IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 27 May 2016 (all times are UTC)
| 01:19 | rac_ has joined IRC (rac_!71148af6@gateway/web/freenode/ip.113.20.138.246) | |
| 01:19 | <rac_> ltsp client often does not respond, because the specifications of the client computer is too low,
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| 01:19 | what LTSP client computer may still read the specifications of the computer server not the client computer specs
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| 01:20 | I experienced this problem, anyone can help?
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| 01:29 | <sbalneav> What kind of client do you have?
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| 01:31 | <rac_> What does it mean ? I apologize new users LTSP
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| 01:32 | many that I can not understand about ltsp
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| 01:32 | LTSP PNP
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| 01:32 | <sbalneav> What kind of computer do you have for the client?
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| 01:32 | What processor?
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| 01:32 | How much memory?
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| 01:32 | etc.
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| 01:40 | <rac_> memory : 1G
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| 01:41 | Processor : AMD Sempron 145,
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| 01:42 | spec on the client
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| 01:42 | <sbalneav> What desktop are you running?
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| 01:44 | <rac_> gnome-flashback-metacity
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| 01:44 | <sbalneav> rac_: If you want me to help you, you need to answer a bit faster, as I'm pushed for time.
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| 01:45 | I'd say at a minimum you need more memory.
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| 01:45 | Your processor's 2.8 gig, but only one core. Depending on what you're doing, it may be ok.
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| 01:46 | Consider running a lighter-weight desktop, like XFCE or Mate Desktop.
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| 01:46 | Those are my suggestions.
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| 01:48 | <rac_> what might be on the client computer ltsp reading specs on the server
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| 01:48 | so do not have to use the spec high in client
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| 01:49 | <sbalneav> You'd have to run the programs on the server
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| 01:49 | Have them display on the client.
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| 01:49 | That's how I run LTSP.
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| 01:50 | Mate Desktop runs on the client, but Firefox, Icedove, and Libreoffice run on the server.
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| 01:50 | <rac_> because too many low-spec computers in my place, so I might not upgrade all computers
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| 01:51 | LibreOffice, Firefox, google Chrome, Thunderbird,
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| 01:51 | I run in the client program LTSP
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| 01:51 | <sbalneav> That's probably why things are slow, with only 1 gig of ram.
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| 02:03 | <rac_> but on my server using a 16G Ram
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| 02:04 | <sbalneav> How many clients?
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| 02:04 | <rac_> 10 Client
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| 02:05 | <sbalneav> So, run the 4 main programs on the server then.
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| 02:06 | <rac_> yes
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| 02:06 | what might be on the client computer ltsp reading specs on the server
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| 02:07 | <sbalneav> I don't know what you mean.
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| 02:12 | <rac_> so the client computer does not read the spec client computer, but read the computer server spec
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| 02:14 | <sbalneav> just ssh into the server
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| 02:14 | <rac_> before I ever use in Ubuntu LTSP 10.04Lts, but on the client computer reads the computer server spec
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| 02:15 | https://fieyanh.blogspot.co.id/2012/07/cara-sederhana-dan-mudah-install-ltsp.html
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| 02:15 | this tutorial
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| 02:16 | <sbalneav> Yes, if you have a *thin* client, you'll see the server's spec.
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| 02:16 | But you're running PNP, so you're running as a fat client.
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| 02:16 | So you're seeing the client's spec.
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| 02:17 | <rac_> how to be using the thin client
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| 02:17 | <sbalneav> ... set up the server as a thin client server :D
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| 02:17 | i.e. don't use PNP :D
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| 02:18 | <rac_> is there a tutorial
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| 02:18 | <sbalneav> Sure, at LTSP.org
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| 02:19 | I gotta run.
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| 02:20 | cya
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| 02:21 | <rac_> more spesifik tutorial,
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| 02:25 | I never use the tutorial ltsp thin client, but when booting client error "TFTP Time Out"
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| 02:26 | What this problem ?
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| 02:27 | PXE-E11 : ARP timeout PXE-E38 : ARP timeout PXE-M0F TFTV cannot open Connection
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| 07:44 | <aaran> Hi, I am looking for up to date information on setting up a diskless environment, I can find documentation on thin client environments but not diskless environments, can anyone help out with this? Thanks
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| 07:47 | <alkisg> aaran: what's the difference between thin and diskless in your view?
