Ask Ubuntu General Room - 2016-02-14 (page 2 of 2)

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7:12 PM

SE offline?

user136984

Apparently so... :(

We are failong over services now, Stack Overflow and the rest of the network will be offline for about a minute.

Tweeted by Nick_Craver on February 14, 2016 at 7:11 PM

Seth has made a change to the feeds posted into this room

@Seth A "minute" is well and truly up.

And it is back!

'about' ;)

7:18 PM

@Seth what changed?

hm?

yeah. I figured since someone ends up posting them every time we might as well just add it as a feed.

@Seth the feeds. It says you made a change.

status feed ;)

Oh, the twits.

user136984

So what exactly has changed? I don't quite understand...

user136984

7:20 PM

I don't see any chance anywhere...

@ParanoidPanda Seth added a ticker feed of the SE status twitter account

:27574480

wait, did I accidentally set it as a ticker feed?

user136984

@muru: Where? i don't see anything new...

oh phew. Nope, just a normal one.

7:21 PM

3 mins ago, by Feeds

Seth has made a change to the feeds posted into this room

@ParanoidPanda It's a ticker feed. New items are shown as a card at the top and fade away.

And I suppose nothing new has come since Seth add it.

user136984

A card at the top?

no, they will be posted as messages.

it might spam the catchup

user136984

Oh right...

7:22 PM

@Seth Oh, I misread it.

someone typing from ubuntu touch @Mateo? :P

yep

:D

14 hours ago, by Seth

So I have free 30 day access to pluralsight. What should I learn?

suggestions?

what is that

a computer?

pluralsight.com

user136984

7:25 PM

I have to convince an upstream developer that it would be nice if the System Monitor allowed one to merge all the CPU core graphs into one, and though I would find it useful sometimes, he doesn't seem to be accepting that as a reasonable argument so I was wondering if someone could offer me up a better reason why it would be useful? :)

@Seth Oooh! Architecture!

@muru Like, building architecture?

or PC architecture?

We are prepping the Stack Overflow maintenance window now - we'll notify when ready to take the brief outage.

Tweeted by Nick_Craver on February 14, 2016 at 7:04 PM

We are failong over services now, Stack Overflow and the rest of the network will be offline for about a minute.

Tweeted by Nick_Craver on February 14, 2016 at 7:11 PM

user136984

@Serg: How's it going with this by the way? Making any progress? :)

user136984

Wow! What was all that? :D

7:27 PM

@Seth the former, and never mind. It looks like it is full off AutoCAD: pluralsight.com/browse/architecture-construction

there it is!!

@Seth <in an admonishing tone> What did you do?

ooo, try some blender stuff @Seth

once the feed comes through the first time it posts everything currently in the RSS feed.

user136984

@Seth: I hope it won't just spam us with loads of updates most of the time...

7:28 PM

@muru ah

@Mateo that's an interesting idea.

looks like there is some blender stuff.

the other thing I was thinking about was learning Go.

Ubuntu Questions on U&L

0

Q: Ubuntu gets shutdown after unplugging adapter

I have ubuntu 14.04 installed on my laptop Lenovo T430. The problem which I am facing is my machine gets shutdown after I unlug the adapter although the battery is charged 100%. On my machine windows 7 is also installed -- this problem does not come up on windows and this problem is there only on...

@Seth Eh, I'm learning it. It's nice. A course would be overkill.

The documentation, tour, and playground are top class.

Use the course on something else.

hmm, ok then.

@ParanoidPanda that just happens on first adding

36

Q: At what time will the upcoming Ubuntu release be made available?

Every six months a new Ubuntu version will be released. Does anyone know at which time this will be?

release-management

Looks like it can be closed as a dupe of

7:35 PM

Hey, only 225 more points to go until I get the "protect questions" privilege at 15k! \o/

6

Q: Where I can find the status of the released versions of Ubuntu?

I want to know where I can find updated information about all the stables and in-development versions of Ubuntu, where I can find this information? This question is mean to be a canonical question. It expects to answer the following questions: Is X version stable yet? Is X version i...

release-management

@ByteCommander lamest privilege ever.

There are only four cool privileges: comment, downvote, edit and close.

