IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 9 April 2011 (all times are UTC)
| 00:00 | <vagrantc> why not just install an OS on the disk?
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| 00:00 | that seems like potentially the worst of both worlds
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| 00:06 | <Lns> vagrantc, maybe they mean just like a usb hard disk for external storage?
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| 00:07 | <vagrantc> Lns: i don't think so, based on what little i've heard them say over the course of the last week
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| 00:07 | <Lns> ah
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| 00:07 | 'terminally' vague? ;)
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| 00:07 | <vagrantc> aye
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| 00:07 | <Lns> man i need to go to sleep, my sarcasm is lacking...heh
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| 00:08 | * Lns blames nagios configuration for staying up so late | |
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| 00:19 | <viks> vagrantc : can u tell me how to do that locl hardisk map on kiosk mode
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| 00:19 | the reason we want to use this because we want existing hardware
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| 00:19 | we don't want to go for thin client box
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| 00:22 | <vagrantc> viks: i'd really need a better explanation of what you're trying to do and why ...
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| 00:22 | but right now, i need to get some sleep
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| 00:22 | <viks> k
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| 00:22 | <viks> can i send u detail on ur mail if u need what we want exactly
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| 01:33 | <viks> .
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| 01:33 | documentation for mounting local disk on ltsp boot in kiosk mode
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| 01:33 | any one let me know about this
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| 03:11 | <viks> .
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| 03:34 | <knipwim> viks: check out the irc logs from a few days ago
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| 03:34 | http://www.nubae.com/logs/ltsp20110407_pg1.html ?
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| 03:35 | <knipwim> there is some talk on local disk mounts in kiosk mode
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| 03:38 | <viks> hey knipwin : it was me only .....my problem is still pending
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| 03:38 | i can't see local hardisk on pxe boot
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| 03:53 | <andygraybeal> mornining :)
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| 07:38 | <alkisg> (non LTSP related) I'm trying to make a php script that shows the external IP, could someone visit http://users.sch.gr/alkisg/ip/ and PM me with the result?
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| 07:51 | <andygraybeal> HTTP_X_FORWARDED_FOR='50.42.0.34'
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| 07:51 | REMOTE_ADDR='10.2.33.11'
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| 07:51 | HTTP_HOST='users.sch.gr'
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| 07:51 | HTTP_USER_AGENT='Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.16) Gecko/20110323 Ubuntu/10.04 (lucid) Firefox/3.6.16'
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| 07:51 | HTTP_ACCEPT='text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'
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| 07:51 | HTTP_ACCEPT_LANGUAGE='en-us,en;q=0.5'
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| 07:51 | HTTP_ACCEPT_ENCODING='gzip,deflate'
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| 07:51 | HTTP_ACCEPT_CHARSET='ISO-8859-1,utf-8;q=0.7,*;q=0.7'
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| 07:51 | er crap
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| 07:51 | sorry
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| 07:51 | i hope that doesn't ruin things that i publicly posted that
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| 07:52 | <alkisg> Thanks guys
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| 07:52 | andygraybeal: nah, it's just your ip :)
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| 11:24 | <markit> hi ppl, what is the preferred method to manage teachers/students authentication? ldap? just use normal GNU/Linux tools and some scripts (the way I used in a small school)
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| 11:25 | alkisg: hi, how are you? I've been "engaged" to put ltsp on 12 pc for the elementary school of my small town (300 students)
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| 11:26 | <alkisg> Hi markit, nice
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| 11:26 | <markit> btw, the computer classroom has 12 pc + a server
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| 11:26 | alkisg: well, seems that "elementary" (is the correct term for the schools 6-10 years age?) teachers are much worse than the others (11-13 years students school)
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| 11:27 | know 0 about computers, and have a ton of Win-binded cd they "have to use" or something like that
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| 11:27 | <alkisg> Not sure if elementary or primary is the correct word, but I got what you mean
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| 11:27 | It's the same here
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| 11:27 | <markit> oh :)
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| 11:27 | any tip except use a gun to convince them? :)
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| 11:28 | <alkisg> Here we made a repository for greek edu apps for primary education, so they can install 5 Gb of programs with just 1-2 clicks
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| 11:28 | That, and the fact that LTSP works on 64 RAM, helped a lot
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| 11:29 | <markit> 64MBRAM???? kde hangs with 256MB
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| 11:29 | <alkisg> It's LTSP, thin clients, not standalone clients.