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| 07:47 | !ltsp-pnp
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| 07:47 | <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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| 07:47 | <alkisg> This is a good guide, if it fits your needs. What are your requirements?
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| 07:47 | <aaran> Hi, thin would be using the server for computational power
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| 07:48 | diskless would be using the local hardware
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| 07:48 | <alkisg> OK we call that "ltsp fat clients" here
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| 07:48 | ltsp-pnp supports both thin and fat clients automatically
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| 07:48 | Old computers use the server ram/cpu, newer (more than 400 MB RAM by default) use their own
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| 07:49 | <aaran> ohhh ok, let me read up on this then
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| 07:49 | thanks for the info
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| 07:49 | <alkisg> np
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| 07:50 | aaran: btw, how many clients, what specs (cpu/ram), which distro do you want to use?
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| 08:30 | <aaran> around 200 clients (imacs) in a triple boot windows/linux/osx configuration
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| 08:30 | Distro would be either centos or ubuntu not sure which yet that needs more research
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| 08:47 | <alkisg> aaran: if you choose to use ltsp, go for ubuntu, because there's no centos maintainer for ltsp
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| 10:32 | <aaran> alkisg: I noticed that you are listed as the maintainer of https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp , is that page still up to date?
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| 12:22 | <alkisg> aaran: yup, it's up to date. I'm also an ltsp developer btw.
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| 12:50 | <foo1> hi
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| 12:52 | someone who did overcome an tftp open timeout?
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| 13:23 | <testo> hi all :)
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| 13:23 | need an hint.. LTSP on centos server, client boot ok , i get to ldm
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| 13:24 | when i login with a previously created user (on the server) i got a : ltsp-localappsd Unknown user in client messages
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| 13:24 | and ldm on client restart
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| 13:57 | <foo1> hi?
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| 13:58 | ok i solved tftp timeout, im dealing now with pxelinux, he cant find ldlinux.c32
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| 14:19 | <budgee> Using the ltsp-pnp instructions on 16.04 MATE:
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| 14:19 | root@server:~# ltsp-client ldm-ubuntu-theme
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| 14:19 | ltsp-client: command not found
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| 14:19 | root@server:~# ltsp-client ldm-ubuntu-theme
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| 14:19 | ltsp-client: command not found
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| 14:19 | (woops)
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| 14:28 | <sbalneav> budgee: dpkg -l | grep ltsp
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| 14:54 | <budgee> root@server:~# dpkg -l | grep ltsp
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| 14:54 | ii ltsp-client 5.5.7-1 i386 complete LTSP client environment
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| 14:54 | ii ltsp-client-core 5.5.7-1 i386 basic LTSP client environment
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| 14:54 | ii ltsp-docs 1.2-1 all LTSP Documentation
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| 14:54 | ii ltsp-server 5.5.7-1 all basic LTSP server environment
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| 14:55 | ii ltsp-server-standalone 5.5.7-1 all complete LTSP server environment
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| 14:55 | ii ltspfs 1.4-2 i386 Fuse based remote filesystem for LTSP thin clients
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| 14:55 | ii ltspfsd 1.4-2 all Fuse based remote filesystem hooks for LTSP thin clients
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| 14:55 | ii ltspfsd-cor
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| 14:55 | ii ltspfsd-core 1.4-2 i386 Fuse based remote filesystem daemon for LTSP thin clients
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| 14:55 | ii ltspfsd-core 1.4-2 i386 Fuse based remote filesystem daemon for LTSP thin clients
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| 15:01 | root@server:~# /usr/share/ltsp/update-kernels
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| 15:01 | Skipping yaboot configuration. install yaboot package if you need it.
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| 15:01 | When I followed the ltsp-pnp instructions on amd64, these errors did not happen
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| 15:02 | <alkisg> budgee: see the wiki page:
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| 15:02 | !ltsp-pnp
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| 15:02 | <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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| 15:02 | <alkisg> Nowhere there does it say to run an "ltsp-client" command
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| 15:03 | <budgee> alkisg: I have no idea where the heck that came from
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| 15:05 | alkisg: scrap that, I know exactly where it came from
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| 15:05 | <alkisg> budgee: if you have an issue with your ltsp installation, you should probably ask again from the start; I've no idea what your issue is
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| 15:06 | Are you trying to run an ltsp-client command? (that doesn't exist...)
