Root Access - 2014-01-05

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12:00 AM

I would have happily settled for more spindles, more RAM to cache the IO (and thus more sequential writes, but needing x64) or a proper RAID controller with a sufficient cache module (say 1GB flash backed).

Their initial solution: Move from RAID 1 to RAID 10 (one two drives)

@Hennes I'd probably be running four high-end SSDs in RAID 6, probably Samsung SM843 enterprise SSDs. Expensive, yes, but well worth it.

...

why is it so hard to find a USB 3.0 hub that'll ship here?

amazon.com/Anker%C2%AE-7-Port-Adapter-High-Capacity-Chipset/dp/…, nope

With four drives I would consider RAID 10

It's a write-heavy workload, so consumer SSDs would probably wear out after several months to a year of use

the amazonbasics equivalent? nope

12:02 AM

Not sure if they wear out that fast.

They used to.

But modern ones are much better

@Hennes, how much data are you writing per day?

No idea. That was in the month before I left.

At least 100 GB per day?

But the intended goal was 80 camera. Each compressing their data on their own, then via TCP/IP to the server(s). Decode there, do motion analyses (no idea if it would write first and then analyse the file or do that midstream). But that is 80 times a decoder + analyses. And read a few of those to displays.

100GB per day on a modern SSD should not be a problem.

Journeyman Geek

well, hence the array. spread out the writes

12:05 AM

The Samsung SM1625 is probably a better choice, not the SM843, but these are even more expensive

101

Q: Are SSD drives as reliable as mechanical drives (2013)?

SSD drives have been around for several years now. But the issue of reliability still comes up. I guess this is a follow up from this question posted 4 years ago, and last updated in 2011. It's now 2013, has much changed? I guess I'm looking for some real evidence, more than just a gut feel. ...

storage ssd reliability

I no longer work there. New job

ADT/Tyco was almost 4 years ago

I have an mSata(?) SSD I think, that thing is ridiculously small

1:07 AM

@ekaj I'm playing with the idea of installing an mSATA SSD (probably a Plextor M5M) in one of the two mSATA slots of the Dragon

It's easy to do, and doesn't require fancy disassembly--according to the service manual, it takes little more than opening the main bottom cover and inserting the drive into the motherboard. (It helps that the system is an easily-serviceable Clevo.)

I'm hoping to use it for Intel Smart Response Technology

1:20 AM

The problem with Haskell is that it's a language built on lazy evaluation and nobody's actually called for it.

@JimmyHoffa @allquixotic ^

Anonymous

please add more monads to Chatbot John Calvil

what's a monad @PatoSáinz?

just curious... literally writing plugins for a new SO bot atm

Anonymous

!!wiki monad

ChatBot John Cavil

A monadnock or inselberg is an isolated rock hill, knob, ridge, or small mountain that rises abruptly from a gently sloping or virtually level surrounding plain. In southern and southern-central Africa, a similar formation of granite is known as a kopje, a Dutch word ("little head") from which the Afrikaans word koppie was derived. If the monadnock is dome-shaped and formed from granite-gneiss, it can also be called a bornhardt. Definitions Monadnock is an originally Native American term for an isolated hill or a lone mountain that has risen above the surrounding area, typically by s...

Anonymous

!!wiki monad (functional programming)

ChatBot John Cavil

1:33 AM

Monad (functional programming)

In functional programming, a monad is a structure that represents computations defined as sequences of steps. A type with a monad structure defines what it means to chain operations, or nest functions of that type together. This allows the programmer to build pipelines that process data in steps, in which each action is decorated with additional processing rules provided by the monad. As such, monads have been described as "programmable semicolons"; a semicolon is the operator used to chain together individual statements in many imperative programming languages, They can also be seen as a f...

lol

@DannyBeckett chatbot? otherbot?

Groom Lake

You're probably looking for The Hangar; this is a separate roo...

1:56 AM

@DannyBeckett monads are like buckets

Anonymous

@JimmyHoffa i cannot understand that analogy

haskell.org/haskellwiki/Monads_as_containers

Of course you'll not ever understand it from reading about them

The only possible way to understand monads is to write some and use some

@JimmyHoffa so... can I put water in them?

Anonymous

@JimmyHoffa so... monads are just functions that won't be computed until they're needed?

Anonymous

lazy

2:02 AM

@PatoSáinz Nah, laziness has nothing to do with monads

monads are just mathematical structures

Anonymous

too. much. i'm. getting. mind. desease.

