Ask Ubuntu General Room

Byte Commander

4:00 PM

Not sure.

xiaodongjie

@cl-netbox yes, right. I think that @Sneetsher already worked hard for this question and will try more.

Byte Commander

May I ask for help on deciding whom to award my bounty here? askubuntu.com/q/681176/367990

Thomas W.

@ByteCommander It depends

Byte Commander

The short and easy answer (which has already +7 and accepted), or the long and detailed answer (+1 yet only)?

Thomas W.

@ByteCommander Which answer do you think is the best and deserves the +50?

hg8

4:02 PM

@ByteCommander Put a second bounty.

Thomas W.

if you can't answer that then either award it to the accepted answer, or just don't award it

Byte Commander

I think the short one is easier and will be used more often therefore, but the second one is more worth an additional reward.

Thomas W.

he has to award the first one first :)

@ByteCommander then give it to the second one if you think it should have the reward

the answer DOES have an accepted answer though

xiaodongjie

@ByteCommander you can ask @Seth or @fossfreedom ?

kos

@ByteCommander Again, I'm not sure exactly how that's handled internally; in /dev/pts as I understand you have the current pseudo-terminals. My point was just about the terminology, in that case file descriptor is just more correct, as you're referring to a character device, that's it. See this, I'm having a read at that as well.

fossfreedom

4:03 PM

short and sweet wins for me

Seth

^^

fossfreedom

and in other news - Adobe kills Flash ...

well the name anyway!

Byte Commander

Well, okay. The short one was first and it was written by a new user who had 1 rep without all the points from this answer. I think I would make him happier than Sneetsher, who's already on 16k and just offered me a bounty of 100 somewhere else.

kos

@ByteCommander TBH I think padlyuck's answer is better there

Byte Commander

I'll give it to the short answer.

Serg

4:06 PM

Who knows about dash ? as in Debian Amquist Shell

xiaodongjie

@ByteCommander I agree, but you can make additional bounty for @Sneetsher.

Byte Commander

And also awarded my bounty on the NumLock question to @cl-netbox now!

My other AppArmor bounty silently died yesterday without having attracted any answers... :-/

cl-netbox

@ByteCommander Hey thank you very much my friend ! :)

xiaodongjie

@cl-netbox congratulations!

cl-netbox

@xiaodongjie Thank you very much ! :)

xiaodongjie

4:09 PM

you're welcome.

Serg

The null device is also a favorite subject of technical jokes,[4] such as warning users that the system's /dev/null is already 98% full. The April Fool's, 1995 issue of the German magazine c't reported on an enhanced /dev/null chip that would efficiently dispose of the incoming data by converting it to a flicker on an internal glowing LED.

Lol, MWF I don't have a linux buddy to prank T_T

Byte Commander

Oh, actually my bounty on the AppArmor question is still in the grace period! Anyone able to answer that quickly? askubuntu.com/q/699539/367990

kos

@Serg I suggest using sudo chsh -s /usr/sbin/nologin user with that message :D

Serg

@kos oh, that is evil XD Which is why it would be awesome !

xiaodongjie

@ByteCommander sorry, I don't know about it so much. And I gave you a voteup.

I like that question.

Byte Commander

4:17 PM

Thanks.

kos

@Serg Yeah, maybe that's a bit too much. An alias then maybe

user136984

@fossfreedom Is there an article about this that I can show people?

Serg

@kos lol, just a tiny bit too much . . . Oh, speaking of aliases, i think there was one prank where a guy aliased his colleagues cd to cd $HOME or something, so no matter where the poor colleague tried to navigate, they'd still stay in $HOME :D

fossfreedom

@ParanoidPanda groups.google.com/a/chromium.org/forum/#!topic/chromium-dev/…

user136984

Ah...

user136984

4:31 PM

Is there any way of dragging items to rearrange them in the Activities Overview by the way in Ubuntu GNOME? I mean, can you hold down a button and then drag them around or is that not yet a feature?

cl-netbox

Hello @Ravan ! :)

kos

@Serg I saw an hilarious list of aliases in some answer on SO, let me see if I can find it again!

Serg

4th answer posted out of 5 - 10

xiaodongjie

@Sneetsher morning.

Sneetsher

:) hi

Too many pings to me, what's going on?

Serg

4:38 PM

@Sneetsher here's one more ping for you :)

xiaodongjie

@Sneetsher some updates about apt?

