edubuntu-users Digest, Vol 26, Issue 18

Bob Wooden rewdn at bellsouth.net
Sun Jul 27 23:22:03 BST 2008 

Had a similar experience recently. Check out this Ubuntuforum thread;

http://ubuntuforums.org/showthread.php?t=686966

Then check to see if you have xinetd installed or inetd installed.


On Sat, 2008-07-26 at 02:06 -0700, David Ally wrote:
> Hi Gavin,
>  
> The DHCP problem is resolved, but i'm having BusyBox prompt on the
> thin clients instead of loading the splash and gdm. Please help me.
>  
> David
> 
> 
> ----- Original Message ----
> From: "edubuntu-users-request at lists.ubuntu.com"
> <edubuntu-users-request at lists.ubuntu.com>
> To: edubuntu-users at lists.ubuntu.com
> Sent: Tuesday, July 22, 2008 12:00:03 PM
> Subject: edubuntu-users Digest, Vol 26, Issue 18
> 
> Send edubuntu-users mailing list submissions to
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> 
> 
> Today's Topics:
> 
>   1. Re: DHCP on 2nic system problem (David Ally)
>   2. Re: application prefered (mario salcedo)
>   3. LTSP-Server / printer configuration (rainer)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Mon, 21 Jul 2008 04:59:25 -0700 (PDT)
> From: David Ally <david_ally at yahoo.com>
> Subject: Re: DHCP on 2nic system problem
> To: edubuntu-users at lists.ubuntu.com
> Message-ID: <78005.78298.qm at web50411.mail.re2.yahoo.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Hi Gavin,
> Thanks so much. You know i actually decided to remove the other nic
> and have just one nic and could actully get the DHCP working, but then
> it get the point of loading the splash and gave me busy box, with
> "udevd-event[1443]: udev_rules_apply_format: unknown format variable
> '$:rvr1.0:cvnUknownChasisManufacture:ct3:cvrVersion1.00:'
> BusyBox v1.1.3 (Debian 1:1.1.3-5ubuntu12) Built-in shell (ash) Enter
> 'help' for list of built-in command.
> (initramfs)
> I was only trying to run away from one problem , but ran into another.
> Pls help.
> David
> 
> 
> 
> ----- Original Message ----
> From: "edubuntu-users-request at lists.ubuntu.com"
> <edubuntu-users-request at lists.ubuntu.com>
> To: edubuntu-users at lists.ubuntu.com
> Sent: Monday, July 21, 2008 12:00:02 PM
> Subject: edubuntu-users Digest, Vol 26, Issue 17
> 
> Send edubuntu-users mailing list submissions to
> ??? edubuntu-users at lists.ubuntu.com
> 
> To subscribe or unsubscribe via the World Wide Web, visit
> ??? https://lists.ubuntu.com/mailman/listinfo/edubuntu-users
> or, via email, send a message with subject or body 'help' to
> ??? edubuntu-users-request at lists.ubuntu.com
> 
> You can reach the person managing the list at
> ??? edubuntu-users-owner at lists.ubuntu.com
> 
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of edubuntu-users digest..."
> 
> 
> Today's Topics:
> 
> ? 1. Re: DHCP on 2nic system problem (Gavin McCullagh)
> ? 2. Desktop Install - Central Login ?? (David Stalane)
> ? 3. Re: Desktop Install - Central Login ?? (Gavin McCullagh)
> ? 4. Re: Desktop Install - Central Login ?? (David Stalane)
> ? 5. Re: Desktop Install - Central Login ?? (Gavin McCullagh)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sun, 20 Jul 2008 14:16:49 +0100
> From: Gavin McCullagh <gmccullagh at gmail.com>
> Subject: Re: DHCP on 2nic system problem
> To: edubuntu-users at lists.ubuntu.com
> Message-ID: <20080720131649.GV11658 at gmail.com>
> Content-Type: text/plain; charset=iso-8859-1
> 
> On Sat, 19 Jul 2008, David Ally wrote:
> 
> > I know some earlier adopters will have noticed this problem, I
> install
> > Edubuntu classroom server on a system that has 2 nic cards with LTSP
> > activated, but it is just not giving out IP addresses to the
> clients. I
> > have followes some links on ubuntu forum etc but now solution yet.
> > Please give me a lead on what is happening, i know it is?a problem
> from
> > my end, because Edubuntu works!
> 
> can you reply with some extra information:
> 
> 1. run "ps aux |grep dhcpd" and see if the dhcp server is running and
> on
> ? what interface, eg.
> 
> gavin at robin ~> ps aux |grep dhcpd
> gavin? ? 19810? 0.0? 0.1? 3004? 764 pts/6? ? S+? 14:13? 0:00 grep
> dhcpd
> dhcpd? ? 31979? 0.0? 0.0? 2872? 308 ?? ? ? ? Ss? Jul10?
> 0:02 /usr/sbin/dhcpd3 -q -pf /var/run/dhcp3-server/dhcpd.pid
> -cf /etc/ltsp/dhcpd.conf eth0
