IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 24 November 2010 (all times are UTC)
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| 08:05 | <AndyGraybeal> what is the option "TIMEZONE" in lts.conf if i am in EST ?
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| 08:05 | is it TIMEZONE=EST ?
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| 08:09 | <biomorph_> I have a real problem here. I have just done an ltsp-update-image and now nobody can log on.
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| 08:09 | Would the next step be to do ltsp-update-sshkeys ltsp-update-kernel and ltsp-update-image again
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| 08:10 | <Appiah> what's the error ? (nobody can login)
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| 08:11 | <AndyGraybeal> biomorph_: i don't know anything, but i had that same problem, i updated the sshkey's and all as better.
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| 08:11 | *was
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| 08:13 | <biomorph_> Appiah: the LDM screen says "Verifying password - please wait" then "No response from server - restarting"
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| 08:13 | I cannot find any relevant logs on the server.....
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| 08:13 | <Appiah> auth.log and messages should say something..
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| 08:15 | <biomorph_> nothing in auth.log or messages or daemon.log
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| 08:17 | OK - so is it fair to say there is no harm in doing update-ssh-keys and update-kernel?
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| 08:25 | <AndyGraybeal> i would assume about the ssh-keys, i'm afraid of update-kernel (but only because i'm ignorant and probably shouldn't be responding)
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| 08:28 | <biomorph_> OK - I can start breathing again......
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| 08:30 | While I was at it I did an upgrade in the chroot environment, which did bring in a new kernel.
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| 08:31 | <biomorph_> So then I did update-sshkeys update-kernel and update-image and everything is back working now.
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| 08:31 | <AndyGraybeal> nice !
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| 08:31 | ^5's to biomorph_ :)
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| 08:31 | <alkisg> biomorph_: for ssh keys, you don't see errors in auth.log
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| 08:31 | The clients doesn't trust the server so it doesn't make any connection attempts
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| 08:31 | <biomorph_> AndyGraybeal: Appiah: alkisg: Thanks for your help......
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| 08:32 | <AndyGraybeal> <beams> :)
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| 08:32 | <biomorph_> alkisg: Yes, I think that's what led me to the update-sshkeys
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| 08:32 | <alkisg> AndyGraybeal: ls /usr/share/zoneinfo/right/
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| 08:32 | E.g. for me it is: Europe/Athens
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| 08:32 | <AndyGraybeal> aah thank you alkisg
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| 08:33 | <alkisg> (So I believe EST should also be supported, it's there)
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| 08:33 | <AndyGraybeal> k cool (i live in athens, ohio.. .named after your home :)
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| 08:33 | <biomorph_> I think something has changed on the server, which I guess the update-image picked up.
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| 08:34 | <alkisg> The server ip, in some older time (not the current ip, an older one)
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| 08:39 | <AndyGraybeal> okay, dumb question, when i run 'firefox' as a localapp, does it see my normal bookmarks?
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| 08:40 | aah i see, it does.
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| 08:52 | <AndyGraybeal> how do i get the localapps firefox to have the same 'theme' as the one on regular ubuntu? do i need to install some type of ubuntu x themes on my image? is this worth it for aesthetic reasons?
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| 08:53 | it reminds me of early x days :) when i was first introduced to x windows on a sun box in 98 or something
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| 08:53 | er, i guess it had to be 96
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| 08:53 | i graduated in 97 :)
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| 09:01 | <AndyGraybeal> sometimes my client picks up the correct time from the timeserver, and sometimes it doesn't; how do i troubleshoot what is going on?
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| 09:01 | i have TIMESERVER=192.168.2.1 in my lts.conf
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| 09:01 | <alkisg> And you have a ntpd installed there?
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| 09:02 | <AndyGraybeal> yes, sometimes it works and sometimes it doesn't (it's a openbsd box)
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| 09:02 | <alkisg> # Set up timeserver
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| 09:02 | if [ -n "$TIMESERVER" ]; then
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| 09:02 | (ntpdate $TIMESERVER; hwclock --systohc --${HWCLOCK:-"utc"} --noadjfile) &
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| 09:02 | fi
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| 09:03 | So get a local shell on the client and make a small script that sets the wrong time and then calls ntpdate to see if it gets/sets the correct time
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| 09:04 | (the code is from ltsp-init-common, btw)
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| 09:06 | <AndyGraybeal> okay, my brain is trying to understand. give me a second.
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| 09:06 | <mgariepy> morning everyone
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| 09:06 | <stgraber> hey mgariepy
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| 09:06 | <highvoltage> hey mgariepy
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| 09:10 | <AndyGraybeal> alkisg: i'm in a local shell. i typed 'sudo ntpdate 192.168.2.1' and it instantly gets the correct time from the server. i type 'date' from the shell and it is the right time.
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| 09:10 | alkisg: i'm sorry that i'm confused about the script you wrote.
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| 09:10 | <alkisg> AndyGraybeal: try setting the wrong time, e.g. 10 minutes off
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| 09:10 | <AndyGraybeal> ok
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| 09:10 | <alkisg> Then run ntpdate again (no sudo needed)
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| 09:11 | and call hwclock to save the new time
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| 09:11 | <AndyGraybeal> 'command not found' if i don't do sudo.
