IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 14 November 2016 (all times are UTC)
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| 09:30 | <serverbuild> anyone awake?
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| 09:30 | <highvoltage> nope
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| 09:32 | <serverbuild> lol i see you are
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| 09:33 | i need some help build my server with linux
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| 09:50 | <highvoltage> I see.
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| 10:02 | <alkisg> !ask | echo serverbuild:
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| 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.
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| 10:05 | <serverbuild> sorry i was looking it up
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| 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
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| 10:06 | <alkisg> serverbuild: is this related to LTSP?
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| 10:07 | <serverbuild> yes
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| 10:07 | <alkisg> How?
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| 10:07 | <serverbuild> im on ubuntu server
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| 10:08 | oh no lol
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| 10:08 | <alkisg> This channel is about booting clients from the network... maybe you are in the wrong channel
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| 10:09 | <serverbuild> could you happen to point me for my home server troubles
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| 10:10 | <alkisg> How did you end up in this channel?!
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| 10:10 | <serverbuild> I googled linux chat help
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| 10:11 | <alkisg> https://community.ubuntu.com/help-information/finding-help/support/
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| 10:11 | See this page, it tells you where you can find support for ubuntu
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| 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
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| 14:49 | <||cw> JuJUBee: iftop is a handy tool
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| 14:49 | <JuJUBee> ||cw, I don't see anything startling with that
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| 14:49 | <||cw> apt-get install iftop
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| 14:50 | <JuJUBee> alredy did
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| 14:50 | also nethogs
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| 14:50 | <||cw> so it doens't show any traffic on any of your network interfaces?
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| 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
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| 14:52 | Now everything is running smoothly again.
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| 14:52 | ping times are back to teens
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| 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
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| 14:53 | <JuJUBee> ||cw, didn't think of that.
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| 14:53 | <||cw> back in the day we'd call that a "streaming nic", I don't know how common that still is
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| 14:53 | <JuJUBee> However, now all looks back to normal
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| 14:54 | only took 2 hours to get there.
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| 14:54 | I was wondering if ltsp was doing something strange, after installing nethogs and not seeing anything strange, I came here
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| 14:55 | Oh well, I will have to wait until it happens again to test hardware...
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| 14:56 | <||cw> it shouldn't do anything like that intentional
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| 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?
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| 16:45 | <JuJUBee> Hyperbyte, OK i guess
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| 16:45 | How bout U
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| 16:53 | <Hyperbyte> Going great!
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| 16:53 | :-)
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| 17:05 | <JuJUBee> Glad to hear.
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| 17:06 | Been troubleshooting connectivity in my classroom all morning.
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| 20:08 | <FlameEagle> Hello! Is anybody here&
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| 20:08 | ?
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| 20:10 | * gehidore looks around | |
| 20:12 | <FlameEagle> I`m from Russian
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| 20:13 | and I have a question
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| 20:13 | about ltsp project
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| 20:13 | how work overlayfs in kernel?
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| 20:14 | I have specific hardware with processor without PAE
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| 20:15 | <vagrantc> !question | echo FlameEagle
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| 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. :)
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| 20:16 | <FlameEagle> I tried to compile a kernel without PAE, but it boot until mount filesystem aufs or overlayfs or overlay
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| 20:16 | I`m using last version ubuntu
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| 20:17 | I tried NFS, but I stop on same place
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| 20:17 | <vagrantc> i'm not sure ubuntu supports systems without PAE anymore
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| 20:21 | <FlameEagle> last ubuntu do not support kernel without PAE. Therefore I compile my kernel
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| 20:24 | But system could not boot on graphical interface
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| 20:25 | <vagrantc> you may have to recompile all of ubuntu, not just the kernel
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| 20:25 | <FlameEagle> I wanted to know exactly how to work the moment with overlayfs. Therefore aufs unionfs deleted from last kernel
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| 20:27 | Why?
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| 20:27 | <vagrantc> maybe i'm mistaken
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| 20:28 | i thought they made optimizations in the binaries that may require newer processors
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| 20:30 | https://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/view/head:/client/Debian/share/initramfs-tools/scripts/init-bottom/ltsp
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| 20:30 | FlameEagle: that's the code in LTSP that handles overlay mounting in Debian & Ubuntu
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| 20:31 | * alkisg waves | |
| 20:31 | <alkisg> FlameEagle: a processor without pae most likely won't be enough to run a thin client nowadays
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| 20:31 | How much RAM does that client have?
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| 20:32 | * vagrantc thanks alkisg for the more *useful* way of thinking about the issue | |
| 20:37 | <FlameEagle> memory less than 4 GB
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| 20:38 | <vagrantc> FlameEagle: how much less?
