#arpnetworks 2014-03-03,Mon

unfortunately, his email to me seems to be the only docs, and I don't understand how it will know my external IP for my machine
or how that will get routed
yes... I have a /48

[09:36]

brycec

Ahhh
Easy explanation. Traffic for the /32 hits ARP's router. ARP knows that the "next hop" (or "gateway") for your /48 is fe80::2%vlan-XXXX and routes the /48 to that link-local address.

[09:36]

RandalSchwartz

ahh... that makes sense then
the world doesn't need my full route... just the route to arp

[09:37]

brycec

afaik those wiki instructions are still valid for /64s. When I picked up the /48 last year, I had to setup the fe80:: stuff too.
Yep
Which is all it ever had, since ARP advertises its /32

[09:38]

RandalSchwartz

But I don't need to advertise my /48 to arp?
is that managed by some config somewhere?

[09:38]

brycec

It's hard-coded but up_the_irons

[09:38]

RandalSchwartz

ahh

[09:38]

brycec

*by

[09:38]

RandalSchwartz

How do I set my em0 to be both the fe80 and my normal address?
as in... what do I add to this: ipv6_ifconfig_em0="2607:f2f8:3080::/64"

[09:40]

brycec

fe80::2 is your primary address ^^
And then you add any other addresses as aliases
*fe80::2/64 (yes, /64 for the link-local)

[09:40]

RandalSchwartz

ipv6_addrs_em0= ... ?

[09:41]

brycec

I can't help with FreeBSD-specifics, sorry

[09:41]

RandalSchwartz

(at least, that's how it is for ipv4)

[09:41]

brycec

brycec googles
Apparently it's this form (from a forum post 2011): ipv6_ifconfig_em0_alias0="fec0:0:0:2::80/64"

[09:42]

RandalSchwartz

ahh

[09:43]

brycec

where fec0... is the desired address

[09:43]

RandalSchwartz

yeah... I recall there being a discontinuity between v4 and v6 like that

[09:43]

brycec

(In Debian-land, I just add this to my /etc/network/interfaces up ip -6 addr add 2607:f2f8:a650::5:80C3:9134/64 dev eth0)

[09:43]

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[09:43]

brycec

http://www.freebsd.org/cgi/man.cgi?query=rc.conf&sektion= confirms and notes that ipv4_addrs_... is old symtax

[09:45]

RandalSchwartz

yeah, because I'm still running 8.3 :)
My new box will be 9.neweest
9.2 I think it is

[09:46]

brycec

You're practically 2 major releases behind, eesh

[09:46]

RandalSchwartz

I know. Shoemaker's children problems
I take Billable Hours over Overhead Hours every day
because I never know when Billable Hours dry up

[09:46]

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[09:47]

RandalSchwartz

but lately, I've been getting back-to-back work
I've been paying for a second server for four months, and haven't even booted it once yet.

[09:47]

brycec

Well, work is good. Stick with the money. And... just don't sleep, get caught up on FreeBSD releases.
lol, been there
If I'd realised how fast and easy pkgng makes things, I would not have dragged my feet.

[09:47]

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hazardous

http://www.techdirt.com/articles/20140227/06521826371/keurig-will-use-drm-new-coffee-maker-to-lock-out-refill-market.shtml
is this actually a thing

[10:45]

brycec

I'm not surprised... It'
It's ink cartridges all over
Just takes a tiny eeprom and some electrical contacts, nothing fancier than a chip+pin/smartcard.
And why? because they can.

[10:46]

hazardous

shipped new version of coffee: now requires signed keys to brew

[10:47]

brycec

And I suspect because they need to. Once everybody in the world has bought one, how do you sustain revenue? How do you sustain the massive size of the company (because downsizing is baaaad, even to fit an adjusted market demand)

[10:48]

hazardous

i mean yeah it's not surprising but it just seems like an absolutely comical asshole move
drming a drink

[10:48]

brycec

They're not drm'ing the drink though, just the module that goes in the machine. Strictly speaking.
Once that DRM becomes tamper-detecting, then it's a super-asshole move.

[10:48]

hazardous

i mean the coffeemakers already require wifi to operate
and have licencing servers

[10:49]

brycec

Do they really?

[10:50]

hazardous

under the guise of "we can SMS you when your coffee is done for remote machines" and other crap
i mean nespresso already got sued for their coffeepod drm

[10:50]

brycec

lol
My coffee is already wifi-enabled, but that's because I go to Starbucks. (I don't drink coffee very often.)
And technically DRM'd - I can't exactly buy it from someone besides Starbucks when I'm inside a Starbucks.

