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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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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 ...
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Bash treats some files as non-existent files

The Problem I have a lot of gcc i686 cross-compiler executable files in a custom bin directory, i previously placed them on default bin folders, but no matter what, i cant open them. I tried to open ...
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-1 votes
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When Will Ubuntu 22.04 AHS Kernel Be Available?

I'd love to be able to run Ubuntu 22.04 & kernel 5.17.x ... Is there a specific release date or schedule for the ahs kernel development? Thanks in advance! Tim
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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 ...
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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, ...
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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 ...
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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 ...
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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 .......... ...
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/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 ...
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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 ...
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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 :...
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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/...
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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 ...
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1 vote
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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 ...
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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 ...
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Development of Software for a client by using Open source Operating System

the software develop on Ubuntu Operating system also came under the GPL Sanctions ?? for example I Install Ubuntu Operating system I Install Visual studio code for development any software for a ...
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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....
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-2 votes
1 answer
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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 ...
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1 vote
1 answer
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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/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 : ...
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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:<...
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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 ...
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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-...
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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?
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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 ...
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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
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2 votes
1 answer
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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 ...
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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 ...
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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 :)
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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 ...
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/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 ...
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2 answers
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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 ...
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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 ...
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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 ...
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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 ...
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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):...
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2 votes
1 answer
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How to route IP net to interface using netplan

The VLAN of eth0 holds 2 IP nets, from the machine with IP 10.64.0.101/27 (eth0@machine-1) I used to connect to the openVPN server at 10.0.0.41/27 (eth0@machine-2) with the IP range 192.168.0.0/24. ...
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2 votes
1 answer
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How should I upload a package after having used git-ubuntu to prepare it?

I prepared an upload by cloning a git-ubuntu repository and committing some changes locally. As an Ubuntu developer, I have permission to upload to the archive. What do I need to do to upload my ...
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1 vote
2 answers
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package libprocess-cpp-dev missing in 18.04

I'm trying to build an application that requires libprocess-cpp-dev. There is no available version for 18.04. I also tried to to look for an alternative package with the same header files using apt-...
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How to replace Apache2's main page?

How I can change Apache2's main page to a custom page of my own?
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4 votes
1 answer
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How can I determine and change the version of the C++ standard library that g++ is using?

I have a C++ program that I'm trying to update to use the std::filesystem library which is in the standard library of the new C++-17. I had to install g++ version 8 to get C++-17 features. My ...
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How does Ubuntu formats any flash drive with file systems in terms of Code?

I was thinking how can we design a file system of our own for study and experimental purpose. But for doing that I am not able to find proper documentation and resources. I also want to know even if ...
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not open python as file or directory

I tried to develop pyarrow on my system for use it at python by using this site commands https://arrow.apache.org/docs/python/development.html in use the billow command cd arrow/python python ...
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2 votes
0 answers
2k views

Unable to install OpenGL/GLUT libraries

I'm trying to install OpenGL/GLUT libraries but I always get this error. Can someone help me? I tryed to install il using the command sudo apt-get install freeglut3-dev The following packages have ...
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0 votes
2 answers
583 views

Install oauth for python3

I'm looking for easy way to install python3-oauth with pip. I've found this https://help.launchpad.net/API/launchpadlib but it refers to python2. I've found there are some packages for python3 ...
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3 votes
2 answers
7k views

I can't upgrade to Ubuntu 18.04 from 17.10 [duplicate]

I have tried using do-release-upgrade. It shows no release found I tried using do-release-upgrade -d. It says development releases can only be upgraded from LTS releases I tried sudo update-...
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