Ask Ubuntu General Room - 2014-11-02

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Ubuntu Questions on U&L

12:11 AM

1

Q: Calls to sync/fsync slow down after 30 minutes uptime

After 30 minutes of uptime using Ubuntu 14.04 with a hybrid SSD I see many processes blocking IO using iotop. This is during disk writes, for example if I open and close an empty file in gedit it can take 2 seconds to close down due to dconf writing settings, this effects other apps in a similar ...

linux ubuntu filesystems kernel linux-kernel

2 hours later…

2:04 AM

Well I found out one difference between Qt4 and Qt5, a lot of classes were moved from QtGui to QtWidgets.

That was annoying.

2:17 AM

@Seth because widgets are cooler ;)

new wallpaper I made in gimp:

user image

although patterns are really distracting...

2:48 AM

oh, how about one for those on debian:

user image

@Mateo NICE!

here, same, but with the ubuntu logo:

user image

I like all of them. Dunno that I'd actually use the first, it is a bit busy, but the second and third are just awesome.

yeah, it was fun, but the min I put the first on my desktop I knew it wouldn't work for a background

I can haz wallpaper resolution?

2:59 AM

I was working in 1920x1280

I can post the full one if you want

I got 1920x1080.

@Mateo yes please!

so which one

Can I have both the Debian and the Ubuntu?

I tried setting the one above as my background, but it was a little too stretched out.

yeah, that was a screen-shot around 600 pix...

user image

user image

there we go :)

much better, thanks :)

still slightly stretched looking, but it fits much better than the last lol.

3:03 AM

like squashed?

maybe I'll work on the ideas at a higher resolution, and on the mac ;)

@Seth oh wait, I think imigur converted them to jpeg...

@Seth let me just put them on a drive for you

https://drive.google.com/file/d/0B53ODful5D1wRFlwWWRPSzhyLWs/view?usp=sharing
https://drive.google.com/file/d/0B53ODful5D1wbzcxTEFnYTZ3M00/view?usp=sharing

@Seth try those

well, later.

@Mateo Ok, will do.

(sorry, I got hungry again)

3:27 AM

Lot better @Mateo, thanks!

3:49 AM

@AvinashRaj Yes it does, but that doesn't make it a duplicate. The answers might be similar, but the questions are still different. — Seth ♦ 1 min ago

@Seth may i know how the questions are different?

One asks how to upload, one asks how to take a screenshot and upload. If I dupe then I should be able to merge, but I can't merge because KasiyA's questions is only about uploading. This is a big indicator they are not duplicates.

When you dupe something the questions should usually be the same too, not just the answers.

If they aren't then there is strong reason so suspect they shouldn't be duped.

3 hours later…

7:18 AM

@Seth Yes. Lots of stuff moved around. When you keep going back to the docs, you see that the moves are pretty logical though.

3 hours later…

10:18 AM

Hello people...

4 hours later…

2:00 PM

Unity Scope development competition!

7

@Mateo conetests should be sticky starred as PSAs

@NathanOsman - there is hope. found a one degree of removal person that's on Inbox.

@Mateo Is there an RSS catcher scope yet?

@hbdgaf inbox sounds intresting, that would be really neat

@Mateo on inbox or the rss catcher thing?

Ubuntu Questions on U&L

0

Q: Linux for girlfriend

I want to install Linux on my girlfriend's machine. Her current system, Windows Vista, is about 7-8 years old and pretty slow. She used Windows all her life and to make the change as easy as possible, I'm looking for the most user friendly and windows-like Linux. I personally use Ubuntu, but she ...

linux ubuntu linux-mint

boo. I hate those posts. ^^

2:06 PM

Would probably hinge on being able to add an extra setting to change the RSS, or search your suscribed rss's then show the RSS content

@hbdgaf oh both, I changed thought tracks mid sentence

Yes. It would hinge on configurability. One - track all these feeds and put it all in one scope view. Two - let the user toggle feeds. Three - wishlist - multiple views in a single scope with a per feed breakout.