[10:55]

ant

THAT is a nice idea. selling coffee in starbucks ;)
"too bad" we don't have starbucks here

[10:57]

brycec

Easy to do an under-the-table transaction, but the coffee-brewing gear would be rather obvious. Or the vendor is walking in and out over and and over.

[10:58]

hazardous

] <brycec> And technically DRM'd - I can't exactly buy it from someone besides Starbucks when I'm inside a Starbucks.
ehhhhhhhhh
i've seen some places that aren't starbucks sell starbucks
like they will pay for use of the logo, get supplied by them for products

[10:59]

brycec

Yeah, grocery stores (like Safeway) have licensed branches.
But that's /licensed/
(Meaning, it's in-line with "DRM")

[11:00]

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[11:07]

ant

http://www.theguardian.com/world/2013/oct/20/thai-coffee-stall-starbucks-starbung

[11:08]

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m0unds

staticsafe: http://t.co/oKbX4cPvjQ

[11:35]

BryceBot

http://t.co/oKbX4cPvjQ -> http://www.npr.org/2014/03/02/282129737/first-listen-tycho-awake

[11:35]

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[12:01]

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mnathani

@smokeping

[13:19]

BryceBot

https://smokeping.cobryce.com/

[13:19]

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[13:30]

staticsafe

m0unds: this is great

[13:40]

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[13:53]

m0unds

yeah, fourth track (i think) is probably my fav
really like the band element added to the electronic stuff, sounds so good
gonna see 'em again in may

[13:59]

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[14:02]

m0unds

staticsafe: did you hear his remix of "I take comfort in your ignorance" by ulrich schnauss?

[14:05]

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[14:05]

staticsafe

nope

[14:05]

m0unds

https://soundcloud.com/tycho/ulrich-schnauss-i-take-comfort

[14:06]

BryceBot

SoundCloud: "Ulrich Schnauss - I Take Comfort in Your Ignorance (Tycho Remix) by Tycho" by Tycho

[14:06]

staticsafe

http://shop.iso50.com/collections/awake/products/awake
staticsafe orders

[14:06]

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[14:07]

m0unds

the art design is so good

[14:07]

staticsafe

ikr

[14:07]

m0unds

my wife went nuts last year and bought a bunch of his prints and stuff

[14:08]

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[14:17]

up_the_irons

"hazardous | shipped new version of coffee: now requires signed keys to brew"
LOLZ
don't joke about that, it might happen!
RandalSchwartz: i don't need to advertise your /48 because I already advertise the /32 "above" it
and routing to a link-local address is kinda like in v4 when people would route to /30's in an rfc1918 range

[14:25]

toddf

if the router sets a static link-local its all good. if the protocol is rtadvd/rtsol then link local is done by default anyway. if one is setting up two routers with static routes between then, link-local makes sense so one doesn't need to set a global ip in the link between the two routers.
if you're toddf and expect arpnetworks to have a static mac for routers, you're upa creek without a paddle until you course correct and use the global addresses since neither rtadvd nor static link-local is programmed on arpnetworks's side. just sayin ;-)
hazardous: signed keys to brew .. *sigh* .. thats the next stomach turning reality in freedom removed from food. the first is that farmers and consumers are no longer authorized to plant seeds from crops they grow/retrieve from the supermarket .. due to patents and such on the engineered crops ..

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[14:54]

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mercutio

http://arstechnica.com/security/2014/03/hackers-hijack-300000-plus-wireless-routers-make-malicious-changes/

[16:04]

BryceBot

Ars Technica: "Hackers hijack 300,000-plus wireless routers, make malicious changes"

[16:04]

mercutio

all these home routers are pretty dodgy

[16:05]

gizmoguy

[16:05]

brycec

s/home router/ars technica article/

[16:06]

BryceBot

<mercutio> all these ars technica articles are pretty dodgy

[16:06]

mercutio

it's a real problem whatever the source

[16:06]

brycec

Not dis agreeing with the former

[16:06]

mercutio

you know it's worse than admin/admin default l/p ?
a lot of modems and routers have hardcoded other passwords, and so even if you change your login they can login as a different user.
err change your password

[16:06]

brycec

I'm happy to say I can't remember the last time I ran a "home router." Been running Linux or BSD boxes since my very beginning.

