#arpnetworks 2010-11-10,Wed

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WhoWhatWhen
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cedwardsI've got a server with two drives (different sizes, unfortunately). Would this be a good reference for toying with RAIDZ http://wiki.freebsd.org/RootOnZFS/GPTZFSBoot/RAIDZ1 [09:48]
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kitkatbarhi [09:58]
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wwcedwards: don't know about that reference... (no opinion)
... but in general you can safely raid the drives (to the capacity of the smaller)
... you might experience some (probably minimal) degradation of performance
... if the drives are of much different size, you might be able to use the excess space as non-raid
[10:36]
cedwardsww: I've never RAIDed FreeBSD before, and I don't see a (clear) option in the installer.
ww: is that generally something done manually outside of sysinstall?
[10:38]
jpalmercedwards: there is no way via sysinstall to setup RAID. you have to do a manual install.
(as in, not using the freebsd installer)
[10:38]
finkcedwards: i've done zfs on root, but not raidz as well [10:38]
cedwardsdo either of you have a link/reference for that offhand? (other than a RTFH) [10:39]
wwthe last time i made a bsd host with raid was before zfs (and was actually netbsd so even now no zfs i think) [10:39]
finkcedwards: i also used this: http://anonsvn.h3q.com/projects/freebsd-patches/browser/manageBE/create-zfsboot-gpt_livecd.sh [10:40]
jpalmernot right off hand (I'm never messed with zfs yet) but I'm pretty familiar with gmirror, and geli. both require manual install. [10:40]
finkcedwards: i didn't see much of a difference between doing it manually and the scrpit
that script sure made typing all those commands easier…
[10:40]
cedwardsI'd be interested in starting simple with gmirror before I get into RAIDZ [10:40]
wwwith zfs can't you add disks to the pool post hoc/
?
[10:41]
cedwardsprobably. as I understand it, zfs is all powerful and will be the filesystem of SkyNet ;)
(was that Terminator reference a stretch? ;) )
[10:42]
finkno, it was apt [10:43]
cedwardsactually, on the topic of skynet...
yesterday a co-worker and I were discussing the Oracle/Sun buyout. I determined that if any company had smart enough engineers to create sentient robots it would have been Sun.. and if any company was evil enough to destroy mankind it would be Oracle.
Oracle now has the pieces needed to start skynet and destroy us all!
[10:43]
finkis java on its way out? [10:46]
wwww takes everyone's world about skynet... /me figures it must have something to do with skytv... [10:47]
finkww: it's from the terminator movies [10:47]
wwskytv probably shows terminator movies now and then...
ww *shrug* ;)
[10:48]
cedwardsww: http://en.wikipedia.org/wiki/Skynet_%28Terminator%29 [10:49]
RandalSchwartzraidz rules
you can build a nice raid box with cheap fast disks now
and rely on raidz to catch the problems
[10:50]
cedwardswell I think I'll tinker with raidz then [10:54]
kitkatbarRandalSchwartz: i got a slave nameserver setup with ns1.he.net, so i pointed ns2.nullbnc.com to the ip of ns1.he.net and i still get no reverses :/ [10:54]
RandalSchwartzdoes ns1.he.net have the right SOA and data? [10:55]
kitkatbarit's just a slave [10:55]
RandalSchwartzyes. has it refreshed?
it needs to have a copy of all of the data
host -t soa $YOURDOMAIN ns1.he.net
make sure it has that data there
and the right soa
the dnscheck would reveal that
[10:56]
kitkatbari just checked, it refreshed a few minutes ago :) [10:56]
RandalSchwartzok - so, delegation is right, and the right data is in the DNS
what happens when you try to do the reverse?
[10:57]
kitkatbaris it dig @ns1.nullbnc.com 0.c.4.3.8.f.etc.ip6.arpa.
nslookup -type=AAAA six.nullbnc.com returns an answer :D
[10:58]
RandalSchwartzdig -x fb34:XXXX:XXXX::1
or whatever you have populated
for example, "dig -x 2607:f2f8:3080::
that gets my reverse for red.stonehenge.com
[10:58]
kitkatbaroops accidently dig'd yours lol
was just checking :D
[11:00]
RandalSchwartzhey I don't care. :) [11:00]
kitkatbarhmm
says status: NXDOMAIN
[11:00]
RandalSchwartzuse +trace
see where it stops
[11:01]
kitkatbar. 506278 IN NS j.root-servers.net.