@muru so close "when will the next release be released" as a duplicate of "what is the status of already released versions"?

@Seth the title is a bit restricted, but the body does into more detail.

@muru One has to take what he gets, right?

@Seth right in the blurb: "in-development versions"

I think the title should be just versions of Ubuntu

7:39 PM

"versions of Ubuntu" is not a question.

They're both separate questions, although with some overlap.

Oops. Where I can find the status of versions of Ubuntu?

Indeed, that's pretty much what the first line has: "all the stables [sic] and in-development versions of Ubuntu"

Sigh. What now?

Read-only again.

wtf

@Seth fix AU! :+) I need to post an answer

@Seth Me too. :)

@Seth What are we paying you for?

One of the best library names

WTF

7:47 PM

(bans everyone for spam-pinging him)

user136984

How come AU is in "read-only" mode at the moment?

user136984

user image

@muru I'm getting paid? New to me :D

user136984

I thought they finished what they were doing?

@Seth In Unicorn pennies, of course.

@ParanoidPanda Murphy's law!

7:49 PM

@Seth yes you are! In air.

UNICOINS

4

Hey, I was just about to post an answer as well. Give me write access!

@ByteCommander feel free to also clubber Seth hands over plastic hammer

user136984

@muru: Well, it happened immediately after I finished editing and making loads of changes to an answer... :D

user136984

So it's lucky that I saved those changes when I did! :D

7:51 PM

@muru I swear at first I read "Powered by Gilles" at the end.

@ParanoidPanda You. BROKE. Stack Exchange?

4

user136984

Maybe! :D

@kos can't unsee that. :D

@muru seth is always the one responsible :=)

@muru Yup. :D

7:52 PM

@ParanoidPanda May a thousand sites of the Stack Exchange empire descend upon you.

user136984

@muru: I am the all mighty Panda! No one can defeat me! >:P

@ParanoidPanda takes away all bamboosticks

imdb.com/title/tt0416449/quotes (in case anyone missed it)

Come on, I want to fix my answer!

It's back alive! \o/

7:54 PM

@Rinzwind for a moment, it reminded me of youtube.com/watch?v=Hx3Bz6cIPiw

\o/

WORKS AGAIN

user136984

@Rinzwind: Have you seen Kung-Fu Panda? I don't need bamboo sticks to defeat you! Only my size!!! >:D

@ParanoidPanda you need them to eat though :=)

0

Q: Best way to Reinstall Ubuntu 14.04 Without Deleting my Files

I deleted python from Ubuntu 14.04 and now my unity desktop is gone. I can't close any files I have open. The only way I can run commands is by using xterm. I still have access to my files, which is a good thing because I have programming assignments and other related school documents I can't aff...

anyone see a flaw in the 2nd part? :-) tell me if you do

I am not going to test that _O-

user136984

@Rinzwind: Pandas can also eat grass and other small mammals. >:P

user136984

8:00 PM

Oh no, AU is online again! My evil Panda plans have failed...

user136984

Plan B then! >;P

user136984

Can anyone answer this by the way?

user136984

1

Q: How to get alerted when the dependency of a program is updated and the program needs to restart?

It just occurred to me that often when I upgrade software (through the usually repository apt-get means) I am upgrading software which another program has as one of its dependencies, and though I can check whether or not my system needs a restart from any of the updates, I cannot easily check if ...

upgrade updates dependencies restart

user136984

Or do I need to put a bounty on it or something?

user136984

I would accept an answer which would just tell me which other packages list a certain package as a dependency.

user136984

8:04 PM

So I guess just searching through all the dependencies of other packages for the package in question.

Why did I have to go through the Human Verification CAPTCHA when I posted my answer right after the network came back?

@ParanoidPanda I guess that if the update is going to be substantial a [good] pre-install script would handle that.

8:27 PM

@ParanoidPanda Ever tried apt-cache rdepends PACKAGE --installed --recurse?

@muru Do you have an idea on this one? askubuntu.com/q/733484/380067. Apparently my suggested workaround fails in the same way.

8:44 PM

@muru Nevermind, missunderstandings. Though I can't reproduce the problem in any way.

8:54 PM

hmm, what does Elementary use for their "app store"?

