Ask Ubuntu General Room - 2018-05-25

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Ubuntu Questions on U&L

1:03 AM

0

Q: get interface and mac on command line

if I run the following command in Ubuntu 18.04 I get this output: ip link | awk '{print $2}' lo: 00:00:00:00:00:00 wlp1s0: 2c:6e:85:bf:01:00 enp2s0: 14:18:77:a3:01:02 I want you to show it like that (without "lo") wlp1s0: 2c:6e:85:bf:01:00 enp2s0: 14:18:77:a3:01:02 How do I get it. Thanks

ubuntu command-line

2 hours later…

3:22 AM

hi

I'm writing a shell script to rename a bunch of files numerically

n=1
for file in * do
	mv $file "2 ($n).jpg"
	N=$((N+1))
done

but I keep getting the error unexpected token near `mv'

Ubuntu Questions on U&L

3:53 AM

0

Q: Python trace back: import aiml

Looking to run an AIML chatbot: thufir@dur:~/python-aiml-chatbot$ thufir@dur:~/python-aiml-chatbot$ pip install python-aiml Collecting python-aiml Downloading https://files.pythonhosted.org/packages/0a/4f/441770b04a0233f41c4168660b458ff6ab8587a6d304c934c6359eb223ef/python-aiml-0.9.1.zip (2.1M...

linux ubuntu python libraries pip

2 hours later…

5:38 AM

@Videonauth no, that’s exactly what I did! try:

#!/bin/bash
echo "a “t”est"

5:58 AM

@J.L.Louis I really recommend shellcheck.net, also available for the command line in package shellcheck. You did a number of things wrong there, most importantly you forgot the ; before do and mixed case with the variable n/N. I’d do it as follows:

n=1
for file in *; do
  echo mv "$file" "2 ($((n++)))".${file##*.}
done

or with (perl) rename:

rename -n 's/.+/our $i;sprintf("2 (%d).jpg", 1+$i++)/e' *

16

A: How to rename multiple files sequentially from command line?

The rename tool that ships with Ubuntu is pretty hot at this sort of stuff. You can embed little Perl expressions like so: rename -n 's/.+/our $i; sprintf("AS%d.txt", 1+$i++)/e' * That will just show you what it would do. Remove the -n to make it a live-fire exercise. This basically works b...

156

Q: Renaming files in a folder to sequential numbers

I want to rename the files in a directory to sequential numbers. Based on creation date of the files. For Example sadf.jpg to 0001.jpg, wrjr3.jpg to 0002.jpg and so on, the number of leading zeroes depending on the total amount of files (no need for extra zeroes if not needed).

bash rename batch-rename

So I ended up buying an NVMe disk.

3,200 MB/s sequential read is too hard to pass up :P

6:13 AM

@Videonauth ignore that, I read “double quotes” (yawn) – you’re right, works with single quotes

Ubuntu Questions on U&L

7:09 AM

0

Q: Package libapr1-dev is not available

I'm trying to install libapr1 and libaprutil1 and the issues I'm facing are as follows: Package libapr1-dev is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source Package libaprutil1-dev is ...

ubuntu package-management

3 hours later…

10:23 AM

three most prolific First Posts reviewers NANing everything

I am gonna make it my priority to review FPs, even though it's such a slog

@Zanna do you mean your past few reviews?

@Zanna askubuntu.com/review/first-posts/840955 bad advice even after editing ;)

@Videonauth no! I'm not a prolific First posts reviewer. I rarely review this queue

@Rinzwind yeah, I downvoted

but don't know what to comment

that's why I skipped the post in review

hoping someone would be able to explain the problem properly

@Videonauth I mean, three people are choosing No Action Needed for every post they review

@Zanna see comment >:)

NAN = No Action Needed

10:31 AM

@Zanna ah ok, well i rarely review lately

I'd expect mode changes on stuff in /sys not to survive reboot... those are not real files

im just having a few days i can spend time on the site really and i chosen to use it rather for answeering stuff instead of reviews

@Zanna true\

@Videonauth sure, this is not about you or anyone here. You aren't under any obligation to review whatsoever! If you want to spend time on the site, spend it how you like

I will for sure, you know me :D

10:32 AM

but it frustrates me that people choose to spend their time reviewing and then just do nothing haha

yes unerstandably, if you review FP que you should habe a keen eye for typos and being happy to edit posts, most FP are in severe need for edits

VTD'd it >:)

@Rinzwind heh probably justified

this dude smoked something

-1

Q: Till now is there the IDE for Ubuntu or just for JPEGsr tarball?

