IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 21 October 2017 (all times are UTC)
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| 12:38 | <truth_> Hi, I'm using ltsp-pnp for my family which works great - thanks a lot.
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| 12:38 | Nevertheless, I have the following printer problem:
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| 12:38 | The printer is a network-printer (192.168.14.19) which is not directly connected to the server (192.168.14.1).
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| 12:38 | Unfortunately, I was not able to find a manual on how to make this printer available (Port forwarding ..?) also for the clients (192.168.67.*) ...
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| 12:38 | Is there a web-page describing this problem?
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| 12:55 | <alkisg> !printer
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| 12:55 | <ltsp> printer: Quick how-to: RCFILE_01="/usr/sbin/jetpipe /dev/usb/lp0 9100 &" in lts.conf, reboot client, then go to server's add printer dialog, and specify network printer → jetdirect → ltsp123.local
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| 12:55 | <alkisg> Hmm no foget that
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| 12:55 | truth_: you normally install the printer on the server (add network printer) and then you enable printer sharing via cups and the clients automatically see it
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| 13:11 | <truth_> I'm not sure that I understand your quick how-to:
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| 13:11 | First of all the web-pages I've found (e.g.http://wiki.ltsp.org/wiki/Tips_and_Tricks/Devices#Printer) describe how to connect a printer to the client, right?
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| 13:11 | When I look into the lts.conf example I usually do not see something like RCFILE_01= ...
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| 13:11 | I'm able to user the network-printer (via cups) from the server and the printer is shared to other computers within the subnet 192.168.14.*
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| 13:18 | Ok - I've found the RCFILE command within the manpage of lts.conf ...
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| 13:39 | .
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| 13:39 | I still do not understand this: ... then go to server's add printer dialog, and specify network printer → jetdirect → ltsp123.local
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| 13:39 | I just looked into cups but I couldn't find out what you mean with jetdirect --> ltsp123.local
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| 13:43 | <alkisg> truth_: which desktop environment are you using?
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| 13:44 | truth_: you basically need to do things that are NOT related to ltsp
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| 13:44 | And then the clients will automatically see the printer
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| 13:44 | For example, in mate the dialog is called `system-config-printer`
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| 13:45 | truth_: here is a picture of the dialog: https://www.howtogeek.com/wp-content/uploads/2014/06/ubuntu-print-server-settings.png
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| 13:46 | So you can find the documentation by searching for e.g. "ubuntu add printer"
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| 13:46 | <truth_> My Desktop is Gnome on Debian, sorry for the confusion ...
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| 13:46 | <alkisg> truth_: ok, run system-config-printer then add use the add printer dialog
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| 13:47 | It's in the gnome menus
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| 13:47 | *and then use... meh, typo
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| 13:48 | In other words. FIrst step. Ignore LTSP and install your printer normally.
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| 13:49 | Second step. In the same dialog, there's a "allow printing" check box, check it.
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| 13:49 | Third ltsp, ltsp-related: nothing. LTSP clients will automatically see the printer.
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| 13:51 | <truth_> I'm using the client right now ... so I will switch to the server for further test ...
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| 13:51 | <alkisg> truth_: or you can use a thin client
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| 13:52 | Thin client session runs on the server, so it's the same like using the server
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| 13:54 | <truth_> Ok
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| 13:55 | ... I thought ltsp-pnp is using fat-clients.
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| 13:55 | <alkisg> truth_: ltsp-pnp supports both, and you switch with LTSP_FATCLIENT=True/False in lts.conf
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| 13:56 | So you can just change 1 line and log in as thin client
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| 14:05 | <truth_> I will relogin in a minute ...
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| 14:26 | <truth_> ... ok, I'm back.
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| 14:26 | I was able to open the system-config-printer dialog (@server) - the network-printer which I have installed via cups was also visible in this dialog (active and shared).
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| 14:26 | After restarting the fat-client I still do not see the printer :-(
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| 14:26 | Is it possible that this problem is related to the fat-client?
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| 14:27 | <alkisg> truth_: what is the output of `cupsctl` ?
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| 14:28 | $ cupsctl | grep share
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| 14:28 | _share_printers=1
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| 14:29 | <truth_> _share_printers=0 :-(
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| 14:29 | <alkisg> So no, you didn't find the "share printers" check box
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| 14:29 | sudo cupsctl _share_printers=1
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| 14:29 | This sets it from the command line, but normally we use the GUI
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| 14:29 | (all this is not ltsp-related)
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| 14:30 | <truth_> ... I will check again ...
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| 14:47 | <truth_> ... ok, if I enable _share_printers from console and restart the fat-client I can see the printer on the client. :-)
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| 14:47 | However, I'm sure the share-button was already check before within the system-config-printer dialog (also it is named "Freigabe" in german language ...)
