IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 21 January 2012   (all times are UTC)

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01:20
<vagrantc>
alkisg: i finally figured out why it was (re)generating a server key in the ltsp chroot ... i install "epoptes" in the chroot! :_)
01:20
<alkisg>
Aaaah got it :)
01:28
In /etc/cups/ssl I have a pair of keys which are symlinks to /etc/ssl/certs/ssl-cert-snakeoil.pem... I wonder if we could reuse some machine keys instead of generating our own
01:28
bbiab
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03:42
<slicknick5181>
Anyone have any experience getting macs booted?
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04:47
<killermike>
Hi all. Does anyone know the "proper" command to restart DHCP in Ubuntu 11.10. There are quite a few older ones that don't work now.
04:52
<vagrantc>
sudo service isc-dhcp-server restart
04:52
i think ... if it did what debian did
04:53
<killermike>
That did it, thanks.
04:53
I've gathered about three likely candidates that no longer work x-/
04:54
<vagrantc>
hopefully, that sticks for a few releases
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05:41
<VectorX>
does a fat client need a hdd ?
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06:34
<alkisg>
VectorX: no
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06:44
<alkisg>
slicknick5181: check the irc logs, we helped a person here boot mac computers a few months ago
06:46
<VectorX>
ok im running the setup for fat clients, its taking some time to download
06:47
ubuntu, also i cant seem to login to the client on Default session setting, i have to go change it to Ubuntu 2D
06:47
otherwise after login the screen flashes and its back to the login prompt
06:52
<slicknick5181>
Try to update the keys
06:52
<VectorX>
yeah but it logs in if the change the session, so its authenticating
06:54
ie, if you click on Preferences in the login screen then, Select Session
06:54
<slicknick5181>
What server are you running Ubuntu 11.10?
06:54
<VectorX>
yeah
06:55
<alkisg>
VectorX: maybe your client card doesn't support 3d properly, or it's a compiz bug, etc. What graphics card does the client have?
06:55
<vagrantc>
slicknick5181: powerpc or intel based macs?
06:55
<VectorX>
alkisg nvidia gtx 9800
06:55
<slicknick5181>
Intel Macbook
06:57
I don't know why your session will not work, But there is a way to change the default session for clients if ubuntu 2d is not a big issue for you
06:58
vagrantc: intel macbook - Have you had experiences with these?
06:58
<VectorX>
yeah i guess its ok, i dont see anything 3d running anyway, where is it set
06:59
<vagrantc>
slicknick5181: sorry, only really know powerpc, and that not very well
07:01
<slicknick5181>
vagrantc: I did some research and it appears as though even Mac servers sometimes have issues I'm just giving up it's not worth it
07:01
vectorx: hold on just a sec let me see if I can find it again
07:01
<alkisg>
slicknick5181: did you try gpxe/ipxe?
07:01
!gpxe
07:01
<ltsp`>
alkisg: gpxe: the successor to etherboot (http://etherboot.org). To download bootable floppy, cd, usb, kernel etc images, visit http://rom-o-matic.net/
07:02
<alkisg>
From the web, "On the topic of gPXE, I was amazed to discover that it even worked on a dual-core Intel MacBook. Mac has no native support for PXE..."
07:04
<slicknick5181>
alkisg: That would explain my issue but I have no Cd drive, I accidentally removed myself from sudoers list, and can not boot from usb
07:08
<alkisg>
vagrantc: I'm reading make-ssl-cert, and trying to see if we should be using that, to generate the epoptes certificate, or even if we should be using the default /etc/ssl/private/ssl-cert-snakeoil.key... Btw they're telling openssl to generate a certificate valid for 10 years.
07:09
There's also a group named "ssl-cert" which we could use instead of "epoptes", if it makes sense...
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12:59
<VectorX>
got the server connected to a unmanaged switch, most of the time it changes to 100mbps, how can i stop this and keep it at 1gbps ?
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13:14
<muppis>
VectorX, try to force with mii-tool
13:17
<VectorX>
hmm what would that command look like coz im only seeing 100base
13:18
ie -F 100base(something)
13:19
<muppis>
1000baseTx-FD
13:21
<VectorX>
sudo mii-tool eth0 -F 1000baseT-FD, eth0: negotiated 100baseTx-FD flow-control, link ok
13:21
did a -v and 1000baseT-FD was an option there wasnt a Tx with 1000
13:21
its not changing the link though
13:22
<muppis>
Vendor of nic or switch?