I have very long story but for just one thing now, I downloaded JPEG source files in tarball, which is probably most like typical sources in the early time of the Internet. Now is at Ubuntu 18.04 LTS with desktop or something like that on wayland and the desktop that is very sorry so unknown an...

programming development ide

I am just gonna review FP/LA myself as much as possible. I tried making a meta post about it, and I occasionally examine and flag the bad reviews. But I don't see any of those things making a big difference

10:35 AM

I read it 3 times now and ... I still don't get it

jpeg source???

can i have some of his smoke ... ?

I'm finding reviewing those queues a little less of slog than I used to (possibly I understand the site better, more likely I became lazier)

Maybe reviewing FPs and LAs should be a 40k privilege XD

@Rinzwind I read that earlier and decided it hadn't been written by a human

@Zanna ow, so you want to lock me out (sniff)

now as im close to 20k

lol no I'm just being silly

:)

60 reputation to go to enter the 20k club

10:38 AM

@Videonauth is that asking for downvotes?

@Rinzwind kinda :) well for sure not asking anyone for votes, votes are for good posts and nothing else

:) 20k is great

i will get there today or tomorrow anyways

Ubuntu Questions on U&L

0

Q: Is Ubuntu participating as a mentoring organisation in google code in 2018?

Last year(2017), Ubuntu participated as a mentoring organization in Google Code-in 2017. Will Ubuntu participate this year too? Asking because I reviewed old stats from archives and saw Ubuntu participated for the first time. CHEERS!!!

Oh wait, that isn't the question I read earlier that I thought had been written by a bot...

10:40 AM

so now we got 2 bots? @Zanna :D

it was this other one by the same user

> but now going where is unknown and maybe it is changing the looking like

and ->

0

A: Changing default email client (kmail --> thunderbird) (Kde 5.12.5 / 18.04)

If I say I don't know, you may be angry, and if anybody else who make the answer that still left you in the situation is tried, you at last try my way like the other way around that is migrated from the win, which simply changes the name of thunderbolt to the kmail, in case, be very careful, maki...

so I flagged him 4 times now >:)

@Zanna reminds me of attempting to read Ulysses

I never got past page 20

> The situation is it whole can be used, all of it get probably things done, at this scene whether or not I need to regulate it to the highly level that makes everything better than good? or good other than just run?

someone upvoted that one though!

This whole user smells like spammy useless posts ....

11:26 AM

forum.xda-developers.com/honor-10/how-to/…

go here and ask why Huawei blocked bootloader unlocking

stupid Huawei

mhm

I'm pretty sure Honor didn't even know this was happening

1 hour later…

12:30 PM

@TheWanderer because the server they do that on crashed. afaik it should be temporary.

@Rinzwind nope

user image

well I dont own a huawei >:)

Ubuntu Questions on U&L

1:29 PM

0

Q: How can I extend /dev/sda1 with the full amount of second disk /dev/sdb

I am using Proxmox KVM to setup a cloned image. I would like a script to use which will extend /dev/sda1 with the full capacity of empty disk /dev/sdb fdisk -l Disk /dev/loop0: 86.6 MiB, 90759168 bytes, 177264 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 byte...

ubuntu partition

2 hours later…

3:15 PM

great, not sure what happened but i was logged out from chat for almost an hour

3:27 PM

@Videonauth lol, to write this after “2 hours later…” – guess you didn’t really miss anything. ;)

@dessert well it was about two hours of trying to find the cause lol

needed to at least vent this whole tension a bit

and this wasnt the only chat i was logged out from

@Videonauth maybe they made changes to their privacy policy ;P

@dessert aahhhhhhhh, come on leave me alone with this, my email boxes are full of mails, and every page i try to log into bothers me with this, I will be happy if this whole ordeal is over with and everyone has adapted to it

The GDPR jokes are abounding today. NY Times and Chicago tribune are both just denying EU country access.

I'm waiting for someone denied service to just remove the risk to sue for discrimination based on being EU based and US VPN services to become a thing.

@RobotHumans weird i can access nytimes homepage easily

3:41 PM

May have changed, but it crossed my feed earlier. I may have misread it LA times.

marketwatch.com/story/…

When I hear "times" my brain automatically goes with NY, my mistake.

well lol

4:03 PM

Yeah. The same companies undergoing blackout could just spin up VPN services and say "We're not getting in to the rat's nest of what could be construed as what. So, if you want to use our site, get a VPN connection. It'll let you use the site if you want, and it gives us plausible deniability."

