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


Channel log from 14 November 2016   (all times are UTC)

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09:30
<serverbuild>
anyone awake?
09:30
<highvoltage>
nope
09:32
<serverbuild>
lol i see you are
09:33
i need some help build my server with linux
09:50
<highvoltage>
I see.
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10:02
<alkisg>
!ask | echo serverbuild:
10:02
<ltsp>
serverbuild: ask: Don't ask to ask a question, simply ask it, and if someone knows the answer, they'll respond. Please hang around for at least a full hour after asking a question, as not everybody constantly monitors the channel.
10:05
<serverbuild>
sorry i was looking it up
10:06
so i edited a file in etc/network/interface and i changed the second word after iface to eth0 and now i have no internet
10:06
<alkisg>
serverbuild: is this related to LTSP?
10:07
<serverbuild>
yes
10:07
<alkisg>
How?
10:07
<serverbuild>
im on ubuntu server
10:08
oh no lol
10:08
<alkisg>
This channel is about booting clients from the network... maybe you are in the wrong channel
10:09
<serverbuild>
could you happen to point me for my home server troubles
10:10
<alkisg>
How did you end up in this channel?!
10:10
<serverbuild>
I googled linux chat help
10:11
<alkisg>
https://community.ubuntu.com/help-information/finding-help/support/
10:11
See this page, it tells you where you can find support for ubuntu
10:17
<serverbuild>
ty
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14:47
<JuJUBee>
I need help finding out what is using all my bandwidth on my LTSP server. Currently ONLY gateway server and LTSP server are running. My ping times to google.com are over 1000. When I disconnect LTSP server ping times go to 15-20
14:49
<||cw>
JuJUBee: iftop is a handy tool
14:49
<JuJUBee>
||cw, I don't see anything startling with that
14:49
<||cw>
apt-get install iftop
14:50
<JuJUBee>
alredy did
14:50
also nethogs
14:50
<||cw>
so it doens't show any traffic on any of your network interfaces?
14:52
<JuJUBee>
Very strange. when I ran it earlier, it didn't reveal anything out of the ordinary other than a process of ? user root using some tcp
14:52
Now everything is running smoothly again.
14:52
ping times are back to teens
14:53
<||cw>
if you have no traffic, and simply plugging in or powering on the ltsp server causes your network to be swampped, then I'd suspect bad hardware
14:53
<JuJUBee>
||cw, didn't think of that.
14:53
<||cw>
back in the day we'd call that a "streaming nic", I don't know how common that still is
14:53
<JuJUBee>
However, now all looks back to normal
14:54
only took 2 hours to get there.
14:54
I was wondering if ltsp was doing something strange, after installing nethogs and not seeing anything strange, I came here
14:55
Oh well, I will have to wait until it happens again to test hardware...
14:56
<||cw>
it shouldn't do anything like that intentional
14:56
<JuJUBee>
I thought as much, but just wanted to make sure
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16:37
<Hyperbyte>
Hey JuJUBee, how's it going?
16:45
<JuJUBee>
Hyperbyte, OK i guess
16:45
How bout U
16:53
<Hyperbyte>
Going great!
16:53
:-)
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17:05
<JuJUBee>
Glad to hear.
17:06
Been troubleshooting connectivity in my classroom all morning.
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20:08
<FlameEagle>
Hello! Is anybody here&
20:08
?
20:10* gehidore looks around
20:12
<FlameEagle>
I`m from Russian
20:13
and I have a question
20:13
about ltsp project
20:13
how work overlayfs in kernel?
20:14
I have specific hardware with processor without PAE
20:15
<vagrantc>
!question | echo FlameEagle
20:15
<ltsp>
FlameEagle question: if you have a question about ltsp, please go ahead and ask it, and people will respond if they can. please also mention the linux distro and release you're using. :)
20:16
<FlameEagle>
I tried to compile a kernel without PAE, but it boot until mount filesystem aufs or overlayfs or overlay
20:16
I`m using last version ubuntu
20:17
I tried NFS, but I stop on same place
20:17
<vagrantc>
i'm not sure ubuntu supports systems without PAE anymore
20:21
<FlameEagle>
last ubuntu do not support kernel without PAE. Therefore I compile my kernel
20:24
But system could not boot on graphical interface
20:25
<vagrantc>
you may have to recompile all of ubuntu, not just the kernel
20:25
<FlameEagle>
I wanted to know exactly how to work the moment with overlayfs. Therefore aufs unionfs deleted from last kernel
20:27
Why?
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20:27
<vagrantc>
maybe i'm mistaken
20:28
i thought they made optimizations in the binaries that may require newer processors
20:30
https://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/view/head:/client/Debian/share/initramfs-tools/scripts/init-bottom/ltsp
20:30
FlameEagle: that's the code in LTSP that handles overlay mounting in Debian & Ubuntu
20:31* alkisg waves
20:31
<alkisg>
FlameEagle: a processor without pae most likely won't be enough to run a thin client nowadays
20:31
How much RAM does that client have?