9:10 PM

@Seth AppCenter I believe they call it

(it is based on Lubuntu software center)

ah.

user image

:O

0

Q: NEW popcorn-time.se Beta 3.2 installation ubuntu 15.04

Currently the Popcorn-time tar.gz available on the site is version 3.2 I have followed a few guides on here, youtube. there is only 4 files located in the tar.gz libffmpegsumo.so nw.pak package.nw Popcorn-time I followed askubuntu/questions/675526/ and /25961/ and a couple half witted you...

software-installation 15.04 tar beta

good grief people.

The problem is obviously not that he is running 15.04.

9:25 PM

@Seth so remove the 15.04 :=D

I did, but 4 people should have done it before me.

and the close votes >:)

or we close it and clubber the 4 ppl 1st

NaA -> askubuntu.com/a/734677/380067

and answered @seth :)

Hi everyone, can I ask you something? I'm a fairly inexperienced user, and I've got what looks to me like a serious problem. I've posted about it here: askubuntu.com/questions/733251/…

9:35 PM

Though it should stay, after all it's the closest you can get... It's just badly worded.

Now, I haven't received any replies here, nor over on ubuntuforums. My question: is there something wrong with my question? Unclear? Too specialized? Requires too much work to analyze?

Or do I just need to be patient and wait a little more?

@jphaller probably is probably your hard disk. bad sectors. Can you "fsck" it from a live dvd?

sudo e2fsck -C0 -p -f -v /dev/sda1

I can, and I have. It comes back without any errors. But the booting problem persists

Hold on, I'll try that

@jphaller Not sure how the workings go exactly during boot, but a thing that jumps to the eye is the fact that /dev, /sys and /proc are attempted to be mounted on /root.

Sorry, I have barely any idea what that even means. Where else should they be mounted?

9:43 PM

@kos all of the google results for this claim it is the hard disk. bad sectors then fschk might fix it. could also be a near death hard disk :-P

now that sounds reassuring... :P

@jphaller Well after boot they should be in /... /root is root's home. I may be missing something but that doesn't look right.

same askubuntu.com/questions/272597/…

used "boot-repair" to fix it

alright, here we are. fdisk -l shows me i have three devices: /dev/sda1, /dev/sda2, and /dev/sda5. The first and the third are "Linux", the second "Extended"

@Rinzwind, I tried that, to no avail

http://askubuntu.com/questions/653408/mounting-encrypted-luks-partition-from-live-cd
same but LUKS. so might not be appicable

and all others I found used fsck to fix bad sectors :-)

@jphaller start with sda1 since that will be the main disk ;-)

9:47 PM

@Rinzwind, found that one too. My hard drive is encrypted too (that makes it "LUKS", I believe?)

sda1 is small though, just 248832 blocks

I really am a total noob about this. I always thought I only had one HD, and now I'm being shown 3.

what 3 ?

you only have 1 >:)

with 3 partitions ;-) sda is disk 1. sdb would be disk 2

well, yes. But what then are sda1, sda2, sda5?

partitions

ah, partitions

I don't recall partitioning my disk, but fine. Must have happened automatically somehow

alright, so fsck sda1, then?

yes

it might complain that you need to do it manually

9:51 PM

clean

no complaints, just says it is clean, and reports on the number of files and blocks on it

and 2 and 5?

2 gives an error: Attempt to read block from filesystem resulted in short read while trying to open /dev/sda2

Could this be a zero-length partition?

thats probably the lvm?

blkid will show info on it

does it show "lvm2pv"?

no

it isn't listed there at all

one second, i'll try to post the full output

/dev/loop0: TYPE="squashfs"
/dev/sr0: LABEL="Ubuntu 13.10 amd64" TYPE="iso9660"
/dev/sda1: UUID="e07e2d58-cf62-457f-8926-b0f11c8e6dba" TYPE="ext2"
/dev/sda5: UUID="ea7a45ab-8fea-49b1-92d4-d96fefc07fa1" TYPE="crypto_LUKS"

And the output from fdisk was:

Disk /dev/sda: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders, total 234441648 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000ba132

Device Boot Start End Blocks Id System
/dev/sda1 * 2048 499711 248832 83 Linux
/dev/sda2 501758 234440703 116969473 5 Extended
/dev/sda5 501760 234440703 116969472 83 Linux

Ubuntu 13.10 hmm? :-)

10:01 PM

thats the disk, yeah

its an old disk

so it is luks and not a problem with the disk :P

is that bad? or have i merely cemented my status as someone who doesnt know what hes doing? >(

:) is what i wanted to type

ehm did you try vgscan?

running out of options :P

i think i did, but i can do it again

sudo in front of it

10:04 PM

if i just do sudo vgscan, i get:

Reading all physical volumes. This may take a while...
No volume groups found

sudo vgchange -a y
?