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| 14:47 | Thanks so far - I will do more test later, to further analyze the origin of this behavior ...
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| 14:47 | <alkisg> truth_: if you find some bug in cups, do report it in cups ;)
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| 14:47 | You're welcome
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| 14:49 | <truth_> Manny thanks.
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| 15:54 | <neops> hello
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| 15:54 | hello alkisg
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| 15:54 | <alkisg> Hello
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| 15:55 | <neops> do you still have time to help me?
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| 15:55 | I'm at home
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| 15:55 | <alkisg> neops: ok, run vnc:
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| 15:55 | !vnc-dide
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| 15:55 | <ltsp> vnc-dide: To share your screen with me, run this: sudo apt-get --yes install x11vnc; x11vnc -connect srv1-dide.ioa.sch.gr - this is a reverse connection, it doesn't need port forwarding etc.
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| 15:55 | <alkisg> and tell me the issue again
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| 15:56 | <neops> as a reminder, the problem is that I have a black screen
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| 15:56 | <alkisg> On one specific client, or on all of them?
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| 15:57 | <neops> on all customers
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| 15:57 | <alkisg> Boot one of them
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| 15:58 | <neops> ok
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| 15:58 | it's done I reboot a Vm
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| 16:00 | <alkisg> Is the VM 64bit?
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| 16:00 | <neops> yes
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| 16:00 | <alkisg> Boot it again
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| 16:01 | <neops> ok
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| 16:02 | Dhcp and Pxe ok then + BLACK screen
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| 16:02 | I can make a capture for you
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| 16:03 | <alkisg> neops: can I install KVM to see a VM for myself?
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| 16:04 | Or virtualbox?
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| 16:04 | <neops> yes
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| 16:04 | <alkisg> Where are you running the VM from, linux or windows?
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| 16:04 | <neops> this is a test vm you can install
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| 16:04 | Windows 10 (vmware workstatio
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| 16:04 | <alkisg> Btw, why are you not using ltsp-manager?
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| 16:04 | !ltsp-manager
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| 16:04 | <ltsp> ltsp-manager: LTSP Manager is a GUI tool that makes LTSP maintenance easy. It's the recommended way to install LTSP in common setups. More info: http://wiki.ltsp.org/wiki/Ltsp-manager
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| 16:04 | <alkisg> This would set up ltsp fine...
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| 16:05 | !kvm
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| 16:05 | <ltsp> kvm: Virtual thin client: kvm -m 256 -vga vmware -ctrl-grab -no-shutdown -net nic,model=virtio -net user,tftp=/var/lib/tftpboot,bootfile=/ltsp/i386/pxelinux.0
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| 16:07 | <neops> I will learn about ltsp-manager
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| 16:08 | I can show you the tutorial I used for installaion LTSP but it is in french
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| 16:08 | <alkisg> No I don't recommend other tutorials, only the upstream ones
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| 16:08 | !ltsp-manager
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| 16:08 | <ltsp> ltsp-manager: LTSP Manager is a GUI tool that makes LTSP maintenance easy. It's the recommended way to install LTSP in common setups. More info: http://wiki.ltsp.org/wiki/Ltsp-manager
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| 16:08 | <alkisg> That one ^
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| 16:08 | <neops> I understand
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| 16:10 | <alkisg> The client tries to boot the i386 image
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| 16:10 | Which dhcp are you using?
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| 16:10 | It's configured wrong
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| 16:10 | <neops> it does not bother me if it fixes my problem we can put i386
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| 16:11 | <alkisg> It bothers troubleshooting
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| 16:11 | Because we were trying to fix amd64
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| 16:11 | And you were using i386...
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| 16:12 | <neops> aptitude install isc-dhcp-server tftpd-hpa nfs-kernel-server ltsp-server-standalone
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| 16:12 | <alkisg> No, you're not using the dhcp of the ltsp server
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| 16:12 | You may have pfsense or something else
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| 16:12 | <neops> I did not succeed in doing otherwise
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| 16:13 | during lstp installationhe did not want to put the Dhcp package
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| 16:13 | i did not put pfsense
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| 16:15 | I reboot the vm ??