Serg

Also, I've posted an answer on the dialog question, check it out plz

Sneetsher

@xiaodongjie , not yet but i will update for file error handling & still waiting for @A.B. comment about point 9

Byte Commander

@Sneetsher Oh, hi! And thanks for the bounty! :-)

kos

@Serg Here, it was on U&L: unix.stackexchange.com/a/29549/114435

cl-netbox

4:44 PM

@Sneetsher Hi ... I started the pinging : chat.stackexchange.com/transcript/message/25817630#25817630 :)

Sneetsher

@Serg , yes I like that answer as i think it may be the only canonical one, using same tool with its own options. :/ However the bounty was for something else. I was lucking the knowledge to explain those redirection operations, 1 & 1/2 year ago

Serg

@kos lol, every editor is set to ed XD

Sneetsher

@ByteCommander , you are welcome, i just learned about those additional streams

Ubuntu Questions on U&L

0

Q: Want to print NULL if value is not present as awk output

I am trying to print a tshark command output using awk below is my command: tshark -r "test.pcap" -odiameter.tcp.ports:"1234" -R 'diameter.cmd.code == 272 and diameter.flags.request==0 and !tcp.analysis.retransmission and diameter.flags.T == 0' -Tpdml -Tfields -ediameter.Session-Id -ediameter.CC...

kos

@Serg Lol, all of them do or pretend to do the opposite of what one is expecting

My favourite is probably alias kill='echo all dead'

Byte Commander

4:46 PM

@Sneetsher Oh, me too! I did not know about them until I read the link you had in your answer as well. ;-)

kos

They're file descriptors! :D

Byte Commander

@kos Internally yes, but why should we complicate our lives by treating them as file descriptors if we just can label them "streams" to understand their concept better?

Serg

@ByteCommander because that's the deeper level of understanding . . .also because YOLO

5th answer posted

kos

@ByteCommander It was a joke. :D Anyway that's how Bash calls them ;)

Serg

goal for today is met

Ravan

4:49 PM

@cl-netbox o/

just got your chat ping :)

Sneetsher

@cl-netbox , so you are the one who trigger the patriot launcher. but I'm not from ISIS :)

@A.B. good morning.

o/ folks

@Sneetsher o/

@A.B. \0

4:51 PM

@A.B. o/

Ravan

@A.B. o/

A.B.

:)

Ravan

@kos VTC [askubuntu.com/questions/704672/completely-remove-wine

??

cl-netbox

@Ravan remove your comment - mine was meant to be joke !!! =)

Ravan

@cl-netbox hehe, already done :)

cl-netbox

4:53 PM

@A.B. Welcome back my friend ... to the show that never ends ! =)

kos

@Ravan VedTC

Lol, OP is insisting on running sudo get-apt

cl-netbox

@Sneetsher yes : the trigger to getting you awarded the bounty ! =)

Ravan

@kos :D

Serg

6th answer of the day

Sneetsher

@cl-netbox , :) thank you

user136984

4:59 PM

How do you actually use the GNOME Builder IDE? I installed but now when I launch it and select a project it just closes...

Sneetsher

@Ravan , midnight?

cl-netbox

@Serg yesterday 3 as well ! =)

Byte Commander

Only 2 today from me!? O.O

Serg

@cl-netbox already good , a day not spend in vain

@ByteCommander I'm sure there's a couple more you can answer

Byte Commander

Nah, I'm not going to dig for them now... Maybe I'll review a bit and check the mod tools out again.

@Serg I just got your answer as review test: askubuntu.com/review/first-posts/496618

Serg

5:08 PM

@ByteCommander well, maybe post a complimentary answer than will add more info to some of my answers :)

Byte Commander

I immediately recognized that it was from you because of the xieerqi username! :D

Serg

Haha, this one was kind of long ago

Find as so many args, that I was writing this beautiful answer . . . and then muru comes out and says "You know there is -ls flag right ? " I was like "ah, demmit, find authors, why did you have to steal my thunder ?" XD

A.B.

@xiaodongjie offer the bounty

xiaodongjie

@A.B. yes.

A.B.

@xiaodongjie Thanks =)

xiaodongjie

5:17 PM

@A.B. yes, could not now. It shows me "You may award bounty in 22 hours."

in 22 hours, I'll do it.

