Re: [Ltsp-discuss] parallel AC and CAT5 cables = impossible?

2007-06-29 Thread Jim Kusznir
>From your initial post, it sounds like the AC and CAT5 will each be in
their own conduit (i.e., the AC will NOT be running in the SAME
conduit as the cat-5).  If this is the case, I suspect you'll be fine
with 100Mbps..Don't know about Gig, though.

If you're concerned, running shielded cable (and using shielded
connectors on one end of the cable or otherwise making sure to connect
the shields to a ground on one end) could only improve things.

--Jim

On 6/29/07, Jaimie Garner <[EMAIL PROTECTED]> wrote:
> I would think if the AC is shielded and the Cat5 is shielded should be
> fine. if you can I would do a short test run if there are some junction
> boxes where you could pull the cat5 out. Running 80 not that big a deal
> if you had to pull it all out and do something different.
> light being wrote:
> > I'm in brazil, codes are not exactly a problem...
> > Some runs being around 80 feet and the espresso machine using up to
> > 2500 watts might be more serious.
> >
> > Maybe I'll try using shielded cable for the first time in my life...
> >
> >
> >>
> >> Check you local electric codes. Oregon you can not run low voltage with
> >> High voltage they would have to be in their own conduits. I am not sure
> >> on emi though but I have ran cat5 and 110 together with no problems.
> >>
> >> Jaimie
> >>
> >> light being wrote:
> >> > I'm about to start running cable through plastic conduits for cat5
> >> > that were run parallel to AC lines, also inside plastic conduits. It's
> >> > all cemented into walls.
> >> >
> >> > Is there are hope of this conduit still being useful? Do I need to
> >> > reinstall or reroute the cat5 cables elsewhere, away from the power
> >> > lines? A lot of effort and money has gone into installing these
> >> > conduits for hiding the cat5 wires.
> >> >
> >> > Is running the network cables at 10mbits any help?
> >> >
> >> > _
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Re: [Ltsp-discuss] parallel AC and CAT5 cables = impossible?

2007-06-29 Thread Jaimie Garner
I would think if the AC is shielded and the Cat5 is shielded should be 
fine. if you can I would do a short test run if there are some junction 
boxes where you could pull the cat5 out. Running 80 not that big a deal 
if you had to pull it all out and do something different.
light being wrote:
> I'm in brazil, codes are not exactly a problem...
> Some runs being around 80 feet and the espresso machine using up to 
> 2500 watts might be more serious.
>
> Maybe I'll try using shielded cable for the first time in my life...
>
>
>>
>> Check you local electric codes. Oregon you can not run low voltage with
>> High voltage they would have to be in their own conduits. I am not sure
>> on emi though but I have ran cat5 and 110 together with no problems.
>>
>> Jaimie
>>
>> light being wrote:
>> > I'm about to start running cable through plastic conduits for cat5
>> > that were run parallel to AC lines, also inside plastic conduits. It's
>> > all cemented into walls.
>> >
>> > Is there are hope of this conduit still being useful? Do I need to
>> > reinstall or reroute the cat5 cables elsewhere, away from the power
>> > lines? A lot of effort and money has gone into installing these
>> > conduits for hiding the cat5 wires.
>> >
>> > Is running the network cables at 10mbits any help?
>> >
>> > _
>> > PC Magazine’s 2007 editors’ choice for best Web mail—award-winning
>> > Windows Live Hotmail.
>> > 
>> http://imagine-windowslive.com/hotmail/?locale=en-us&ocid=TXT_TAGHM_migration_HM_mini_pcmag_0507
>>  
>>
>> >
>> >
>> >
>> > 
>> 
>> >
>> > 
>> - 
>>
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>
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Re: [Ltsp-discuss] parallel AC and CAT5 cables = impossible?

2007-06-29 Thread light being

I'm in brazil, codes are not exactly a problem...
Some runs being around 80 feet and the espresso machine using up to 2500 
watts might be more serious.


Maybe I'll try using shielded cable for the first time in my life...




Check you local electric codes. Oregon you can not run low voltage with
High voltage they would have to be in their own conduits. I am not sure
on emi though but I have ran cat5 and 110 together with no problems.

