IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 14 September 2022 (all times are UTC)
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| 11:09 | <Guest0> Hello everybody, I got a question on ltspclient for moyOS. Is it possible to connect to ltsp terminal server viy imac with macOS
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| 11:09 | typo vij=via
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| 11:23 | * alkisg has never even seen macOS | |
| 11:29 | <Guest0> Does the clienside need a booted linux image?
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| 11:29 | <alkisg> No, it only needs netbooting ability, e.g. bios pxe or the ipxe.org software
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| 11:30 | I think they have used x86 architecture with uefi at some point, tha should be easy to netboot if it's not otherwise locked
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| 11:30 | <Guest0> but what kind of software gets started on client side. i know what netbooting or pxe is.
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| 11:31 | <alkisg> Check the site I mentioned, ipxe.org
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| 11:31 | It's a small program like a boot manager that loads the kernel/initrd over the network
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| 11:31 | Then its role is finished and the kernel takes over
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| 11:32 | <Guest0> The problem is, that the imac has bad linux graphics support. I insatlled a ubuntu workstation. but it does not support modern graphics
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| 11:32 | <alkisg> The same thing will happen if you netboot it then
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| 11:32 | LTSP is diskless Linux
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| 11:33 | A completely different approach would be to boot macos and use remote desktop to connect to some linux server
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| 11:33 | <Guest0> diskless linux on both sides? server and client?
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| 11:33 | <alkisg> That's remote desktop,and it's unrelated to ltsp
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| 11:33 | No, the server has a disk
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| 11:35 | <Guest0> ok, now i understand. Has ltsp somthing todo with nomachine or is nomachine commercial.
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| 11:35 | <alkisg> nomachine is commercial remote desktop, it's unrelated to ltsp
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| 11:35 | LTSP is if you want to maintain one installation and boot any number of diskless machines from the same template image
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| 11:35 | It saves disks and administration effort
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| 11:36 | Remote desktop requires a local disk and operating system; ltsp doesn't
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| 11:36 | <Guest0> How does ltsp handle the different hardware on the clients. Do they make several images for the different machines or do they pack multiple drivers into one image?
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| 11:37 | <alkisg> It's like an ubuntu live cd; linux live cds have all the drivers on it
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| 11:37 | <Guest0> I have knowledge to windows terminal server and thin clients. At home i only use linux server and workstations.
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| 11:38 | So it is for environment with only slightly diffeing hardware clients.
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| 11:43 | The first versions seemed to use the xserver protocol. In witch way does the graphic transmission happen today. Like rdp, spice or vnc.
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| 11:53 | Oh, just so an article in german that mentions that it uses its own windows manager and went from xdcmp to ssh-x transmission.
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| 11:53 | typo so=saw
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| 11:56 | <alkisg> Imagine putting a live cd into a file server
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| 11:56 | Then, booting 1000 clients from the same live cd
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| 11:56 | Do they need to have similar hardware? NO.
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| 11:57 | Do they need to have the same architecture? Yes.
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| 11:57 | If you want to boot different architectures (e.g. x86 32bit, 64bit, arm, powerpc) you'd need one livecd (ltsp image) for each architecture
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| 11:57 | <Guest0> only if you provid plug and play hardware detection and the necessary amount of drivers
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| 11:57 | <alkisg> Other than that, the client hardware doesn't matter, it can be anything as long as it can boot linux
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| 11:57 | That plug and play is default in any linux distribution nowadays
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| 11:58 | Everything works out of the box
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| 11:58 | Otherwise live cds wouldn't exist
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| 11:58 | LTSP doesn't transmit any kind of screen. Everything runs locally on the client. Only the disk is remote
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| 11:59 | So instead of "live cd" or "live usb", it's "live network disk image"
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| 11:59 | <Guest0> Your right, but the live cd on my mac does not work, because the graphics card is shitty diferent in firmware from apple.
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| 12:00 | <alkisg> That's a linux matter, it's not an ltsp matter
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| 12:00 | LTSP makes linux run over the network, it doesn't provide anything more
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| 12:00 | If you have one client, there's no need to use ltsp
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| 12:00 | LTSP is for multiple clients
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| 12:03 | <Guest0> I have already understood, that ltsp is not the right solution for my usecase, but im interested in the technology. I ticled arroun with several remote solutions and multiple virtual machines, (aswell a different usecase)
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| 12:04 | <DouglasGiovaniOe> alkisg: I love LTSP, its fantastic, save money, support, no disks needed, easy administration, all works fine
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| 12:04 | <alkisg> 👍️
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| 12:05 | <Guest0> I have a final Question How does ltsp handle wayland. I thought the graphics is running on the server and only transmitts the compressed content to a client.
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| 12:05 | <alkisg> Everything runs locally, so wayland also runs locally. LTSP doesn't need to handle graphics at all.
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| 12:06 | If you read OLD articles about LTSP, they may confuse you with thin clients and remote desktop and XDMCP stuff. That's no longer the case
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| 12:06 | <Guest0> Did they change that from the first versions?
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| 12:06 | <alkisg> LTSP now is about network booting, and anyone that wants remote desktop can just install one application on top of LTSP
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| 12:07 | Yes, LTSP5 defaulted to fat clients, while since 2019 the new LTSP doesn't handle graphics at all
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| 12:07 | <Guest0> Oh thanks, now I understand. Thanks for your patience.
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| 12:07 | <alkisg> The initial LTSP was developed at a time when remote xorg made sense. Now it doesn't; tools like xrdp and x2go are needed instead
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| 12:08 | So LTSP doesn't bother with these; anyone that needs them can just install them
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| 12:09 | <Guest0> Seems, I need a big trash bin for my imac ;-)
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| 12:10 | <alkisg> 🚮
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| 12:11 | <Guest0> Thanks for the explanations and goodbye.
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| 12:12 | <alkisg> Good by!
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| 12:12 | * Goodbye!
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| 12:18 | <DouglasGiovaniOe> only pfsene and ipxe are ugly and hard to works together hehehehe
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| 12:24 | * DouglasGiovaniOe uploaded an image: (8KiB) < https://libera.ems.host/_matrix/media/r0/download/matrix.org/cgOBmJtJQLqoBAfAeOgOsaWM/ltsp-tela9-24-13.png > | |
| 12:25 | <DouglasGiovaniOe> what the file name of boot file ltsp server?
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| 12:25 | please?
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| 13:58 | <alkisg> Douglas Giovani Oechsler: read the "filename" lines in this page: https://ltsp.org/guides/isc-dhcp-server/
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| 13:59 | As I said, pfsense is dumb and cannot do multiple filenames using "if" commands
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| 14:20 | <DouglasGiovaniOe> I am in the pfsense forum and other guy tell me to follow the same link that you show me heheheheheh. Thank you! Lets go! This will need work hehehe and thank support and patience
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| 14:26 | <alkisg> Douglas Giovani Oechsler: if the solution was like 10-minutes-easy, I would have given it to you already; I already have more work than I can handle, I'm not looking for customers.
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| 14:26 | Pfsense is dumb, it'll probably require the solution I mention to the github discussion I gave you yesterday
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| 14:28 | <DouglasGiovaniOe> no problem. Thanks all.
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