Ask Ubuntu General Room - 2014-10-20

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Ubuntu Questions on U&L

12:08 AM

0

Q: Reading Smart Card

I have a DB-25 connecting (RS-232) smart card reader. I'd like to pull and read the raw data stored on the smart card. Any ideas on how this can be done?

ubuntu shell-script serial-port serial-console smartcard

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Because... Quality Assurance!

12:42 AM

@hbdgaf you can, as long as there is non-stop-music playing and volume is at the top.

That is my trick, I can deal with anything playing good music.

5 hours later…

5:34 AM

If I've 1GB of RAM, then which is better unity or gnome?

I know that Xubuntu is Light & Lubuntu is Lighter but if I choose between Ubuntu & Ubuntu-Gnome, then which consume less resources?

Ask Ubuntu Meta

0

Q: Proper use of Bold and Italic text in posts?

I would like to make this post to specify "proper" methods of bolding/italicizing text in questions and answers to keep the site clean and easy-to-read. Partially based off of my other question on bolding. If you have a preferred method of bolding and italicizing text in posts, please add it...

discussion formatting text-formattng

1 hour later…

Ubuntu Questions on U&L

7:11 AM

0

Q: How do I port this initramfs script from Ubuntu to openSUSE?

I have an Acer C720 chromebook on which I installed openSUSE (after using Ubuntu on it for 6 months). My problem is that I can't get suspend to work. On obuntu I used this fix: Instruction for UBUNTU create file /etc/initramfs-tools/scripts/init-top/unbind_ehci with following content http://pas...

ubuntu opensuse systemd init-script initramfs

7:59 AM

Is meta dead now?

8:10 AM

I flaged this comment as "Not constructive" but that declined. Is that really constructive that I don't know?? This is what I get from that link:

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@KasiyA Dealt with it.

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8:34 AM

:DD funny

I love cats

;)

@Whaaaaaat is this good ?? w(a)*6t

Or w(a)3!t

Or w(a)*√ ̅36t.

or w(a)^6t

or W used for electricity unit ;D

2 hours later…

10:28 AM

3

Q: Batch rename -- multiple image types

I have a large number of images that I copied from a failing external hard drive. All of the images are fine and have no corruption, but oddly a large number of them are now missing extensions. The files are a mix of jpg, png, and gif, and are named in the following structure, all in a single fol...

scripts images batch-rename

1 hour later…

Ubuntu Questions on U&L

11:46 AM

0

Q: Why does mouse and keyboard freeze when Linux swaps

I have noticed that under Linux, when there is heavy swapping, the mouse cursor freezes, and even CapsLock or ctrl+alt+f1 don't work. The system uses the deadline I/O scheduler but this should not matter at all since mouse and keyboard I/O should not compete with disk I/O. During the swapping the...

linux ubuntu linux-kernel

2 hours later…

1:30 PM

10 years of Ubuntu!

6

Ask Ubuntu Meta

2:19 PM

1

Q: How do I represent a * when asking a question?

I was trying to post something here that had two (nonconsecutive) asterisks in the text. They ended up being replaced by spaces. How can I represent those asterisks?

discussion tags

Sneaky Microsoft plug-in puts Firefox users at risk - Internet - Software - Security ) 16.10.2009

2:53 PM

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@Seth gratz! have a card :=)

3:44 PM

0

Q: How to avoid XRUN callback skips

After I set QjackCtrl and Arour, I can record fine, but XRUN callback skips are annoying. This is my QjackCtrl configuration: In logs I see: 18:37:22.041 XRUN callback (97). 18:37:22.793 XRUN callback (42 skipped). 18:37:24.794 XRUN callback (111 skipped). 18:37:26.795 XRUN callback (111...

14.04 jack ardour audio-recording

cc @Mateo @Takkat, Probably you have some ideas.

4:00 PM

Happy Birthday Ubuntu! :D

4:42 PM

Ten years? We've come very far now.

Even though I still miss Gnome2.

On an unrelated note, I just got one of @muru's answers in the "low quality" review queue. The audit system isn't even trying anymore.

@Whaaaaaat Was it an audit or had he just posted a very short answer? Those are auto flagged.

@terdon It was an audit. If Muru's posts are in low quality, it's 100% confirmed to be an audit.

@Whaaaaaat Indeed, the only other case I could think of is that he'd posted a perfectly correct answer that was just too short.

@terdon It was like 30 something lines long. I also don't think muru can post a short answer. He'll always explain everything.

True

4:53 PM

Wow. insanely late typo catch.

long*

@Whaaaaaat There you go, fixed by magical mod powers.

