IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 5 March 2016 (all times are UTC)
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| 04:53 | <Arne> #grml
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| 05:53 | <Guest66051> hi
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| 05:53 | <alkisg> Hello
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| 05:54 | <Guest66051> what is difference between ltsp and vm
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| 05:55 | <alkisg> A Virtual Machine is a way to install and test an operating system in a virtual computer, virtualbox, vmware etc
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| 05:56 | LTSP is a way to netboot many computers from a single imager
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| 05:56 | *image
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| 06:00 | <Guest66051> In ltsp client desktop uses own resources or server resources.
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| 06:00 | <alkisg> You can select that with one line in a configuration file
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| 06:00 | <Guest66051> ok
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| 06:00 | <alkisg> LTSP_FATCLIENT=True or False in lts.conf
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| 06:01 | !ltsp-pnp
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| 06:01 | <ltsp> ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
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| 06:01 | <alkisg> This is the easiest way to test ltsp
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| 06:48 | <gehidore> what might one suggest for thin clients to purchase to replace failing p4 boxes... on a budget... USD
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| 06:49 | <alkisg> gehidore: we're using this one: http://www.e-shop.gr/mitriki-asrock-qc5000m-retail-p-PER.528863
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| 06:49 | Use google translate
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| 06:49 | With < 100 euros we have a new system with 1900 passmark score
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| 06:49 | It's an all-in-one motherboard, cpu included
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| 06:50 | <gehidore> alkisg: looking now, asrock has really moved up in the world, they used to be such shit
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| 06:50 | <alkisg> Add some RAM to the mix, reuse the existing p4 case...
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| 06:51 | <maldridge> my only complaint with asrock is they seem to continually have buggy BIOS software
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| 06:52 | <gehidore> tbh I'm tempted to just shell out on a bunch of rpi2's but... meh
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| 06:52 | likely my budget will end up @ 600USD or less
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| 06:52 | <alkisg> To compare, rpi2s will be slower than your old p4
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| 06:52 | <gehidore> for 5-6 machines
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| 06:52 | aye the problem I'm having is the hardware actually failing
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| 06:53 | <alkisg> Something like <200 passmark score, compared to the 1900 of that asrock motherboard
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| 06:53 | <maldridge> ouch, what about used?
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| 06:53 | <gehidore> impressive alkisg
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| 06:53 | would those do fatclients well?
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| 06:53 | <alkisg> Of course, they'd even work as LTSP servers
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| 06:53 | <gehidore> which is what I'm thinking I want to do otherwise my budget will go to beefing the pxe server and do thin clients...
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| 06:54 | current server is some amdx2 box from probably 04 or 06
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| 06:54 | first or second dual core amd box
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| 06:54 | <alkisg> Check its passmark
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| 06:54 | I'm guessing it's lower than 1000
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| 06:54 | <gehidore> lemme ssh the bugger
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| 06:58 | an't say I've ever used passmark
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| 06:59 | <alkisg> gehidore: less /proc/cpuinfo
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| 06:59 | <gehidore> oh just compare to the site
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| 06:59 | <alkisg> And google the cpu name with just "passmark" to the right
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| 06:59 | Right
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| 06:59 | The good thing with it is that when you see "1900" for a cpu, and "190" for another, it's actually 10 times faster
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| 06:59 | <gehidore> http://www.cpubenchmark.net/cpu.php?cpu=AMD+Athlon+64+X2+Dual+Core+3800%2B heh damn close
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| 06:59 | <alkisg> It's not just "a bit faster", you get a real feeling of the difference
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| 07:00 | OK, so those boxes will be twice as fast as your server
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| 07:00 | <gehidore> it's newer than I thought it was
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| 07:00 | one of those things someone was tossing out so I nabbed it as we're a genuine non-profit
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| 07:02 | damn alkisg those are some nice little machines
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| 07:03 | 55USD
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| 19:13 | <tharkun> I'm setting up pxe to boot some machines through the network, Since this machines have ailing hdds I thought of a server side solution to have them running. Is ltsp my way to explore or am I lost?
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| 19:13 | <alkisg> Sure, ltsp can help there
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| 19:13 | !ltsp-pnp
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| 19:13 | <ltsp> ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
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| 19:13 | <alkisg> Here's an easy way to install it ^
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| 19:14 | <tharkun> alkisg: Thanks I'll read it and come back to bug later.