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| 09:11 | <alkisg> AndyGraybeal: how did you get a local shell?
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| 09:11 | <AndyGraybeal> gnome-terminal -> ltsp-localapps xterm
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| 09:11 | <alkisg> And how did you get sudo rights there?
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| 09:12 | <AndyGraybeal> i think i installed it
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| 09:12 | <alkisg> You shouldn't be able to authenticate with sudo...
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| 09:12 | !SCREEN_02
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| 09:12 | <ltspbot`> alkisg: "SCREEN_02" :: to get a root shell on an Ubuntu thin client: https://help.ubuntu.com/community/UbuntuLTSP/ClientTroubleshooting#Using%20a%20shell%20SCREEN
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| 09:13 | <AndyGraybeal> okay, i'm in screen_02
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| 09:13 | <alkisg> OK, since you said you *sometimes* see the problem, repeat the above 3 steps for some times, to see if indeed there is a problem
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| 09:14 | <AndyGraybeal> ok
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| 09:14 | <alkisg> I.e. set the wrong time, run ntpdate, and then hwclock
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| 09:16 | <AndyGraybeal> it worked 3times+ so far
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| 09:17 | i'm typing 'date 112410002010' then 'ntpdate 192.168.2.1' then 'hwclock'
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| 09:17 | i'm going to reboot the thing to see what happens.
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| 09:19 | i rebooted, and the time is 5:16:44 EST but the real time is 10:19
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| 09:20 | i'm not going to worry about it, it's not a big deal
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| 09:53 | <AndyGraybeal> okay, slightly off-topic, how do i remove a launcher icon from the gnome-panel? I would like to use 'firefox' locally. the launcher in the gnome-panel is the 'served' firefox, the firefox in the Applications menu is the 'local' one.
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| 09:53 | well, i mean, from all users.
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| 09:57 | what apps are commonly hosted locally? so far i have firefox and flash.
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| 10:17 | <AndyGraybeal> is it possible to get the 'firefox' localapp to appear on the gnome-panel? i'm pointing the firefox launcher on the panel, but after a logoff/logon it disapears. if this is not possible it's fine.
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| 10:17 | i'm just wondering what i may be doing wrong
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| 10:26 | <sbalneav> Morning all
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| 10:27 | So, I did some thinking about the nss situation. Rather than write another module, here's my thoughts.
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| 10:27 | <moldy> AndyGraybeal: afaik, that is done automatically?
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| 10:27 | <sbalneav> Once we establish the socket, we check for two command line parameters to the session.
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| 10:27 | pwdfile=/.... and grpfile=/....
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| 10:27 | <moldy> AndyGraybeal: set LOCAL_APPS_MENU = True and LOCAL_APPS_MENU_ITEMS = firefox
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| 10:28 | <sbalneav> We grab the paths, and then do an scp using the established socket to copy the files down to the thin client using the associated path.
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| 10:28 | then, for nss, we just have to use good ol' trusty nss_extrafile
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| 10:29 | should be much faster lookups than doing a "getent <db> <item>" every time.
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| 10:36 | <Gadi> sbalneav: it is not that simple
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| 10:36 | there is munging involved
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| 10:36 | <ogra_ac> bah, Gadi ....
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| 10:36 | <Gadi> have a look at the current munging code
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| 10:36 | <ogra_ac> trashing dreams again ?
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| 10:36 | <Gadi> ogra_ac: tis the season
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| 10:37 | :)
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| 10:37 | <ogra_ac> heh
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| 10:38 | <Gadi> though, I guess nss_extrafile is still an nss module, so the munging would still be done
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| 10:38 | hmm
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| 10:38 | on second thought, your dreams may come true
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| 10:38 | <ogra_ac> heh
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| 10:39 | <Gadi> it sounds too trivial not to try
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| 10:39 | (says the onlooker)
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| 10:44 | <sbalneav> That's what I was thinking.
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| 10:46 | <AndyGraybeal> moldy: i've done that.
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| 10:47 | moldy: thank you for responding.
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| 10:48 | is: LOCAL_APPS_MENU = True ,the same thing as: LOCAL_APPS_MENU=True ?
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| 10:48 | <moldy> AndyGraybeal: i think so
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| 10:48 | <AndyGraybeal> k
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| 10:49 | the new wiki looks beautiful :)
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| 11:02 | <AndyGraybeal> i had the stinking ide disabled in the bios; my bad.
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| 11:03 | oh nevermind, i was talking to myeslf.. i thought i had mentioned it here earlier.
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| 11:08 | do you guys bother getting the same theme on your 'localapps' as regular ubuntu?
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| 11:20 | <moldy> no :)
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| 11:22 | <jconlon> I have an ltsp server working wonderfully at my office. I'm using dnsmasq instead of dhcp3 and it is configured with 1 nic. I would like to do some content filtering with it, preferably a white list only senario. Is
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| 11:23 | (continued, sorry)... it necessary to configure it with 2 nics, to run a proxy with content filtering? Or is there an even easier solution to this? Thanks in advance
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| 11:27 | <moldy> why would you need 2 nics?