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| 15:06 | <budgee> alkisg: somehow introduced a linebreak at ^ in : apt-get --yes --install-recommends install dnsmasq ltsp-server-standalone ^ ltsp-client ldm-ubuntu-theme
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| 15:06 | <alkisg> Ah
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| 15:07 | <budgee> alkisg: any idea why this command "/usr/share/ltsp/update-kernels" produced this error:
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| 15:08 | root@server:~# /usr/share/ltsp/update-kernels
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| 15:08 | Skipping yaboot configuration. install yaboot package if you need it.
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| 15:08 | Skipping etherboot images. Install the mkelfimage package if you need them.
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| 15:08 | <alkisg> Those are notices, not errors
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| 15:08 | <budgee> Oh right
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| 15:08 | Moving on then...
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| 15:09 | I used the first of the two dnsmasq fixes - crazy the approach that maintainers have taken to that issue - you've bene fighting the good fight there
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| 15:10 | <alkisg> A losing fight, but oh well at least we have workarounds :)
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| 15:11 | <budgee> alkis: currently building image, all going well.
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| 15:15 | <aaran> hi, trying to run apt-get install epoptes as shown the in ltsp-pnp guide is failing due to the dns
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| 15:15 | is that where the "DNS issues" section comes in?
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| 15:18 | <alkisg> aaran: if you can't ping www.google.com, then follow the steps to fix your dns
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| 15:18 | <aaran> Yep, I did I chose the 2nd method
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| 15:18 | <alkisg> Installing epoptes is usually done before dns breaks...
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| 15:19 | And your dns is still broken?
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| 15:19 | <budgee> aaran: copy/paste of the first method's block of commands worked a treat for me.
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| 15:19 | <aaran> Nope its fixed now thanks
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| 15:19 | <alkisg> OK
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| 15:19 | I've recently tested both methods in 16.04, they shouldn't have any issues
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| 15:20 | <aaran> Ok, regarding the line "Also, it's suggested that you install on your server any programs that you want to make available to fat clients. " what is the reasoning behind this? and if I wanted to serve up a desktop would I need to install one on the server too?
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| 15:20 | <alkisg> In ltsp-pnp, the server is a template client
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| 15:21 | It has all the things that you want them to appear in fat clients
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| 15:21 | And as it says, you start using the desktop iso
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| 15:21 | So you already have a desktop environment...
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| 15:22 | <aaran> yeah, I was just messing around with an install of the only img I had burnt to a dvd which was a ubuntu server, but I will try using a desktop later
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| 15:23 | <alkisg> Then you'll need to e.g. install ubuntu-mate-desktop in it
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| 15:23 | And run ltsp-update-image again
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| 15:25 | <aaran> Im doing that right now :)
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| 15:58 | <budgee> Is this to be ignored as a warning as well?
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| 15:58 | root@server:~# xdg-open /var/lib/tftpboot/ltsp/i386/lts.conf
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| 15:58 | Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/%{ <-- HERE (.*?)}/ at /usr/bin/run-mailcap line 528.
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| 17:20 | <||cw> budgee: not ltsp related, but a mailcap. appears fixed in debian, if it's cauing issues open a bug report in launchpad
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| 19:48 | <sbalneav> Well, as of a few minutes ago, pam_external acheived pam completeness. I've got all pam functions represented. It should be possible to write a complete pam module as a set of scripts in any scripting language you choose.
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| 19:50 | <||cw> interesting
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| 19:51 | <sbalneav> Or, of course, as compiled programs in the language of your choice.
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| 20:46 | <sbalneav> https://code.launchpad.net/~ltsp-upstream/+git/pamexternal-sshauth
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| 21:32 | <alkisg> sbalneav: how does that work? Is it a standalone python script, that works as a pam module, and allows us to run scripts during the auth phase etc?
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| 21:34 | Ah no that was the external plugin :)
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| 21:39 | * alkisg reads https://github.com/sbalneav/libnss-external ... | |
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| 22:32 | <sbalneav> alkisg: No, that's the pam plugin
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| 22:33 | pam-external + that script = 80% of pam-sshauth
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| 22:33 | I can do the remaining 20%
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| 22:33 | And then I'll do even more :D
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