[16:07]

mercutio

yes, but that's not what the vast majority of users do
it's kind of scary to me

[16:07]

brycec

Not my problem :p
yeah, it's careless and wreckless

[16:07]

mercutio

and abundant
it's probably the biggest issue around atm that hasn't had dire consqeuences yet.

[16:08]

brycec

Imagine an automanufacturer with a "special key" that works on every one of their vehicles.

[16:08]

mercutio

oh i think they have those
the shift to electronic locks... means that it can cost $400 or something if you lose your keys
but it's not necessarily safer than normal

[16:08]

brycec

Perhaps. And the fact that I cannot access every car on the planet at once from my deskchair means it's far less of an issue.

[16:09]

mercutio

and tehre's these sniffer things out now, which can "listen" to the itneraction between your car locking mechanism and your remote locker
and replay it to unlock

[16:09]

brycec

I was just trying to come up with an analogous industry for the public to grasp

[16:09]

mercutio

which means it's safer to lock your car with a key than electronically
well the car thing, you have to be nearby to record it
but if you're looking for a target it's ok
just like lots of these internet exploits which aren't looking for individual, but "a target"

[16:10]

brycec

I wish the auto industry would be open about their security :/ If they're so damn confident their locks are secure, they should have no problem releasing some details. As far as anyone knows, it's a simple RF pattern that can be played back. (This is indeed the case with some cars, but not all)

[16:11]

mercutio

garage door openers are the same
i have door locking on my alarm
it is convenient

[16:11]

brycec

heh, good example. Back in the 90's, crooks could drive down a street and blast common "open" codes. Since then, garade door openers actually cleaned up their act and enacted some fundamental security.

[16:12]

mercutio

but what's more convenient is that my car beeps when i don't lock it
because then i can realise i forgot to lock it
dude there are still issues in 200s
2000s
i dunno if there are now still
again if you're looking for "a target" it's pretty easy to find one afaik
but yeah if you want a particular one it may be harder

[16:12]

brycec

I thought that since openers and remotes went to "pairing" it had effectively cut that attack out.

[16:13]

mercutio

nope
there's also some bluetooth exploits

[16:13]

brycec

(In the 80's and 90's, it was just a few dip switches to set your "code," and when you set yours the same as a neighbour then fun times.)

[16:14]

mercutio

Theoretically possible, but you have to remember how LOUD an opening garage is. You'd be better off covering a small window with duct tape and punching it in.
haha

[16:15]

brycec

No matter how loud, if the garage is far from the living quarters, nobody would hear it.

[16:16]

mercutio

ahh
i live in wet city
no-one sticks garages very far away

[16:16]

brycec

Hell, the only time the garage door was heard when I was a kid was when the connecting door was open, or you were upstairs above the garage.

[16:16]

mercutio

weird

[16:17]

brycec

(when I was a kid == old, before the prevalence of "whisperdrive" etc)

[16:17]

mercutio

i've heard next door neighbours garages in the past
where i am now don't have a garage just a car port

[16:17]

brycec

wow, wtf is wrong with your garage doors :P

[16:17]

mercutio

i dunno, most non automatic ones are loud too
and often end up a bit bent
so they can be annoying to open/shut
well i assume there's probably a strong corrrelaction between old/poorly maintained, vs new and remote-opening
it's weird they're noisy though, cos most are damn slow too
well i suppose it is convenient for slow if you want to get out
cos most you can close the door from inside, and get out before it's closed

[16:17]

brycec

Skimming Google, it appears that garages are far more vulnerable to physical attacks. Haven't seen one mention of remote vulnerabilities

[16:20]

m0unds

my garage door opener has a dc motor and the door itself is noisier than the opener
also, i can't hear either from inside the house when it opens, but i can hear the keypad chimes my alarm emits when it opens

[16:21]

mercutio

interesting
i think in general houses here haev poor noise insulation

[16:21]

m0unds

real fun physical attack on garage doors w/glass in them (like ornamental windows or whatever)

[16:22]

mercutio

like i can hear people downstairs easy

[16:22]

m0unds

just bust out a small glass piece, then reach in with a pole of some sort and disengage the opener (emerg disconnect) then open the door from the outside

[16:22]

mercutio

heh

[16:22]

brycec

m0unds: or a coat hanger up through the top seal and over the door

[16:23]

mercutio

there may be an alarm though brycec

[16:23]

brycec

No need to break a window

[16:23]

m0unds

doesn't happen a lot here, but i've heard a lot about it in mid-atlantic
usually involves breaking glass, regardless of whether it's necessary