Anonymous

user image

2:51 AM

user image

wow neo.jpl.nasa.gov/j002e3/j002e3d.gif

3:08 AM

I have remembered something-- the internets love with cats is utterly misfounded, I remembered I'm a dog person. It took getting one again to remember, but after years with just cats, it's awesome having a pet I care about and enjoy again. Hooray for dogs!

2 hours later…

Journeyman Geek

4:49 AM

@JimmyHoffa the internet loves cats cause they're a uncontrollable, un herdable stubborn mass of spite ;p

@JourneymanGeek I presume you mean the internet is

Journeyman Geek

Well, and cats. There's not much difference ;p

1 hour later…

6:21 AM

@JourneymanGeek There needs to be a way to star a series of messages.

Journeyman Geek

yeah, there does ;p

6:51 AM

:12998389

:12998389

@JourneymanGeek .\

Journeyman Geek

7:08 AM

hm, that was an odd movie

tho not as incoherenet as I'd been lead to believe

7:23 AM

Aaah, read-only mode?

Interesting =p

Why?

writes a question

Folks on MSO are going to kill you :P

Nothing planned though as far as I can tell from my super seeekrit mod channels.

"We're doing a bit of maintenance right now and have put the site in read-only mode so that you can still access all the questions, answers, and general knowledge goodness."

A watered monad will flower

5 hours ago, 2 minutes total – 6 messages, 3 users, 1 star

Bookmarked 11 secs ago by Jimmy Hoffa

That's how.

!!define mso

ChatBot John Cavil

7:27 AM

@Boris_yo My pocket dictionary just isn't good enough for you.

@slhck MSO?

I wonder how many unique visits superuser.com gets per hour

@ekaj You can calculate traffic per month and then get average per hour.

Journeyman Geek

@utkash - haven't we talked about @tting people too much, and being a help vampire? ;p

or should I say @Windows8

/me @ts every superuser

That grey cursor in the edit box is really hard to see

7:31 AM

@Gowtham Which comet?

@Boris_yo Meta Stack Overflow

Journeyman Geek

@ekaj: oh he did it on two channels, while I was watching a movie ;p

Hahaha =p

Journeyman Geek

(apologies to anyone whose username starts with tting)

@J

@e

Does it have to be more than one letter?

7:35 AM

@ekaj Three I think.

so even if 500 users have jou with the beginning, it pings them all?

Journeyman Geek

I have no idea

it needs to be 3 letters at least

tho it can be more

I read about it somewhere before but I forget

I think they need to be identifying.

because it would be annoying if someone pinged Bob and bobby, bobbett, and bobethy were also in the room

Identifying as in active in the room?

7:39 AM

No, but if there's a BobFoo and a BobBar, you cannot ping @bob, you have to use @bobf or @bobb

So if I pinged bob it would ignore the other two?

Journeyman Geek

but this is when using tabcomplete makes sense ;p

(if bob were here)

@slhck hi

I use tabcomplete a lot

shh he's here, quit talking about him

Journeyman Geek

7:41 AM

(amusingly, if I recall correctly @studiohack helped me change my nick my first day on chat, since my original nick was the journeyman geek, and @the was a bit underdescriptive ;p)

oh good, I can post a question about why the site was down now..

(not really)

@Boris_yo An engine

from Apollo 11 or 12

8:05 AM

Interesting read, especially about FocAcid: schneier.com/blog/archives/2013/10/how_the_nsa_att.html

Basically US gov't runs MITM attacks using FoxAcid servers to catch tor users, but they can't crack Tor successfully so they rely on native firefox vulnerabilities

8:28 AM

user image

Windows Sidebar?

8:40 AM

@Boris_yo look at command and see what it points to

Journeyman Geek

ooh

food factory episode on dog food

hahaha =p

Journeyman Geek

apparently dog food is supposed to be fit for humans too

i have adb binary in this folder : ~/android-sdk-linux/platform-tools/adb. To set path I have issued : `export PATH=$PATH:~/android-sdk-linux/platform-tools/` and
`sudo ln -s android-sdk-linux/tools/adb /usr/local/sbin/adb` but issuing `./adb` doesnt work.How to fix ?

could you not do sudo ln -s adb /usr/local/sbin/adb

providing you're using $PATH

but I'm a Linux noob

8:55 AM

@ekaj sidebar /autorun

then it's sidebar =p

How to prevent characters stickers from glueing off?

characters stickers?

user image

Journeyman Geek

if its in path, which should find it.

8:57 AM

I've never seen that

Using english with hebrew.

