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Questions tagged [development]

Development refers to the development of the Ubuntu source code through the implementation of new features and the fixing of bugs.

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/dev/sda2 4TB hardware isn't writeable

My work environment is Ubuntu 20.04.6 LTS. My path to /media/yueli/Data directory is a 4TB hardware mounted at /dev/sda2. It isn't writable. Data: 4TB:
li yue's user avatar
  • 1
0 votes
0 answers
45 views

Why my programs installed using snap not use librery that I have include on packages?

Sorry for my english. I created an application. I would like to package it in snap format. I do it. Unfortunately, when I start the application (after I installed it on a PC with newly installed ...
Enrico Tarro Boiro's user avatar
0 votes
1 answer
58 views

Improvements suggestions [closed]

If I would like to email Ubuntu for improvement suggestions of the entire operating system. Who do I email? Or where can I find the real support site for Ubuntu like. Support ticket.intel.com similar ...
tap17's user avatar
  • 1
-2 votes
4 answers
4k views

getting error while creating kubernetes repositories

welcome@SSPLLTIT018:~$ sudo apt update Hit:1 https://download.docker.com/linux/ubuntu focal InRelease Hit:2 https://packages.microsoft.com/repos/code stable InRelease ...
Himanshu Vaidya's user avatar
1 vote
0 answers
80 views

using '/dev/dvb/adapter0/frontend0' in phoneinfoga

I am using Phoneinfoga through Ubuntu and running the scan cmd, I am getting the following error:- using /dev/dvb/adapter0/frontend0 and /dev/dvb/adapter0/demux0 main:2745: FATAL: failed to open '/dev/...
eca 6911's user avatar
0 votes
1 answer
60 views

I am unable to find /home/user/Personal/Documents files in /home/ramendu/Personal/Documents

Unknowingly I have deleted my /home/user/Personal/Documents files. How can I recover them? [
Ramendu Narayan DATTA's user avatar
0 votes
0 answers
152 views

Is there soemthing like iOS's universal links for ubuntu

I am currently developing an application that supports universal links on iOS / MacOS, app links on android and apps for websites on windows. Therefore when a user clicks on a link for my app, for ...
Dariyooo's user avatar
0 votes
1 answer
38 views

How to pbuilder build only certain .deb pacakges

So when I do a pbuilder build *.dsc, it builds every package in the dsc package list. Is it safe to edit the .dsc file's package list to contain only the desired packages. Or is there a way to be able ...
Levi Uzodike's user avatar
3 votes
1 answer
201 views

Is it possible to develop the Ubuntu kernel on the same computer that one works on?

Is it possible to develop the Ubuntu kernel on the same computer that one works on? How? Note: Really couldn't discover the answer from the website. https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel#...
mavavilj's user avatar
  • 211
0 votes
0 answers
24 views

Ubuntu cant turn on dev/sda2 and also diamonds

When I boot the computer it says: /dev/sda2 contains file system with errors And when I try to type, I see white diamonds instead of characters: How can I fix this?
Roei Nahmany's user avatar
0 votes
0 answers
248 views

AWS EC2 intance service and ubuntu Memory issue/problem

enter image description hereI am using AWS EC2 intance service and ubuntu. I am using t2.micro EC2 instance. The EBS volume size is 8Gb. I came accross following problems: 1- I openned my ubuntu ...
Hamza Yousaf's user avatar
2 votes
1 answer
823 views

ubuntu 22.04 python3-dev:amd64

After upgrade 20.04 to 22.04 Python3 failed installation. When I run the apt-get upgrade or install python3 it begins but always hits this error: Setting up python3 (3.10.4-0ubuntu2) ... running ...
Meo - the real one's user avatar
11 votes
2 answers
11k views

Why don't any of these methods work for installing .Net Core SDK & runtime on 22.04 (Jammy Jellyfish)?

I went to the following official Microsoft link to install .NET Core 6.x (SDK & runtime) and they would not work. Basically, it tells you to : wget https://packages.microsoft.com/config/ubuntu/22....
raddevus's user avatar
  • 1,838
0 votes
0 answers
847 views

How to find a reason for a change in Ubuntu? (example: removal of package wslu from the default installation)

I would like to check the decision process for a certain change in Ubuntu. I found the commits implementing the change but in the changelog there is just a plain statement of the change without any ...
pabouk - Ukraine stay strong's user avatar
-2 votes
1 answer
79 views

How to get device information only from location

Is there a way to get the information of a device in the terminal, providing only his location? For example I whant to get /dev/sca product information, such as fabricant and model. Usually i just go ...
Jobesmor's user avatar
1 vote
1 answer
2k views

Which packages for OpenGL? [closed]

sorry for the simple question: Which packages do I need to install to get OpenGL working (including building a program which uses OpenGL)? (I use Ubuntu 20.04 LTS. There is no such package as opengl, ...
PeterW's user avatar
  • 23
0 votes
0 answers
186 views

why it is impossible to install libsdl2-dev on ubuntu 20.04? Or is there some way to fix that problem? [duplicate]

[I have absolutely no idea how focal-updates got removed, but following the dup question directions, I just added this line deb http://br.archive.ubuntu.com/ubuntu/ focal-updates main restricted ...
Aquarius Power's user avatar
0 votes
0 answers
180 views

How can I create a new/edit the existing touchpad driver?

