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


Channel log from 26 January 2015   (all times are UTC)

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07:52
<muppis>
I know this is totally unrelated, but you've played with virtual machines as well. Ever tried (wonder was there a need at all) to run Windows XP Mode -virtual in Virtualbox?
07:57
Virtual itself runs fine, but it bargs about activation.
07:58
<highvoltage>
Well, you need a full Windows license that lets you run it in a VM for it to work properly.
08:01
<muppis>
It's same VM wich MS provides for Windows XP Mode in Windows 7.
08:01
Installation package provides Product ID.
08:01
<highvoltage>
does its license allow you to run it outside of Windows 7?
08:02
<muppis>
Propably not. :D
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17:03
<jammcq>
hey guys
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17:49
<stgraber>
hey
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17:51
<jammcq>
hey stgraber, how's it going?
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17:51
<stgraber>
pretty good, very busy with lxc/container stuff and travelling to random events :)
17:51
leaving again for two weeks in just a few hours
17:51
and you, everything okay?
17:52
<jammcq>
yep, things are good. Looking forward to a great 2015.
17:52
looks like Canonical is very busy with all kinds of new things
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18:18
<ogra_>
snappidy snap :)
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18:52
<jammcq>
heh
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19:08
<highvoltage>
very punny.
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19:27
<championofcyrodi>
i have a really open ended question....
19:27
approx. how many LTSP Ubuntu FAT clients can I run on a core 2 duo w/ 8GB RAM?
19:27
basically, nbd, ssh, nfs...
19:29
<highvoltage>
fat clients don't use much RAM or CPU, so short answer... a few dozen but it really depends more on your disk and network bandwidth
19:29
<championofcyrodi>
a few dozen is currently more than enough...
19:30
1Gbps..
19:30
sata II... ~300GB disk
19:30
i'm thinking the biggest hit will be NFS mounted home folders.
19:30
since nbd caches on client no?
19:30
<highvoltage>
yeah that's where the disk bandwidth come in. 10 people start libreoffice at the same time and suddenly your disks effective bandwidth per user becomes 300KB/s.
19:31
<championofcyrodi>
sounds good... most of my users will be running chrome, terminal, tmux and NX client.
19:31
and thunderbird
19:32
basically i have a docker container running ubuntu-ltsp on a severely over provisioned server with dual hex core, 128GB RAM, 2 SSDs, and more... wanting to use that server for something else.
19:32
so i'm just going to rsync /opt and /home... and commit the container to my registry... and pull it down to this weaker machine... then switch the TFTP host...
19:32
and i *think* that should do it?
19:33
i have tftpd + dhcp running elsewhere.
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20:49
<trentanel>
hello
20:50
may i ask a question ?
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21:27
<vmlintu>
championofcyrodi: if you are using normal hard drives and are worried about hard drive performance, you can use dmcache with ssd cache for hdd+ssd combination on lvm partitions.
21:27
<championofcyrodi>
vmlintu: sweet!
21:33
<vmlintu>
championofcyrodi: here's some information about it: https://github.com/opinsys/dmcache-utils
21:34
<championofcyrodi>
i heard the intel z97 mobos support ssd caching on top of hdd at the hardware level... to give you a logical drive w/ SSD cache.
21:35
havent tried it yet though. (don't have a z97 mobo) vmlintu:
21:38
<vmlintu>
haven't heard about that
21:39
mostly I've been using dmcache in 2xhdd+ssd combination where hdd's are in raid-1 and ssd caches a single partition on raid-1 lvm volume
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22:17
<championofcyrodi>
vmlintu: http://www.intel.com/content/www/us/en/architecture-and-technology/smart-response-technology-brief.html
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