Mm, I think if they lose their adhesive your best bet is to just get a new sticker

or a sharpie

@ekaj What is sharpie?

umm.. one sec

a permanent marker?

@ekaj Where would I get white one?

9:00 AM

Uhh.. whatever your equivalent of Walmart is? =p

You're in Israel, correct?

@ekaj Yes

Not sure correction pen would stay

An office supply store might have some permanent markers like that, they come in silver and white sometimes

Journeyman Geek

yeah

they do rub off though

Handy thing about a marker is that you can write it again =p you could just order more stickers like the ones you have, or even put a clear sticker over your marker

Journeyman Geek

I've found that in some cases brush on superglue on just the edges of stickers works well

but the stuff is a pain to find

9:09 AM

If you're fast.. you can use normal =p

except buy multiple brushes..

Journeyman Geek

naw

its the precision of application

seriously the stuff is the shit

what the hell

user image

Journeyman Geek

I use an off brand one off daiso bit its very similar to kk.org/cooltools/archives/13353

@ekaj: Japan. Nuff said.

i feel like this guy:

i cast ONE METEOR in Godus and ended up basically destroying my civilization

Journeyman Geek

"I don't want to set the world on fireeeee.... but oops, I did it again!"

(apologies ... to everyone.)

9:13 AM

@JourneymanGeek What do you mean? I must buy small brush and use SuperGlue on sticker's edges?

imgur has a little compilation of Japanese people doing Japanese things.. this is one of the few that made me say WTF

Then there's a guy eating spaghetti in a running dryer

@JourneymanGeek I have this one:

user image

Journeyman Geek

@Boris_yo: VERY different

less precision, and usually it dries out ;p

I actually run out of brush on superglue

user image

@JourneymanGeek What do you mean?

Journeyman Geek

9:16 AM

@Boris_yo: its totally different from using normal superglue and a brush ;p

@ekaj oh I remember that one

@ekaj Buying sticker would cost me $7. I am not going to spend that only for one character's sticker.

Journeyman Geek

for the set?

@JourneymanGeek Yes. It's monopoly here for such product.

Journeyman Geek

then memorise the key assignment ;p

totally free!

9:20 AM

I use IE9 while we already have 10 and 11 available. Do I make mistake?

9:42 AM

It wouldn't hurt to upgrade

9:57 AM

I don't know if I should play with server 2008 or 2012..

I have adb in ~/android-sdk-linux/platform-tools/

I created the symlink of adb to /usr/local/sbin/

ls lists adb there.And I can execute it there by issuing ./adb shell (in /usr/local/sbin/ & ~/android-sdk-linux/platform-tools/ )

i.e ,

> aswin@Tron:~$ cd /usr/local/sbin/

> aswin@Tron:/usr/local/sbin$ ./adb shell

> root@android:/ #

@ekaj What IE version do you have? Does it have session backups?

I added both to $PATH by : export PATH=$PATH:/usr/local/sbin/:~/android-sdk-linux/platform-tools/

and added them to ~/.bashrc

but when I try to execute :

aswin@Tron:~$ ./adb shell

bash: ./adb: No such file or directory

whats the problem ?

Journeyman Geek

I wonder if its a permissions issue

try sh adb

@Boris_yo I'm running 11, and I have no idea what session backups are

10:04 AM

@ekaj Sessions restore upon crashes. Saving sessions under different names.

@JourneymanGeek sh: Can't open adb

Journeyman Geek

thats curious

It does restore sessions upon crash, I'm not sure what saving sessions under different names is, though, but you can add all your currently open tabs to the favorites in one click if that counts =p

@ekaj How do I do that?

favorites, add current tabs to favorites

well.. like three clicks, and it asks for a folder to put them in

10:07 AM

@JourneymanGeek aswin@Tron:/usr/local/sbin$ sh adb

adb: 1: Syntax error: "(" unexpected

aswin@Tron:/usr/local/sbin$ ./adb shell

* daemon not running. starting it now on port 5037 *
* daemon started successfully *

but I can't do the same from

aswin@Tron:~$ ./adb shell

Journeyman Geek

10:28 AM

thats curious

I can see my breath in my bedroom

@ekaj Do you live in a refridgerator?

No, my room is just small, doesn't have heat, and there's a 4 ft long window beside my bed

and I like cold bedrooms

I'm torn between A) playing with just server 2012, B) just 2008 because it's what most are using and if I get an internship I might be able to do some server administration, or C) using both and just letting the servers do DHCP to the hosts, so all I have to do is move one cable =p

or static IPs.. I would have to ipconfig /release all of the windows machines on the network I think if I used dhcp

11:00 AM

@JourneymanGeek I was supposed to commence operation adb shell rather than ./adb shell

thats was the problem and it's fixed.

