Questions tagged [application-development]
Writing applications for Ubuntu (including Ubuntu Touch) and questions about the application submission process to the Ubuntu Software Center. This covers both open source and commercial applications.
1,920 questions
0
votes
1
answer
192
views
Upgraded to 24.04.1 - dotnet core is installed but won't build, why?
I just upgraded to 24.04.1 and I noticed it removed a lot of packages (old versions of dotnet core 6,7).
I do have dotnet core 8.x installed and it runs and allows me to list the sdks and runtimes.
8....
- 1,888
2
votes
1
answer
101
views
Will not run openshot .3.2.1 on ubuntu 24.04 with raspberry pi 5 with 8 gb ram
chuckw@chuckw-desktop:~$ sudo openshot-qt
[sudo] password for chuckw:
Loaded modules from: /usr/lib/python3/dist-packages/openshot_qt
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/...
- 21
2
votes
0
answers
25
views
Display icon on screen
I want to create an application or library to display icons like "back" and "forward" on the middle of the left and right edges of the screen, similar to how Chrome shows ...
- 21
5
votes
1
answer
519
views
How to open a single app in a particular language while the system language is English?
I am a developer of Safe Eyes (an app that reminds you to blink eyes to prevent eye strain), and someone requested a feature that they want to open the app in Spanish, while the system language for ...
- 36.1k
0
votes
0
answers
122
views
Guide to develop / edit ubuntu 24.04 GUI (file dialogs)
I'd like to start improve the default gnome's open/save/explore file dialogs and apps in ubuntu 24.04 including some shortcuts that are annoyingly don't exist (like ctrl+l to reach the file path text ...
- 11
1
vote
1
answer
134
views
.desktop file not launching on double click
I'm having trouble getting my .desktop application to launch with a double click. I've created a .desktop file that runs a .bash script, and I've given all necessary permissions to both the .desktop ...
- 11
0
votes
1
answer
153
views
sed mongodb connection string copying multiple times in env variable through github action
this is command which i run in github action its copying into .env.production file
sed -i "s#DB_URI=.*$#DB_URI=mongodb+srv://xxxxxx:[email protected]....
- 11
1
vote
1
answer
110
views
create a topbar shortcut to an .sh script
I want to be able to run a script with custom parameters via a shortcut in the top bar. On ubuntu 22.04.
I imagine it would look something like this
How can I make something like that?
Thanks
- 21
0
votes
1
answer
114
views
Is there a document specification for formatting the version query output of an application
I'm aware that some recommended standards for Linux package development exist. For example, according to Debian standards, service users and groups should begin with an underscore.
Is there a standard ...
- 255
0
votes
0
answers
187
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 ...
- 1
1
vote
1
answer
3k
views
Considerations when upgrading Ubuntu from 18.04 to 22.04 -- software development POV
I have been using Ubuntu 18.04 LTS for over three years now and have been considering moving to newer LTS versions for some time. However, the thought of working software breaking or requiring changes ...
- 31
2
votes
1
answer
127
views
I have installed .NET on Ubuntu 22.04 yet it doesn't recognize the SDK
I firstly installed .net sdk 7.0 using snap. VSCode didn't recognize it and I added it to the path (I don't remember how, creating a symbolic link I think). Still VSCode wouldn't recognize it inside ...
- 21
1
vote
1
answer
230
views
Android Device on Linux
I have a Desktop PC running Ubuntu, I also have an Samsung galaxy Tablet.
I am looking for a solution for the following needs:
Connect tablet to PC.
Tablet opens up as an application window.
...
- 13
0
votes
1
answer
622
views
Unable to install Synaptic Package Manager [duplicate]
I am unable to install the "synaptic Package Manager" from Ubuntu software store. I am using Ubuntu 23.04, while I am trying to install it the dialog shows" unable to install "...
user1051028
-1
votes
1
answer
58
views
Which Linux is best for beginners [closed]
I am totally new to Linux i want to try Linux since I heard it is best for web and app development.but I am not sure to choose which Linux is best like Ubuntu,mint and so... So can anyone tell which ...
- 17
0
votes
1
answer
181
views
Developer guidelines for specifying priority of apps in update-alternatives?
The update-alternatives command is a common way to specify which of various alternative programs should be the default in each of several categories of programs (web browsers, editors, etc). I think ...
