#arpnetworks 2014-07-24,Thu

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WhoWhatWhen
plettmnathani: GRUB on linux has no problems booting off an mdraid disk these days. No need for a separate /boot etc
mnathani: Conversely, at the same time GRUB has not problem booting from LVM logical volumes on top of the physical disk layer, so you can make LVs for / and /home etc if you want to
[01:15]
mnathaniplett: I got the install completed, ubuntu software raid, but then grub installs the boot loader in mbr instead of the gpt [01:20]
plettmnathani: I don't think grub's stage1 knows about gpt, or expects the computer to be able to parse enough of gpt to be able to find it [01:23]
mnathanihttp://www.anchor.com.au/blog/2012/10/the-difference-between-booting-mbr-and-gpt-with-grub/
I am reading that ^, but its really confusing
[01:30]
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finally got it to work:
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/md0 182157312 86337 182070975 1% /
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/md0 5782959688 2237688 5489254788 1% /
/dev/md0 5.4T 2.2G 5.2T 1% /
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staticsafem0unds: fights seem to be balanced to me [07:34]
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m0undsah, cool. i had an NC char on mattherson, and it was TR-heavy to the point of not being any fun [07:38]
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[09:27]
brycecmnathani: Is the disk partitioned using MBR or GPT? And if you're not booting EFI (doesn't sound like you are) then yes, the bootcode (grub) gets installed in the MBR because that's where the BIOS expects it. [09:34]
m0undshttp://www.nasa.gov/sls/multimedia/gallery/sls-infographic3.html [09:36]
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jpalmergot my new (as in refurb) T410 today [11:41]
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m0undscool [12:07]
jpalmersadly, my ultrabay doesnt fit it. I was going to do a 256g SSD, and a 500g SATA in place of the optical drive. guess I'll forgo the HDD for now, and just do the SSD. [12:19]
m0undsdoh [12:20]
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forgottenis today over yet? bleh [15:58]
m0undsi wish [15:59]
forgottenit's only thrusday :( [16:01]
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RandalSchwartzit's friday already somewhere [16:16]
git 2.0 is much faster for clone and fetch
available as of last week
linux kernel disk to disk clone 1.9 = 73 seconds
2.0 = 3(!) seconds
perl 5.20 finally has copy-on-write for strings
so you can ship a large text to a subroutine as easy as you can send a reference.
RandalSchwartz just wrapped up at OSCON
[16:26]
m0undshave they reduced the number of deps needed to run git? [16:31]
RandalSchwartzI didn't realize there was any. :)
ahh - looks like perl, python, asciidoc if you want the manpages
openssl for gitweb
[16:35]
m0undsyea, it's ~180MB of deps on netbsd
vs mercurial which is just python iirc
[16:37]
RandalSchwartzwell - that's because git does more. :) [16:37]
m0undssure, but i hate it anyway [16:38]
RandalSchwartzhave you looked at git in the last two years? [16:38]
m0undsbe good at one thing, rather than try being good at tons of things
yep
i was forced to use it for a while
[16:38]
RandalSchwartzgit's definitely better than it was many years ago. [16:39]
m0undsi have it installed and reluctantly use it for a couple of projects
i'm not a fan
only reason those projects have me using git is that they use github instead of bitbucket
[16:39]
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novaeIt's Friday here, has been for almost 12 hours! [18:04]
m0undshaha
thursday is like my tuesday
i work wed-sat
[18:04]
novaeYou have a 3 day weekend?! Lucky bastard! [18:05]
m0undsyeah, haha
4x10hrs ftw
[18:05]
novaeThat's actually not a bad way to do it :) [18:06]
m0undsi agree
my division is pretty small, so it helps us keep better coverage
[18:06]
novaeI'm doing a PhD so i've kind of forgotten what normal work hours are like, i tend to do 5-6x10-12h :( haha [18:07]
m0undshahaha
my wife just finished up her masters, and that was her typical week too
working full time + school
[18:07]
novaeStuff that! lol, luckily here in Aus the goverment gives a reasonable scholarship to discourage people from working while doing PhD's [18:09]
m0undshaha [18:10]
RandalSchwartzI sorta work every day [18:22]
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novaeRandalSchwartz: Not full days i hope [18:45]
RandalSchwartzsometimes :)
but my work is mostly fun
[18:45]
novae:) [18:52]
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[22:33]
up_the_ironsLength: 307957760 (294M) [application/x-iso9660-image]
Saving to: `nixos-minimal-14.04.376.f6ad69a-x86_64-linux.iso'
boooooo
a minimal iso should not be almost 300M!
[22:40]
RandalSchwartzup_the_irons - mirage 2.0
minimal images (in the hundreds of megabytes) that are the entire serving stack, talking to a xen interface.
and also no attack surgace
surface
... http://openmirage.org

they can fire up one of these microkernels to serve a page in a short enough time that it can respond to an incoming HTTP request.
[22:41]
up_the_ironsinteresting [22:44]
RandalSchwartzso if AWS had a microsecond payment model... it'd be great. :)
since these things can basically sit on "bare metal" xen
[22:44]
up_the_ironshaha [22:44]
RandalSchwartzopenmirage.org is executing mirage code. it's self hosting.
what's nice is for debugging, you can insert shims that use classic TCP
but then swap that out for tuntap devices
so you can get closer to the xen IF
it's pretty cool. I interviewed them for floss 302
and now I'm learning OCaml. :)
[22:45]

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