Thank you, @A.B. @Serg

Serg

@xiaodongjie I was happy to compete with you :)

xiaodongjie

@Serg i'm too.

A.B.

@kos wow =) askubuntu.com/a/704317/367165

kos

@A.B. It's sad to see upvotes and no rep. :'(

xiaodongjie

@kos that answer seems to be good.

kos

5:33 PM

@xiaodongjie A more interesting question IMO is why a SIGINT sent from the terminal gets through.

Byte Commander

Should the LQ review queue pick out spam answers as tests? askubuntu.com/review/low-quality-posts/496635

I think this is not great, as spam is not meant to get into the LQ queue at all, I thought.

xiaodongjie

@kos yes.

i think so.

108

Q: How to make child process die after parent exits?

Suppose I have a process which spawns exactly one child process. Now when the parent process exits for whatever reason (normally or abnormally, by kill, ^C, assert failure or anything else) I want the child process to die. How to do that correctly? Some similar question on stackoverflow: (as...

c linux unix process fork

@kos please read an answer from Jonathan Leffler .

I think that it's related to POSIX.

kos

@Serg Hmmm I doubt Dash will support that since it's meant to be a very basic (and POSIX) shell, however +1 on your question

Serg

@kos

askubuntu.com/review/suggested-edits/496638

:/ suggested edit wants to remove ksh and bash tags . . .

kos

@Serg Lol

@Serg Seems straight to me, after all you're asking about dash

Serg

5:43 PM

@kos yeah, but it's loosely related

to bash

and ksh

because it's pretty much the same behavior

Ubuntu Questions on U&L

0

Q: Why can't I create a long video with openshot?

I am trying to render a video which I edited and saved with kdenlive, because kdenlive does not do a good job at rendering my video (which consists of music and static images). I am able to open the kdenlive-project in openshot 1.4.3 (Ubuntu 14.04) and to start rendering, which works, but stops...

linux ubuntu video-editing

Byte Commander

This is a place to answer questions and solve problems, not to rant. Get yourself a big pot, lift the lid and shout your anger into it. Then close it again and feel released. other than that, wine is great for a big set of Windows applications, which would otherwise have no chance to be run on an Ubuntu machine. — Byte Commander 13 secs ago

kos

@xiaodongjie Hmmm the shell SIGHUPs the process if is not run with sudo, because in that case the process is owned by the same user owning the shell (hence the SIGHUP sent to the foreground / background works). What I meant is that while the shell can't SIGHUP the process in the foreground if it's owned by root (as in the question), it can still SIGINT it (try running sudo -H gedit and then hitting CTRL+C).

Serg

@ByteCommander should be flagged as not an answer

Byte Commander

@Serg It already was in the LQ queue and I voted to delete after placing this comment.

kos

5:49 PM

@ByteCommander -1 and flagged

Ah, ok.

Serg

yes yes and yes

Ask Ubuntu Meta

0

Q: Spam answer as Low-Quality-review test?

I just had to review this test in the LQ queue, which was a spam answer. However, my thought was that spam should never had appeared in the LQ queue and therefore I was a bit confused about this. I recommended to delete and passed the test, of course, but I thought that maybe this could be an un...

bug review review-queue-test

kos

VTC please -> askubuntu.com/questions/704632/…

Terrance

@kos Voted! =)

xiaodongjie

@kos still -1 with my upvote. :(

kos

6:05 PM

@Terrance Thanks, it's keep floating up from time to time from a while.

xiaodongjie

@kos what is VTC ? heh

Terrance

@xiaodongjie Vote To Close

kos

@xiaodongjie I meant "vote to close", not upvote. Did you upvoted it?

xiaodongjie

@kos yes, sorry. Let me do it now.

-3 is VTC right?

cl-netbox

@xiaodongjie you should do it when you are convinced that it has to be closed ! ... not as a favor for friends !

Terrance

6:08 PM

@xiaodongjie below the question there is Share, Edit, Close, Flag options. If you click on the Close it will put in your Vote To Close.

xiaodongjie

@cl-netbox yes, And I just find downvotes for the question, and no upvotes for answers.

cl-netbox

@xiaodongjie close (the word)

RPi Awesomeness

@NathanOsman @Mateo Did either of you get your Hacktober shirt yet?

xiaodongjie

@cl-netbox yes, And i could not close it with my account. heh.

kos

@xiaodongjie No, you can't vote to close it yet, you need 3000 reputation. I posted the link in case someone agreed with me with closing it, but you can't vote to close yet.

xiaodongjie

6:10 PM

@kos yes, right.