;; Received 272 bytes from 174.136.101.162#53(174.136.101.162) in 0 ms
. 86400 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2010111000 1800 900 604800 86400
[11:02]
RandalSchwartzyou're getting the right delegation
so it must be you have a broken named.conf file or a broken domain file
as in, that -x got to you, and then you said "NXDOMAIN"
can you pastebin both?
[11:06]
kitkatbaryea [11:07]
RandalSchwartzmaybe you don't have the right number of 0.0.0.0's :)
there should be 32 digits total, if I recall
yeah... 32 x 4 = 128
[11:07]
kitkatbarhaha
that was it
oddly enough, not enough 0's
wtf
kitkatbar kicks himself in the butt
i guess i owe ya one
hehe
[11:09]
jpalmerdidn't I mention yesterday (or the day before?) to pad the number of zero's in the PTR record? ;) [11:11]
kitkatbaryah but i wasn't counting [11:11]
wwww wonders about dnssec for reverse zones... [11:11]
kitkatbarbecause the $origin had extra four 0's [11:11]
jpalmerahh. gotcha. yep, having the right number is definately going to help ;) [11:11]
kitkatbarwhen he specified 32 digits
i counted, and i was short :P
thx jpalmer- you were of great help too
i can't believe it works now, i knew it was something stupid i overlooked
[11:12]
jpalmernp, sorry I had to run away the other day. work called. glad you got it figured out though.
speaking of work.. time for a conference call.
[11:13]
kitkatbari might should write a guide for debian on how to setup ipv6 and bind with ipv6 & reverse zone
for the arp wiki
[11:13]
RandalSchwartzso this is the third time I've suggested something, and that was it. :)
nice
I have my $ORIGIN to be exactly what the entire file is about
in that sense, it's probably redundant. :)
Oh wait... no, I'm defining stuff in a /64
so I have $ORIGIN to push enough 0's behind my 48
[11:14]
Sabriire
hi, is there anyone from Arp networks here?
[11:20]
toddfseems rather a waste to describe bind with ipv6 and reverse zones and confine it to one os [11:20]
kitkatbaryea but the current openbsd ipv6 guide is way different than what i did [11:22]
SabriiPING 1289416958 433571 [11:22]
kitkatbarso i guess i could write what works in debian and should work in any linux distro [11:22]
Sabriiguess not [11:22]
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toddf$line =~ m/^([^ ])+[ ]+([0-9]+) /
guh, how many times did I stare at that before I realized the + was on the outside of the parenthesis?
[11:22]
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RandalSchwartzhow many? :) [11:23]
toddftoo many ;-( [11:23]
RandalSchwartzor not enough, until you saw it. :)
damn perl
just makes your life hard. :)
[11:23]
toddf"it works but it only shows one char in $1, wtf?" [11:24]
RandalSchwartzyeah - that's the other odd thing...
(...)+ - you can't get all the times that matched
only the final one
until Perl6, that is
[11:24]
toddfoh joy [11:25]
RandalSchwartzthe match variable has an arrayref at that point
which collapses to the last item in a scalar context, so it's like old behavior
[11:25]
toddfsneaky [11:25]
RandalSchwartzthat means you can do things like ((...)+(..)+)+ and get all levels
tree return
[11:26]
toddfsomewhere in there ENOMEM [11:26]
RandalSchwartzheh
you can say "don't capture" too
like in Perl5 but more sane syntax
no more (?: .. )
[11:26]
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andrewnemethhey guys
how can I resize freebsd root partition?