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| 11:27 | there are many ways to do "content filtering"
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| 11:31 | <jconlon> i had read somewhere that 2 nics were suggested if I was going to send web traffic through a proxy, what would you suggest, Im pretty nooby.
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| 11:43 | <AndyGraybeal> moldy: okay thank you.
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| 12:15 | I'm curios, how does Spice fit in with LTSP? is it something that might replace LTSP? or is it something that would run with LTSP?
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| 12:15 | or is it something all together and i'm thoroughly confused, like most of the time.
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| 12:15 | <Gadi> run with ltsp, most likely
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| 12:16 | <AndyGraybeal> can you give me a usage scenario, so i can better wrap my head around it?
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| 12:16 | <Gadi> it would be a substitute for LDM
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| 12:16 | it is a protocol
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| 12:16 | <AndyGraybeal> aah LDM, the logon scvreen?
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| 12:16 | <Gadi> for connecting to a virtual machine
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| 12:16 | like NX, X, Citrix ICA, RDP
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| 12:16 | <AndyGraybeal> aah okay wonderful, i run NX
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| 12:16 | <Gadi> so, instead of X-over-ssh (like LDM does)
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| 12:17 | you could get to your desktop with spice
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| 12:17 | <AndyGraybeal> and spice would better tie in with wayland? (or am i on crack?)
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| 12:18 | <Gadi> I am not sure if spice can connect to an OS or just to a VM
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| 12:18 | not sure of the details
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| 12:18 | it is primarily a VDI solution
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| 12:18 | <AndyGraybeal> okay, thank you, virtual device interface.. yes?
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| 12:18 | <Gadi> virtual desktop infrastructure
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| 12:19 | ie, 1:1 VM:client
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| 12:19 | you connect to a VM that is all your own
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| 12:19 | <AndyGraybeal> ah okay, so i have KVM running and i have my own VM.. gotcha
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| 12:19 | <Gadi> rather than getting a display on a multi-user server
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| 12:19 | <AndyGraybeal> so i have tim, betty, and arnold's VM's.
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| 12:19 | <Gadi> right
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| 12:20 | <AndyGraybeal> thank you for taking the time to go over that.
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| 12:20 | <Gadi> pleasure - not sure if SPICE can also be used in SBC (server based computing)
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| 12:20 | like what we currently do
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| 12:20 | <AndyGraybeal> hah.. my poor server!
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| 12:20 | <Gadi> but, it is possible
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| 12:20 | <AndyGraybeal> it would never work with 8GB of ram :)
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| 12:20 | * AndyGraybeal pets his little supermicro box. | |
| 12:21 | <AndyGraybeal> it's very good at LTSP.
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| 12:22 | i can't imagine having a
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| 12:22 | er.. VM for every employee.
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| 12:25 | <Gadi> pros and cons to everything
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| 12:25 | :)
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| 12:28 | <AndyGraybeal> is that what people expect from SPICE, to be able to virtualize every desktop for their employees?
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| 12:29 | that sounds incredible.
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| 12:29 | <Gadi> VDI is a whole industry
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| 12:29 | <AndyGraybeal> i mean.. like.. incredible as in expensive and overwhelming
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| 12:29 | <highvoltage> AndyGraybeal: I tend to agree with you on that one :)
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| 12:29 | <AndyGraybeal> i used citrix, and the like, but only for accessing certain applications.
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| 12:29 | <highvoltage> Gadi is right though, lots of companies are making lots of money out of it
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| 12:31 | <AndyGraybeal> to take things down a notch, i could run ltsp in a virtual machine, then boot all my clients from that virtual machine?
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| 12:31 | can i do that w/o spice?
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| 12:33 | <Gadi> sure
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| 12:33 | that is a form of server virtualization
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| 12:33 | you are virtualizing the server
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| 12:33 | <AndyGraybeal> aah okay, so desktop virtualizing; okay okay - i need to seperate the two.
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| 12:33 | <Gadi> but, if the clients connect with X-over-ssh, they connect to the server OS - not to the VM itself
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| 12:34 | <AndyGraybeal> do people have LTSP running in VM's?
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| 12:34 | <Gadi> sure
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| 12:34 | <AndyGraybeal> i think i would like to do that.
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| 17:44 | <Pacifica> Hi. Using both local and LDAP accounts. ssh login for both local and LDAP works fine however I can only login on thin clients with local accounts, not LDAP accounts.
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| 17:45 | auth.log shows a successful login with LDAP but no desktop shows and the LDM login screen is shown again.
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| 17:46 | I assume something goes wrong with the NFS mount of the user's home dir.
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| 17:46 | The LDAP attribute homeDirectory is set correctly.
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| 17:47 | I've got this working on another site just fine (also with LDAP)
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| 17:47 | This site uses a different LDAP directory, however it seems all required attributes are there.
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| 17:48 | LTSP5, Ubuntu 10.04 (64 bit)
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