IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 25 September 2017 (all times are UTC)
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| 00:58 | <mmarconm> does anyone use samba4 ad dc with ltsp ?
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| 06:04 | <Hyperbyte> Hello! What's the recommended way to show splash screen and hide kernel messages during boot of thin clients in 16.04? :-)
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| 06:05 | <alkisg> !quiet-splash
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| 06:05 | <ltsp> quiet-splash: to disable the splash screen in Ubuntu, in order to see any boot error messages, run sudo gedit /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default and remove quiet splash plymouth:force-splash vt.handoff=7
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| 06:05 | <alkisg> ...the opposite of that :D
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| 06:05 | You can put it in /etc/ltsp/update-kernels.conf too
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| 13:28 | <alkisg> !ipappend
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| 13:28 | <ltsp> ipappend: o temporarily solve DHCP problems in the initramfs, try putting IPAPPEND 3 after the APPEND line in /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default. More info: http://www.syslinux.org/wiki/index.php/SYSLINUX#IPAPPEND_flag_val_.5BPXELINUX_only.5D
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| 16:15 | <bennabiy> alkisg: all of a sudden, epoptes stopped working on my lab. says service is not running, but it is running.
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| 16:17 | well, actually, I do not see it running, even though it should be
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| 16:26 | <alkisg> !vnc-dide | echo bennabiy:
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| 16:26 | <ltsp> bennabiy: 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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| 16:27 | <bennabiy> alkisg: I will have to check on this later.
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| 16:28 | lunch and daughters call
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| 16:28 | <alkisg> ok
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| 16:28 | np
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| 16:30 | <vagrantc> alkisg: you saw the reject for ltsp-manager? in any case, i'd like to re-upload it so that it can sit in review for a few more weeks, so that when you actually do have updates, they can make it to the archive ...
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| 16:31 | <alkisg> Hey vagrantc, no I didn't notice it...
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| 16:32 | I'll check on it tomorrow
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| 16:33 | <vagrantc> alkisg: i've already updated git's debian/copyright to match the copyrights listed in the files
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| 17:41 | <fatclient^fatcli> hello
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| 17:41 | * vagrantc waves | |
| 17:41 | <fatclient^fatcli> how much time would a client take to boot the image on the very first boot up?
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| 17:42 | <vagrantc> depends on the client, the network, the server and the image
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| 17:42 | <fatclient^fatcli> i am getting a connection timed out message
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| 17:42 | i have used the ltsp-manager set up
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| 17:42 | <vagrantc> there shouldn't be significant difference between first or future boots
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| 17:43 | fatclient^fatcli: what exactly is the timeout message
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| 17:43 | <fatclient^fatcli> i used the steps from wiki.ltsp.org/wiki/ltsp-manager
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| 17:44 | error: socket failed: connection timed out
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| 17:44 | <vagrantc> fatclient^fatcli: i'm guessing it's related to ipappend ...
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| 17:44 | !ipappend | echo fatclient^fatcli
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| 17:44 | <ltsp> fatclient^fatcli ipappend: o temporarily solve DHCP problems in the initramfs, try putting IPAPPEND 3 after the APPEND line in /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default. More info: http://www.syslinux.org/wiki/index.php/SYSLINUX#IPAPPEND_flag_val_.5BPXELINUX_only.5D
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| 17:44 | <fatclient^fatcli> ALERT! /dev/nbd0 does not exist. dropping to the shell
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| 17:45 | <vagrantc> change i386 to amd64, if appropriate
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| 17:46 | <fatclient^fatcli> yes we changed it to amd64
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| 17:46 | i'll try the IAPPEND 3
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| 17:46 | <vagrantc> fatclient^fatcli: once you change the ipappend parameter, try rebooting
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| 17:46 | fatclient^fatcli: if that works, you'll need to also fix it in /etc/ltsp/update-kernels.conf
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| 17:47 | otherwise it may get overridden on updates
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| 18:01 | <alkisg> !ltsp-config-bug
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| 18:01 | <ltsp> 'ltsp-config-bug: Currently there\'s an issue with "ltsp-config nbd-server", to fix it run this as root: arch=$(dpkg --print-architecture); printf "[/opt/ltsp/$arch]\nexportname = /opt/ltsp/images/$arch.img\nreadonly = true\nauthfile = /etc/ltsp/nbd-server.allow\n" > /etc/nbd-server/conf.d/ltsp_$arch.conf; service nbd-server restart'
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| 18:01 | <alkisg> qwebirc692832: see this issue &
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| 18:02 | ^
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| 18:02 | It's a bug in recent ltsp, and this is the fix ^
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| 18:03 | <vagrantc> alkisg: when was that bug introduced?
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| 18:03 | * vagrantc struggled a bit finding the commit that caused it | |
| 18:04 | <alkisg> vagrantc: when I implemented support for .vdi files
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| 18:05 | * alkisg is on amd64 now, so ltsp-pnp isn't very appropriate, so I'm using virtualbox to manage my "chroot" in vdi form | |
| 18:05 | <vagrantc> alkisg: i suspected that, but had a hard time tracking it down
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| 18:06 | <alkisg> vagrantc: https://git.launchpad.net/ltsp/commit/?id=9573d0c9145c1945b8a580c1614123f47431014a
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| 18:06 | <vagrantc> alkisg: it's only in git and your PPAs ?