[11:33]
toddfgrow or shrink? [11:34]
andrewnemethgrow [11:35]
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jpalmerhave you got unallocated disk space in your VPS? [11:39]
andrewnemethyes [11:40]
jpalmerok, you'll need to use the growfs command. there is a section in the freebsd handbook on doing this. let me see if I can find the url [11:40]
andrewnemethhttp://www.opusinteractive.com/blogs/Growing-the-Filesystem-in-a-FreeBSD-Server/637.html [11:42]
jpalmerandrewnemeth: that looks like it'd work. make sure you have backups first. and keep in mind also.. you generally want your root FS to be as small as possible, so that after an improper shutdown, your machine can fsck / quickly, and boot. the root partition cannot do a background fsck.. the others can. [11:44]
andrewnemeththat would be better to have the unallocated space to /usr? [11:44]
jpalmer(meaning, the whole time it's doing the fsck on /, your machine is going to be "down" [11:44]
andrewnemethim absolutely beginner
dev/ad0s1a 243M 208M 16M 93% /
thats the only partition I have now
usr is not mounted seperatelly
[11:44]
jpalmergenerally speaking, my / partion is either 256 or 512m. *never* anything more. [11:45]
andrewnemethI see
so
usr is the biggest?
[11:45]
jpalmerwell, the default arpnetworks freebsd vps has one / partition. but I would strongly encourage you to reinstall, and do a standardized partion scheme [11:46]
andrewnemethso should I allocate the free space to /usr? [11:46]
jpalmerkeeping in mind, I cannot tell you what partition sizes you need, because I don't know your plans.. but generally yes; /usr is the largest partion.. by far. [11:46]
andrewnemethand if I want to allocate the free space to it and mount /usr as seperate partition should I follow this hwto?
or that can be done easier?
[11:47]
jpalmerif you're an absolute beginner, I'd follow the arpnetworks FAQ on reinstalling the OS. then choose the "default" partition scheme. it'll be a great start for the beginner. [11:48]
andrewnemethwell I dont really want to reinstall
:)
[11:49]
jpalmerI'd strongly recommend it. but, it's your VPS ;) do whatever you think is best for you. [11:49]
andrewnemethany howto to mount /usr and add free space to it?
:)
[11:50]
RandalSchwartzmy freebsd root is on ZFS
so I never have to worry about this. :)
[11:50]
jpalmerthe same howto you just linked, give the essentials. just modify the commands for the appropriate partitions and sizes. [11:51]
andrewnemethhm [11:51]
well
http://pastebin.com/Gy0nZ9dT
this is the current state now
I assume I need to remove partition 2,3,4
and create one big
then mount /usr to it
m I right?
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Sabriidoes anyone know where the arpnetwork admins are located? [16:03]
RandalSchwartz"where"?
as in physical space?
[16:03]
jpalmerSabrii: california [16:04]
Sabriiah ok thanks [16:04]
RandalSchwartzSabrii - how is that important? :) [16:04]
Sabriiit would explain when they will answer to e-mail
if they are in another timezone, it will take a while
[16:04]
RandalSchwartzno - it explains nothing :)
support here is generally 24-48 hours
[16:05]
SabriiI'm talking sales
that is usually faster ;)
[16:05]
RandalSchwartzditto
no - not necessarily
since it's the same guys
frequently 24 hour response, sometimes 48. but don't expect faster.
[16:05]
Sabriiinteresting business model [16:06]
RandalSchwartzyes - keeping costs down by not giving you 15 minute responses
you're expected to be a relatively knowledgable and slightly patient customer
if you don't want to be that, there are other VPS offers
[16:06]
SabriiI am knowledgable enough, trust me on that one [16:07]
jpalmerI'll exchange fast support, with reasonable costs and rock solid performance any day. [16:07]
Sabriipatient however... :) [16:07]
RandalSchwartzagain, if you're not patient, you'll be happier elsewhere. seriously. [16:07]
Sabriithere are not a lot of businesses that offer FreeBSD vps [16:08]
RandalSchwartzI'm all for ArpNetworks making money [16:08]
Sabriiand I -hate- linux [16:08]
RandalSchwartzbut they don't need impatient customers
it's bad for everyone
[16:08]
jpalmerSabrii: then I'd suggest patience ;) [16:08]
Sabriibut I want it now now now now now now
and a pony
just kidding
I was just informing guys
I have time
just curious on the expected timerange
[16:08]
jpalmerSabrii: I'll tell you right now.. once the vps is up, you won't NEED support. it really is that solid. but if you are one of the "now" types, it's probably not the right fit for you. [16:09]
Sabriioh mine is up
it's working great
I just need some additional features
by next week or so
[16:09]
RandalSchwartzwhat kind of features? [16:11]
SabriiIP space
and if possible, BGP
[16:12]
RandalSchwartzIP is easy
I don't think BGP is offered
[16:12]
Sabriijust but I want it a slightly different way than usual :) [16:13]
RandalSchwartzpresuming you need only a /29 [16:13]
Sabriiyeah [16:13]
RandalSchwartzhow differently? [16:13]
SabriiI have a /22 and an AS number
oh the /29 I need routed towards my VPS
so I can stick it into a VPN
[16:13]
RandalSchwartzso you can get a a /29 from ARP
but that won't be part of your /22
[16:14]
Sabriithat's exactly what I don't want, ARP. I would like to have it routed, if possible [16:14]
RandalSchwartzRandalSchwartz can't parse that sentence
you get a public /29
it routes via the retail networks
[16:14]
Sabriiaah ok sorry
let me explain
by ARP, you mean ARP networks. I read "route via proxy arping"
[16:14]
RandalSchwartznope
I didn't mean RFC826 :)
[16:15]
finkheh [16:15]
Sabriithat's what you get when you choose your company name after a protocol :) [16:16]
finki'm going to start a rival to arpnetworks, called pingnetworks! [16:16]
RandalSchwartzbut he didn't.. he just liked the name.