0

Q: Whats wrong with setting this path variable?

I have adb binary in ~/android-sdk-linux/platform-tools/. I created a symlink of adb binary to /usr/local/sbin/. I can execute adb from both the specified directories. Output: aswin@Tron:/usr/local/sbin$ sudo ./adb shell [sudo] password for aswin: * daemon not running. starting it no...

linux bash path debian adb

Oliver Salzburg

So it works "in your browser", but not when you "browse any website"? What? — Oliver Salzburg 9 secs ago

Can someone decipher that for me? :P

11:19 AM

no idea

@OliverSalzburg Unless he is using a VPS in his own country to try to bypass restrictions set by his country.. so he would be achieving nothing

So the IP would change at cmyip.com but he wouldn't be able to get out

.. pretty sure I interpreted it wrong

2 hours later…

12:55 PM

@JourneymanGeek where can I find windows 8 vanilla image ?

Journeyman Geek

1:28 PM

@Ash: apparently you don't

I got mine off dreamspark

@Ash err if the file is in your path you only need to run adb, btw, maybe you need ~/android-sdk-linux/platform-tools/bin/ instead

How to make existing file in folder to be zero size without deleting and recreating file?

zerolgt?

touch file FTW!

@Braiam It's not for size modification

1:45 PM

err... (sends @Boris_yo to a linux box and do touch somefile to see what happens)

1 hour later…

3:00 PM

@Braiam How dare you send me to Linux box?!

3:48 PM

Yeah. It should have been a BSD box!

4:11 PM

@Hennes I used Windows .BAT file to overwrite files with zeroes.

Woohoo, only 10 points to go!

4:39 PM

@Ash ./adb shell means in the current directory (ignore the path, get the current dir, execute adb. Try using eithert adb shell (with the ./) or /usr/local/sbin/adb shell

Ans 'sh adb' means start a shell and let that shell run adb (quite possible as a shell script, while it might not be a shell script at all. Check that with the file command)

1 hour later…

6:00 PM

Am I being out of line here?

0

A: How to uniquely identify GPUs (of the same model) on Linux?

Dell has a document that describes how to identify devices by slot on linux. Run dmidecode –t slot and match Bus Address and Designation for populated PCI slots then Run lspci –s to get info about device at the Bus Address for a given PCI slot. Or use their bash script

6:17 PM

user image

this guy is so funny LMBO!! :)

@Gowtham , @Boris_yo lets make some memes

user image

6:53 PM

@Ash Reminds me of gorilla...

7:31 PM

Harry Potter - How Characters Age

Journeyman Geek

7:57 PM

@terdon I don't really think so

8:07 PM

If you could all just stop approving tag wikis which are nothing more than just copypastes, that'd be great

@random wikipedia dump?

If it hasn't been a Wikipedia dump it's been a project page dump. Either way, it's not a useful chunk of SU specific text.

8:55 PM

I have no idea what I'm doing here :S

user image

9:11 PM

@allquixotic Hey, they admit their service might be at fault!

That's a first.

How come one downloaded .RAR file has different permissions compared to second .RAR file whiel both have been downloaded from internet? Who decides on my system which permissions to set?

The uploader?

@allquixotic - must be your computer: support.xbox.com/en-NZ/xbox-live-status

9:41 PM

0

Q: Why File Permissions Are Different For 2 Files Downloaded From Internet?

Have downloaded 2 .ZIP files but both have different permissions for reasons I don't understand. These 2 files among other files were in public directory of source laptop through which I wanted to copy to destination laptop using LAN cable. After copying whole directory to destination laptop I co...

windows-7 security permissions file-sharing

10:26 PM

Nice seats: dxracer.net/cat5_d-series.html

They use those for MLG comps

10:58 PM

Give me all factors that influence international internet surfing!

1. Caching at ISP side
2. Speed of ISP computers
3. Website server
4. CDN
5. Website's traffic
6. Client's bandwidth
7. Website's coding

11:42 PM

Dreamspark offers Windows Server 2008 and 2012... anyone know if it's possible to get 2003?

user image

left it unplugged 24h and surfed a bit and it was still at 97%

That is a creepy picture.

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Transcript for

Jan '145

Root Access

For all you Super Users out there. You have backups, right?

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