Needs either the hammer or a dupe to an existing performance out of old hardware based question: askubuntu.com/questions/544710/…

That would be one amazing scope though, managing RSS and searching them

It would be a nice thing to have in the ecosystem. Not that I'm planning on building it, but it's a winner idea.

Maybe I'll set up the SDK and follow their guide, and see how easy they are making it...

Heh. That too. I'm on Xubuntu and possibly soon LXQT instead - it's maturing now. So, it's one of those, I don't build things I don't use sort of things.

2:14 PM

Always wanted to learn some of this, just don't always have the right motivation

That would be an awesome project though... A Unity scope applet that you could launch as an application to get scopes on all desktops.

Desktop integration is nice, but being portable across interfaces is even better.

I know you can launch the apps on the desktop, wonder if the let you launche a scope the same way

No idea. It would be neat though. More of a mind-bender than I'm signing up for though.

@hbdgaf seems like a way of attracting answerers :)

I meant I hate the "I'm installing this for my GF, and since she's implicitly inferior and wouldn't understand a new user interface" no. Just pop in a livecd, explain that you'll show how to do things for 20 minutes, then after 60 minutes if she doesn't like it - you'll try something else.

2:22 PM

yep...

you'll try something else, another gf? :-)

you owe me a keyboard.

not really, I use it as an expression to say - that was really funny and I had a drink at my lips when I read it

I switched my sister over to Ubuntu, and have had a significant drop in having to fix things for her

^^ that.

@Mateo - did you see the new project from someone not Linus but shared by the same over on G+?

And the dash really helps, "just type here and it will find it" is really good for the not so technicly inclined

@hbdgaf can't say I have

The dash helps for people that are all "Oooooh, squirrel" and less "It should be here in my decision tree. Why is it missing?"

@Mateo plus.google.com/u/0/+LinusTorvalds/posts/5iCHTJN2ueM

2:39 PM

Haha

Theoretical question: On a business card, do you find black background and white text/accents more or less appealing than a carbon-fiber texture background and metal textured text/accents

2:58 PM

I think I depends, design wise I might say straight black, carbon fifer might be cool if done right and fits your theme, brushed metal I think is out of style

I totally agree, I was looking for a third party to confirm that it wasn't my minimalism OCD kicking in

Although if you are a welder and used actual brushed metal...

Hah. Or if you're an embedded systems guy and metal is actually on the card to provide a conductive path etc etc. Yeah. Not that.

2 hours later…

4:45 PM

@hbdgaf someone found an Inbox invite for me.

@NathanOsman ohh, did it give you any to give away after signing up?

2 hours later…

6:19 PM

@Seth they are having a scope making contest, can you pin the message?

sure

that good?

I think I'm going to try and learn how to make one

@Seth looks great

If my C++ was better I would try too :(

I might try anyway.. maybe.

well, I think I'll at least take a crash course through the guide. not sure how far I'll get

6:34 PM

hm, looks like you can do a qt scope

6:56 PM

I have one flaged post for 3+ month ago and it's still on "waiting for review". @Seth hi :)

check it please. thank you

I restricted my flag but still it's active :D

@KasiyA I don't see any active flags. Check again?

@NathanOsman well that's good.

@Mateo I'm more concerned with turning all the moving parts from anaconda in to open and free community projects ;) LXC to the rescue.

hrm, might need to get 14.10 going for this...

it was asking for g++ 4.9 and all sorts of other stuff after making a project...

@Mateo Srsly? There's a competition that doesn't revolve around deploying applications to LTS and them just working on non-LTS?

@Mateo yes, is says you might need that somewhere..

7:08 PM

yeah... although I'm not sure what I'm doing, just opening the sdk isn't giving me a blank starting place to follow to the tutorial

I believe they added the scope project template in 14.10.

Pretty sure that's what it was.

it's in the sdk, but non working in 14.04

so, I think my netbook is geting the upgrade first!

kind-of disappointing to hit a wall at the create a project step

well, good luck. at least you have a good idea to start with.