rarpnetworks!
[16:16]
finkRandalSchwartz: maybe ARP is an acronym? [16:16]
RandalSchwartzmaybe fink is an acronym? :) [16:16]
Sabriifink: Address Resolution Protocol sounds fine [16:16]
nestafink: you will beat my pongnetworks !!! [16:16]
RandalSchwartzone-ping-only-networks
Sean Connery as the CEO
[16:17]
finklol [16:17]
SabriiI prefer Clint Eastwood as the CEO [16:17]
nestawoops
fink: you will never beat my pongnetworks !!!*
lol
[16:17]
RandalSchwartzanyway, what's your actual question? [16:17]
Sabrii"Go ahead, Ping my day" [16:17]
RandalSchwartzyou want a /29, you can have it, generally
bigger is harder
[16:17]
nestanice quote RandalSchwartz
lol
[16:18]
Sabriiso I would like a /29 routed towards my VPS, so not as part of a subnet with the .1 on their routers [16:18]
RandalSchwartzstill didn't grok that [16:18]
Sabriiok [16:18]
RandalSchwartzyou get a /29, and they steal the bottom address for the routeer [16:18]
Sabriiyes, exactly what I don't want [16:18]
RandalSchwartzso you get 14 usable [16:18]
Sabriicount again [16:19]
RandalSchwartz13
yeay
[16:19]
Sabriia /29 is 8 ips
a /28 is 16 ips
[16:19]
RandalSchwartzuh, what?
ok - right
[16:19]
Sabrii:) [16:19]
RandalSchwartzso I have a /28
with 13 usable
[16:19]
Sabriiyes [16:19]
jpalmerSabrii: I suggest you cement the idea in your head (figure out exactly what you want to do) then find a very clear way to articulate that. because I'll be honest.. if you submit a support ticket stating what you've said so far.. I doubt they'll be able to figure out specifically what you need/want. [16:19]
RandalSchwartzand what's wrong with that?
how many addresses do you need?
[16:19]
Sabriijpalmer: anyone who understands networking (ie ccna level or higher) will understand it [16:20]
RandalSchwartzSabrii - I've been doing IP traffic since before it was called IP
and I don't get it
[16:20]
Sabriiok [16:20]
RandalSchwartzccna be damned [16:20]
Sabriithen you will understand this: [16:20]
jpalmerI understand networking fine. I'm still 100% unclear as to what it is you want. [16:20]
RandalSchwartzyeah, jpalmer is no slouch either [16:20]
Sabriiip route 1.1.1.0 255.255.255.248 myvps
does that help? :)
[16:20]
RandalSchwartzand you need to have an outbound route
and that's the first addr
so from 16 total addresses
you get 13
how hard is that to understand?