@RobotHumans free overload keys: pcgamesn.com/overload/free-games-overload

oh hey you're here. Might be in time then :D

oh just realized they're only beta keys..

shoot

If they're doing the same thing as the Ghost in the shell game, it's not really a beta. It's in game asset sales and calling it a beta was to get people to submit their email.

@RobotHumans It's a key to the multiplayer beta.

Will totally work until the 31st when release date is. Then idk what happens

I thought it was an early access key, which would make the game essentially free, but I guess not.

Ah. No idea. I'm really more of a single-player guy. My ISP throttles multiplayer games really hard, so I generally don't play multi.

@RobotHumans ouch. That's not cool.

it's client/server however so I'm not sure how they'd tell

4:16 PM

frequency of packets to a single ip on a given port. Like, I can stream 3 videos at the same time, but MW3 lags out on a box that runs Dying Light just fine.

dang.. that's not cool :(

There is a singleplayer trailer with ~2 or 3 levels you can try if you want.

In other news I caved and installed 18.04 on my desktop. It's awful!

I really wanted to believe it wasn't that bad.. but it's really bad.

Yep. I'm at EOL and I leapfrog. So, I was hoping I didn't have to install 16.04. Sadly, I do from general reports. I wonder if the general bad is still true in other DEs? Like if I do the full burndown and start with LXQT, will all the bad still be there sort of thing?

@RobotHumans 16.04? 16.04 is still fine. It'll have Unity until it goes EoL.

I'm on 14.04 XFCE now, but I was trying to wait until LXQT went main for LXDE

I'm not sure about the general bad though. I doubt it effects other DEs but I don't really know. Trying to decide what to do now. KDE, xfce..something else

@RobotHumans ah. That hasn't happened yet?

4:24 PM

@Seth not that I'm aware of. It's installable easily, but last I checked it was install base add LXQT or install LXDE add repo install.

oh and happy GDPR day everyone. ha. ha. ha

@RobotHumans ah. Pity. I'm surprised it isn't mainline yet.

I should probs check, last I checked was 17.10

@Seth yep

Hmm, looks like that did land in 18.04. Well that's one good thing.

oh that's nice

Ubuntu Questions on U&L

4:46 PM

0

Q: problem with interface with ip static in ubuntu 18.04

On ubuntu 16.04, I had the interfaces file with the following information: sudo nano /etc/network/interfaces # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback # Public Interface (Static IP) auto enp2s0 iface enp2s0 inet static address 192.168.88.13 gateway...

ubuntu network-interface

4:57 PM

Shouldn't need a gateway for the LAN, but that's what it looks like the problem is to me. Not confident enough that's the problem to post it as an answer though.

Ubuntu Questions on U&L

5:23 PM

0

Q: Beaglebone issue : Cannot access 192.168.7.2

My main computer is running Ubuntu 18.04, I just bought my BBG for about 1 week. More information about my BBG : root@beaglebone:~# uname -a Linux beaglebone 3.8.13-bone71.1 #162 SMP Fri Oct 16 07:27:34 CST 2015 armv7l GNU/Linux It worked well until yesterday, I don't know why I cannot acces...

linux debian ubuntu beagleboneblack

5:57 PM

Friday, slow day: everyone is at the local pub...

:)

you hate skype do you?

Huh?

Checking... I use it to call my mum and dad.

hahaha, well good to know

Well, if you leave me a message while I'm in a boring meeting and I'm using the same phone to call into that meeting it'll take me a few days to read the message.

ah ok :))

6:05 PM

only six votes left to the command-line gold badge :>

this calls for down-votes :D

@dessert I have a silver badge called "generalist"

too bad there is no gold badge in that!

6:18 PM

If someone has delete votes left: this user is copy-pasting the same answer all over the site

@Fabby sadly im still 60 reputation away from that privilege

:)

@Videonauth 40

(star would be nice though)

:)

7:07 PM

What a dumb question: Is there a shorthand character class for [A-Za-z]? [^\d\s] seems over-complicated…

@dessert link?

the question is mine and I didn’t post it on main xD

@dessert How many drinks have you had so far today???

>:-) >:-) >:-)

I just feel it’s a really dumb question, but I can’t find anything – \w isn’t what I thought it would be: [A-Za-z0-9_]

@Fabby none actually, maybe that’s the problem

@dessert :D :D :D

I've had too many and don't know enough about RegEx...