Terrance

Downvotes cost rep points. VTCs do not.

kos

^^ Unless it's a question, in that case the downvotes are "free"

Terrance

@kos Good point. =)

kos

I don't downvote much, but I'm trying to change. :D Some questions I'm sorry just deserve it. That one had a neon sign with the solution written on it in the output of the wrong command.

Terrance

Agreed!

Nathan Osman

6:24 PM

@RPiAwesomeness Not yet.

user139252

Two low quality answers confusing Google Chrome and Chromium from the same user...

Serg

why the fsck DDR2 200 pin RAM is so expensive ?

Terrance

@Serg because it is not manufactured much anymore.

Takkat

@Serg antiques usually are.

Serg

6:41 PM

T_T my laptop is antique ? Cannot be !

Byte Commander

Oh, I could use some "ancient" RAM bricks as well... Some of my good old medieval computers here would really profit from one or two GB more memory.

Takkat

2

Ancient but warm

Byte Commander

O.O

Close dupe: askubuntu.com/q/704707/367990

Nathan Osman

Let's see if this patch works...

cl-netbox

7:11 PM

bye ... see you :)

kos

Bye @cl-netbox o/

@NathanOsman Did you see this? askubuntu.com/review/suggested-edits/496647

Nathan Osman

Fixed.

If that comes up again, the URL has changed from bit.ly/software-small to hostmar.co/software-small

kos

Ok, I didn't check the URL. I would have fixed it myself, but I couldn't swear on what the original image was meant to be.

Nathan Osman

7:32 PM

Eureka!

I finally fixed this: bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/…

> "This bug affects you and 106 other people"

Hang in there, 106 people - help is on the way.

Serg

@NathanOsman Yer awesum !

Nathan Osman

I just need to tidy up and upload the packages.

I've got it working on Vivid though.

Ubuntu Questions on U&L

7:56 PM

0

Q: have very recent packages in CentOS

Normally versions of packages available in CenOS and Ubunti repositories differ, Ubuntu tends to have the latest-greatest versions, while CentOS is more conservative. Is it possible to add some repos in CentOS with more recent versions then in the CentOS official repos?

linux ubuntu centos package-management yum

Nathan Osman

8:09 PM

TA-DA!

Seth

@NathanOsman yay!

Nathan Osman

\o/

Seth

did you submit that patch for inclusion in Ubuntu?

Nathan Osman

Not yet, but I mentioned it on the bug report.

I want to try getting this into Trusty as well.

user139252

I hope that it gets included.

user139252

8:17 PM

I just tried my own volume buttons, and I felt assaulted by the jump.

Nathan Osman

Thanks, I hope so too :P

I can't take credit for the actual fix - only for finding a way to apply it and actually doing it.

Ubuntu Questions on U&L

8:37 PM

0

Q: How can I trigger scripts on a virtual machine when I insert a CD or DVD in the host?

I have a PC running XerServer 6.2.0 It hosts, among others, an Ubuntu VM that I configured to rip and copy my CD/DVD collection to the NAS hosting my media collection. What I would like it to do on disk insert is: Forward the drive and disk to the correct VM Execute the correct script for aud...

ubuntu xen ripping

Nathan Osman

9:07 PM

There, packages for Trusty have been uploaded.

user136984

Does anybody know what the Java method is called that allows you to detect collisions at individual sides and not just intersection?

A.B.

@NathanOsman TA-DA upgoated :)

@ParanoidPanda the collision of two threads? >:)

user136984

@A.B.: Collision detection of objects.

user136984

I am making the game breakout.

Mateo

@RPiAwesomeness nope

Nathan Osman

9:31 PM

@A.B. :)

Seth

@A.B. So I changed the exec line in my .desktop file to Firefox and then it showed up :S

A.B.

@Seth o_O

@Seth the starter isn't showed up, if the Exec part can not be started. Have you tried the full path? Very strange.

Seth

9:47 PM

yeah, I tried the full path :/

A.B.

Is the thing a script?

Seth

yes, yes it is.

➜  ~  head -n 1 $(which packettracer)
zsh: correct 'packettracer' to '.packettracer' [nyae]? n
#!/bin/bash

A.B.

Could you post the script at pastebin?

