to the kde kiosk tool is called sabayon
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| 13:39 | <alkisg> ananke: erm, aren't you asking in the wrong channel then? Why not in #gnome?
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| 13:39 | <ananke> johnny: i see. gotta love projects that pick existing names: sabayon linux
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| 13:39 | <johnny> sorry.. sabayon linux might have came later
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| 13:39 | <ananke> alkisg: i'm not asking. it was a rhetorical question in response to gnoob's problem
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| 13:39 | <johnny> after the sabayon gnome project
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| 13:39 | just because you never heard of the sabayon gnome project doesn't mean it came later
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| 13:40 | <alkisg> ananke: ah, ok - I think gnoob is looking to lock down his desktop, while kiosk afaik is a browser with no desktop at all
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| 13:40 | <johnny> altho i have no evidence for or against, just don't assume it
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| 13:40 | <ananke> johnny: i never claimed which one came first
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| 13:40 | johnny: don't assume i've claimed otherwise
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| 13:40 | <johnny> ok.. so you could e blaming sabayon linux.. good ;)
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| 13:41 | <ananke> alkisg: kiosk functionality doesn't mean browser with no desktop. it means kiosk functionality: restricted/limited options, or presets
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| 13:41 | * johnny agrees with ananke | |
| 13:41 | <alkisg> ananke: ok - I got mixed up with the ltsp kiosk mode, which means a browser.
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| 13:42 | <ananke> johnny: although thankfully sabayon linux fad seems to be over
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| 13:42 | <johnny> i think there's still room for such a thing..
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| 13:43 | i just remember reading their /etc/portage files and thinking they overdid it
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| 13:43 | not enough value added
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| 13:44 | <alkisg> But I wouldn't call the gnome sabayon tool a kiosk - it locks down some settings, but allows the users to customize everything else...
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| 13:47 | <ananke> again, kiosk functionality
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| 13:48 | <alkisg> E.g. presenting a different "education" menu on primary classes than on secondary classes would be considered kiosk functionality?
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| 13:49 | * alkisg then has really misunderstood the "kiosk" word... | |
| 13:51 | <ananke> alkisg: simple. your perspective is that something can be a kiosk, fully locked down, or it's not a kiosk. you're not accepting the idea that 'kiosk functionality' can be present in individual projects, and it means they provide a certain level of lock down & presets
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| 13:52 | <johnny> ananke, english isn't his native language
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| 13:53 | alkisg, a kiosk can mean complete locked down, or just some locked down
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| 13:53 | it's pretty broad
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| 13:53 | * alkisg isn't arguing here, just trying to understand - in Greece we call kiosks only pc-like machines with no keyboard that have no concept of users etc | |
| 13:54 | <alkisg> OK, understood, please go on with your conversation :)
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| 13:55 | <ananke> alkisg: original definition of a kiosk had nothing to do with computers :)
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| 13:55 | <johnny> alkisg, sure.. that would be a kiosk
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| 14:18 | * stgraber is going to tag ldm 2.1.3 in the next 30 mins, please ping me if I shouldn't | |
| 14:20 | <stgraber> and same for ltspfs 0.7
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| 14:23 | <alkisg> stgraber: there's a possibility that I may come to the ltsp bts, but I don't know for sure yet, is it OK if I know in a month or so?
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| 14:41 | <stgraber> alkisg: sure
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| 14:41 | alkisg: that motel is almost empty at that time of the year anyway, so it's really easy to book a room even unannounced ;)
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| 14:42 | <johnny> hmm.. if alkisg comes..
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| 14:42 | <alkisg> Very nice - I hope I can come and meet you all in person finally :)
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| 14:42 | <johnny> i think i might want to come
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| 14:42 | * johnny wants to meet alkisg | |
| 14:42 | <stgraber> in my case it's going to be a bit weird because I'll be at UDS in Orlando the same week, probably flying to Bangor on Friday night so I can attend from Saturday to Monday (if we actually extended it to Monday)
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| 14:43 | <alkisg> johnny, where will you be coming from?
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| 14:43 | (if you do come, that is)
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| 14:44 | <johnny> probably baltimore
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| 14:44 | unless i'm in portland or chicago..
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| 14:45 | * alkisg from NY... | |
| 15:01 | <stgraber> alkisg: oh, you already have a scheduled trip to the US ?
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| 15:01 | (btw, taging ltspfs and ldm now)
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| 15:01 | <alkisg> stgraber: trying to schedule an interview at google at that time...
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| 15:01 | <johnny> alkisg, that would be interesting
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| 15:08 | <stgraber> alkisg: cool, let's hope it turns out well for you
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| 15:25 | <highvoltage> alkisg: oh cool!
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| 15:26 | * alkisg crosses his fingers :) | |
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| 22:16 | <jdu> hello; I am attempting a ltsp server install on ubuntu 10.04 using ltsp-server-standalone. Unfortunately, I am unable to get dhcp to work. When I first installed ltsp, everething worked fine (I successfully booted a client); Now, after adding another ethernet card so I can boot a client _and_ access the internet, it does not work. The error is "No subnet declaration for eth0"..., but any advice from the internet on that error fails t
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| 22:18 | any advice or areas I should research?
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| 22:18 | I am rather week in networking, i.e. understanding how netmasks and subnets work, to edit dhcpd.conf well.
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| 22:32 | improvement: dhcp server running. client gets to: tftp open timeout
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| 22:43 | <johnny> for one.. you have to definitely rebuild your client image
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| 22:43 | after changing the the
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| 22:43 | jdu, really it's best to plugin a more fully featured OS to troubleshoot it
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| 22:43 | if possible
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| 22:44 | that way you don't have to rely on the poor error messages and constant restarts
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| 22:48 | <jdu> here
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| 22:48 | yes, I remembered to do that
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| 22:53 | more fully featured OS?
