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daya: how are you trying to unmount it?
vagrantc, simple by right clicking the usb ICON
vagrantc, and umount the volume
vagrantc, It says can't determine the real path of the device:No such file or directory
daya: you can just unplug the USB stick after 2 seconds of not using it
vagrantc, hm, But it mayn't write the data isn't it?
daya: ltspfs unmounts the filesystem at the client side ater two seconds of inactivity
daya: so if you wait 2 seconds, it should be fine.
vagrantc, oh, But the icon still remains in the Desktop :D,
daya: after you unplug it?
vagrantc, OK I will then not bother about it,
vagrantc, I have installed splashy in chrooted env. But splashy doesn't work,it says we have to edit grub,
daya: to the server, ltspfs *is* mounted, but on the client, the filesystem is unmounted after two seconds. so the data is synced after two seconds of inactivity. when ltspfs is accessed, the client mounts the device again.
daya: are you using PXE ?
daya: if so, you'll need to add the bootpromt options to /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default
vagrantc, isn't it possible to implement splashy,
daya: i have never tried.
vagrantc, ye I have edited that file to include the keyword splash
vagrantc, but not succeed
daya: have you gotten splashy working on a system with a hard drive?
vagrantc, In general system, ye,
daya: there really isn't any significant difference in an LTSP environment
daya: are the initrd.img files the same in /opt/ltsp/i386/boot and /var/lib/tftpboot/ltsp/i386 ?
daya: md5sum /var/lib/tftpboot/ltsp/i386/initrd.img* /opt/ltsp/i386/boot/initrd.img*
vagrantc, ye they must be by default isn't it I haven't changed any
daya: if you haven't changed anything, then splashy wouldn't be part of the initrd.img at all ....
daya: it certainly isn't included by default
daya: how did you add splashy?
vagrantc, by installing pkg,instructed in http://splashy.alioth.debian.org/wiki/installation
vagrantc, It now seems to work but only for few seconds,
vagrantc, it gets loaded in the last momemt
vagrantc, can't I call splashy after dhcp , or tftp
daya: i have no idea, i have never used splashy
daya: so what arguments did you add to pxelinux.cfg/default ?
vagrantc, DEFAULT vmlinuz splash vga=791 ro initrd=initrd.img root=/dev/nfs ip=dhcp s
daya: seems like splashy was removed from testing in october 2006 ... it must have problems if it hasn't gotten back in
daya: why not try usplash?
vagrantc, usplash? ubuntu splash , does it need kernel patch,
daya: no kernel patch
daya: i think debian-edu maybe uses usplash with etch
vagrantc, ok, I will then try it,
vagrantc,ye, have gone thru debian-edu once,
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Anyone know what could cause the thin clients to work fine except for Citrix ICA windows? The fonts do not appear?
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mattwalston: what kind of thin client?
Gadi: DevonIT LT210
ah - an 'el cheapo' ;)
Gadi: I did add more ram to all the clients because it was available
Gadi: yeah... like $120 each
reduce the amount of video ram in the BIOS
to say, 16MB
Gadi: ok... know it only affects the windows programs everything else works fine...
are you launching citrix from the Linux desktop?
going to go test, brb
and from the ltsp server it works perfect
just the ltsp clients
yeah, go ahead and check the video ram settings in the BIOS
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negative no luck...
what video chip is in that thing?
the scroll bar is black and purple and no text shows, sometimes you can highlight it and it shows text
Gadi: yeah, with ubuntu
you can try different via drivers in the chroot
and see if that makes any difference
Gadi: what about testing as vesa?
yeah, do that
that would tell you if it is a driver thing
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Is getting Pulse volume control working a lost cause?
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otavio: do you still have that ldm and ltsp upload?
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hello. are debian etch ltsp packages supported here?