But, that makes no sense :\

user136984

Would one really consider this an answer? It just tells me a list of packages it might be good for me to investigate...

Terrance

@ParanoidPanda xdotool can be used for sending to multiple

Seth

9:56 PM

@A.B. ahhh, here's the problem methinks:

#!/bin/bash

echo Starting Packet Tracer 6.2

PTDIR=/opt/pt
export LD_LIBRARY_PATH=$PTDIR/lib
pushd $PTDIR/bin > /dev/null
./PacketTracer6 "$@" > /dev/null 2>&1
popd > /dev/null

Let me try setting exec to /opt/pt/bin/PacketTracer6.

yup, that works --^

A.B.

@Seth sudo apt-get install libgtk3-bin; strace gtk-launch your.desktop

Seth

Thanks @A.B.!

A.B.

Thanks? :)

Seth

45 secs ago, by Seth

yup, that works --^

A.B.

:)

Terrance

10:30 PM

@ParanoidPanda Answered for you

Mateo

@RPiAwesomeness three weeks from the 9th I expect to see it sometime this week I suppose.

user136984

@Terrance: Thanks (I was eating dinner so didn't see it before)! :)

Terrance

@ParanoidPanda No biggie. I just wrote that answer just a few minutes ago, but it is an application that I have used at my job. =)

user136984

Looks good! :)

Terrance

The screenshot I found online because my host isn't letting me take snapshots for some reason.

user136984

10:41 PM

I got this error just now when running sudo freshclam:

user136984

WARNING: Your ClamAV installation is OUTDATED!
WARNING: Local version: 0.98.7 Recommended version: 0.99
DON'T PANIC! Read clamav.net/support/faq

user136984

Do I just wait until it is updated in the repository?

user136984

Ooh! I'm on 9.8k now! Nearly 10k! :D

user136984

Right, well anyway... Goodnight! :)

Terrance

@ParanoidPanda You can wait, or download the newest version from clamav.net

Ask Ubuntu Meta

11:05 PM

0

Q: Please only vote on the original answer if a dupe- answer only links to the original

It is completely understandable that inexperienced users are not completely aware of how to handle dupes. It is also understandable that a friendly-meaning person posts an answer, (only) linking to another answer, assuming he or she is helpful. Nothing to add, nothing to elaborate, just a link. ...

discussion

Serg

@Terrance what's your desktop environment that is shown in the screenshot on your answer ?askubuntu.com/a/704780/295286

openbox ?

Terrance

@Serg That is just a screenshot I found. That looks like GNOME in that one.

Serg

ah, ok

Terrance

@Serg But, that is exactly what I see when I run the application at work when working on multiple servers at the same time. It's a pretty good app. =)

@Serg And, I am not allowed to show my desktop with any information from my job when open to servers.

Serg

My idea probably would be to have a script , rsync it to all multiple machines, and just run each individually. Same script , different machines

gosh i am so sleepy here, i need a good question to keep me awake . . .

Terrance

11:22 PM

I don't know of any right now. I would have to look.

RPi Awesomeness

@Mateo That's what I was thinking

Zacharee1

11:51 PM

Before you say anything, @Seth , sorry if one of my NAA flags was wrong. :P

Seth

@Zacharee1 I likely wouldn't have said anything anyway :p

Zacharee1

@Seth you tend to point them out ō_ô

Seth

I do?

I remember pointing out a few you didn't flag after you mentioned them here, but that's it..

Mateo

so here is the documentation on the touch screen I'm trying to get working: ftp.shtrih-m.ru/download/POSSystem/POS485-C48/Driver/Touch/… yikes...

Zacharee1

I think I can remember at least two times you pointed out an NAA flag of mine that was wrong

Maybe not

¯\_(ツ)_/¯

Seth

11:57 PM

@Zacharee1 huh. Well that seems uncharacteristic. If you bring it up here and ask for it to be flagged a certain way I will correct you if it's wrong, but otherwise I tend to let the system tell you when you've gotten declined flags. Sorry if it's happened differently and I forgot :/

Zacharee1

Well, it does encourage me to read the answer and see if there's anything more than a story of how that person messed up.

My phone has a feature where you can wave over the proximity sensor to wake it up when it's on a stable surface. It's very futuristic to wave at my phone to turn it on, but it can get annoying when a strand of hair floating in the air turns it on

Serg

Guys, need script ideas . . . .i;m bored

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