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| 18:06 | <alkisg> Yes
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| 18:06 | (it's fixed in git)
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| 18:06 | <vagrantc> right
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| 18:07 | alkisg: so after all these years of pushing ltsp-pnp, and now that we've got ltsp-manager to have a nice frontend for it, you're already on to the next thing? :P
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| 18:07 | <alkisg> So I updated the code to use "list_chroots" properly, but at one point it caused to list file names instead of full paths as was expected
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| 18:07 | Haha, no, I always wanted to support multiple sources for the images!
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| 18:07 | Without ltsp-pnp, using virtualbox wouldn't be possible
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| 18:07 | <vagrantc> indeed
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| 18:17 | <q9> alkisg: adding fuse-options in ltspfsmounter worked, but didn't yield the desired result. directories were effected to by the umask. However ltspfs support custom mount-flags via /etc/ltspfs/ltspfsd.conf (export LOCALDEV_MOUNT_OPTIONS="defaults,utf8,fmask=111")
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| 18:25 | <vagrantc> q9: and LOCALDEV_MOUNT_OPTIONS is working for you?
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| 18:33 | * alkisg would really prefer to just use reverse sshfs to export all local /media/$USER to the server and completely drop ltspfs :) | |
| 18:36 | <qwebirc692832> hi, added the IPAPPEND = 3 at the end of /etc/ltsp/update-kernels.conf
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| 18:36 | still not able to boot the client
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| 18:36 | <alkisg> qwebirc692832: did you read what I wrote above?
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| 18:36 | !ltsp-config-bug
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| 18:36 | <ltsp> 'ltsp-config-bug: Currently there\'s an issue with "ltsp-config nbd-server", to fix it run this as root: arch=$(dpkg --print-architecture); printf "[/opt/ltsp/$arch]\nexportname = /opt/ltsp/images/$arch.img\nreadonly = true\nauthfile = /etc/ltsp/nbd-server.allow\n" > /etc/nbd-server/conf.d/ltsp_$arch.conf; service nbd-server restart'
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| 18:36 | <alkisg> So, run this command above
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| 18:37 | <vagrantc> alkisg: we'd still need a local automounter of some sort
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| 18:37 | <qwebirc692832> ok will try and get back
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| 18:37 | <alkisg> vagrantc: I'm sure there are thousands around... :)
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| 18:37 | If we declare that there's a local session there running, all DEs and maybe even systemd have code for that
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| 18:38 | <vagrantc> sure
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| 18:38 | in theory, this would "just work" with the ltsp-pam stuff
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| 18:38 | for desktops that support it
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| 18:38 | presuming fat clients
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| 18:39 | <alkisg> Fat clients don't need ltspfs though
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| 18:39 | (or reverse ssh)
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| 18:39 | Well, unless we want to also support remoteapps there
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| 18:41 | <qwebirc692832> <alkisg> do i copy paste the entire command from arch onwards with sudo at the beginning?
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| 18:41 | <alkisg> No, first run this: sudo -i
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| 18:41 | This will give you a root shell
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| 18:41 | Then, run this:
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| 18:42 | arch=$(dpkg --print-architecture); printf "[/opt/ltsp/$arch]\nexportname = /opt/ltsp/images/$arch.img\nreadonly = true\nauthfile = /etc/ltsp/nbd-server.allow\n" > /etc/nbd-server/conf.d/ltsp_$arch.conf; service nbd-server restart
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| 18:42 | All in one line, copy/paste
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| 18:42 | Then reboot the client
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| 18:42 | <qwebirc692832> ok did that thank you!
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| 18:42 | i'll reboot the client
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| 18:42 | <alkisg> (sudo command > file doesn't work as you expect, it doesn't have permissions to write the file,that's why it needs to be sudo -i first)
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| 18:44 | <qwebirc692832> client wont boot
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| 18:44 | random: nonblocking pool is initiated
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| 18:44 | <alkisg> !ipappend
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| 18:44 | <ltsp> ipappend: o temporarily solve DHCP problems in the initramfs, try putting IPAPPEND 3 after the APPEND line in /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default. More info: http://www.syslinux.org/wiki/index.php/SYSLINUX#IPAPPEND_flag_val_.5BPXELINUX_only.5D
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| 18:45 | <alkisg> You put ipappend to the wrong file
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| 18:45 | <qwebirc692832> ok will remove the ipappend
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| 18:45 | <alkisg> Put it in /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default
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| 18:45 | No
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| 18:45 | Just put it in that ^ file
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| 18:45 | <qwebirc692832> i'll remove it from the wrong file and put it in the correct one
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| 18:45 | <alkisg> What you have in /etc/ltsp/update-kernels.conf is ok
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| 18:46 | But it will work after ltsp-update-kernels and ltsp-update-image
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| 18:46 | <qwebirc692832> ah ok ok
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| 18:46 | <alkisg> So leave it there, but also put it directly in the pxelinux.cfg/default too
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| 18:49 | <q9> vagrantc: yes. now i have 600 on files instead of 700
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| 18:52 | <alkisg> qwebirc692832: I put the commands there: http://wiki.ltsp.org/wiki/Ltsp-manager/Installation
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| 18:52 | ...those should help until I upload a new version...