[16:24]

mercutio

cars are common targets here
and usuaully it's just smash and run afaik
well for break ins
for car theifs, it's usually models with bad locks and older

[16:24]

brycec

Interesting, if not overly-detailed bit of information on remote opener security http://en.wikipedia.org/wiki/Garage_door_opener

[16:25]

BryceBot

Garage door opener :: A garage door opener is a motorized device that opens and closes garage doors. Most are controlled by switches on the garage wall, as well as by remote controls carried by the owner. The electric opener The electric overhead garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana. Electric Garage Door openers did not become popular until Era Meter Company of Chicago offered one after World...

[16:25]

mercutio

wow 1926

[16:25]

brycec

brycec isn't surprised

[16:25]

mercutio

they only took off here recentlyish i think
like last 15 years or something

[16:26]

brycec

My impression is that they've been as popular as cars have in the US, at least as far as new construction.

[16:26]

mercutio

heh people have older cars here on average i think
the government keeps wanting to reduce the number of older cars

[16:27]

m0unds

yeah, every house on my block growing up had an opener
all those houses were built in 1980-1984

[16:27]

brycec

[16:27]

mercutio

average age of 12.7 years is old it seems

[16:28]

brycec

From what I gather, the 60's were a big boom.

[16:28]

mercutio

my car is over 20 years old :/

[16:28]

m0unds

http://marantecamerica.com/customers/residential.html?id=99
that's my fancy opener

[16:28]

mercutio

i wonder why they didn't take off here

[16:29]

brycec

(I part under http://upload.wikimedia.org/wikipedia/commons/1/16/Appearance_of_sky_for_weather_forecast,_Dhaka,_Bangladesh.JPG)
s/part/park/

[16:30]

BryceBot

<brycec> (I park under http://upload.wikimedia.org/wikipedia/commons/1/16/Appearance_of_sky_for_weather_forecast,_Dhaka,_Bangladesh.JPG)

[16:30]

mercutio

heh
you live in bangladesh?

[16:31]

brycec

No, I just park there :P
(First Google Image result for "sky")

[16:31]

mercutio

i have no idea how to figure out how common remote garage door openers are here easily
they're common in commercial car parking places.

[16:32]

brycec

Frankly, I assume they all are nowadays. I know there was a time when openers weren't common, but that was a Long Time Ago(tm)

[16:32]

mercutio

well i've lived in quite a few places
and none have had them
but the last 3 places i lived in only had carports.
do you have carports over there much?

[16:33]

m0unds

at apartment complexes
older houses might have them if they don't have an attached garage

[16:34]

mercutio

i actually prefer carports in some ways

[16:35]

brycec

what m0unds said - apartment complexes, trailer parks. Basically anywhere that isn't a "house" has a garage.

[16:36]

mnathani

can smokeping trigger a traceroute and email it when a significant change in the network is detected?

[16:38]

brycec

Probably, yes.

[16:38]

mercutio

you can get alerts on "someloss"

[16:38]

brycec

fucking "someloss"

[16:38]

mercutio

you could use that to trigger a traceroute
hahaha

[16:38]

brycec

# Boy this is getting annoying.
#alerts = someloss

[16:39]

mercutio

i don't haev any email alerts handy

[16:39]

mnathani

After numerous attempts to install smokeping from source, I resorted to using something called ghettoforge a repo that had an RPM version

[16:39]

mercutio

so i don't know what informationi it provides, but i imagine it's enough to do a traceroute
oh god centos

[16:40]

brycec

The email itself is pretty sparse.

[16:40]

mercutio

doesnt' have any default config :/
and it wasn't working
i hate centos
brycec: does it say which host?
you could parse config file..

[16:40]

brycec

Example for someloss: http://sprunge.us/WWBJ

[16:40]

mercutio

so you can parse thec onfig file for ARP.ThisGW.ThisGW6

[16:41]

brycec

You can even set your own mailtemplate to format the data the way you want.
http://oss.oetiker.ch/smokeping/doc/smokeping_config.en.html Jump to *** Alerts ***
And you can explicitly call out to a program instead of sending email
mnathani: ^
"The program will the be called whenever an alert matches, using the following 5 arguments (except if edgetrigger is 'yes'; see below): name-of-alert, target, loss-pattern, rtt-pattern, hostname."