> 
> 2. Run "/sbin/ifconfig" to check what ip addresses are on what
> interfaces.
> 
> 3. The file /etc/ltsp/dhcpd.conf
> 
> If you give us the output of these three, we'll get some idea what
> your
> problem is.
> 
> Gavin 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Mon, 21 Jul 2008 15:34:17 +0800
> From: "David Stalane" <david at stalane.com>
> Subject: Desktop Install - Central Login ??
> To: edubuntu-users at lists.ubuntu.com
> Message-ID:
> ??? <f8669fd80807210034r26b76bf3t45efb393ea81ecd1 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Hi all,
> 
> I have downloaded the desktop and add-on cd's. can someone help me
> with an install model?
> 
> I have 10 x P4 2 Ghz 512 mb Ram 80GB hd? PC's in a small school lab +
> 2 more in the head teachers office. I want to expand 2 6 more for a
> total of 18 units.
> 
> I want the kids to be able to log in from any machine in the lab
> I want the teachers to be able to log in from any machine in the
> school
> 
> Do I have to use server/thin client or can i do this with the desktop
> install? i.e. having authentication and user space on just one box but
> run all the applications locally.
> 
> Thanks so much!
> David
> 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Mon, 21 Jul 2008 10:26:31 +0100
> From: Gavin McCullagh <gmccullagh at gmail.com>
> Subject: Re: Desktop Install - Central Login ??
> To: edubuntu-users at lists.ubuntu.com
> Message-ID: <20080721092631.GD28933 at gmail.com>
> Content-Type: text/plain; charset=us-ascii
> 
> Hi,
> 
> On Mon, 21 Jul 2008, David Stalane wrote:
> 
> > I want the kids to be able to log in from any machine in the lab
> > I want the teachers to be able to log in from any machine in the
> school
> 
> Thin clients would be a very quick way to do this, but installed
> desktops
> have their advantages too.
> 
> > Do I have to use server/thin client or can i do this with the
> desktop
> > install? i.e. having authentication and user space on just one box
> but
> > run all the applications locally.
> 
> You can store /home/ on a server with NFS, then mount that directory
> as
> /home on each desktop.? This will mean that user's files and settings
> are
> available from any computer.
> 
> You can use any of a number of centralised authentication schemes
> (LDAP,
> NIS, AD) to allow consistent logins on any computer.? I've never
> needed to
> make rules about which computers certain groups can login to, but I'm
> guessing that should be pretty doable.
> 
> Gavin
> 
> 
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Mon, 21 Jul 2008 18:05:33 +0800
> From: "David Stalane" <david at stalane.com>
> Subject: Re: Desktop Install - Central Login ??
> To: "Edubuntu Users Group" <edubuntu-users at lists.ubuntu.com>
> Message-ID:
> ??? <f8669fd80807210305n68fc6ac4ld8acb8fa377a93c at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Dear Gavin,
> 
> Thanks so much for replying. I am starting this tomorrow !!!
> 
> The reason I think I'll do full desktop installs is that all the PC's
> are identical and the spec is not good enough for a server and too
> good for thin client (they had bought the gear already)...I don't want
> to cannibalize the existing machines or spend anymore money.
> 
> Then again.... The school has an expansion plan to double the number
> of computers. Maybe I can make 2 thin clients from 1 fat one :D
> 
> Regards
> David
> 
> 
> On Mon, Jul 21, 2008 at 5:26 PM, Gavin McCullagh
> <gmccullagh at gmail.com> wrote:
> > Hi,
> >
> > On Mon, 21 Jul 2008, David Stalane wrote:
> >
> >> I want the kids to be able to log in from any machine in the lab
> >> I want the teachers to be able to log in from any machine in the
> school
> >
> > Thin clients would be a very quick way to do this, but installed
> desktops
> > have their advantages too.
> >
> >> Do I have to use server/thin client or can i do this with the
> desktop
> >> install? i.e. having authentication and user space on just one box
> but
> >> run all the applications locally.
> >
> > You can store /home/ on a server with NFS, then mount that directory
> as
> > /home on each desktop.? This will mean that user's files and
> settings are
> > available from any computer.
> >
> > You can use any of a number of centralised authentication schemes