[16:21]
Sabrii*bangs head against wall*
you don't understand IP, clearly
so nevermind
[16:21]
RandalSchwartzjpalmer - Sabrii doesn't know who I am, clearly :) [16:22]
SabriiI'll wait patiently for someone who does
no I don't
[16:22]
RandalSchwartzRandalSchwartz imagines what waiting for the heat death of the universe is like [16:22]
jpalmerRandalSchwartz: you clearly don't understand networking. you need a ccna. duh [16:22]
Sabriiok
let me try it again
[16:22]
RandalSchwartzSabrii - what is the OUTBOUND route on your VPS?
where are you sending traffic *TO* the internet
it has to be a valid IP
[16:22]
Sabriithe /30 that is inbetween right now [16:22]
RandalSchwartzso the .1 is taken [16:22]
SabriiI want to keep the /30 that there is right now
so here is the deal
my vps has 174.136.109.210
[16:23]
RandalSchwartzif you ask for a /28, it will *include* your /30 [16:24]
Sabriimy default gw is 174.136.109.209 [16:24]
RandalSchwartzI know, we've already done this [16:24]
Sabriiok
so that is there
now
[16:24]
finkRandalSchwartz: man, you just don't get IP [16:24]
Sabrii174.136.109.209 is a router
right?
[16:24]
RandalSchwartzwell - it's a virtual interface to a virtual router table entry, sure [16:24]
Sabriiaah ok
no that explains something
I'm not very familiar with virtualization
[16:24]
RandalSchwartzignore me then [16:25]
finkSabrii: what is it exactly that you want to do? [16:25]
RandalSchwartzpretend it's hardware
I was just being pedantic
[16:25]
jpalmerfink: we're still trying to figure that out. [16:25]
Sabriifink: I want to route a /29 into an openvpn tunnel [16:25]
RandalSchwartzso you want to buy a /28
and route half of that into your tunnel
[16:26]
Sabriiif 174.136.109.209 would be a cisco router that would be very simple [16:26]
RandalSchwartzmakes sense
no problem
[16:26]
Sabriiuhm, but then I would have to proxy arp for the /29 [16:26]
finkSabrii: ok, why do you want to do that? [16:26]
RandalSchwartzproxy arp?
the word is "routes"
routes don't need no stinking proxy arp
[16:27]
SabriiRandalSchwartz: exactly my point [16:27]
RandalSchwartzlet's use 0-based
so in your /28, .0 is net, .15 is mask, .1 is router
you create .2
you route by hand .3, .4, up to .14 into your tunnel
via NAT
your tunnel endpoint on this end is .2
and you tell the other end to go to this end .2
seems straightforward to me
[16:27]
Sabriihmm, I'm pretty speechless now
I'm sorry to have bothered you guys
[16:29]
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RandalSchwartzbut the real thing is, why is he vpn'ing his public IPs
he should VPN private space
[16:30]
jpalmerRandalSchwartz: clearly, you don't know networking. but you fake it well. [16:30]
RandalSchwartzindeed [16:30]
jpalmerlol [16:30]
RandalSchwartzenough to make him "speechless" :)
Oh - I get it... he wants his public IP on this side to go to private machines on the other end of the tunnel
yeah, that makes sense
[16:30]
jpalmereither he realized it, or he still didn't get it and felt he was wasting his time. either way.. he could have been a little less argumentative and dismissive, and a whole lot more clear on his goals. [16:31]
RandalSchwartzindeed
as Garry has told me from time to time "those aren't the customers we need" :)
[16:31]
nestahe was just trying to get some help
and he got it
:)
[16:32]
finkyea, poor guy
heh
[16:32]
RandalSchwartzheavy polution in the air here in LA. very orange sunset [16:32]
finkRandalSchwartz: you should charge for that, next time [16:32]
nestaeeeeee RandalSchwartz [16:32]
jpalmerthere was an ISP a while back.. I want to say hawaii.. but they only accepted customers with a clue. if you called tech support, they asked for your account number. once you provided it, they didn't offer support. they cancelled your account. [16:32]
RandalSchwartzwhy do you want to say hawaii?
is that like tourette's syndrom, but with states?
[16:33]
nestasounds pretty lame [16:33]
jpalmerI think they were based in hawaii [16:33]
RandalSchwartzOh - that's why you wanted to say that. :) [16:33]
jpalmerdamned pedants :P [16:33]
RandalSchwartzRandalSchwartz wanders off, looking for happier hour [16:33]
mjp'hey, stop saying hawaii in there' [16:33]
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RandalSchwartz"hawaii!"
there. I said it.
[18:11]
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up_the_ironsChanged pricing: all new orders now get double the bandwidth as before [22:12]
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jdoeooh la la [23:16]
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