It looks promising, because they say a scope can pull results from scopes: developer.ubuntu.com/scopes/guides/scopes-guide

so the first scope would pull from the rss scopes, which then each of the other scopes would be rss feeds

A reasonable approach, but configuration management would scare me with that approach.

well, not scare me... but would be the hardest part

7:18 PM

well, I guess if I can't get that far I could just slap a bunch of ubuntu rss news feeds in and call it UbuFeeds

>.> That would be sad - since it could be awesome.

If you get stuck, want to continue, and absolutely can't get passed it, ping me. I'll see what I can do.

sure thing, I'll keep posting on progress. I have a thin work week.

and my friend said he had a Toshiba laptop that he is going to give me, so I might have something better than my netbook to mess with around tuesday.

nice. i'm on my one day off for 13 days, but i get a 3 day weekend next weekend.

freaking christmas freight had to be out of the back room before black friday to make room... at least it's gone and a couple of managers are like "where did...wait...he did what?"

~~magic~~ lots of hard work

Yeah, one of them tried to help. "Can you fill this area with that abc you had in the top of the steel?" -- "No. I can't." -- stupid face -- "because I already have that on the floor."

7:32 PM

yeah, that happens. - refill mmm product - it's all gone!

Good problems to have, exhibit A

@Seth Is there any way I can make my flag count public?

screenshot?

user image

or you can run in a mod election

askubuntu.com/election/4

they still show relatively up to date stats

I'll probably run and lose.

but,

still an interesting exercise in introspection

8:22 PM

ooo, Marvel has an api, if anyone wants an idea for a scope: developer.marvel.com

Could be a neat hobbyist scope. I'm still not on board with scopes until there's an app though.

Ubuntu Questions on U&L

8:40 PM

0

Q: Grub rescue after corrupted hard-drive ("read-only filesystem")

I run xubuntu 12.04 alongside a NTFS storage partition and a windows 8 partition. I moved my MySQL data directory off the xubuntu (ext4) partition, onto the NTFS partition, and did an import of a database. I left it running overnight, and in the morning, I had a filesystem crash (everything was ...

ubuntu grub2 ext4 ntfs xubuntu

8:58 PM

@Whaaaaaat and why would you want to do that?

(in other words, no, unless you post a screenshot)

Anyone used gratisvps.net ? Just wondering...

nm. it's "complete trial offer" driven.

10:03 PM

@Mateo: I don't have any invites yet.

But if I get some, let me know and I'll gladly give you one.

10:16 PM

@Seth applying to be a mod somewhere

10:36 PM

@NathanOsman if I give you my deadrop account will you try that trick from forbes?

Forbes?

forbes.com/sites/jaymcgregor/2014/10/28/…

i'll give the acct info to @Mateo directly if you want to try it and it works...

I'm willing to try.

ok, just a sec and you should have acct info over on G+

you should see it shortly

Yup.

It's working...

10:44 PM

I wanted deaddrop@gmail.com, sadly it was taken.... so I had to make a crazy joke womp womp

@NathanOsman \o/

I'm signed into Inbox on the account you gave me.

Now what?

I'll try it on a fresh install of the app on a device here and add one of my other accounts. If it works, which I suspect it will, I'll ping Mateo with a mail that has the credentials. That way he can add his acct too.

I'ld remove that acct from your app for the time being, since it's just a placeholder to use as a bounce point.

Booo... it needs a newer android version than is on my phone.

@Mateo - you around?

@NathanOsman If I have to, I'll test it in an AVD.

Okay.

Ubuntu Questions on U&L

0

Q: How to set C++11 as my default compiler?

I am using ubuntu. When programming in C++, the nullptr keyword is not recognized by the compiler. It says "it's not declared at this scope". It doesn't work, even though I set the flag -std=c++11

linux ubuntu command-line c++ compiler

@NathanOsman I sent a mail to Mateo with the pertinent info so he can get in on the game.

10:53 PM

Cool.

11:04 PM

Sup @jrg

Just doing sysadminny stuff on a sunday.

heh. if you want in on the inbox invite game, i have you on G+ too.

I don't have a android device, and have moved away from google for most of my mail.

understandable. was being polite.

yeah, understandable. :-)

it's an interesting concept.