- 3,685
1
vote
2
answers
610
views
Keyboard wired not faunctioning on ubuntu 23.04
I upgraded Ububtu 22.04 to 22.10 then to new released ubuntu 23.04 and it found that some times the Keyboard(USB) not functioning after unlocking to desk top.After restarting the machine it is found ...
user1051028
1
vote
1
answer
4k
views
messed up fan speed setting how to reset
So i run ubuntu server 22.04.2
The problem was my gpu fan makes noise when it runs, so i was trying to mess with fan speed controls so I ran a couple of commands that I have mentioned down
pwmconfig
...
- 11
1
vote
1
answer
1k
views
How to fix the error qmlscene: could not find a Qt installation of '' in Ubuntu Unity 22.10?
I compiled this app made for Ubuntu Touch in Ubuntu Unity 22.10.
The app can be run with qmlscene %U /path/to/qml/Main.qml.
When I run qmlscene, I get the error
qmlscene: could not find a Qt ...
- 36.1k
0
votes
1
answer
897
views
How to trace API calls on Ubuntu?
I have an application installed on Ubuntu 22.04. The application connects to an API and when I run a command in the application input space, it starts communication with the API and retrieves the ...
- 109
1
vote
0
answers
512
views
Remove all manually installed libraries
What is the easiest way to remove all development library packages that have been installed manually, i.e. via apt-get install libsomelib-dev, on Ubuntu 22.04?
Something like:
sudo apt-get remove lib*-...
- 550
0
votes
0
answers
743
views
Cool Retro Term not displaying
I'm trying to start up cool retro term, and am running into an issue. When I run it using "cool-retro-term" in the terminal, the new window pops up, but it's see-through, as in you can see ...
-1
votes
1
answer
231
views
Google Login problems
ScreenshotI'm using Ubuntu 22.04.1 LTS aarch64 on my PI400 and really liking it, however when i try to log my Google account in Settings/Online Accounts I get the attached.
It's not urgent, just ...
- 1
0
votes
1
answer
569
views
Best way of building a Ubuntu CMake app as cross platform on Visual Studio 2022 Community Ed. c++?
Questions:
Are there CMake differences between Ubuntu 22.04 and Visual Studio 2019 Comm Windows 10/11? Aside from CMake version minimum 3.20 for VS2019, I had been using 3.23 on Ubuntu. Qt required ...
- 153
1
vote
3
answers
1k
views
What are current tools to develop Desktop apps for 22.04?
Coming from Windows, I an used to being able to use Visual Studio to quickly layout a Desktop App, add in the event driven code and have a useful tool really quickly.
I am looking for something ...
- 43
7
votes
2
answers
24k
views
How can I change the name or icon of an installed application?
I have two MPV media players installed of different versions. One is via apt and another via flatpak. I need them both for different purposes. But they have exactly same name and icon. So, whenever I ...
- 301
0
votes
0
answers
2k
views
Problems trying to deploy Laravel 9 app on Ubuntu Server 20.04
Im facing problems while try to deploy my Laravel App (v9) on my Ubuntu Server.
First of all, Im going to share my Apache Configuration because I think my problem is related with it more than Laravel.
...
- 175
17
votes
2
answers
74k
views
How to install Qt6 on Ubuntu 21.10
When trying to open a program that requires Qt6, it gives error while loading shared libraries: libQt6Network.so.6: cannot open shared object file: No such file or directory. I tried installing Qt6 by ...
- 273
0
votes
1
answer
669
views
Application item on Menu bar
I used to have an drop down on my menu bar called "Applications" but it now gone. It was alongside the "Activities" item.
Can I get it back? Thanks
Roger
0
votes
0
answers
16
views
change speed of tab selection
I am wondering if it's possible to change the speed at which selection of buttons, links, etc...moves, when 'tab' is pressed (in many applications)
is it system wide? or application dependent?
thanks
- 101
1
vote
0
answers
168
views
In Gnome builder, "Create Project" button is inactive when JavaScript is selected
When I try to create a new project in Gnome Builder the Create Project button is inactive if I select JavaScript and GNOME Application. If I switch to GNOME Application (Legacy) or some other language ...
- 61
0
votes
2
answers
76
views
How Complex Could a Terminal Program Go? [closed]
I have been using Linux for about 6 months and I got into terminal programs like cmus, MPlayer, and sc. I am wondering how complex a program can get before creating a GUI would be better. An example ...
-1
votes
1
answer
2k
views
How do you develop an app on Ubuntu with a simple GUI? [closed]
How do you develop an app on Ubuntu with a simple GUI?
I have looked everywhere and I can't find a way.
- 11
3
votes
1
answer
2k
views
How to Add the installation prefix of "Qt5QmlModels" to CMAKE_PREFIX_PATH
CMake Error at /usr/lib/x86_64-linux-gnu/cmake/Qt5/Qt5Config.cmake:28 (find_package):
Could not find a package configuration file provided by "Qt5QmlModels" with
any of the following ...