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| 20:38 | <FlameEagle> now the code will show
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| 20:38 | <vagrantc> you probably need at least 512MB of ram just to run a thin client these days...
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| 20:41 | <FlameEagle> The problem is not in the memory. What is missing in my kernel
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| 20:42 | how can I show you a script?
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| 20:42 | <vagrantc> probably the "overlay" filesystem
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| 20:42 | is missing from your kernel
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| 20:43 | <FlameEagle> can I copy it here?
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| 20:43 | <vagrantc> but even if you get that to work, you may not have enough ram to do anything useful.
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| 20:43 | <FlameEagle> I need run rdesktop
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| 20:43 | overlay has in the kernel
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| 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
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| 20:45 | it is impossible to insert here
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| 20:48 | https://yadi.sk/d/ejDKis-vydEeU
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| 20:48 | this is script
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| 20:49 | my thin client print "Could not load neither overlayfs nor aufs" and stop
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| 20:50 | command "df" say that nbd mount (or nfs mount when I tried nfs file system)
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| 20:51 | where else can you ask about this problem?
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| 21:01 | <alkisg> FlameEagle: what processor is this, that has e.g. 2 gb ram and no pae?
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| 21:02 | I don't think such processors exist
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| 21:02 | What is its name?
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| 21:02 | Maybe your processor just needs the "forcepae" flag...
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| 21:02 | Tell us the processor name
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| 21:04 | <FlameEagle> flag forcepae is set
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| 21:04 | now I say processor name
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| 21:04 | thin client booting
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| 21:05 | AuthenticAMD
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| 21:06 | <alkisg> grep name /proc/cpuinfo
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| 21:06 | What is the output of this?
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| 21:06 | And what is the output of: free
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| 21:06 | To tell us the RAM
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| 21:06 | <FlameEagle> memtotal 490320 kb
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| 21:06 | cat /proc/meminfo
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| 21:06 | <alkisg> grep name /proc/cpuinfo
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| 21:06 | Output of this
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| 21:07 | <FlameEagle> what of line? I dificult retype from monitor
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| 21:07 | <alkisg> model name : Intel(R) Core(TM) i5-4440 CPU @ 3.10GHz
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| 21:07 | From that line, my cpu name is i5-4440
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| 21:07 | What is your cpu name?
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| 21:08 | <FlameEagle> Vendor-ID: AuthenticAMD
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| 21:08 | <alkisg> No
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| 21:08 | Type this: grep name /proc/cpuinfo
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| 21:08 | This is the command that tells you the cpu name
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| 21:08 | "AMD" is the company, we need the model
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| 21:09 | <FlameEagle> model name: Geode (TM) Integrated Processor by AMD PCS
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| 21:09 | this is "cat /proc/cpuinfo | grep name"
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| 21:09 | <alkisg> You don't need cat, grep is enough
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| 21:10 | <FlameEagle> ok
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| 21:10 | <alkisg> But ok, yes you have the silliest processor... geode...
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| 21:10 | <vagrantc> even if you solve that problem, geode has a lot of other problems
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| 21:11 | <FlameEagle> the output of identical
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| 21:11 | <alkisg> I think it will be best to use an older chroot, from debian wheezy or ubuntu 10.04
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| 21:12 | <FlameEagle> where can I get help to sort out this problem? can have a forum?
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| 21:12 | <alkisg> !ltsp-discuss
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| 21:12 | <ltsp> ltsp-discuss: at https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
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| 21:12 | <alkisg> This is a mailing list that ltsp has, but I don't think anyone will help you more
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| 21:12 | <FlameEagle> why I need use old kernel or initramfs?
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| 21:12 | <alkisg> Because you have a very old cpu
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| 21:12 | Buy a new one
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| 21:13 | <FlameEagle> thank you!
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| 21:14 | <alkisg> Your CPU is about 15 years old
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| 21:14 | And a bad one
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| 21:14 | Don't expect to run a recent kernel there...
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| 21:16 | <vagrantc> it wasn't well supported then either
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| 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.
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| 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.
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| 21:18 | So no, it's not true that "Now this pae, tomorrow is something else"
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| 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
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| 21:19 | They had a very valid reason to drop pae, if you want it back, prepare to use older versions...
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| 21:20 | <FlameEagle> Thank you! bye!
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| 21:20 | <alkisg> Bye
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| 21:21 | <quinox> 15 years is quite a while ago
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| 21:21 | <vagrantc> the geode chips were never well supported
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| 21:22 | despite a lot of effort
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