11:06 PM

I'm still hoping to get my hands on a Nexus 6 this week.

If Google will let me buy one that is.

crosses fingers, toes, and other appendages for 2 seconds in honor of Nathan

Lol...

I've got a script monitoring the product pages at 60 second intervals for changes.

DC posted on FB some historical biohacking references. My answer was, until I can get 5V from some implant, I don't really see the point (you told me you had it running on a raspi the other day)

Yes.

I have a ton of embedded devices I keep running 24/7.

@hbdgaf I'm back

11:11 PM

My Raspberry Pi, NAS (with a MIPS cpu, no less), a router, and a printer.

@Mateo Check your mail related to the Inbox thing... and scroll up to the forbes link if you don't get what I sent.

Some of those don't sound like devices.

I call them "devices" if I can SSH into them :P

(Well, okay, except for the printer.)

They are devices. HP printers run ssh, ftp, etc.

@NathanOsman I don't have a Pi anymore. :(

@hbdgaf ah, cool. I'll try it now.

11:12 PM

@jrg What happened?

Friend borrowed it.

Ah.

@Mateo awesome.

She got rather attached to it, thought it was really cute.

You must have had one smeksi case on that thing...

11:14 PM

Hah. no, was rather bland.

When I saw the beowulf cluster raspi thing - I was all... well done sir, well done.

Yeah.

@jrg Then she's smart and a keeper

user image

Was vendorware, of all things.

oh... when you said nothing much, I thought you meant clear or didn't exist.

11:17 PM

Bland.

@hbdgaf no, I believe in giving a Pi a case.

Somehow managed to brick my first one without a case.

resists the urge to say something like that's not a case, this is a case and post the beowulf video

Oh no, the cluster is definitely a case.

@jrg shorted pins happens.

That they do, that they do.

@hbdgaf "will not work for any Inbox accounts activated by this method, so your friend won’t be able to repeat it for others."

11:21 PM

@Mateo So, it worked for you?

nope, it signed in the dead account, but wouldn't work on switching accounts

Oh, sorry. Was worth a shot though.

At least it works if you want to give Nathan your for real creds. The bounce point thing puts it out, so I guess it's a good design decision.

@NathanOsman do you have the "invite" icon on yours support.google.com/inbox/answer/6067582?hl=en

Nope.

My Pi has a clear case, BTW.

Well, they are trying to give it to everyone over time... so, it should be standard eventually. We're really trying to steal server load, so I don't mind tricks not working.

11:28 PM

looks like a nice ui, so I was able to get a look at some of it

feel free to use that one for whatever. i may use it to register for some websites like kernelmode or keygenme etc... it's not a mass consumption ore personal email though.

ok, 14.10 on my netbook now!

nice. i'm toying with replicating anaconda using docker or lxc at the moment.

seems like their free offerings shouldn't really be necessary any more. the paid offerings are nice and worth paying for if you really need them though

Ubuntu Questions on U&L

11:46 PM

0

Q: I purchased a Ubuntu-preinstalled, used, Asus Mini Notebook off of Amazon. I pushed the power button while it was installing updates.

Okay the subject line basically contains my question. I purchased a used Ubuntu-preinstalled Asus Mini Notebook computer off of Amazon. It worked just fine for awhile. Then one day while it was installing updates and I was working on reviewing programming in the C language and learning the Shell ...

I hate race conditions.

@UbuntuQuestionsonU&L no, that is a pretty good way to ruin windows computers too...

@Whaaaaaat on another site? You'd just have to tell them outright, although it doesn't really matter. They will want to know your contributions to their site, not ours so much. If you mean AU itself that is handled my the election system automatically.

Hi @jrg, what's up?

@Seth Not in SE network

@Mateo How's scope making going?

11:58 PM

@Seth just chillin'.

@Whaaaaaat Oh rly? Well you'd just have to tell them and hope they trust you...

@Seth updates to 14.10 on my netbook...

oh. I upgraded and practically nothing changed so I wouldn't be worried.

@jrg chillin is cool.

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