IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 12 June 2021 (all times are UTC)
| 05:42 | ltspbot has joined IRC (ltspbot!~supybot@devs.ts.sch.gr) | |
| 05:42 | <alkisg> !ltsp.conf
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| 05:42 | <ltspbot> ltsp.conf: Configuration file for LTSP: https://ltsp.org/man/ltsp.conf/
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| 05:43 | <alkisg> Search for "Multiseat" inside that page
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| 05:43 | <import> ok
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| 05:43 | <alkisg> Essentially, it just works, you don't need to do anything at all
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| 05:43 | These lines in ltsp.conf are only for advanced scenarios, they're not even needed for the simple case
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| 05:44 | <import> multiseat mean that each client support 2 monitor, 2 keyboard, 2 mouse?
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| 05:46 | <alkisg> Right. Two (or more) monitors per box
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| 05:47 | 2 keyboard, 2 mice, 2 persons
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| 05:47 | <import> :O
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| 05:49 | I should look a mother board with 2 or more vga or hdmi ports and severals usb ports
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| 05:50 | <alkisg> No
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| 05:50 | It needs an extra graphics card, with 15 euros from ebay
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| 05:50 | So if a PC costs 300 for the box and 100 for the peripherals, in multiseat ltsp you need 250 for one box (you exclude the disk cost), plus 200 for the peripherals, plus 15 for the graphics card
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| 05:51 | I.e. instead of 800 for two seats, you need 475
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| 05:51 | <import> :O
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| 05:51 | <alkisg> For raspberries, you'd need 2*200 = 400. Small difference, for a lot better result.
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| 05:54 | E.g. https://www.ebay.com/itm/294151979813
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| 06:10 | <import> how much memory and cpu should clients have to multiseat?
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| 06:22 | <alkisg> It depends on what they run
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| 06:23 | If we assume that a normal user in a normal PC needs 4 GB RAM, then LTSP multiseat needs 7 GB, as some is shared
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| 06:24 | The CPU usually isn't a big problem, if it's a recent dual core etc pc. Don't buy atoms though.
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| 06:33 | The added benefit of multiseat vs rasbperries, is that if rpis get old, you throw them away; while for multiseat PCs, you just remove the graphics card and use them as single seat for a few years more
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| 06:34 | <import> APU Integrado AMD E1-6010 CPU is well for clients?
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| 06:36 | this include hdmi and vga port
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| 06:36 | <alkisg> https://www.cpubenchmark.net/cpu.php?cpu=AMD+E1-6010+APU&id=2308
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| 06:36 | <import> ?searchVariation=82869784381#searchVariation=82869784381&position=31&search_layout=grid&type=item&tracking_id=6d68fafc-0028-4f08-b6a8-82d505fbb1eb
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| 06:36 | <alkisg> 540 passmark
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| 06:36 | Recent PCs have > 5000
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| 06:36 | <import> ?searchVariation=82869784381#searchVariation=82869784381&position=31&search_layout=grid&type=item&tracking_id=6d68fafc-0028-4f08-b6a8-82d505fbb1eb
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| 06:37 | https://articulo.mercadolibre.com.mx/MLM-911862586-kit-de-actualizacion-biostar-amd-cpu-e1-6010-memoria-4gb-_JM?searchVariation=82869784381#searchVariation=82869784381&position=31&search_layout=grid&type=item&tracking_id=6d68fafc-0028-4f08-b6a8-82d505fbb1eb
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| 06:38 | <alkisg> Get an i3 or ryzen, not atoms etc
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| 06:38 | At least 2000 or 3000 passmark score
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| 06:39 | <import> ok
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| 06:39 | and server?
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| 06:39 | <alkisg> How many clients?
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| 06:40 | <import> 10
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| 06:40 | <alkisg> An i3 with an ssd disk for the server
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| 06:41 | Also buy a second network card (=10€) to make things a bit faster
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| 06:41 | 10 clients means 20 seats, right?
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| 06:42 | <import> 5 clients 10 seats
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| 06:42 | <alkisg> OK
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| 06:42 | Buy 6 i3 computers, even refurbished are OK, with 8 GB RAM. One of them will be the server.
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| 06:46 | You don't need a second network card for only 10 seats
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| 06:46 | <import> ok
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| 06:47 | I need look refurbished supplier
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