I have an Acer Laptop (Acer Aspire E5 575G) and the problem I am facing is that ubuntu or any other Linux distro does not support the "Advanced" Touchpad mode which comes with the laptop ...
jashgopani's user avatar
1 vote
0 answers
27 views

Ubuntu Starting problem

I am using Ubuntu 20.04 version and when I start my pc it says like dev/sda nnn file/ nnn blocks and then it goes to login page without any ubuntu background (black) like Welcome to .......... ...
Estifanos 's user avatar
0 votes
0 answers
115 views

/dev/sda2: clean, nnn/nnn files, nnn/nnn blocks

Ubuntu 21.10 So, my 240GB SSD apparently got full before shutdown and now the OS won't load. Error screen says /dev/sda2: clean xxxxxx/xxxxxxxx files xxxxxxxx/xxxxxxxx blocks [FAILED] Failed to start ...
IN_surrection's user avatar
2 votes
1 answer
351 views

What is "X Software Development" equivalent on ubuntu?

When I try to "groupinstall" this package: sudo apt -y groupinstall "X Software Development" I have 2 problems, first groupinstall doesn't exists on ubuntu, second, Ubuntu can't ...
hc40523's user avatar
  • 23
3 votes
1 answer
2k views

libpulse-dev installation problem [duplicate]

There seems to be an issue with libpulse-dev in Ubuntu 21.10 because if I want to install libsdl2-dev on a fully up-to-date system, I get: The following packages have unmet dependencies: libpulse-dev :...
Bram's user avatar
  • 2,541
2 votes
2 answers
513 views

Reload current keyboard layout after making changes

I am developing bug fixes to keyboard layouts. For now, I am not adding any new layouts; I am just making changes to existing ones. I do this by directly modifying the layout files in /usr/share/X11/...
user149408's user avatar
  • 1,441
1 vote
1 answer
828 views

Compiling custom kernel [duplicate]

I am interested in compiling a custom kernel in Ubuntu 20.04 so I can use the fingerprint scanner in my hp envy x360. Also I want to learn how to learn the process. Where do I start? How difficult is ...
RainneDecember's user avatar
1 vote
1 answer
118 views

How many percentage of packages (main restricted universe multiverse) are taken from Debian?

I'm just curious to know how many packages or percentage of packages does Ubuntu take from Debian for all the packages that reside in main, restricted, universe and multiverse. Also, if you link some ...
Kratos's user avatar
  • 15
3 votes
1 answer
384 views

Need detailed instructions to install Scribus 1.5.5 from tar.xz to Ubuntu 18.04

Yes, This is the dev version. Need to open & edit old .pub files. I have looked at several how to install from tar.xz,gz,etc - all just confusing. Have downloaded the tar.xz and extracted the ...
Barbara Hodgkinson's user avatar
1 vote
2 answers
110 views

How to develop for Ubuntu [closed]

I know how to program in C/C++, JavaScript and PHP and I want to develop some GUI tools for Ubuntu. How shall I start? In other similar posts the OP suggests Python and he doesn't refer explicitly GUI....
João Pimentel Ferreira's user avatar
-2 votes
1 answer
63 views

Learning linux development [closed]

I am interested into learning development of Debian. I learnt and I am actually learning advanced abstract mathematics, so I will propably not have problems with understanding, but actually I do not ...
jazahalka's user avatar
1 vote
1 answer
3k views

How to install curl development dependencies Ubuntu 20.04

Was trying to run bundle install for a Ruby on Rails project which required gem curb. Here's what happened: gem install curb Fetching curb-0.9.11.gem Building native extensions. This could take a ...
lacostenycoder's user avatar
0 votes
0 answers
89 views

How to create ubuntu server in ubuntu 18.04 operting system?

I want to install the docker for learning purposes.But most tutorials mention that we have to use the Ubuntu server for that.Currently I am using the Ubuntu 18.04 OS.How can I create the Ubuntu server ...
Mihiran Chathuranga's user avatar
0 votes
0 answers
108 views

compulsory php7.2 settings in ubuntu 18.04 environment for web development

I have ubuntu 18.04 development environment. Is this compulsory to make change on the following lines below in php.ini file to run environment properly? $ sudo nano /etc/php/7.2/fpm/php.ini Changes ...
jeeva's user avatar
  • 49
0 votes
1 answer
2k views

Can somebody explain what is meant by code source tree

I am trying to build a deb package from source code. when I run: debuild -b -uc -us From the source code directory I get: debuild: fatal error at line 679: cannot find readable debian/changelog ...
treyiii's user avatar
  • 89
1 vote
0 answers
86 views

How to see all window's controls. I need something like a GTK theme preview

I'm trying to make my own GTK theme for Xubuntu. I have no problem with customization GTK settings. But I don't know how to see all interface's elements. Something like this: Yaru theme Ubuntu Is ...
Дмитрий Седов's user avatar
0 votes
1 answer
614 views