Jaimie

light being wrote:
> I'm about to start running cable through plastic conduits for cat5
> that were run parallel to AC lines, also inside plastic conduits. It's
> all cemented into walls.
>
> Is there are hope of this conduit still being useful? Do I need to
> reinstall or reroute the cat5 cables elsewhere, away from the power
> lines? A lot of effort and money has gone into installing these
> conduits for hiding the cat5 wires.
>
> Is running the network cables at 10mbits any help?
>
> _
> PC Magazine’s 2007 editors’ choice for best Web mail—award-winning
> Windows Live Hotmail.
> 
http://imagine-windowslive.com/hotmail/?locale=en-us&ocid=TXT_TAGHM_migration_HM_mini_pcmag_0507

>
>
>
> 
>
> 
-

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Re: [Ltsp-discuss] Which is the most stable LTSP distro

2007-06-29 Thread Jaimie Garner
I am not worried about OS changes I run an ISP that provides services to 
the sate of Oregon and use several os's, everything from Debian to 
Solaris even have 1 box built from the Linux From Scratch so moving 
around distros does not bother me. The hardware checks out it's all 
good. have serveral of these servers built with no problems and they run 
Debian and FC7 and one has FreeBSD 6.2. And besides the Server runs 
great used it all day to do research and no stability problems. Although 
the hardware  may be a problem for the LTSP  but that I doubt though. I 
get the graphic login screen and I can boot and run the clients using 
GDM and Window Maker. This is a KDM or KDM / XDMCP in Fedora 7 problem I 
have nailed down to that. Found alot of bugs listed from Kubuntu so I 
have a feeling this may be related to that. Fact I set up 3 other Fedora 
machines all 32 bit that range from 1GB to 2 GB ram and none of them 
will remote X using KDM. They all have the same symptom and the  same 
errors.

 I am switching back to FC6 from the K12 project and see how that goes. 
I know it will work as its been proven in a high school in my area, 
Riverdale, and I'll come back to FC7 and see if I cant get LTSP-5 to 
work. Any one working on that at the moment and have code to share? I 
have bandwidth servers, thin clients what ever needed.

[EMAIL PROTECTED] wrote:
>
> I think that you are taking a big risk assuming that kde,fedora,amd-64 is the 
> issue here. These are well used, known to work, areas of the world. 
>
> There *may* be issues with 8G ram and the above.
>
> There *may* be issues with hardware.
>
> Swapping Distro's is a risky path: The same issue may occur in another distro 
> and you've proved NOTHING.
>
> I'd start by winding the server down to 1G RAM, then taking small steps to 
> identify the area of issue. You could also start by installing a 32bit 
> CentOS, SuSE, heck even Fedora and trying that (The performance diff 32 to 64 
> is small, probably under 10%, but it would give some milestones)
> Going to the Debian way from the RedHat way is quite a significant step, so 
> I'd ignore ubuntu for the moment. (but it's worth doing for your own 
> edification and delight)
> James
>
> -
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Re: [Ltsp-discuss] parallel AC and CAT5 cables = impossible?

2007-06-29 Thread Jaimie Garner
Check you local electric codes. Oregon you can not run low voltage with 
High voltage they would have to be in their own conduits. I am not sure 
on emi though but I have ran cat5 and 110 together with no problems.

Jaimie

light being wrote:
> I'm about to start running cable through plastic conduits for cat5 
> that were run parallel to AC lines, also inside plastic conduits. It's 
> all cemented into walls.
>
> Is there are hope of this conduit still being useful? Do I need to 
> reinstall or reroute the cat5 cables elsewhere, away from the power 
> lines? A lot of effort and money has gone into installing these 
> conduits for hiding the cat5 wires.
>
> Is running the network cables at 10mbits any help?
>
> _
> PC Magazine’s 2007 editors’ choice for best Web mail—award-winning 
> Windows Live Hotmail. 
> http://imagine-windowslive.com/hotmail/?locale=en-us&ocid=TXT_TAGHM_migration_HM_mini_pcmag_0507
>  
>
>
>
> 
>
> -
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[Ltsp-discuss] parallel AC and CAT5 cables = impossible?

2007-06-29 Thread light being
I'm about to start running cable through plastic conduits for cat5 that were 
run parallel to AC lines, also inside plastic conduits. It's all cemented 
into walls.


Is there are hope of this conduit still being useful?  Do I need to 
reinstall or reroute the cat5 cables elsewhere, away from the power lines?  
A lot of effort and money has gone into installing these conduits for hiding 
the cat5 wires.


Is running the network cables at 10mbits any help?