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| 23:02 | <alkisg> jdu: post your dhcpd.conf and the output of `ifconfig -a` to pastebot
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| 23:02 | !pastebot
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| 23:02 | <ltspbot`> alkisg: "pastebot" :: The LTSP pastebot is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
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| 23:02 | <alkisg> (/etc/ltsp/dhcpd.conf)
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| 23:07 | <jdu> alkisg: ok; will do
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| 23:08 | http://ltsp.pastebin.com/L1NeYSc8
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| 23:09 | http://ltsp.pastebin.com/AEYHMNJD
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| 23:09 | it should use eth0, I wonder at the ip chosen
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| 23:10 | <alkisg> jdu: you shouldn't use the same subnet (192.168.0) for both nics
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| 23:10 | Are they facing different networks? I.e. connected to different switches?
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| 23:10 | <jdu> <smiles>
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| 23:10 | alkisg: eth2 goes to switch
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| 23:10 | eth0 goes direct to thin client
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| 23:11 | <alkisg> With a crossover cable?
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| 23:11 | <jdu> at the mom, relying on auto sensing
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| 23:11 | which worked before
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| 23:11 | need to buy crossover cable
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| 23:11 | <alkisg> OK if it worked before no problem there
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| 23:12 | You can have ltsp with just 1 nic, if it suits you better
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| 23:12 | <jdu> is having the same subnet still a problem then?
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| 23:12 | <alkisg> Yes, using the same subnet is a problem
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| 23:12 | <jdu> through the switch/router?
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| 23:12 | <alkisg> Yes, through your router
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| 23:12 | <jdu> that would suit me better; I was unsure how to do it.
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| 23:13 | so perhaps I'll choose 192.168.2.0
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| 23:13 | <alkisg> OK remove one of your nics, reboot and come to the channel again :)
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| 23:13 | <jdu> alright; will do; thanks
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| 23:19 | <jdu> finally back
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| 23:19 | !pastebin
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| 23:19 | <ltspbot`> jdu: "pastebin" :: try !pastebot
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| 23:20 | <jdu> !pastebot
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| 23:20 | <ltspbot`> jdu: "pastebot" :: The LTSP pastebot is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
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| 23:20 | <jdu> new output of ifconfig http://ltsp.pastebin.com/6Uem5HYW
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| 23:21 | so one nic now, connect to router/switch
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| 23:22 | alkisg: thanks for your help, btw
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| 23:22 | <alkisg> np
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| 23:22 | OK, now, I suppose your router has an embedded dhcp server?
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| 23:22 | <jdu> correct
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| 23:23 | <alkisg> You need to remove dhcp3-server and install dnsmasq
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| 23:23 | Follow the instructions here: https://help.ubuntu.com/community/UbuntuLTSP/ProxyDHCP
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| 23:23 | <jdu> ok, in the works
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| 23:26 | alkisg: there's enough there, I should probably ask beforehand -- so I don't take too much of your time -- if there more steps after that, or if that page is comprehensive.
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| 23:27 | <alkisg> No, if you correctly complete that page it should then work. Yeah it has a lot of reading but there are only 3-4 steps for Lucid there, the others are for previous versions.
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| 23:27 | <jdu> ah, I see
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| 23:28 | ok, I'll go ahead with it now
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| 23:37 | pxe complains that no boot filename was recieved
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| 23:37 | looking back through dnsmasq config again
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| 23:38 | <alkisg> Check the dhcp-range line and also run `sudo invoke-rc dnsmasq restart`
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| 23:38 | Ah, and comment the second 192.168.0.x range line there
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| 23:40 | <jdu> currently, the first dhcp-range line is dhcp-range=10.160.31.10,proxy
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| 23:41 | which is obviously wrong
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| 23:41 | the second is already commented out
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| 23:41 | <jdu> or did I misunderstand?
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| 23:42 | <alkisg> OK, then change that first line to your current ip
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| 23:44 | <jdu> YEAAA!!!!
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| 23:45 | * alkisg guesses it booted :D | |
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| 23:49 | <jdu_> alkisg: so, during the boot, connection went haywire
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| 23:49 | to router from server
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| 23:50 | <alkisg> ? the server shouldn't be affected in any way, when a client boots...
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| 23:50 | Now you linked your client to the router/switch, right?
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| 23:50 | <jdu_> correct,
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| 23:50 | it began to boot, reached the splash screen, and then the server lost connection with the router
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| 23:51 | log shows the nic going up and down, up and down
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| 23:51 | in a loop
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| 23:51 | <alkisg> That shouldn't be possible, for the client to disrupt the server connection
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| 23:51 | <jdu_> so I unplugged the client inorder to reconnect
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| 23:52 | <alkisg> OK let's verify again your wiring: 1 router which is also a switch, a server with 1 nic connected to it, and a client again connected to the router/switch. Right?
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| 23:53 | <jdu_> yes, although i just disconnected the client from the router/switch
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| 23:53 | <alkisg> OK. Can you pastebin the output of: dpkg -l ltsp-server-standalone dhcp3-server; cat /etc/dnsmasq.d/ltsp.conf
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| 23:54 | ...and cat /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default
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| 23:58 | <jdu> realized I never reconnected after reconnecting the client to the router/switch
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| 23:58 | http://ltsp.pastebin.com/r2jtqzsN
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| 23:58 | ^---- that's what I'm talking about
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| 23:58 | <alkisg> (07:53:47 πμ) alkisg: OK. Can you pastebin the output of: dpkg -l ltsp-server-standalone dhcp3-server; cat /etc/dnsmasq.d/ltsp.conf
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| 23:58 | (07:54:35 πμ) alkisg: ...and cat /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default
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