13:26
<VectorX>
DGS-1008D switch, DGE 528T NIC
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13:28
<VectorX>
both dlink
13:28
<gvy>
yay, that 2.6.32 boots on 16M RAM again! :)
13:28
<muppis>
It can be only me, but so far D-Link has been synonym for network related problems..
13:29
<VectorX>
hmm
13:29
what do you think i should do, go tplink then ?
13:29
<gvy>
muppis, depends on the part of the network and experience
13:29
tplink is *way* worse to me so far (as in dual-wan routers and wifi)
13:29
<VectorX>
what do you recomend
13:30
<gvy>
sorry for coming late, but for what part of which network?
13:30
<VectorX>
i dodnt really have too many options here
13:30
<gvy>
and they are?
13:31
<muppis>
No experience from tp-link. I personally use Broadcom's switches and nics.
13:31
<VectorX>
gvy the server connection to the switch goes from green to amber, which means 1gbps to 100mbps
13:31
<gvy>
dlink had awful routers/wifi back in the day of overheating hardware and chinese firmware but that's rather over
13:31
VectorX, I'd check the patch and connectors, preferably by checking one or two other pieces
13:32
erm, by replacing the patch with some other one if it's feasible
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13:33
<VectorX>
yeah i was thinking the same, unfortunately i only got a few, probably go buy some good ones on monday
13:33
<gvy>
there are rather inexpensive hp procurve switches as a generic recommendation but that might be not the best bang per buck ratio for your particular situation
13:33
you should have some spares handy anyway, they won't just collect dust forever :)
13:33
if you can, replace with a patch from a workstation for some time, just to check
13:34
maybe the two additional pairs used for gigabit are faulty or misjacked
13:40
<VectorX>
yeah just did that, and now its 1gbps
13:40
<muppis>
:D
13:40
<VectorX>
the cable from the adsl router is 100mbps anyway, so switched the 2
13:45
<gvy>
:)
13:45
muppis, diags is not exactly namecalling :)
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13:50
<muppis>
gvy, I know. I just thought cable are already checked. :)
13:55
We got D-Link's wlan at work. I need to reboot it once a week to keep it running. It's only used by phones and probably only for email checking.
14:02
<VectorX>
:)
14:07
<gvy>
muppis, the most obvious cause usually manages to escape attention :)
14:07
<muppis>
Mostly.
14:08
<gvy>
muppis, maybe it's worth updating the firmware or changing to *wrt one (but I stick with factory one on dir-300 at home since it just works and I've got enough other toys to play with)
14:09
<muppis>
Firmware is in the latest one and wrt doesn't support that model.
14:10
Or at least by dd-wrt, haven't checked openwrt.
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14:20
<alkisg>
For some reason, when clients login to FAT clients, an /etc/cups/client.conf file is automatically generated, with "ServerName server-ip" as its contents. At logoff, it's erased.
14:21
That file prevents the clients from seeing the local printers though, as it overrides the default "ServerName localhost"
14:21
Any idea how to stop that file from being automatically generated, except than... creating a directory with that name? (that works but it's a very silly workaround...)
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14:26
<muppis>
Does it get generated if file exist?
14:26
<alkisg>
Yes, and unfortunately chattr doesn't work with squashfs/tmpfs
14:27
At least with the client.conf directory hack, I can put printers in any fat client in the school, with dynamic ips etc, and anyone can see them... it's just a very silly workaround :(
14:28
<muppis>
Well. If it works, why to mind it?
14:29
<alkisg>
To create a proper how/solution/script for it, to have it work without any workarounds at all, to be easier for other people to do the same
14:29
I'm not only caring for myself :)
14:29
<muppis>
I know.
14:30
May be you should look up that script (if it is a script) which generates that file and to a patch for that.
14:31
<alkisg>
I was able to use inotifywait to see that something creates/deletes that file on login, but I wasn't able to see what script creates it
14:45
<muppis>
I just upgraded my server to 11.10 and recreated chroot from scratch. After login to thin got empty panels and no menus at all, even I wiped user the home dir.
14:51
Is there way to select Gnome Shell as default?
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15:45
<tristezo2k>
Hello *
15:46
I just setup an ltsp server and a client using virtualbox
15:46
I can boot ok, and it seems to work
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15:46
<tristezo2k>
Is there any particular tool to manage users in the ltsp environmen?