_
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Re: [Ltsp-discuss] Which is the most stable LTSP distro

2007-06-29 Thread jam
On Saturday 30 June 2007 03:06, [EMAIL PROTECTED] 
wrote:
> I have set up several LTSP 4 servers in the past using FC 4 -6 with very
> little problems. I am building a LTSP - thin client setup for a call
> center in Portland Oregon and I started off with Fedora 7. I have been
> having major issues getting  the KDM  login to work.  Seems there is
> some sorta bug in the KDM or kdm_greet that I have been unable to
> resolve. After spending about 10 hours researching this and trying all
> kinds of fixes / workarounds I am looking to new distro. I just wanted
> some input from others as to what they are running. I am looking to use  
> Ubuntu preferably Kubuntu as I don't care much for Gnome, KDE fan. I am
> just not sure which Version of Kubuntu to use as I have never ran any of
> the Ubuntu distros. I am very fond of Debian and have been using it
> since the days of downloading several floppies to install the base
> system and net install over a dial-up.
>
> Here is the errors from my log in case some one has any other input. I
> am also willing to work with anyone that is trying to get Fedora 7 up
> and running proper as I have another lab in-house, but for the moment I
> have a week to get the call center up.
>
> LTSP version 4-2
[snip]

I think that you are taking a big risk assuming that kde,fedora,amd-64 is the 
issue here. These are well used, known to work, areas of the world. 

There *may* be issues with 8G ram and the above.

There *may* be issues with hardware.

Swapping Distro's is a risky path: The same issue may occur in another distro 
and you've proved NOTHING.

I'd start by winding the server down to 1G RAM, then taking small steps to 
identify the area of issue. You could also start by installing a 32bit 
CentOS, SuSE, heck even Fedora and trying that (The performance diff 32 to 64 
is small, probably under 10%, but it would give some milestones)
Going to the Debian way from the RedHat way is quite a significant step, so 
I'd ignore ubuntu for the moment. (but it's worth doing for your own 
edification and delight)
James

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[Ltsp-discuss] How to try the latest builds of LTSP 5.

2007-06-29 Thread Krsnendu dasa
I have been using ltsp 4.2 (K12ltsp 6 and earlier) for a few years now
and now I want to get up to speed with ltsp 5. I have downloaded
Edubuntu Gutsy Gibbon Daily build and I have installed it as a VMware
VM. How do I keep it up to date to try out the latest ltsp 5 features?
Do I just run all the updates to Edubuntu, or is there a way I can
just update the ltsp part without affecting the Ubuntu part? (DirectX
script etc.)

I also have a Edubuntu Feisty VM at school that I am experimenting
with using real clients and I have a regular Ubuntu installation at
home that I am testing with 64bit VMware clients.

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Re: [Ltsp-discuss] Ltsp time counter

2007-06-29 Thread jam
On Saturday 30 June 2007 03:06, [EMAIL PROTECTED] 
wrote:
> I'm looking for help regarding time controlled logins to ltsp
> workstations. I have ltsp 4.2 with Fedora Core 6 installed,
> authentication is done through LDAP.
> This is for a proposed public access solution at one of our educational
> institutions, with about 8000 students. The plan is to start off with a
> 30 station solution and than expand at a later stage.
>
> What remains a big issue is that with these limited resources available,
> we would like to give as many students as possible access to a
> workstation per day.
> Which means that we need to limit the time these guys spend on a
> workstation to maximum 1 hour per day, they should not be able to login
> again for that day, inactivity logout, say after 10 min, etc
>
> I know there is no easy solution nor off the self solution to this, but
> could be done with some scripts. Now this is where the problem comes in.
> My scripting is not great, not even at entry level, but I know
> somethings could be done with linux through "last", finger, etc.
>
> I need you help, any suggestion would be much appreciated.

Guys
I'm neither a PAM fan or guru but without doubt this is comprehensivley 
handled by PAM. 
I also have no doubt that you would need to write your own module.

But a suitable module, using a database would work well and all the time and 
effort channeled into scripting hacks would be available for ltsp for all 
future needs of a similar nature (whereas the hacks stay as inconvenient 
hacks)

James

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[Ltsp-discuss] LDM_DIRECTX option

2007-06-29 Thread Anthony M Simonelli
The new LDM script available on launchpad.net adds additional lts.conf options 
such as LDM_DIRECTX.  This allows users to connect without proxying X traffic 
through SSH, which has improved the performance a great deal.  Unfortunately, I 
have trouble using the lock screen and switch user options.  Because we use 
this in a business environment, lock screen is somewhat essential.  I am unsure 
as to why this happens but I've noticed a few differences.

user1pts/02007-06-29 16:24 (192.168.0.146:6.0)  <-- LDM_DIRECTX=True
user2pts/12007-06-29 16:53 (localhost:10.0)   <-- 
LDM_DIRECTX=False

LDM_DIRECTX=True
[EMAIL PROTECTED]:~$ gdmflexiserver -d -n
I get a pop-up window stating the following:
"You do not seem to have the authentication needed for this operation.  Perhaps 
your .Xauthority file is not set up correctly.