7:13 PM

PITINBBKAC – problem is, there is no bottle between keyboard and chair

@dessert So now you want service too? give me your teleporter ID and I'll teleport over and serve you a Whiskey & Pepsi Max.

@dessert what flavour regex? I don't know one... you can use [:alpha:] but... it's not shorter XD

@Zanna er… aren’t these shorthand classes quite universal? perl made some extensions as it seems, but the basics…

7:34 PM

@dessert regular-expressions.info/tutorial.html

[Ctrl][F]Different Regular Expression Engines[Enter]

@Fabby that’s exactly where I came from: “The tutorial alerts you when these flavors require different syntax or show different behavior.” and regular-expressions.info/shorthand.html does no such thing (except the perl extensions)

and others :P

What I don't like about [:alpha:] (and its siblings) is that I never know whether special characters are included as well (like German umlauts, for instance).

hmm... are those ASCII?

no, they aren't. but there's also [:ascii:] (at least in Perl).

asciitable.com

Ü and ü are part of the extended ascii table

7:42 PM

My lastname contains those. :-(

so i guess its Müller

or Küster

@PerlDuck not in sed, but we can specify unicode escape ranges in the C locale to workaround it

the two most common last names conaining ü

@Videonauth :D :D :D

Eliah Kagan showed me this command to find the unicode number of a character

perl -wpe 's/./sprintf " %d", ord $&/ge'

it reads from stdin

very useful

7:44 PM

LOL, no. My last name isn't particularly common. I always have to spell it.

@Fabby :D :D :D

PerlDück.

@Videonauth Which is #3?

@PerlDuck :D :D :D

no those aren't unicode numbers...

@Fabby no clue right now, the most common names in germany are derivated from jobs people had at medieval times

maier, müller, schmitt

7:47 PM

Smith

a mainer was someone who raised cattle and provided milk to the people, müller is a miller, and yes smith is schmitt

even my last name was a medieval job someone had to do

as fabby knows my last name hes the one to guess what the job was

They already had youtube 500yrs ago? Cool. Didn't know.

TIL

@Videonauth Not going to try here as people might guess who you are eventually and then refuse to ever speak to you again!

:D ;-) :D

hahaha

7:54 PM

@Zanna Had to google that!

but a good one, even tho not very common name

@Videonauth Well, my first name + Last name is unique world-wide.

Even in the 100000+ company I work in, only 7 people have my first name

and none have my surname last time I looked (6 months ago)

So then your first name is not Fabian like I could have guessed

@PerlDuck Although I live in Germany, I'm not German...

@PerlDuck nope far from the real fabby-man name

8:00 PM

(that's why my profile says "Citizen of this Galaxy": it's complicated...

Yeah... but only half from there. Mum is but dad isn't.

And if anyone has any delete votes left, there is a star on top of the list that needs attending to...

0:-) 0:-) 0:-)

sorry. no offense

Battery low, fetching charger...

@PerlDuck Kein Problem!!!

:-D

@fabby is the hdajackretask wrong or does it just annoy you?

I used to speak German pretty well 31 years ago, but it's coming back except the Datif...

@PerlDuck 4* copy-paste of the same answer...

Flag the question as duplicate is more appropriate.

recently we had this "ods → docx" question. similar thing.

8:07 PM

@PerlDuck What was the consensus?

dunno. some moron double-posted the very same question whithin 10 minutes and didn't respond to questions in comments. eventually one was suggested as dupe of the other.

yes but here we have answers to toally unrelated questions which are exact duplicates

i just try not to ping our mods to often :)

Oh la la

its happening

ok what needed delete votes?

:D

ok the ones which where downvoted got a delete vote from me

Hey, @Videonauth congrats!

/shrugs

Thank you

Don't forget: when you run sudo the first time it says "With great power comes great responsibility."

8:18 PM

@PerlDuck :) I know

I just stumbled upon this question and am wondering why it got 3 upvotes. It isn't particularly bad but how could three people consider it "showing research effort, being clear and useful"?

Any ideas?

And please don't downvote it now just because I mentioned it. It's just an example.

@PerlDuck no my upvote is locked in anyways, i always upvote qa question i write an answer to

means it was clear enough for me to provide an answer

the other two, dont know

only exception are questions which are clearly a duplicate where i write an answer out of boredom, those wont get an upvote

Perhaps I focus too much on the "shows research" part. I often see questions and ask myself "why the hell didn't you google in the first place?!"

@Videonauth I only upvote if they accept my answer...