[16:41]

mercutio

cool

[16:43]

brycec

NB I think "hostname" in smokeping parlance is the ARP.ThisGW.IPv6, not the host= value

[16:43]

mercutio

maybe i should look at it too

[16:43]

brycec

brycec has smokepign_config.en.html bookmarked

[16:44]

mnathani

brycec: thanks

[16:44]

brycec

[16:44]

mnathani

I am going to try and find a host in every country and add it to my smokeping

[16:44]

mercutio

heh

[16:44]

brycec

brycec points to nlnog

[16:44]

mercutio

[16:44]

brycec

Of course, "every country" is far less useful than "on every transit provider"

[16:45]

mercutio

why do you care what your ping to north korea is like?

[16:45]

brycec

He wants the censors to have the quickest access to his contennt?

This should help with your goal, mnathani https://ring.nlnog.net/participants/

[16:45]

mercutio

http://www.regent-holidays.co.uk/country/north-korea/

[16:46]

brycec

I've actually pared back my smokeping hosts

[16:46]

mnathani

Why do you have so many graphs overlapping?

[16:46]

brycec

What do you mean?

[16:46]

mnathani

like when you click on hosts
@smokeping

[16:47]

BryceBot

https://smokeping.cobryce.com/

[16:47]

brycec

brycec knows the url, thanks
But I'm not sure what you mean by "graphs overlapping." Can you give an example?

[16:48]

mercutio

you show multiple lines on one graph
i assume that's what he means

[16:48]

brycec

Like https://smokeping.cobryce.com/?target=Slaves ?

[16:49]

mnathani

I mean like all the voipms nodes overlapping

[16:56]

m0unds

brycec: is there a way to easily rate limit notifications?
like..notify once upon $condition and not again til it's normal?

[16:56]

brycec

There might be, but I'm not aware of it.
mnathani: To give me an overall view of the service as a whole. If I want a given node, I just click it.
Which one of you lot is a kiwi? https://twitter.com/Donal_OKeeffe/status/439817245380710402

[16:58]

BryceBot

TWITTER: Say what you will about George W Bush, but he wouldn't have stood for Russian aggression in Ukraine. He'd have invaded New Zealand by now. (Sat Mar 01 17:39:37 +0000 2014, retweeted 3059 times)

[17:01]

mercutio

i'd still rather some automatic type fault finding when tehre's a real issue
s/real/current/

[17:05]

BryceBot

<mercutio> i'd still rather some automatic type fault finding when tehre's a current issue

[17:06]

mercutio

although it's helpful to see packet loss isues across networks etc as is

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mnathani

What do the grey shades above and below a smokeping graph mean?

[17:35]

brycec

Jitter, iirc

[17:38]

mnathani

@wa what is jitter

[17:39]

BryceBot

jitter (English word);1->noun->small rapid variations in a waveform resulting from fluctuations in the voltage supply or mechanical vibrations or other sources, 2->noun->a small irregular movement;jit-ter (6 letters ->2 syllables);disturbance -> interference -> noise -> motion -> movement (total: 5);trijet;(none);13 (International English) -> 13 (North American English);(???) ?54-8837

[17:39]

brycec

mean deviation would be a more precise description

[17:39]

up_the_irons

@wa what is verpassen

[17:39]

BryceBot

overpasses (English word);noun->bridge formed by the upper level of a crossing of two highways at different levels;'ohverp,asuhz (IPA: ˈoʊvɝpˌæsəz);1929 (Interwar period) (85 years ago);overpass;flyover;bridge -> span;(none among common words);(none among common words)

[17:40]

brycec

@define verpassen

[17:40]

BryceBot

No definitions found for verpassen.

[17:40]

brycec

Huh, interesting.

[17:40]

mnathani

@define jitter

[17:40]

BryceBot

No definitions found for jitter.

[17:40]

up_the_irons

it doesn't know german

[17:40]

brycec

Or apparently @define is broken :(
goddamnit Google
Stop breaking my shit

[17:40]

up_the_irons

(i didn't expect it to, just wondering ;)
haha

[17:40]

brycec

<title>Error 404 (Not Found)!!1</title>
That is the actual page returned from Google, "!!1"

[17:40]

up_the_irons

lol

[17:41]

brycec

(technically, http://sprunge.us/OHDA is the actual page returned)

[17:41]

mnathani

Network Jitter or delay variation is a measure of the variablility for a series of one-way latency measurements.