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| 18:55 | <q9> the x actually came from the underlying vfat
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| 18:55 | <qwebirc692832> <alkisg> thank you
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| 18:55 | <alkisg> np
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| 18:55 | Did it boot?
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| 18:56 | <qwebirc692832> i added ipappend 3 in the default file
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| 18:56 | <alkisg> I think it already has ipappend 2 there and you're supposed to change it to 3
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| 18:56 | <qwebirc692832> question: ipappend 3 has to be added in the first instance of nbd correct?
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| 18:57 | <alkisg> Yes, but I think it should be replaced from 2 to 3, not added
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| 18:57 | You can also do it in all instances
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| 18:57 | <qwebirc692832> yes did that replaced
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| 18:57 | <alkisg> OK
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| 18:57 | <qwebirc692832> ok will do that
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| 18:57 | question: how do you update the ltsp-update-kernels?
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| 18:57 | <alkisg> Did the client boot now?
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| 18:58 | Don't worry about ltsp-update-kernels until it boots
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| 18:58 | <qwebirc692832> updated the image
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| 18:58 | ok
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| 18:58 | <alkisg> Eh
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| 18:58 | If you update the image, it will put back ipappend 2
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| 18:58 | <qwebirc692832> client image is updating
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| 18:58 | <alkisg> You'll need to do it again
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| 18:58 | (to change it from 2 to 3)
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| 18:58 | <qwebirc692832> will check if changed
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| 18:59 | <alkisg> So, the problem now is that the configuration files are already generated, to propagate the change you'd run: sudo /usr/share/ltsp/update-kernels; sudo ltsp-update-image -c /
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| 18:59 | If you only run the second command, it will keep ipappend 2
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| 18:59 | <qwebirc692832> yes had changed back to 2
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| 18:59 | put it to 3 now booting the client
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| 18:59 | <alkisg> OK
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| 19:01 | <qwebirc692832> HURRAY!!!!!!
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| 19:01 | thank you thank you
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| 19:01 | <alkisg> Another satisfied customer ;)
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| 19:01 | <qwebirc692832> :))))
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| 19:01 | should i run the above command ?
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| 19:01 | sudo /usr/share/ltsp/update-kernels; sudo ltsp-update-image -c /
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| 19:01 | <alkisg> Run this: sudo /usr/share/ltsp/update-kernels
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| 19:01 | No need to run the second one, it takes too long
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| 19:02 | And you already fixed pxelinux manually
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| 19:02 | So you'll run it in the future when you need, and it won't put ipappend 2 again
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| 19:04 | <qwebirc692832> Skipping yaboot configuration. install yaboot package if you need it. Skipping etherboot images. Install the mkelfimage package if you need them.
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| 19:04 | got this on running sudo /usr/share/ltsp/update-kernels
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| 19:04 | <alkisg> Ignore those, just unrelated warnings
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| 19:04 | <qwebirc692832> ok thank you
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| 19:05 | <alkisg> could you guide me to some reference of setting up dansguardian for web filtering ?
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| 19:05 | <alkisg> No,that's not related to ltsp :)
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| 19:05 | Use your distro channel for that, e.g. #ubuntu
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| 19:05 | <qwebirc692832> :)) ok
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| 19:05 | thank you once again
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| 19:05 | <alkisg> np
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| 19:06 | <qwebirc692832> this is my first time on irc - and i am amazed.
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| 19:06 | thank you
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| 19:11 | <sutula> vagrantc: Sorry for the slow followup/feedback. Your suggestion on bind mounting instead of symlink for /home works great and that was the issue from last week (building image including /home symlink won't work).
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| 19:11 | Would be nice to capture this somewhere, but probably nobody else would care.
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| 19:12 | On another matter, current epoptes seems to fork off a process that is not killed when eopotes closes. I wonder if that's worth logging somewhere and getting fixed at some point.
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| 19:23 | <vagrantc> sutula: glad that worked well!
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| 19:24 | sutula: file a bug at https:///launchpad.net/epoptes
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| 19:24 | i think
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| 19:25 | <sutula> ty
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| 19:38 | Seems it is here: https://github.com/Epoptes/epoptes/issues
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| 19:38 | <vagrantc> oh yeah, github
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| 19:39 | we *might* move back to launchpad
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| 19:39 | at least, i would prefer it
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| 19:52 | * sutula submits on github | |
| 19:57 | * vagrantc suspects no epoptes developers will hear about it | |
| 19:58 | <vagrantc> i guess i've already heard about it, but i barely qualify
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| 23:06 | * sutula guesses he better find the source and offer a patch if sutula wants it fixed :/ | |
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