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i used the client building script and pxe boot works as far as getting me to a display manager. what i don't understand is which display manager that is, and where is it running, on the server or on the client? the client has the ldm package installed. is this what i'm seeing?
ogra_cmpc: is it configured to connect to the server's X?
no, it uses ssh
(but executes an x session then indeed))
LDM is basically a frontend to "ssh -X /etc/X11/Xsession"
merry christmas or so :)
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heh, i thought so
this party just got a lot more active
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well, i gotta head to work for a few hours ...
hopefully the party will continue on without me :)
my problem is that it doesn't let me log in. it doesn't say anything, either
need i configure something in the server?
DawnLight: you need openssh-server installed
vagrantc: did you ever see that binaries in /sbin cant be executed in initramfs ? (while all in /bin works fine)
i have it installed but it has passwordauthentication off
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DawnLight: well, passwordauthentication is what LDM uses to log in
DawnLight: a proper desktop environment needs to be installed
can i use keys?
DawnLight: you also need x11-common, a window manager, and make sure /etc/X11/Xsesssion is executable
not yet at least
i know how to use them. why can't i?
well, not exactly true
you can use a key ...
vagrantc: with ldm2 ???
that will require a lot hacking i guess
ogra_cmpc: if root's default keys are passwordless it will work
ogra_cmpc: i've tried it with botht he older ldm and the new one
ldm2 still waits for the passwword
root? why root? does it ssh -X root@server?
DawnLight: no, root on the thin client
greeter and backend are more stictly separated in ldm2
anyways... gotta run
maybe i just tried it on the older ldm...
which is what's in etch
then i have a problem. i don't want to use passwordauthentication
i'll drop in later
DawnLight: patches accepted.
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can i use something other then ldm? such as a real display manager that runs on the client?
DawnLight: you can use SCREEN_07=startx and run gdm on trhe server with the cost of all security, sound and localdevice support
(startx will use XDMCP)
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ltsp-server package suggests the sdm package. will that be different?
it uses xmessage but does similar stuff to ldm
without localdev or sound integration (like gdm)
so my best bet is to use passwordauthentication
sdm should be in teh chroot though, not on teh server ...
no idea why its a recommends there
are you on debian or ubuntu ?
i'm trying to avoid passwordauthentication because of bad experience with brute forcing
then vagrant is your best friend :)
he maintains teh debian port
he's the maintainer, or something
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but since he changes stuff i cant help everywhere :)
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DawnLight: i think i once added an option to use a different ssh port
you could run a dedicated ssh server and restrict it to the client network
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he left, tough. well, i think i'll see about this passwordauthentication problem
there is a serious security issue with having the root's key in the client
it would be making the server hand out it's root access
right, your best bet is either a dedicated ssh server with pw or sdm with keys ... i'm not sure whats needed for sdm to make stuff like sound or localdev work
ogra_cmpc: i don't know how those work anyhow
usually out of teh box (in ubuntu at least) :)
but how? care to explain?
network sound system?
and devices... phew, sounds complicated
if processes run on the server, how do they get access to the client's cdrom?
the ltsp-client-cor4e initscript starts a pulse server that listens on teh network ... ldm sets up a virtual alsa device during login in teh users session that uses that network socket
vernier_: oh! I think I forgot them
vagrantc went out :(
localdevices are way more complicated as they need teh ssh sockeet ldm created and need to set a proper auth cookie (also created by ldm)
so how secure is all this?
is everything ssh'd?
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with ldm it is, yes
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ogra_cmpc: have any suggestions on the subject of securing against brute force?
yes, use a dedicated ssh server
ogra_cmpc: i don't get it, sorry
run a ssh server on port 3000 or so with a restricted ip range ... have the clients on a separate network and make them use port 3000
all brute force attacks could only come from a thin client that way .... but there is no opportunity to even have a login on a client (at least in ubuntu the clients are 100% locked (no accounts, root locked))
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it wont save you from brute force attcks but mimimize the risk significantly
debian also that way
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DawnLight: did you get your issues worked out earlier?
otavio: hey there ... just wondering what the status of the ltsp/ldm uploads is...
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ogra_cmpc: still aroud ?
ogra_cmpc: mksquashfs seems to produce broken images here ...
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