20:32* vagrantc thanks alkisg for the more *useful* way of thinking about the issue
20:37
<FlameEagle>
memory less than 4 GB
20:38
<vagrantc>
FlameEagle: how much less?
20:38
<FlameEagle>
now the code will show
20:38
<vagrantc>
you probably need at least 512MB of ram just to run a thin client these days...
20:41
<FlameEagle>
The problem is not in the memory. What is missing in my kernel
20:42
how can I show you a script?
20:42
<vagrantc>
probably the "overlay" filesystem
20:42
is missing from your kernel
20:43
<FlameEagle>
can I copy it here?
20:43
<vagrantc>
but even if you get that to work, you may not have enough ram to do anything useful.
20:43
<FlameEagle>
I need run rdesktop
20:43
overlay has in the kernel
20:44* vagrantc gives up
20:45
<FlameEagle>
#!/bin/sh # We support two methods to call the init-ltsp.d scripts. # The first method is to pass "ltsp" in the kernel command line, which calls # the scripts with `chroot` while still in the initramfs, i.e. at the end of # this script. # The second is to pass "init=/sbin/init-ltsp", which will execute the scripts # in the real system and chain to /sbin/init after that. PREREQ="" prereqs() { echo "$PREREQ" } case "$1" in
20:45
it is impossible to insert here
20:48
https://yadi.sk/d/ejDKis-vydEeU
20:48
this is script
20:49
my thin client print "Could not load neither overlayfs nor aufs" and stop
20:50
command "df" say that nbd mount (or nfs mount when I tried nfs file system)
20:51
where else can you ask about this problem?
21:01
<alkisg>
FlameEagle: what processor is this, that has e.g. 2 gb ram and no pae?
21:02
I don't think such processors exist
21:02
What is its name?
21:02
Maybe your processor just needs the "forcepae" flag...
21:02
Tell us the processor name
21:04
<FlameEagle>
flag forcepae is set
21:04
now I say processor name
21:04
thin client booting
21:05
AuthenticAMD
21:06
<alkisg>
grep name /proc/cpuinfo
21:06
What is the output of this?
21:06
And what is the output of: free
21:06
To tell us the RAM
21:06
<FlameEagle>
memtotal 490320 kb
21:06
cat /proc/meminfo
21:06
<alkisg>
grep name /proc/cpuinfo
21:06
Output of this
21:07
<FlameEagle>
what of line? I dificult retype from monitor
21:07
<alkisg>
model name : Intel(R) Core(TM) i5-4440 CPU @ 3.10GHz
21:07
From that line, my cpu name is i5-4440
21:07
What is your cpu name?
21:08
<FlameEagle>
Vendor-ID: AuthenticAMD
21:08
<alkisg>
No
21:08
Type this: grep name /proc/cpuinfo
21:08
This is the command that tells you the cpu name
21:08
"AMD" is the company, we need the model
21:09
<FlameEagle>
model name: Geode (TM) Integrated Processor by AMD PCS
21:09
this is "cat /proc/cpuinfo | grep name"
21:09
<alkisg>
You don't need cat, grep is enough
21:10
<FlameEagle>
ok
21:10
<alkisg>
But ok, yes you have the silliest processor... geode...
21:10
<vagrantc>
even if you solve that problem, geode has a lot of other problems
21:11
<FlameEagle>
the output of identical
21:11
<alkisg>
I think it will be best to use an older chroot, from debian wheezy or ubuntu 10.04
21:12
<FlameEagle>
where can I get help to sort out this problem? can have a forum?
21:12
<alkisg>
!ltsp-discuss
21:12
<ltsp>
ltsp-discuss: at https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
21:12
<alkisg>
This is a mailing list that ltsp has, but I don't think anyone will help you more
21:12
<FlameEagle>
why I need use old kernel or initramfs?
21:12
<alkisg>
Because you have a very old cpu
21:12
Buy a new one
21:13
<FlameEagle>
thank you!
21:14
<alkisg>
Your CPU is about 15 years old
21:14
And a bad one
21:14
Don't expect to run a recent kernel there...
21:16
<vagrantc>
it wasn't well supported then either
21:16
<FlameEagle>
it's not that processor. I'm afraid that I will face this problem time and time again, if you do not face it. Now this pae, tomorrow is something else. I need to learn how to assemble a core system. I can not even run my kernel to new hardware.
21:17
<alkisg>
Think it like this: windows supports hardware for something like 5 years, linux for something like 15. Don't try to run older hardware that its not supported.
21:18
So no, it's not true that "Now this pae, tomorrow is something else"
21:18
If you want to learn how to build a system from scratch, google for "linux from scratch", but that also doesn't involve supporting things that the kernel no longer supports
21:19
They had a very valid reason to drop pae, if you want it back, prepare to use older versions...
21:20
<FlameEagle>
Thank you! bye!
21:20
<alkisg>
Bye
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21:21
<quinox>
15 years is quite a while ago
21:21
<vagrantc>
the geode chips were never well supported
21:22
despite a lot of effort
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