[17:41]

up_the_irons

brycec: forgot if i asked this before, but is brycebot open source?
i want to add dict.cc support

[17:42]

brycec

BryceBot is not. Components of it are. It's built atop other open source projects. But its code is not in a condition I'm comfortable releasing.

[17:43]

mercutio

smokeping doens't actually show mean ping
from memory it's the most common ping

[17:44]

brycec

What do you mean? I'm looking at it show that to me.

[17:44]

up_the_irons

brycec: yeah i understand

[17:44]

mercutio

where the outliers go to those spikes
i think it removes top/bottom 25% or such
is that mode?

[17:44]

brycec

avg = mean

[17:44]

mercutio

or median or what
yeh it's not mean though

[17:44]

brycec

eg "media rtt: 887.7 us avg"

[17:45]

mercutio

it's the median
so it's the middle ping

[17:45]

brycec

https://smokeping.cobryce.com/?target=ARP.Upstream6

[17:45]

mercutio

oh it says it's median anywaY

[17:45]

mnathani

is the average median
min median and max median

[17:46]

mercutio

i think it is median per runtime
but i think it's probably mean of all the values when showing the total
when it says "averaeg"
so it doesn't really show jitter that well

[17:46]

mnathani

sd would be standard deviation?

[17:47]

mercutio

yeh

[17:47]

mnathani

whats the am/s

[17:47]

mercutio

average median?
i'm guessing

[17:47]

brycec

"amsterdams per second" :D

[17:48]

mnathani

ratio of average median vs standard deviation
as per http://oss.oetiker.ch/smokeping/doc/reading.en.html

[17:48]

mercutio

if you have a few outlying high pings
it basically doesn't show up easily
(i have a host that's doing that for some reason)
if you leave ping command running to it the second before and after will be fine, but for one second ping is high
and i have no idea why

[17:48]

brycec

"the dark area around the line shows the amount of variation between individual probes" like I said, the jitter.
"Heavy fluctuation of the RTT (round trip time) values also indicate that the network is overloaded. This shows on the graph as smoke; the more smoke, the more fluctuation."

[17:50]

mercutio

maybe it needs a few spikes

[17:59]

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[18:13]

mnathani

why does g.root-servers.net not respond to pings?

[18:26]

mercutio

use i.root-servers.net?

[18:26]

mnathani

all the other 12 are responding, but not g
perhaps I should use a dig probe

[18:28]

mercutio

well they'r erun by diff people

[18:28]

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[18:30]

mnathani

right

[18:32]

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[18:40]

mnathani

I just switched VPS's for my weechat
I seem to be missing some info from the first column where the nicks should be
seems like a colour issue
black fg and bg

[18:45]

m0unds

in the server buffer or chat buffer?

[18:56]

mnathani

m0unds: My mistake. I was expecting text in a location in the chat buffer where there was supposed to be none

[19:07]

m0unds

ah
smart filters are a cool feature in weechat too
also, you can turn off the nick list to make it appear like vanilla irssi if you're more used to that by some chance

[19:07]

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mnathani

How would I go about doing a full back up of a server, and then doing regular incremental or differential backup so as to not require a complete backup each time. To restore, I would only need the full backup and the latest incremental to restore.

[19:45]

mercutio

mnathani: zfs send...
oh
that needs all the incrementals

[19:46]

mnathani

I guess this is more differential than incremental

[19:47]

mercutio

oh you want each incremental to be since the original

[19:47]

mnathani

yes

[19:47]

mercutio

you could do that with zfs send
:/

[19:47]

mnathani

How about if I am not ruuning ZFS

[19:48]

mercutio

heh
well i'd make a copy of the file system

[19:48]

mnathani

am looking for something that would fit nicely in a BASH script

[19:48]

mercutio

and then use something like rsync against it?
but
i don't know if you scan store that
do you want/need delta compression?

[19:48]

mnathani

dont think so

[19:49]

mercutio

because you could have a script that just gets files that have changed / werent' there orogiinally
and puts them in a tarball
but it means if you do things like append a little gbit to a whole lot of files it has to store it twice

[19:49]

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[19:51]

brycec

rsnapshot (I think that's the name) provides you a unified image care of hard-links. You can grab any incremental snap and it's 100% complete.
I'm still a fan of duplicity though. There might be a way to tell it to create incrementals against the root.

[20:01]

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[20:10]

mnathani

transparent_hugepage=never Does anyone know if that kernel parameter is still required to install 64bit CentOS 6 on kvr02 ?

[20:11]

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[20:11]

mercutio

i imagine it crashes if it doesn't work