0
votes
0
answers
153
views
Open Bangla or avro phonetic not work on Ubuntu 21.10 cinnamon
I have upgraded ubuntu 21.04 to 21.10 and it is found that avro phonetic bangla or open Bangla is not working on cinnaman but works fine in ubuntu, how can I install avro bangla or open bangla in ...
user1051028
6
votes
1
answer
81
views
Assistive Technology for Hands Free Use
I'm looking for packages compatible with Ubuntu 20.04 LTS that facilitate using the computer without hands.
Examples include:
eye gaze tracking mouse software
dictation software capable of coding
...
- 61
1
vote
2
answers
55
views
Opening a piece of software from anywhere [duplicate]
I have a compiled program in a certain folder that I would like to access from anywhere without needing the write ./path/to/file/each/time/app_name. For example, the app executable is installed in ...
- 113
0
votes
2
answers
700
views
Read "smbstatus --shares" data from application
I want to create an application that shows who is connected to the samba server.
How can I read --shares data.
Where is that data located?
I'm using Ubuntu 18.04 with Samba4.
- 13
-3
votes
1
answer
310
views
How to Install & Setup MEAN Stack on Ubuntu (MongoDB, Express.JS, Angular.JS, Node.JS)
I have started learning to mean stack web development which is an open-source JavaScript framework used for developing robust applications. It is a complete packet of software tools that have ...
1
vote
1
answer
54
views
What all things happen when I uninstall an application in Ubuntu? [closed]
I'm working on a desktop application and recently when I uninstalled it to install a newer version the local folder of the application got deleted.
I'm curious to know what are all the things that ...
2
votes
0
answers
2k
views
How do I resolve "X Error of failed request: GLXBadFBConfig" when installing iTunes using wine?
I installed wine in order to install iTunes. The iTunes icon is on the desktop but it won't open. with wine64 explorer I see iTunes.exe, however when clicking on it the following message in the ...
- 21
1
vote
1
answer
156
views
Can't open "Settings" apps on ubuntu 21.04
I upgraded to Ubuntu 21.04 from Ubuntu 20.04.
It ran smoothly with no problems, and now I couldn't open the "Settings." How can I overcome this problem?
user1051028
6
votes
3
answers
6k
views
How to create desktop applications for Ubuntu Software Center?
I want to develop desktop applications for Ubuntu and push them to Ubuntu Software Center.
I searched the whole internet but could not find any suitable article or blog on this topic. I thought of ...
- 71
2
votes
2
answers
337
views
Offline commandline Thesaurus?
Online command-line thesaurus?
This here has answers for an Online thesaurus. I need an offline thesaurus for the commandline. If there is none, is there a library available in the repos containing ...
- 12.2k
1
vote
1
answer
2k
views
$ sdk current java is showing Not using any version of java
I have sdkman installed in my linux ubuntu 18.04.
$ sdk version
SDKMAN 5.11.5+713
I installed amazon java correto 11 using the below command.
$ sdk install java 11.0.11.9.1-amzn
java 11.0.11.9.1-amzn ...
-3
votes
1
answer
1k
views
How to mine Dogecoin on Ubuntu? [closed]
I have a question for the community. What is your best advice for mining dogecoin on Ubuntu? I have searched on youtube and found this video. Link below. What is your advice for mining!
Link: https://...
- 337
0
votes
1
answer
558
views
Freezes while frontend development
I use Ubuntu 21.04. I'm working on an angular application using Visual Studio Code as my editor and Google Chrome for testing on an ASUS VivoBook s15(i7-8thgen, 8gigram, 250ssd). I use ng serve... ...
- 101
2
votes
1
answer
195
views
Title of application menu in top bar shows Java package path
I have a self written Java application. I set the frame title with JFrame.setTitle. When I run it under Ubuntu 20.04, the application menu in the top bar shows the Java package path as shown in this ...
- 31
0
votes
0
answers
505
views
How can a snap application use a port?
I'm trying to package a web program as a snap, so I want to know how to enable it use any port, and how to allow the user to change port with some setting.
The software needs to access networks, the ...
- 11
0
votes
0
answers
149
views
Ubuntu Server Management - How do I stop hard drive space from creeping up over time?
I have been using ubuntu servers (not the full desktop version) for the last 5 years, I have consistently had the same issue with hard drive space creeping up over time.
I use AWS CloudWatch to notify ...
- 123