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


Channel log from 5 March 2016   (all times are UTC)

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04:53
<Arne>
#grml
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05:53
<Guest66051>
hi
05:53
<alkisg>
Hello
05:54
<Guest66051>
what is difference between ltsp and vm
05:55
<alkisg>
A Virtual Machine is a way to install and test an operating system in a virtual computer, virtualbox, vmware etc
05:56
LTSP is a way to netboot many computers from a single imager
05:56
*image
06:00
<Guest66051>
In ltsp client desktop uses own resources or server resources.
06:00
<alkisg>
You can select that with one line in a configuration file
06:00
<Guest66051>
ok
06:00
<alkisg>
LTSP_FATCLIENT=True or False in lts.conf
06:01
!ltsp-pnp
06:01
<ltsp>
ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
06:01
<alkisg>
This is the easiest way to test ltsp
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06:48
<gehidore>
what might one suggest for thin clients to purchase to replace failing p4 boxes... on a budget... USD
06:49
<alkisg>
gehidore: we're using this one: http://www.e-shop.gr/mitriki-asrock-qc5000m-retail-p-PER.528863
06:49
Use google translate
06:49
With < 100 euros we have a new system with 1900 passmark score
06:49
It's an all-in-one motherboard, cpu included
06:50
<gehidore>
alkisg: looking now, asrock has really moved up in the world, they used to be such shit
06:50
<alkisg>
Add some RAM to the mix, reuse the existing p4 case...
06:51
<maldridge>
my only complaint with asrock is they seem to continually have buggy BIOS software
06:52
<gehidore>
tbh I'm tempted to just shell out on a bunch of rpi2's but... meh
06:52
likely my budget will end up @ 600USD or less
06:52
<alkisg>
To compare, rpi2s will be slower than your old p4
06:52
<gehidore>
for 5-6 machines
06:52
aye the problem I'm having is the hardware actually failing
06:53
<alkisg>
Something like <200 passmark score, compared to the 1900 of that asrock motherboard
06:53
<maldridge>
ouch, what about used?
06:53
<gehidore>
impressive alkisg
06:53
would those do fatclients well?
06:53
<alkisg>
Of course, they'd even work as LTSP servers
06:53
<gehidore>
which is what I'm thinking I want to do otherwise my budget will go to beefing the pxe server and do thin clients...
06:54
current server is some amdx2 box from probably 04 or 06
06:54
first or second dual core amd box
06:54
<alkisg>
Check its passmark
06:54
I'm guessing it's lower than 1000
06:54
<gehidore>
lemme ssh the bugger
06:58
an't say I've ever used passmark
06:59
<alkisg>
gehidore: less /proc/cpuinfo
06:59
<gehidore>
oh just compare to the site
06:59
<alkisg>
And google the cpu name with just "passmark" to the right
06:59
Right
06:59
The good thing with it is that when you see "1900" for a cpu, and "190" for another, it's actually 10 times faster
06:59
<gehidore>
http://www.cpubenchmark.net/cpu.php?cpu=AMD+Athlon+64+X2+Dual+Core+3800%2B heh damn close
06:59
<alkisg>
It's not just "a bit faster", you get a real feeling of the difference
07:00
OK, so those boxes will be twice as fast as your server
07:00
<gehidore>
it's newer than I thought it was
07:00
one of those things someone was tossing out so I nabbed it as we're a genuine non-profit
07:02
damn alkisg those are some nice little machines
07:03
55USD
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19:13
<tharkun>
I'm setting up pxe to boot some machines through the network, Since this machines have ailing hdds I thought of a server side solution to have them running. Is ltsp my way to explore or am I lost?
19:13
<alkisg>
Sure, ltsp can help there
19:13
!ltsp-pnp
19:13
<ltsp>
ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
19:13
<alkisg>
Here's an easy way to install it ^
19:14
<tharkun>
alkisg: Thanks I'll read it and come back to bug later.