LDM_DIRECTX=False
[EMAIL PROTECTED]:~$ gdmflexiserver -d -n
Sending command: 'VERSION'
  Got response: 'GDM 2.18.1'
Sending command: 'AUTH_LOCAL 379cba207c8bdec8e6e4fd896a38dfc6'
  Got response: 'ERROR 100 Not authenticated'
Sending command: 'FLEXI_XNEST localhost:10 1002 
379cba207c8bdec8e6e4fd896a38dfc6 /home/user2/.Xauthority'
  Got response: 'OK :20'
Sending command: 'CLOSE'

LDM_DIRECTX=True
Lock Screen

I get a pop-up window stating the following:

"Error while running command:  **Mesage: Screensaver is not running!"



LDM_DIRECTX=False
Lock Screen works.


Though it would be nice if this was somehow resolved, I'm really just looking 
as to why this would be?  Everything else works without a hitch and I'm just 
trying to figure out why this last bit doesn't work.  Anyone have any ideas?






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Re: [Ltsp-discuss] Which is the most stable LTSP distro

2007-06-29 Thread Rob Owens
I've been using LTSP 4.2 on both Xubuntu 6.10 and Ubuntu 6.06, basically 
since those distros were released. No LTSP-related problems whatsoever.

I'm also now using K12LTSP 5.0EL (which is CentOS 5 and LTSP 4.2). I 
haven't been using it long enough to claim it's perfectly stable, but I 
haven't had any issues yet (with the exception of a couple bugs while it 
was still in beta, but those are fixed now).

-Rob

Jaimie Garner wrote:
> Hello all
> I have set up several LTSP 4 servers in the past using FC 4 -6 with very 
> little problems. I am building a LTSP - thin client setup for a call 
> center in Portland Oregon and I started off with Fedora 7. I have been 
> having major issues getting  the KDM  login to work.  Seems there is 
> some sorta bug in the KDM or kdm_greet that I have been unable to 
> resolve. After spending about 10 hours researching this and trying all 
> kinds of fixes / workarounds I am looking to new distro. I just wanted 
> some input from others as to what they are running. I am looking to use  
> Ubuntu preferably Kubuntu as I don't care much for Gnome, KDE fan. I am 
> just not sure which Version of Kubuntu to use as I have never ran any of 
> the Ubuntu distros. I am very fond of Debian and have been using it 
> since the days of downloading several floppies to install the base 
> system and net install over a dial-up.
>
> Here is the errors from my log in case some one has any other input. I 
> am also willing to work with anyone that is trying to get Fedora 7 up 
> and running proper as I have another lab in-house, but for the moment I 
> have a week to get the call center up.
>
> LTSP version 4-2
>
> Jun 29 00:26:57 ltsp dhcpd: DHCPDISCOVER from 00:13:90:01:ad:4c via eth1
> Jun 29 00:26:57 ltsp dhcpd: DHCPOFFER on 192.168.1.130 to 
> 00:13:90:01:ad:4c via eth1
> Jun 29 00:26:57 ltsp dhcpd: DHCPREQUEST for 192.168.1.130 (192.168.1.1) 
> from 00:13:90:01:ad:4c via eth1
> Jun 29 00:26:57 ltsp dhcpd: DHCPACK on 192.168.1.130 to 
> 00:13:90:01:ad:4c via eth1
> Jun 29 00:26:57 ltsp mountd[5565]: authenticated mount request from 
> ws130.ltsp:1019 for /opt/ltsp/i386 (/opt/ltsp/i386)
> Jun 29 00:27:21 ltsp kdm_greet[5953]: Internal error: memory corruption 
> detected
> Jun 29 00:27:31 ltsp kdm_greet[6021]: Internal error: memory corruption 
> detected
> Jun 29 00:27:31 ltsp kernel: kdm[6017]: segfault at  rip 
> 003aa7077180 rsp 7fffb10e9478 error 4
> Jun 29 00:27:31 ltsp kdm[5650]: Unknown session exit code 0 (sig 11) 
> from manager process
> Jun 29 00:29:35 ltsp kdm_greet[6043]: Internal error: memory corruption 
> detected
> Jun 29 00:29:35 ltsp kernel: kdm[6039]: segfault at  rip 
> 003aa7077180 rsp 7fffb10e9478 error 4
> Jun 29 00:29:35 ltsp kdm[5650]: Unknown session exit code 0 (sig 11) 
> from manager process
>
> This happens after trying to login from the clients. Loging in on the 
> server works fine. I have tried using XDM, GDM, get the same problem.
>
> Server is a dual AMD64 dual-core opeteron, Tyan board, 8 GB mem, running 
> 64bit fedora (this may have something to do with it) All hardware 
> functions and the server runs great on the desktop.
> Thin clients are from Diskless Workstations LTSP T1225. They work great 
> nice machines.
>
> Thanks to anyone that has input!!
> Jaimie Garner
> On-Site PCS
> Portland Oregon
>
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Re: [Ltsp-discuss] Which is the most stable LTSP distro