> (LDAP,
> > NIS, AD) to allow consistent logins on any computer.? I've never
> needed to
> > make rules about which computers certain groups can login to, but
> I'm
> > guessing that should be pretty doable.
> >
> > Gavin
> >
> >
> > --
> > edubuntu-users mailing list
> > edubuntu-users at lists.ubuntu.com
> > Modify settings or unsubscribe at:
> https://lists.ubuntu.com/mailman/listinfo/edubuntu-users
> >
> 
> 
> 
> ------------------------------
> 
> Message: 5
> Date: Mon, 21 Jul 2008 11:15:28 +0100
> From: Gavin McCullagh <gmccullagh at gmail.com>
> Subject: Re: Desktop Install - Central Login ??
> To: edubuntu-users at lists.ubuntu.com
> Message-ID: <20080721101528.GI28933 at gmail.com>
> Content-Type: text/plain; charset=us-ascii
> 
> Hi,
> 
> On Mon, 21 Jul 2008, David Stalane wrote:
> 
> > The reason I think I'll do full desktop installs is that all the
> PC's
> > are identical and the spec is not good enough for a server and too
> > good for thin client (they had bought the gear already)...I don't
> want
> > to cannibalize the existing machines or spend anymore money.
> 
> That makes reasonable sense.? The only trouble with desktop installs
> is the
> maintenance is a lot greater.? You need to maintain the install on
> each
> desktop individually.? Some of this can be automated, but thin clients
> really are one machine.? 
> 
> I'm not sure of the status at this point of the diskless fat client
> (or
> whatever it's called).? The idea is that your desktops network boot,
> and
> take their applications, etc. from the server as with thin clients,
> but
> they actually run applications locally on the desktop, rather than
> running
> them on the server.? In principal, this should give you a single
> install to
> maintain, but use the computing power of the desktops.
> 
> I'm not honestly sure if this works well at this point though.? I've
> never
> done it myself.
> 
> Gavin
> 
> 
> 
> 
> ------------------------------
> 
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> End of edubuntu-users Digest, Vol 26, Issue 17
> **********************************************
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> ------------------------------
> 
> Message: 2
> Date: Mon, 21 Jul 2008 10:38:47 -0700 (PDT)
> From: mario salcedo <mariosr98 at yahoo.com>
> Subject: Re: application prefered
> To: Edubuntu Users Group <edubuntu-users at lists.ubuntu.com>
> Message-ID: <299537.92086.qm at web34803.mail.mud.yahoo.com>
> Content-Type: text/plain; charset=us-ascii
> 
> Thanks
> 
> 
> 
> ----- Original Message ----
> From: Gavin McCullagh <gmccullagh at gmail.com>
> To: edubuntu-users at lists.ubuntu.com
> Sent: Thursday, July 17, 2008 4:48:16 PM
> Subject: Re: application prefered
> 
> Hi,
> 
> On Thu, 17 Jul 2008, mario salcedo wrote:
> 
> > Hi, anybody know how I can change the text editor prefered. I prefer
> to
> > use vim but when I use visudo, this open vi.
> 
> Make sure vim is actually installed and put:
> 
>     export EDITOR=vim
> 
> into .bashrc in your home directory.  Next time you run bash, it
> should be
> there for you.  If you want to try it in your current shell, just run
> the
> above command in that shell.
> 
> Gavin
> 
> 
> -- 
> edubuntu-users mailing list
> edubuntu-users at lists.ubuntu.com
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> 
> 
>       
> 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Mon, 21 Jul 2008 20:41:43 +0200
> From: rainer <rainer at hamann-kiel.de>
> Subject: LTSP-Server / printer configuration
> To: edubuntu-users at lists.ubuntu.com
> Message-ID: <1216665703.10451.8.camel at rainer>
> Content-Type: text/plain
> 
> I installed ubuntu 8.04 amd64 on a terminal server, that we use in our
> school adminitration. There are 8 different users and 5 different
> printers. The problem is, that all users have the same default printer
> as I and cannot change it. When they try to do so, they are asked for
> their password at localhost, but their password is not accepted by the
> printer configuration tool. We need different printers for different
> users. Up to ubuntu 7.10 it was problem to set up different default
> printers.
> 
> Rainer Hamann
> 
> 
> 
> 
> ------------------------------
> 
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