15:46
something like a directory server?
15:47
should I go ldap?
15:47
I will need to provide an easy way to add/modify/remove users
15:48
moreover, is sabayon the recommended way t osetup ltsp clients environment?
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15:54
<komunista>
tristezo2k: I am using ldap + lam - the web frontend for ldap, which can easy import accounts from CSV file
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16:17
<tristezo2k>
sorry for the delay komunista
16:17
what is lam in this context?
16:17
I am trying to solve my problems in advance :)
16:18
oh
16:18
ldap-account-manager
16:18
great.
16:18
I was thinking that way too...
16:18
<komunista>
yes, ldap-account-manager
16:19
<tristezo2k>
and setup ltsp clients to authenticate at the ltsp server
16:19
Will go that way.
16:19
Thanks komunista for your help :)
16:23
<komunista>
tristezo2k: you have set the LTSP server for ldap
16:24
because, the LTSP server is machine, where are clients loged in
16:25
<gvy>
tristezo2k, if all of your users work on a single terminal server, you have no urgent need to mess with ldap or whatever -- just create them locally on the server, and log in from any client
16:27
<tristezo2k>
gvy: well, the need is that the persons who will use this setup
16:27
are quite technicall challenged
16:27
I can´t rely on asking them to log on the server and perform not even the simplest administration tasks
16:28
I might be better using webmin, now that I think of it
16:29
komunista: yes, I was planning to use openldap at the ltsp server or at other virtual machine.
16:29
<gvy>
tristezo2k, that's just to reiterate: keep things simple
16:30
<tristezo2k>
indeed... the kiss principle :)
16:30
Will go with webmin.
16:30
<gvy>
there are lots of user friendly frontends for useradd(8), and openldap might prove to be more fragile even if vile bdb backend days are gone
16:30
if you can add a plain local user on the server, you should be able to log in with the password from a client
16:31
we used that feature to cut down on maintenance while migrating older workstations from windows
16:31
(using ALTSP)
16:31
<tristezo2k>
Now that I think of it, what is the relationship between /opt/ltsp chroot with /etc/passwd users?
16:32
bear with me, this is the second day I work on ltsp
16:32
<gvy>
chroot only serves to get an X server running on a client, roughly
16:32
the user processes are run on the app server (except for localapps)
16:32
tristezo2k, np :)
16:32
<tristezo2k>
I understand that, in fact I found that I need a fat client
16:32
<gvy>
ah.
16:32
<tristezo2k>
since I bussiness needs to run softphone
16:32
at the clients
16:32
<gvy>
that's a different story
16:33
<tristezo2k>
and some other things, and clients are quite powerfull
16:33
<gvy>
I've read of succeffsully using pulseaudio for recording with softphones in callcenters
16:33
but that might be trickier than getting fat
16:33
<tristezo2k>
THe recording is solved at the asterisk
16:33
they are migrating a man hour eating WinXP instalation to ltsp
16:34
<gvy>
I meant mic rather than permanent records :)
16:34
<tristezo2k>
Mic?
16:34
<gvy>
microphone
16:34
<tristezo2k>
oh!
16:34
ok
16:34
<gvy>
SIGSRY
16:35
well I've got almost no experience with localapps, then you might need ldap or kerberos auth indeed
16:35
<komunista>
tristezo2k: I am using the ldap database for another purposes too, if you need it only for ltsp, the ldap is very, very big for this
16:35
<tristezo2k>
agreed komunista
16:35
<gvy>
+1
16:35
<tristezo2k>
I think I will go with webmin
16:35
thanks a lot for your experiences :)
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18:46
<slicknick5181>
If I have a dhcp server in my router do I need to config dhcpd.conf
18:51
<gvy>
for network boot? rather yes since average router firmware won't provide the means to pass the needed options
18:54
<slicknick5181>
gvy: thanks, Also when I installed ubuntu server I used the Ethernet card for Internet during installation but now I want to use that card just for the clients. What all might I have to change around
18:54
<gvy>
you might want *two* cards :)
18:54
<slicknick5181>
Well I have a wifi card for internet
18:54
<gvy>
it's the easiest setup to maintain, imho
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18:55
<slicknick5181>
I have | internet modem > wireless > server | -then I want- |server > ethernet card > clients
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