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| 19:14 | <alkisg> ok
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| 19:15 | <tharkun> Is a graphical environment required at the server?
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| 19:15 | <alkisg> No, but it's easier if you have one there
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| 19:15 | <tharkun> Ok
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| 19:15 | <alkisg> What are your client specs? cpu/ram?
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| 19:16 | <tharkun> old/small
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| 19:16 | and older/smaller.
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| 19:16 | <alkisg> Like pentium 4 with 256 ram?
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| 19:16 | <tharkun> pentium 4 with 512mb even a pentium 3 with 256
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| 19:16 | <alkisg> Then you do need a beefy server with graphical environment
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| 19:17 | <tharkun> Ok, What would be my cutoff line where I can spare the new server?
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| 19:17 | <alkisg> How many clients?
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| 19:17 | <tharkun> For the moment like 10
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| 19:18 | <alkisg> Then you'd need something with 8 GB RAM and about 4000 score in passmark
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| 19:18 | <tharkun> passmark?
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| 19:18 | <alkisg> Your clients are not good enough to run linux locally, so they'll work better as ltsp thin clients, with a good server
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| 19:19 | it's just a web site that has cpu scores
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| 19:19 | E.g. here's a cpu: http://www.cpubenchmark.net/cpu.php?cpu=Intel+Core+i3-4150+%40+3.50GHz
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| 19:19 | <tharkun> They all do run linux locally. I stream lined the setups so they could work.
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| 19:19 | I have a linux machine that is running on 128Mb ram as an email server
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| 19:19 | <alkisg> Are you satisfied with linux in pentium 3 and 256 mb ram?
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| 19:20 | <tharkun> Those 3 machines were scheduled to be replace last year. But the budget was cut :(
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| 19:21 | <alkisg> Whatever you can run locally, you can also run it via ltsp
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| 19:22 | But graphical recent linux in under 256 MB RAM, will be really slow, while as a thin client it'll work nicely
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| 19:23 | <tharkun> Ok, Can I have a mix of fat and thin clients according to hw capabilities?
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| 19:24 | <alkisg> Sure, it's just one variable to set/unset
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| 19:24 | LTSP_FATCLIENT=True or False
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| 19:25 | <tharkun> Ok. I will start with the fat clients and see if I can replace, canibalize the smaller to get more ram or something.
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| 19:26 | What would be the passmark of a Intel(R) Xeon(TM) CPU 3.60GHz
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| 19:27 | <alkisg> http://www.cpubenchmark.net/cpu.php?cpu=Intel+Xeon+3.60GHz
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| 19:28 | 500 score, that's barely enough for a fat client
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| 19:28 | * alkisg prefers clients over 1000, and new clients over 2000 | |
| 19:28 | <alkisg> ...and servers over 5000
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| 19:29 | <tharkun> That was the server, although it is dual core, not single core.
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| 19:30 | <alkisg> You're seriously underpowered :)
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| 19:30 | <tharkun> I am doing magic.
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| 19:30 | <alkisg> I'd go for windows 2000 with that kind of hardware :)
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| 19:33 | <maldridge> alkisg: what, not the enterprise power of windows NT?
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| 19:34 | * alkisg has a photo of 50 such computers from yesterday, we had a cleaning day at work... | |
| 19:34 | <alkisg> piled up to the ceiling, from pentium 1 to pentium 4
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| 19:34 | <maldridge> ours are arranged in a "throne" of long dead tech
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| 19:43 | <alkisg> https://goo.gl/photos/zXTBJJqwb8tRnxbN6
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| 19:44 | <maldridge> so I have to ask, why is there a leafblower in the box
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| 19:44 | <alkisg> it's not for leaf, it's for spiders inside computer boxes ;d
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| 19:45 | *leaves
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| 19:45 | <maldridge> oh my
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| 19:45 | <alkisg> when schools bring us pcs, the repair procedure starts by removing the spiders
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| 19:46 | in 10% of the cases that's enough to get them working again ;p
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| 20:16 | <maldridge> its that serious of a problem?
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| 20:19 | <alkisg> http://cdn5.thinkcomputers.org/wp-content/uploads/2014/02/the_disgusting_things_found_inside_pcs_04-415x260.jpg
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| 20:20 | Nah, just joking. We do get a lot of dirt, but it rarely makes them malfunction
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