@terdon yay mods :D

:)

Water + Computer Case = Cleaned Computer.

Lies

4:59 PM

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@terdon Soo... Washing out those bugs?

I've been meaning to post a Q on SU about that. As far as I can tell, that is perfectly safe and a good way to clean your computer as long as your let the thing dry before using. I wonder if there are any reasons why you shouldn't do that.

Rust.

And it needs to be completely dry.

Yeah, but apart from that, it should be fine right?

If there is no power in it at all.

meaning no PSU, no CMOS backup battery, no nothing

5:02 PM

You can't turn your phone on right after putting it into the fish bowl.

err, more like shouldn't than can't actually.

Let me remember why that's the case.

@jokerdino lifeproof.com/en/galaxy-s3-fre

@Whaaaaaat I always wonder if I'll ever get one of my own answers as an audit. :D

@Whaaaaaat Ah, yes, the battery. Still though, if you let it dry for a week, that should be OK right?

@jokerdino If the phone is totally off with no power, no damage will be caused. If its on, not adequately protected against water, and gets water in it, things might get shorted and go bye-bye. Smartphones are always on, so...

@muru Happened to me once :) I was happy to see that I passed the audit by marking it as OK!

3

5:06 PM

The battery provides voltage, so it may break. It really depends, though.

@terdon awesome!

I now want to create an AI to do reviewing for me.

@Whaaaaaat the audit system is sometimes very obvious. I had an audit on a 3 year old topic once :-P I was like... yeah right.

is this our problem? >:) -> askubuntu.com/questions/539422/…

5:39 PM

@Rinzwind Well, that's primarily true for the new user queue. The other ones can really have any timestamp.

@Rinzwind Flagged and closegoated.

5:58 PM

@Rinzwind Srsly, beat my answer by 13 seconds??!

LOL

I literally just clicked Submit when I noticed the "new answer" message.

there you got an upvote from me

oh seems we hit gold >:D

same.

slowpoke <:-D

6:01 PM

flame war established.

I did my topic from memory _O-

@Whaaaaaat lol

oh wait Jorge is here :X

we need to behave

wait, Ctrl-Shift-F1?

I though it was Ctrl-Alt-F1

crap

FIXED

now who upvoted you and did not upvote my far more superiour answer >:D

(in case someone reads that ^^ I am j/k'ing :+)

I mentioned xkill. PIDs are for cavemen :D

:D

I know someone who got told about kill and he tested his skills on this process:

6:06 PM

sudo kill -9 1

root 1 0 0 19:14 ? 00:00:01 /sbin/init

yeah that one _O-

CALLED IT!

you sure did _O-

how did i know.

I do that to force stop my system.

it rebeels by puting typis in al of my posts.

so I added a warning :=)

6:09 PM

what is the lower bound for "dangerous" kills? 100?

somone deleted an upvote :(

@Whaaaaaat yeah. think so. I walked through a ps -ef just now and 1000+ seem to be normal programs

@Rinzwind that was me. i accidentally hit my touchscreen. re-upvoted

LOL

under 500 seems to be the "deadly" limit

- Courtesy of poor VM #17.

awe. seamless ubuntu doesn't work with Windows

good

nice edit

at least I am in front of Luis again :+

6:18 PM

?

he challegend me to a 1 year reputation race >:)

ah

I'm beating @RPiAwesomeness by a ton.

Even though that was never a race, more of a friendly competition

lol

there is a difference?

No.

But @KasiyA is collecting rep like mad.

I don't think she even sleeps.

what else is there to do in Iran? :=)

6:21 PM

@IonicăBizău sorry - no idea (not much experience about Jack and low latency here)

Hi everybody else

My rep was insane the 1st year >:D

Not beat me to the 5k mark?

@takkat takky!

good god.

@Rinzwind it was! Sanely insane ;)

6:22 PM

visited 253 days, 59 consecutive

@Whaaaaaat I was the quickest ever to 20k ;)

@Whaaaaaat you don't want me to show you mine :P

@Whaaaaaat 1268 days, 413 consecutive

I just want to get to 5k

that is a LIE. I visited all of these 1268 days :(

6:23 PM

@Rinzwind you did, I am your witness!

