IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 23 February 2019 (all times are UTC)
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| 17:17 | <umhello> G'day everyone. I am having some issues. I installed LTSP and built a client, but on PXE boot I get an error. Can anyone help? pic related: https://i.imgur.com/2ixxbO0.png
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| 17:20 | <alkisg> umhello: distro/version/howto that you followed?
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| 17:20 | Start with: sudo ltsp-info | nc termbin.com 9999
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| 17:22 | <umhello> 18.04 lts
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| 17:22 | the official tutorial was followed
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| 17:22 | except with the option of --fatclient-desktop lubuntu-desktop in ltsp-build-client
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| 17:23 | the command says No LSB modules are available.
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| 17:23 | <alkisg> The command also says a termbin.com/qwer url
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| 17:23 | That's what is needed
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| 17:23 | <umhello> ah yes one sec
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| 17:23 | https://termbin.com/5rly
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| 17:24 | <alkisg> OK first of all you don't have the ppa in your chroot
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| 17:24 | ltsp-client 5.5.10-1build1
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| 17:24 | ltsp-server 5.18.04+t201809080524~ubunt
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| 17:25 | <umhello> yeah I think I might not have it is that a problem
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| 17:26 | <alkisg> Yes
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| 17:26 | But not the one you show in the screenshot
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| 17:26 | Did you run all the steps, configure dnsmasq and all?
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| 17:26 | Are you using proxydhcp or read dhcp?
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| 17:26 | Describe your setup a bit more
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| 17:27 | *real
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| 17:28 | <umhello> so uh just now I did the ltsp-config dnsmasq--noproxy-dhcp thing with the wget
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| 17:28 | from the tutorial
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| 17:28 | and restarted network-manager
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| 17:28 | same error still
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| 17:29 | also I kinda have no idea what the diff between proxydhcp and read dhcp is
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| 17:29 | but basically what my setup is
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| 17:30 | so I have this server on digitalocean (which I connect to directly through openvpn, allowing for dhcp)
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| 17:30 | and I need to use a virtualbox machine to use it for pxe boot
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| 17:30 | the dhcp technically works since it's not endlessly loading but I see the error
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| 17:30 | but the fact the error is a thing is a problem :D
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| 17:35 | any ideas on what could be done :/
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| 17:42 | alkisg?
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| 17:48 | any other information I could supply that could help?
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| 17:51 | also offtopic but when will the website be back up
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| 17:58 | <alkisg> umhello: I didn't understand your setup
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| 17:58 | You have a remote server and a VM client inside that remove server?
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| 17:59 | Why don't you test ltsp locally first, so that you understand how it works, before trying fancy stuff?
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| 17:59 | <umhello> yeah I think I kind of realized I might of messed up the pxe part by using nat
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| 18:26 | currently wondering though
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| 18:26 | it is possible to use ltsp on a remote server right
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| 18:27 | like, have a computer from another ip connect to a server with ltsp and use it as a fat client
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| 18:28 | <alkisg> umhello: this makes no sense, you need lan bandwidth for that
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| 18:28 | Use x2go or rdp for remote servers
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| 18:29 | If/when houses get gbps connections to the internet, then it might be doable
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| 18:32 | <umhello> so x2go can be then used for a fat client like setup right
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| 18:32 | cause basically I'd need to have remote fat clients, and been thinking if that can be done with ltsp
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| 18:33 | <alkisg> umhello: do "fat clients" mean "netbooted operating system" for you?
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| 18:34 | x2go is "remote desktop, from a local disk/os to a remote pc"
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| 18:34 | What do your clients have? E.g. if they have windows already, then use x2go/rdp, not ltsp
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| 18:35 | Describe your hardware and the connections involved. How many clients, how many servers, how many users, bandwidth, existing OS etc
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| 18:38 | <umhello> well kind of. the idea was to use virtual machines that could connect to the server with ltsp since it allows for having each user access their files on the vm and also have the list of applications and stuff like that they would have centralised
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| 18:39 | so a netbooted os that would be used as a fat client is a nice thing to have
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| 18:53 | <alkisg> umhello: so you're playing with some idea, or are you trying to deploy something specific to your computer labs etc?
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| 18:54 | <umhello> both really
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| 18:55 | <alkisg> OK, please answer the questions above then...
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| 18:55 | How many users, bandwidth, etc etc
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| 18:56 | I answered the idea part, "bad idea", but maybe something in your specific situation isn't exactly like I think it is, and it might help you
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| 18:57 | <umhello> bandwidth - 1 tb on the server per month for now but that's because it's in testing. the internet is pretty fast here so that's not a problem
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| 18:58 | users - at the moment a few, but would be increased into 10+ later. the idea was basically to use this as a working environment
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| 18:58 | like, remote work environment.
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| 19:06 | <alkisg> is your internet speed 100 mbps? 10 mbps? 1000 mbps?
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| 19:08 | <umhello> ~100 if connected to the server over vpn
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| 19:11 | <alkisg> umhello: how are the clients going to boot over vpn?
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| 19:11 | They need an OS first, to get vpn
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| 19:12 | <umhello> well, the idea was to use virtual machines as the working environment
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| 19:12 | so the host os would be connected to the vpn
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| 19:15 | <alkisg> If you already have an OS, why on earth would you NETBOOT another os?
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| 19:15 | Instead of just remote desktoping into it?
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| 19:15 | What is the host os, windows, linux?
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| 19:17 | <umhello> remote desktoping into it would be more resource intensive for the server though
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| 19:19 | <alkisg> You'd need 1 gbps ram per client or so
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| 19:21 | Imagine this
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| 19:21 | Loading libreoffice needs 150 mb
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| 19:21 | That's megabyte, not megabits per second or anything else
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| 19:21 | So, suppose that 10 users need to open libreoffice
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| 19:22 | That means that they'd need to download 1.5 GB from your server
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| 19:22 | Time it. In how much time can your server send 1.5 GB? E.g. in 1 minute?
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| 19:22 | Is it acceptable for libreoffice to open in 1 minute?
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| 19:22 | Then ok
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| 19:23 | I think that you'd need a script for local synching of the VM
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| 19:23 | That way, your / would be local, and your /home remote
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| 19:23 | That would save a lot bandwidth, and would be rather acceptable
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| 19:27 | <umhello> ~1 min
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