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| 11:29 | <markit> I'll have clients with 1GB, P4
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| 11:29 | unfortunatly very bad (sis) video board
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| 11:29 | mine are thin clients also... thought that X-Window needed much more ram
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| 11:30 | and yes, I got confused, forget my last-but-one sentence :)
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| 11:30 | dinner time, hope to meet you again later, I've a couple of questions for you :)
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| 11:30 | <alkisg> 64 = lowest minimum, 128 = works mostly OK, and 256 = very well for a thin client
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| 11:30 | bb
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| 11:47 | <Hyperbyte> Hey alkisg! I've been wanting to ask you... is there any way to get USB DVD-ROM devices (/dev/scd0) working as LTSP local devices?
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| 11:59 | <alkisg> Hi, no idea, I don't use localdevs.
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| 12:00 | <Hyperbyte> :O
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| 12:00 | I never thought I'd hear you say 'no idea' when it comes to basic LTSP features. =)
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| 12:01 | <alkisg> Hehe. About localdevs/ltspfs and ltsp-cluster, I really don't have a clue
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| 12:01 | <Hyperbyte> When I plug in a USB stick it just works, appears on the LTSP desktop... USB drive doesn't
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| 12:01 | <alkisg> Could be something with the udev rules that fire up ltspfsd
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| 12:01 | <Hyperbyte> I was thinking that yeah
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| 12:01 | <alkisg> But again, no idea, never looked that part of the code
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| 12:01 | <Hyperbyte> Alright.
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| 12:01 | Thanks anyways of course. =)
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| 12:30 | <alkisg> Hyperbyte: in a local terminal, try: `udevadm monitor`, and then plug the usb drive
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| 12:31 | See if it matches /opt/ltsp/i386/lib/udev/rules.d/80-ltspfsd.rules
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| 12:34 | Also this provides more details: udevadm info --query=all --name=/dev/scd1
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| 17:51 | <Roasted> how would I configure ltsp so my home router can be dhcp server?
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| 19:46 | <Lns> roasted, as long as your home router has the functionality to act as an adequate dhcp server for ltsp terminals (need next-server, tftp root path, other dhcp options to be passed) then install "ltsp-server" instead of "ltsp-server standalone" in Ubuntu/Debian (or similar in other distros)
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| 19:46 | <roasted> Lns, how does server and server standalone differ?
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| 20:03 | <Lns> roasted, apt-cache show ltsp-server[-standalone] - ltsp-server-standalone also installs a dhcp server (and other goodies)
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| 20:04 | <roasted> Lns, what specs should I look for in a new router to accommodate the needs of LTSP clients?
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| 20:05 | <Lns> roasted, one that allows the passing of arbitrary dhcp options such as root-path, next-server, tftp-filename, etc...that is required by ltsp (should be in the ltsp documentation which specifically)
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| 20:06 | you can also look at https://help.ubuntu.com/community/UbuntuLTSP/LTSPWindowsDHCP as a general guide
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| 20:06 | (that's what i use anyway)
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| 20:06 | <roasted> Lns, Yeah all of that I don't recall ever seeing on a router spec sheet. I suppose it would just be easier to disable DHCP on the router and let my LTSP box handle it. If I went that route, would it allow laptops (wireless) to get IPs even from my box?
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| 20:06 | <Lns> sure
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| 20:06 | <roasted> I may be looking too far in advance but I can see this as an attractive way to add PCs for kids down the road instead of buying them big boxes.
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| 20:07 | <Lns> the non-ltsp (non pxe enabled) machines will simply disregard the extra options passed to it
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| 20:07 | it is
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| 20:07 | <roasted> but if I let the LTSP server handle DHCP I just want to make sure everything will work accordingly, wireless devices included.
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| 20:07 | <Lns> as long as you stay away from a few things (such as flash/shockwave, media/3D intensive apps)..