/dev/mapper/vgkubuntu-root is full

I got "Low Disk Space" warning on my kubuntu 20.10 and could not figured it out why since I store everything on external HDs mounted on /media. The command df -h gave me the following : ...
rf2632's user avatar
  • 491
0 votes
0 answers
163 views

Connect to dev machine using IP address

I'm working through tutorials using Angular and node. I am able to build and access my tutorial site on the localhost:<port#> and can also access them on the machine using http://127.0.0.1:<...
user2884081's user avatar
0 votes
0 answers
5k views

stropts.h missing in Ubuntu 20.04

I am having a problem in Xubuntu 20.04 (focal). I am trying to compile a scientific package (FreeUSP.org) and the compilation fails with: chd_stat.c:10:10: fatal error: stropts.h: No such file or ...
Roxo's user avatar
  • 1
1 vote
0 answers
778 views

How to speed up dpkg-deb build

I use dpkg-deb to build a deb package. However, in my CI tests, dpkg-deb takes a lot of time to complete (~6min). Is there a way to speed up the process? I have tried setting compression to none: dpkg-...
Amin Ya's user avatar
  • 113
2 votes
1 answer
493 views

What is the difference between Lubuntu and Xubuntu on the basis of development communities?

I read somewhere that Lubuntu is developed by the Lubuntu Community, but Xubuntu is developed by the Community (i.e., community maintained). How are these two communities different?
kamer_kane's user avatar
2 votes
1 answer
262 views

20.04 dev packages (libfreetype6-dev) not ready. Skeleton packages

I have noticed that some dev packages don't contain the full package contents (compared to 18.04) and are just skeleton packages. libfreetype6-dev for instance. Should I be worried or is this ...
Walter ZAMBOTTI's user avatar
0 votes
1 answer
2k views

Deleted the dev/sda1 file and restarted the computer

I accidentally deleted /dev/sda1 file and restarted it and it says no bootable devices available please restart is there anything i can do now to get all my files back i can enter the bios mode
Arifa Shaik's user avatar
2 votes
1 answer
11k views

How to use NetBeans in Dark Mode with the Darcula Theme?

How do I install Darcula through Netbeans itself? Seemingly a matter of enabling the correct plugins through the GUI? Versus installing after manually downloading: I'd expect it to be available ...
Thufir's user avatar
  • 4,561
0 votes
1 answer
110 views

Can I install PHP on my local development machine?

I'm looking to install PHP on my desktop Ubuntu installation to be able to develop locally without uploading my files. What packages would I need to install to do so? Last time I tried to install ...
Leonardo Petrucci's user avatar
0 votes
0 answers
177 views

How do I increase my sdb4 partition to include allocated space?

The unallocated space is shown here having 22GB and the size I want to increase is that of /dev/sdb4 Please do help :)
shishir's user avatar
0 votes
0 answers
666 views

Getting HW transcoding to work on headless machine

Okay i give up.. Im done.. I cant for the life of me get HW transcoding to work on my plex server.. Im out of ideas.. Im pretty new to this Linux thing.. But i have read everything i could find and i ...
Casper Thomsen's user avatar
0 votes
0 answers
671 views

/dev/sda1: clean, xxxxx files, xxxxx blocks

I wanted to install Crossover application by following guidelines from linuxhelp.com and once I got an error I ran apt-get -f install. Then I shut it down and when I wanted to run on the came up and I ...
Satar.619's user avatar
1 vote
2 answers
1k views

How do I do a minimal install so I can customize Ubuntu?

I'd like to use Minimal ISO (or something similar) to assemble my Ubuntu distro. It's okay, however I don't know how to set the name of the distribution and how to update it properly without errors or ...
swanux's user avatar
  • 21
0 votes
1 answer
2k views

Ubuntu 19.04 install Wine Devel

I saw another post where it was asked how to install Wine Staging on 19.04 since the repository has not been released yet. I'm looking to install Wine Devel instead. I was not sure if it was enough ...
mzo's user avatar
  • 11
1 vote
0 answers
1k views

System JDK versus SDKMAN

More than once I've had to go into apt to remove JDK > 8 because, at least for the moment, umake installs Netbeans 8 which only runs on JDK 8. I only need JDK 8 for Netbeans, and that temporarily ...
Thufir's user avatar
  • 4,561
1 vote
0 answers
137 views

Ubuntu kernel modules development tools? (USB)

I'm developing a driver for a composite USB device, with vendor specific VID / PID. The device have multiple endpoints and with pnp alt_settings / descriptors. At the moment Im using code::blocks as ...
Rickard Zachrisson's user avatar
0 votes
0 answers
783 views

trying to compile chromium-browser from source, but failing with 'map' file not found

I have downloaded source for chromium-browser. Also: apt-get source chromium-browser sudo apt install build-essential sudo apt-get build-dep chromium-browser I have installed libraries (and more):...
Tim Richardson's user avatar

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