19:14
<alkisg>
ok
19:15
<tharkun>
Is a graphical environment required at the server?
19:15
<alkisg>
No, but it's easier if you have one there
19:15
<tharkun>
Ok
19:15
<alkisg>
What are your client specs? cpu/ram?
19:16
<tharkun>
old/small
19:16
and older/smaller.
19:16
<alkisg>
Like pentium 4 with 256 ram?
19:16
<tharkun>
pentium 4 with 512mb even a pentium 3 with 256
19:16
<alkisg>
Then you do need a beefy server with graphical environment
19:17
<tharkun>
Ok, What would be my cutoff line where I can spare the new server?
19:17
<alkisg>
How many clients?
19:17
<tharkun>
For the moment like 10
19:18
<alkisg>
Then you'd need something with 8 GB RAM and about 4000 score in passmark
19:18
<tharkun>
passmark?
19:18
<alkisg>
Your clients are not good enough to run linux locally, so they'll work better as ltsp thin clients, with a good server
19:19
it's just a web site that has cpu scores
19:19
E.g. here's a cpu: http://www.cpubenchmark.net/cpu.php?cpu=Intel+Core+i3-4150+%40+3.50GHz
19:19
<tharkun>
They all do run linux locally. I stream lined the setups so they could work.
19:19
I have a linux machine that is running on 128Mb ram as an email server
19:19
<alkisg>
Are you satisfied with linux in pentium 3 and 256 mb ram?
19:20
<tharkun>
Those 3 machines were scheduled to be replace last year. But the budget was cut :(
19:21
<alkisg>
Whatever you can run locally, you can also run it via ltsp
19:22
But graphical recent linux in under 256 MB RAM, will be really slow, while as a thin client it'll work nicely
19:23
<tharkun>
Ok, Can I have a mix of fat and thin clients according to hw capabilities?
19:24
<alkisg>
Sure, it's just one variable to set/unset
19:24
LTSP_FATCLIENT=True or False
19:25
<tharkun>
Ok. I will start with the fat clients and see if I can replace, canibalize the smaller to get more ram or something.
19:26
What would be the passmark of a Intel(R) Xeon(TM) CPU 3.60GHz
19:27
<alkisg>
http://www.cpubenchmark.net/cpu.php?cpu=Intel+Xeon+3.60GHz
19:28
500 score, that's barely enough for a fat client
19:28* alkisg prefers clients over 1000, and new clients over 2000
19:28
<alkisg>
...and servers over 5000
19:29
<tharkun>
That was the server, although it is dual core, not single core.
19:30
<alkisg>
You're seriously underpowered :)
19:30
<tharkun>
I am doing magic.
19:30
<alkisg>
I'd go for windows 2000 with that kind of hardware :)
19:33
<maldridge>
alkisg: what, not the enterprise power of windows NT?
19:34* alkisg has a photo of 50 such computers from yesterday, we had a cleaning day at work...
19:34
<alkisg>
piled up to the ceiling, from pentium 1 to pentium 4
19:34
<maldridge>
ours are arranged in a "throne" of long dead tech
19:43
<alkisg>
https://goo.gl/photos/zXTBJJqwb8tRnxbN6
19:44
<maldridge>
so I have to ask, why is there a leafblower in the box
19:44
<alkisg>
it's not for leaf, it's for spiders inside computer boxes ;d
19:45
*leaves
19:45
<maldridge>
oh my
19:45
<alkisg>
when schools bring us pcs, the repair procedure starts by removing the spiders
19:46
in 10% of the cases that's enough to get them working again ;p
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20:16
<maldridge>
its that serious of a problem?
20:19
<alkisg>
http://cdn5.thinkcomputers.org/wp-content/uploads/2014/02/the_disgusting_things_found_inside_pcs_04-415x260.jpg
20:20
Nah, just joking. We do get a lot of dirt, but it rarely makes them malfunction
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