>:-) >:-) >:-)

Only then does it mean it was a good question!

hehe

8:30 PM

(Mostly after I've had to edit it a few times)

another idiot who doesn't get a very clear hint!

@Zanna ----^95% sure it's a male...

(they just don't get hints, not even very clear ones)

no gender has a monopoly on obliviousness :)

Ubuntu Questions on U&L

0

Q: Ubuntu 16.04 ssh key not working after VM clone

So I have made a KVM template of Ubuntu 16.04 on Proxmox and I add the key before converting it to a template ssh-copy-id -i /home/host/ssh/LinuxVM/id_rsa root@51.38.xxx.xxx At this point I can authenticate fine. I then turn off the VM and convert it to a template. After cloning I am unable to...

ubuntu ssh proxmox

@Fabby do you think its a testicular problem or maybe to much testosteron? :D

@Videonauth As an a-sexual alien my subjective opinion is that they're just thinking with the wrong head! (cc @Zanna )

>:-) >:-) >:-)

:)

8:41 PM

if you need an explanation though, my theory is that men are literally raised to be helpless and not listen, because nobody expects them to be able to clean up after themselves or organise stuff for themselves or teaches them how to do it. Meanwhile we complain that men don't listen and little boys believe us so don't learn to listen either. We also tolerate their bad behaviour saying "boys are like this" and so they become like that. So, the mothers of the world (and the fathers) are at fault

@Zanna my sons listen.

One should strive to surpass the education one was given...

;)

@dessert They still listen... Wait a couple of years...

yes, I am a teacher and I know lots of boys who listen

listening is probably educated out of them

8:45 PM

@Zanna LOL! I'm currently binge-watching "The Middle" which totally confirms what you say. I love it, though.

:)

:D Creativity and intuitive thinking is educated out of most children...

agree 100%

the education system is a terrible terrible thing

yes same with the scientific methotology

every baby knows it and uses it but still when people reach the age to go to university, they have to relearn it

I even know some lovely teenage boys who are great listeners

and I know a few grown men who are good listeners too

so it's just a myth

a destructive myth

like the one that girls can't do math

shrug

past bed time!

8:49 PM

If I would have received 1€ for every time I had to explain to yet another Manager: "I'm an intuitive thinker and 85% of the time I'm spot on, 10% of the time I'm mostly right and 5% of the time I'm completely wrong, and this feels completely wrong!" I would have retired rich and beautiful a long time ago...

@Zanna :O That's just plain wrong!

Sleep tight, bed bugs, etc...

better not be any bugs

Every baby knows the scientific method

3

@Zanna Good Night, Sleep tight don't let the bed bugs bite!

like i said every baby knows the scientific method

I'll kill the little suckers

8:51 PM

@Videonauth :LOL: Starred!!!

No need starring Zanna's reply: everyone looking at Videonauth's pic will see that one!

:D :D :D

not the babies, the bugs...

(For the record: she's not talking about babies but about bugs)

0:-) 0:-) 0:-)

:D

baby bugs, fair game

:-) ;-) :-)

Shoo! Go have your beauty sleep!

All is well that ends well... Good night everyone!

9:01 PM

no danger of beauty, but not feeling like crap tomorrow would be a plus

Sleep well, @Fabby

@Zanna Shoo! Go have your Don't-look-like-absolute-shite-tomorrow-sleep!

:D ;-) :D

sleep well Fabby and Zanna

9:31 PM

Does anybody having gnome want to write an answer here covering dconf-editor? Looks like easy rep to me…

Ubuntu Questions on U&L

0

Q: Linux - Hades Canyon Intel Nuc 8th Generation

I have recently acquired a Hades Canyon (Intel Nuc8i7hvk) and I'm trying to put Linux on it. I have tried Ubuntu 18.04/Debian 9.4. On the Ubuntu 18.04 version I make it to the Grub option page, and then I see a black screen hanging on the system. On Debian 9.4 I make it to the Grub option page ...

linux debian ubuntu boot

10:12 PM

VTC Off-Topic: BIOS

@Fabby That seems fine to me.

No different then telling people how to go into the BIOS to tell it to boot USB

or maybe I'm missing something

10:29 PM

@Fabby OP self-answered quite well!

I should have added a ? to my (now) statement...

Good night all, time to go to sleep...

11:21 PM

I tried to upgrade to 18.04 and now my install is completely borked. I can't load my GUI. Does anyone have any ideas for this

11:50 PM

@Startec phew whats your timezone?

this could become a longer operation

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