No volume groups found

btw, i never did show the output from fsck /dev/sda5

fsck from util-linux 2.20.1
fsck: fsck.crypto_LUKS: not found
fsck: error 2 while executing fsck.crypto_LUKS for /dev/sda5

does
pvscan
show anything?

No matching physical volumes found

ehm.. we need a luks expert :=)

10:11 PM

i see :)

what i find worrisome is that this fellow here seemed to have a similar problem as me: askubuntu.com/questions/653408/…

and he seemed to have given up on fixing the system, and was just trying to save his data

but even trying all the things that were suggested in the answers didnt work for me, and i dont know if they did for him

you dont happen to know a luks expert, do you?

nope I am not even sure if any of the regulars uses lvm :P

user139252

Alright, if I finish this test, I'll have passed a 16 week Calculus class in 9 weeks with a 92% average... Wish me luck?

if this is something so unusual, why do i use it? i dont recall doing anything crazy to my hard drive.

good luck!

if it was me who implemented lvm, i sure as heck didnt do it intentionally :P

okay, let me sum up. Ive got a problem which is somehow connected that i have configured my hard drive somewhat obscurely, however i managed to do that. To solve this, I would need help from someone who knows about this type of hard drive configuration, but such an expert is unlikely to be around on askubuntu. Either I find somewhere else where such experts are more likely to be around, or im screwed. Sounds accurate?

10:28 PM

almost. or wait for someone to answer your question ;-)
those ppl are around. I just said -I- do not know any :-D

user136984

Goodnight everyone (I'm glad Valentine's day will be gone soon because I have absolutely nothing to do on this incredibly boring day :P)! :)

i see. boy, this is incredibly frustrating

that's why I never bothered with lvm and encryption :D

you see, when i installed ubuntu, it was presented to me as a kind of default option, and i thought, if this is what most ubuntu users do, there are probably good reasons for it

cant say it was an informed choice, and i certainly cant say i foresaw that it would cause me this type of trouble now

my ubuntu is from before the encryption options :D
I like my system to auto login (and that does not work with it)

10:35 PM

okay, maybe i am getting a little further along

I followed instructions from askubuntu.com/questions/653408/… and did "sudo cryptsetup luksOpen /dev/sda5 myvolume"

now, when i do vgscan, i obtain

Found volume group "ubuntu-vg" using metadata type lvm2

is that better?

cool :-)

that should be what you need to see.
ehm next I would assume is a reboot?

oh wait

sudo vgchange -a y
?

yup. that gave

2 logical volume(s) in volume group "ubuntu-vg" now active

@JacobVlijm 200 >:-D

@jphaller oh reboot? \o/

i kept following the instructions from the other thread

what do you mean, reboot? dont i then end up where i was before_

before?

ehm the vgchange should have changed your setup. (it said "now active") ;-)

10:48 PM

ah, okay. let me try

not sure though :D

but it means i have to log out of here, since im on the laptop running ubuntu. ill be right back

starts running

im back

I am still running :=)

10:56 PM

hehehe

unfortunately, no luck

damn but you are on the right track :P
I saw a command in one of the links

i found this: ubuntuforums.org/showthread.php?t=611165

mount /dev/mapper/ubuntu--vg-root /mnt/whateveryoulike

that one is done after the vgscan

yeah, thats what i just did, too

just a sec, i run into another error there

it's 0:00 so bedtime for me ;-)
hope you get it fixed :D

11:01 PM

okay, but thank you so much already. much appreciated

user139252

I did it! :D

user139252

I now have a major in Mathematics and can teach Math as well as English once I'm done writing curriculum :P

11:44 PM

yay :D

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