1st year on AU I had nothing to do at work :X so it was 200+ rep a lot of days

@Rinzwind It's by UTC

I even had a 750 rep day once O

@Whaaaaaat I can guarantee I was on AU every of those days. I even visited AU whilst standing on a Swiss alp this Februari >:-D

@IonicăBizău try one setting at a time, but try these, record, see if it helps, and if jack breaks change the value back and reatart the computer: try turning off the realtime check box, try turning up frames/period, turning up port maximum, changing the priority. but test one thing at a time. BTW, do you have a SSD to record to, I got the xruns on the sound computer down low, but figured that it was too much to save fast enough on a regular harddrive.

and, i am still the king of one-question wonders here at AU

6:26 PM

fossssssssssssssssyyyyyyyy!

all gratz on 10 year Ubuntu btw :D

evening all :)

<-- waves

foss!

I still remember my 1st Ubuntu day :=)

o/

6:26 PM

\o

So do I. I was advertising for a sourceforge script I made to install Burg.

Not a good start.

well 10 minutes before I booted Ubuntu I threw away a disk with Suse 04.6 >:D

First actual Ubuntu day? nibbles all day.

-1

Q: BLUETOOTH IN UBUNTU 14.04 LTS IS NOT SCANNING ANY DEVICE

BLUETOOTH IN UBUNTU 14.04 LTS IS NOT SCANNING ANY DEVICE, NOR IT IS BEING DETECTED BY ANY DEVICE, HOWEVER BLUETOOTH IN UBUNTU IN TURNED ON.

14.04 wireless bluetooth

Maybe it is cuz his caps is broken?

hanging CapsLock is a hardware issue - off topic ;)

6:30 PM

@Takkat Commented.

we need a canonical question/answer on how to debug ALL CAPS then dupe close all of them to that.

@Whaaaaaat you should remove comments like that :)

"vivid vervet" ... how did Mark come up with that ?!

6

@fossfreedom oh new name?

yep - 15.04

6:31 PM

what - a new name before a release is out? That's unique.

can I create it? pleaaaaaaaase

I still need that badge _O----

I'M DOING IT

how the heck do I create tags anyways :X

> Glad to see the unicorn theme went down well, judging from the various desktops I see on G+.

Not many people on G+.

@jokerdino there was a infestation of unicorns

6:33 PM

Anybody here knows how to see the space used/free on each PV used in a lvm?

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@LuisAlvarado and hello to you too >:-D

lvdisplay, vgdisplay and pvdisplay only show simple information

@Rinzwind hey buddy how are you today on this fine "SUPER RAINY DAY IN COSTA RICA"

@fossfreedom south african monkey so it does not seem to be a stretch for him to come up with Vervet

@LuisAlvarado we had the warmest weekend in 100 years overhere

I actually mentioned the vivid part but with another animal

@Rinzwind wanna trade?

6:35 PM

eek - that's a scary looking monkey

@LuisAlvarado I am in Holland.... we get more than enough rain so you can keep it >:)

thanks.... </sad>

lol

so 15.04 is going to be monkey business.

Now we never get hurricanes here. Direct one over if you get one.

6:37 PM

@fossfreedom known for their vivid blue... So will the themes be blue as well?

@LuisAlvarado you could try Takkat :+)

well let's see

this week I had, 3 earthquakes, from 4 to 6.7

cool

all days i had more thunder than rain

we get them alot up north due to gas-mining

6:38 PM

sounds like great fun...

I am pretty sure zeus lives right around the corner.. of the cloud above

but hey, at least the internet never goes offline

@Mateo Would it help to switch on a SSD? I have a speedy regular HD, but I'm thinking of switching on a SSD...

0

A: HOW DO I TURN OFF CAPS LOCK?

This is one of the simpler problems to solve. Steps are below: Locate the Caps Lock key. It is usually on the left side of the keyboard, near the A button. Press that key until the indicator light on that key turns off. Enjoy no longer having to shout. You can also run this command to manuall...

@IonicăBizău changing to a ssd will improved all I/O operations between 2x to 5x compared to a common hdd

@IonicăBizău SSDs usually are slower in data transfer for streaming. They only win in access times.

6:40 PM

that includes booting 2x-5x faster, apps opening like they were in cache and more

@Takkat no they are not

I have a 7 seconds boottime with my OCZ :=D
Ideal for watching series on 1/2 hour trains trips

as soon as it is a continuous stream like audio or video a fast hard drives is still unbeaten.

you CAN stream with a ssd

@IonicăBizău add one, so you aren't recording on the same drive

heck, I did it about 2 months ago, compared a barracuda with a 840 pro streaming on the lan using a ac-rt68u

6:42 PM

SSDs howver can manage multiple file's access much much better - that's why they speed up or OS so much.-

got better performance on the ssd

Then maybe a 10,000 rpm drive to get...

I have in plan to buy a SSD anyway. Thanks for feedback!