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| 20:08 | <roasted> the idea of kids having their own computers is for school related stuff. :P
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| 20:08 | <Lns> roasted, should, i don't see why it wouldn't as long as you disable all other dhcp servers on your lan
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| 20:08 | sure
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| 20:08 | <roasted> although flash works moderately well in my work environment (it has limitations if you dump 20 sy stems on youtube though)
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| 20:08 | <Lns> i've set up ltsp in a bunch of different school/after school labs
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| 20:08 | <vagrantc> sadly, a lot of school stuff is implemented in flash these days
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| 20:08 | <Lns> yeah, very sad indeed
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| 20:08 | <roasted> I meant in regard to office documents and internet research
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| 20:09 | besides, isn't that waht localapps are for? (even though I have yet to cross that bridge at work)
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| 20:09 | <vagrantc> roasted: did you ever figure out the time syncing issues?
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| 20:09 | <roasted> vagrantc, nah. we talked late friday night, so I let it go till monday.
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| 20:10 | <vagrantc> ah
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| 20:10 | <roasted> vagrantc, I talked to another user on the forums who said it took 3 horus for his time to sync.
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| 20:10 | So I choked it up to that and I'll see what monday brings.
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| 20:10 | <vagrantc> might be the amount of time for the server to trust itself
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| 20:10 | <roasted> Who knows. I just had higher than normal expectations of this time situation. I just didn't think time would take that long.
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| 20:10 | Ya know?
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| 20:11 | It just didn't make sense to me till I learned more about it through a ton of reading this weekend.
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| 20:11 | Like for how quick it is for me to manually change the time I just thought to sync it, it would be equally easy. Even though you guys were saying it would take a while I just didn't think it'd take THAT long.
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| 20:11 | Lesson learned. :P
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| 20:12 | I must say I was very impressed with what my server could handle when I tried to kill it on friday though.
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| 20:13 | Two dual core 2.66ghz procs (4 cores total then), 14gb of RAM, a single GB network card. running thin clients to 30 systems.
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| 20:13 | I had Word/Excel/Powerpoint open, firefox, gimp, inkscape, audacity, vlc, on every single box. I was also screaming from every single box too. Server specs did great though. 10gb RAM used at peak and the proc, while busy, wasn't flat-lined @ 100% like I thought it'd be.
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| 20:14 | streaming* not sure why I said screaming??
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| 20:14 | <alkisg> roasted: https://help.ubuntu.com/community/UbuntuLTSP/ProxyDHCP ==> for cheap routers that don't send boot filename etc, we use it on all schools here
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| 20:15 | <roasted> streaming was hit or miss. our educational site we use with flash did great, but some CNET videos were laggy as all hell. Really makes me want to look into FF/Flash as a local app.
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| 20:15 | thanks alkisg. I was just toying with the idea of this in a home environment down the road, ya know?
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| 20:15 | <alkisg> Sure, it's even simpler this way
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| 20:15 | <roasted> I think I'd rather give the kids "just" what they need instead of top end boxes. They can get a job when they're old enough and buy their gaming rig if they wish. :P
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| 20:16 | Plus I'd rather have 2 or 3 thin client boxes eat 100w of electricity instead of 2 or 3 gaming rigs eating 750w each.
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| 20:16 | <alkisg> Haha I'm sure when they're 20 years old they'll start with tuxpaint
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| 20:16 | <roasted> 100w TOTAL that is
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| 20:16 | hahaha, that'd be interesting.
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| 20:16 | alkisg, you work in a school, right?
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| 20:16 | <alkisg> Yup
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| 20:16 | <roasted> Do you by chance know of any forums where IT people from schools yack about and talk and such?
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| 20:17 | Since school environments are so different from regular IT environments I've had trouble trying to find areas to just bum ideas around with other school IT folk
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| 20:18 | <alkisg> I don't know, some people use the edubuntu mailing list. Locally, I have a forum for that, it has 6 million page hits or so... I'm not sure if all the teachers would be able to participate in an english forum
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| 20:18 | <roasted> I see. I was just curious if you knew of anything offhand.
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| 20:19 | I'm a big forum junkie. I enjoy BS-ing with others on tech sites but sometimes I feel like the odd man out being in a school since nobody can directly relate.
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| 20:40 | <Lns> roasted, at least in california there's the cetpa edtech mailing list you can subscribe to
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| 20:41 | <roasted> Lns, do you work in a school as well?
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| 20:42 | <Lns> no, i've worked for schools though
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| 00:00 | --- Sun Apr 10 2011 | |