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| 16:17 | <alkisg> !root
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| 16:17 | <ltsp> I do not know about 'root', but I do know about these similar topics: 'ROOT_PASSWORD_HASH'
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| 16:18 | <alkisg> !ROOT_PASSWORD_HASH
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| 16:18 | <ltsp> ROOT_PASSWORD_HASH: to be able to login as root in vt1, with password "qwer1234", put this in lts.conf: INIT_COMMAND_01="sed 's!^root:[^:]*:!root:$6$p2LdWE6j$PDd1TUzGvvIkj9SE8wbw1gA/MD66tHHlStqi1.qyv860oK47UnKcafSKqGp7cbgZUPlgyPv6giCVyCSCdJt1b0:!' -i /etc/shadow"
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| 16:18 | <alkisg> !ssh
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| 16:18 | <ltsp> I do not know about 'ssh', but I do know about these similar topics: 'sshkeys', 'ltsp-update-sshkeys', 'INIT_COMMAND_SSH'
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| 16:18 | <alkisg> !INIT
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| 16:18 | <ltsp> I do not know about 'INIT', but I do know about these similar topics: 'lowram-initramfs', 'INIT_COMMAND_SSH', 'INIT_COMMAND_EPOPTES', 'INIT_COMMAND_GUEST'
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| 16:18 | <alkisg> !INIT_COMMAND_EPOPTES
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| 16:18 | <ltsp> INIT_COMMAND_EPOPTES: To troubleshoot epoptes certificate issues, this lts.conf directive trusts the server on boot: INIT_COMMAND_EPOPTES="epoptes-client -c server"
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| 16:19 | <alkisg> neops: you seem to have installed dhcp server in the chroot, and possibly other programs that broke it
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| 16:19 | <neops> 'ltsp-update-sshkeys
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| 16:19 | <alkisg> It's a very broken installation, maybe a very bad tutorial...
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| 16:20 | <neops> I can repat a zero I made a snapshoot
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| 16:22 | <alkisg> !tftp
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| 16:22 | <ltsp> tftp: Here's a page to help you troubleshoot TFTP problems in Ubuntu: https://help.ubuntu.com/community/UbuntuLTSP/Troubleshooting/TFTP
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| 16:26 | <neops> lollol
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| 16:27 | the problem comes from dhcp or tftp
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| 16:30 | <alkisg> No, the problem came from a very bad tutorial
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| 16:30 | You created a broken chroot
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| 16:30 | <neops> ok
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| 16:30 | <alkisg> I'll create a good image and we'll see
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| 16:30 | <neops> okay
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| 16:35 | alkisg,
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| 16:35 | is good
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| 16:35 | <alkisg> Yes I'll also fix the VM
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| 16:36 | <neops> im reboot vm ver2
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| 16:37 | how did you solve the problem
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| 16:39 | <alkisg> neops: I created a new chroot, using the ltsp-manager method
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| 16:39 | As I said, it was a bad tutorial
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| 16:40 | If you want to do it from the beginning, read !ltsp-manager
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| 16:40 | Or !ltsp-pnp
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| 16:40 | <neops> ok
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| 16:40 | thank you very much
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| 16:40 | <alkisg> You're welcome
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| 16:40 | (I closed vnc)
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| 16:41 | <neops> ok
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| 16:41 | I must understand what I have done wrong
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| 16:42 | <alkisg> I can't fix all bad tutorials on the internet
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| 16:43 | This chroot was very broken, it even had dhcp server in it
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| 16:43 | <neops> can I show you my pdf? (this is important to see found error)
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| 16:44 | <alkisg> I've sent you a personal message here in irc
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| 18:55 | <bennabiy> alkisg, my issue with ltsp-manager, and ltsp-pnp method is the requirement for the same arch as the server. All my clients are 32 bit, and my server is a 64 bit install.
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| 18:56 | <alkisg> bennabiy: you can either use i386 on the server, or a template client, or a vm
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| 18:56 | If none of these suit you, you can still use ltsp-manager with a chroot
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| 18:57 | (or ltsp-pnp with a chroot)
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| 18:57 | <bennabiy> I never thought about a template client... that is a thought
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| 19:01 | <alkisg> Btw in general, *all* ltsp-pnp servers are 64bit, yet they install i386.iso for convenience
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| 19:02 | bennabiy: how many clients do you have? any one of them with gigabit?
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| 19:02 | <bennabiy> All with gigabit, but all i386
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| 19:02 | <alkisg> How many?
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| 19:03 | <bennabiy> at this location we have about 4 full time and are about to expand to a couple dozen potentially
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| 19:03 | <alkisg> with a couple dozen fat clients, you could have a template client be the nbd server, yeah
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| 19:03 | And use LDM_SERVER=the other server
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| 19:04 | Fat or thins?
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| 19:04 | <bennabiy> thins
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| 19:04 | I am looking into fat, but not there yet
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| 19:05 | most of my users just need thin
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| 19:05 | <alkisg> Eh, just ltsp-manager + one ltsp-build-client for thins then
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| 19:05 | Nothing important
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| 19:06 | <bennabiy> yes,
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| 19:06 | I might give it a try
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| 19:06 | but not today :)
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| 19:06 | <alkisg> Sure, just talking...
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| 19:09 | <bennabiy> Thank you for the suggestion. I was hoping to find a way to test out ltsp-manager, and you might have given me the right clues
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| 19:10 | * bennabiy waves | |
| 19:15 | <alkisg> bb
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| 23:22 | <gehidore> fkjkfc~
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| 23:39 | <quinox> well put
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