2007-06-29 Thread Frank Cox
On Fri, 29 Jun 2007 08:34:22 -0700
Jaimie Garner <[EMAIL PROTECTED]> wrote:

> I started off with Fedora 7. I have been 
> having major issues getting  the KDM  login to work.

I am using Fedora 7 with LTSP 4.2 and have no problems like that.  I'm using
GDM.

Are you sure you have updated your F7 to the latest fixes?  There have been
several updates released in the past couple of weeks.  My computer is generally
much more stable now than it was two weeks ago.

-- 
MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com

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[Ltsp-discuss] Which is the most stable LTSP distro

2007-06-29 Thread Jaimie Garner
Hello all
I have set up several LTSP 4 servers in the past using FC 4 -6 with very 
little problems. I am building a LTSP - thin client setup for a call 
center in Portland Oregon and I started off with Fedora 7. I have been 
having major issues getting  the KDM  login to work.  Seems there is 
some sorta bug in the KDM or kdm_greet that I have been unable to 
resolve. After spending about 10 hours researching this and trying all 
kinds of fixes / workarounds I am looking to new distro. I just wanted 
some input from others as to what they are running. I am looking to use  
Ubuntu preferably Kubuntu as I don't care much for Gnome, KDE fan. I am 
just not sure which Version of Kubuntu to use as I have never ran any of 
the Ubuntu distros. I am very fond of Debian and have been using it 
since the days of downloading several floppies to install the base 
system and net install over a dial-up.

Here is the errors from my log in case some one has any other input. I 
am also willing to work with anyone that is trying to get Fedora 7 up 
and running proper as I have another lab in-house, but for the moment I 
have a week to get the call center up.

LTSP version 4-2

Jun 29 00:26:57 ltsp dhcpd: DHCPDISCOVER from 00:13:90:01:ad:4c via eth1
Jun 29 00:26:57 ltsp dhcpd: DHCPOFFER on 192.168.1.130 to 
00:13:90:01:ad:4c via eth1
Jun 29 00:26:57 ltsp dhcpd: DHCPREQUEST for 192.168.1.130 (192.168.1.1) 
from 00:13:90:01:ad:4c via eth1
Jun 29 00:26:57 ltsp dhcpd: DHCPACK on 192.168.1.130 to 
00:13:90:01:ad:4c via eth1
Jun 29 00:26:57 ltsp mountd[5565]: authenticated mount request from 
ws130.ltsp:1019 for /opt/ltsp/i386 (/opt/ltsp/i386)
Jun 29 00:27:21 ltsp kdm_greet[5953]: Internal error: memory corruption 
detected
Jun 29 00:27:31 ltsp kdm_greet[6021]: Internal error: memory corruption 
detected
Jun 29 00:27:31 ltsp kernel: kdm[6017]: segfault at  rip 
003aa7077180 rsp 7fffb10e9478 error 4
Jun 29 00:27:31 ltsp kdm[5650]: Unknown session exit code 0 (sig 11) 
from manager process
Jun 29 00:29:35 ltsp kdm_greet[6043]: Internal error: memory corruption 
detected
Jun 29 00:29:35 ltsp kernel: kdm[6039]: segfault at  rip 
003aa7077180 rsp 7fffb10e9478 error 4
Jun 29 00:29:35 ltsp kdm[5650]: Unknown session exit code 0 (sig 11) 
from manager process

This happens after trying to login from the clients. Loging in on the 
server works fine. I have tried using XDM, GDM, get the same problem.

Server is a dual AMD64 dual-core opeteron, Tyan board, 8 GB mem, running 
64bit fedora (this may have something to do with it) All hardware 
functions and the server runs great on the desktop.
Thin clients are from Diskless Workstations LTSP T1225. They work great 
nice machines.

Thanks to anyone that has input!!
Jaimie Garner
On-Site PCS
Portland Oregon

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Download DB2 Express C - the FREE version of DB2 express and take
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_
Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
  https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
For additional LTSP help,   try #ltsp channel on irc.freenode.net