Well, and the hard drive should not be fragmented for great performance

Which does not matter on a SSD

BTW, I recorded my first song with Ubuntu (Ardour 3, QjackCtrl etc). :-)

6:43 PM

time for some afk time, bbl

o/

@Whaaaaaat whaaaaaaaaaaaaat?

@IonicăBizău nice, did any of those settings help?

@Mateo I haven't tried them yet since I managed to fix xrun callbacks by rerecording the corrupted parts.

Actually, it's not that bad, but annoying.

...in the middle of creativity, I'm disturbed by a skip like that... :-/

@IonicăBizău if you can, buy samsung 840 pro or OCZ, instead of kingston or intel.

6:47 PM

@LuisAlvarado Is any SSD compatible with my laptop?

yes

if you have a sata connection then you are ready

Doesn't it need any other adapters/cables?

which almost all laptops do

I am losing rep :(

Oh, so no room for two internal drives...

6:48 PM

@Mateo :-) Ok!

Back to my recordings!

How much memory do you have?

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Looks good? :D

@Mateo 16GB of RAM

Nope...

@Rinzwind done. and getting downvotes.

@Mateo The yellow bars are xruns that were already been fixed... I don't know how to remove all of them..

6:51 PM

@IonicăBizău try adjusting settings, your laptop should do better than that, that desktop we were using had 2gb, so you should get it going better

@Mateo I will. Thanks for info.

the goal is to not have any xruns, or very raley, we had about one every 20min

Good morning/afternoon.

Hi Nathan

o/

6:58 PM

@Whaaaaaat Well, yeah. Why did you post that silly Q?

It's nice to have time off :)

@terdon It was Takkat's idea.

Also, free rep.

@Whaaaaaat Umm, I don't think that was actually a serious suggestion.

Come on, delete that Q, it's just cluttering up the site with noise.

@Whaaaaaat oh Takkat sometimes is silly...

@Whaaaaaat I don't think so. It's a completely silly question and you're already getting downvotes. Mine included.

And close votes.

7:01 PM

@terdon I just gained 11 rep from it :D

@Takkat Takkat is always right.

@Whaaaaaat Seriously? Ugh.

I'll nuke it.

Cool :)

@Whaaaaaat go for Peer Pressure badge!

@Takkat Already nuked it.

@Takkat I already have that i think

7:03 PM

nope you didn't but now you may ;)

that's interesting: awarded 231 times only - so it's a rather rare badge.

@Takkat Is Takkat being silly or serious?

@Whaaaaaat this time it might be more serious rather than silly.

@Takkat Un-Nuked

Help me get a badge! Downvotes please!

lol - that's cheating... if communtiy deletes the post before you then you won't get that badge :)

:(

7:08 PM

now get it off the site

the second i get -3, it's gone

ya know, all caps sends the question to meta.tavern

@Whaaaaaat oh, no you don't...

@jokerdino Our cover is blown!

3

@Mateo nerrrr

7:09 PM

hey hi

aaaand done.

nuked and badge'd.

grats :P

-_-

that xkbset thing is actually pretty good data, should have made it community wiki...

1 hour later…

8:46 PM

34

A: How do I turn off Caps Lock (the lock, not the key) by command line?

I don't know of any command line tool for that in Ubuntu. (For Num Lock, there is numlockx .) Here's a one-liner that you can copy-paste into a terminal window: python -c 'from ctypes import *; X11 = cdll.LoadLibrary("libX11.so.6"); display = X11.XOpenDisplay(None); X11.XkbLockModifiers(display,...

what would AU do if i sockpuppeted down one of my own posts?

3 hours later…

Journeyman Geek

11:21 PM

Just don't ;p

There are few things as "fun" as trying to deal with legacy database tables.

@JourneymanGeek Who said I ever would? I don't wanna get banned! Plz don't ban me! cri

Does this answer seem to be a bit spammy? I'm certain it's not intentional, it just reads like an ad:

0

A: need to recover data from a data hard disk that I used testdisk on in my attempt to repair mbr from a rootkit virus

Try Recuva by Piriform (maker of CCleaner). The tool is free. With v1.51.1063 they added support for ext2 & ext3 file systems. The tool will scan a disk and attempt to recover individual files that have been deleted from the disk. This tool has saved critical data for a few individuals I know w...

If you give me your Bitcoin private key, I can tell you your public key!

2

It's magic!

RPi Awesomeness

11:39 PM

@fossfreedom Dude, I legit suggested something pretty darn close to that on the Survey on OMG! Ubuntu!

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