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Questions tagged [mono]

Mono is an open source project aimed at bringing .NET compatible technology to the open source world. This technology includes a C# compiler and the Common Language Runtime.

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How do I install 32-bit Mono in Ubuntu 20.04

I have a Windows app that requires a 32-bit runtime to execute with Mono. I have installed Mono 5.x (a requirement, it can't use 6.x or later) from archive.org using these commands: sudo apt install ...
cashiecoder's user avatar
1 vote
1 answer
254 views

How to downgrade mono from 6.x to 5.x or 4.x?

After upgrading Ubuntu 18.04 to 22.04 (passing through 20.04) an old web application with an ASMX web service (so with Mono ) won't work anymore. I tried a lot of things , but neither works. Mono ...
stighy's user avatar
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1 vote
0 answers
67 views

Printing using a non-mono font and using texttopdf

Well, what's in this article it is written about changing the standard printing font to some other, but for some reason only mono font. And the question arises whether it is possible to do it with a ...
Максим Однорал's user avatar
0 votes
0 answers
458 views

Error with mono while updating ubuntu 20.04

I'm kindly asking for your help. I'm trying to update with sudo apt update on Ubuntu 20.04, but I get this error message: E: The repository 'https://download.mono-project.com/repo/ubuntu stable-focal/...
fany's user avatar
  • 11
0 votes
0 answers
198 views

MonoDevelop failed to start on Ubuntu 22.04 LTS

After starting: $ monodevelop --no-redirect Linux 5.19.0-35-generic #36~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Fri Feb 17 15:17:25 UTC 2 x86_64 FATAL ERROR [2023-03-04 18:02:26Z]: MonoDevelop failed to ...
Karol78's user avatar
  • 51
1 vote
0 answers
341 views

Can I play warcraft 3 cinematics in game? focal

I'm using Ubuntu 20.04 (Focal) . Is there any way to play warcraft 3 cinematics in game? My version is Warcraft 3 Complete v1.25 (chaos+frozen). I don't use Lutris. The game works well after ...
Xzu's user avatar
  • 98
2 votes
1 answer
546 views

Installed dotnet6 package with Jammy but the Windows application is still asking for Mono

I am trying to run SDRPlay2RSS.exe with wine. This is a piece of software based on the .NET framework, belonging to radiotelescope software for the Radio Jove project. I first tried installing wine ...
Sabine's user avatar
  • 41
1 vote
0 answers
1k views

Download, unzip and run a file from GitHub

I'm absolutely new to Linux and I would like to know how could I download through the command line a .zip file from GitHub releases e.g. https://github.com/username/repo/releases/download/ver/file.zip ...
Th3ms's user avatar
  • 11
2 votes
0 answers
3k views

Wine mono is not installed

I'm encountering an issue ive seen questions about, however none of the solutions actually work for me. Someone said to open an uninstaller msi(?) to install, however i cant open msi files on linux so ...
bowlofsoup's user avatar
0 votes
0 answers
207 views

mono-run prevents reconfiguration of packages on Ubuntu 22.04 [duplicate]

Recently I had to reinstall Ubuntu. After returning to Ubuntu 22.04 I restored my /usr/local/ and var folders which caused huge mess in terms of packages being written as installed although when one ...
Denis Marcinkov's user avatar
2 votes
0 answers
1k views

Enable Mono Audio output in Ubuntu 22.04lts

I would like to enable mono audio output through my earphone;this was possible previously in ubuntu 20.04(vanilla) with these instructions: Can I downmix stereo audio to mono? However,it doesn't seem ...
aqh's user avatar
  • 31
0 votes
1 answer
40 views

Unable to open a file using a custom program that has been added to 'open with' list

This is essentially a windows program for editing subtitles. I've been using another program called mono to run it. The program itself runs fine. I then created a .desktop file that looks like this. [...
Aurora C's user avatar
  • 315
1 vote
2 answers
541 views

N: Skipping acquisition of configured file 'main/binary-i386/Packages', ... 'https://download.mono-project.com/repo/ubuntu stable-focal InRelease'

Full Error N: Skipping acquisition of configured file 'main/binary-i386/Packages', as repository 'https://download.mono-project.com/repo/ubuntu stable-focal InRelease' doesn't support architecture '...
Mark's user avatar
  • 11
0 votes
1 answer
7k views

Cannot import GPG keys via apt-key

I'm trying to install mono on my Ubuntu 20.04 server. I followed the official install instructions about Mono on Download When executing: sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --...
user13182493's user avatar
3 votes
1 answer
3k views

Tried to install mono. Now apt is broken [duplicate]

I tried to install mono for Ubuntu 20.04. I used these commands. sudo apt install gnupg ca-certificates sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys ...
NoahGav's user avatar
  • 61
3 votes
1 answer
452 views

How to delete all packages from a repository and then delete the repository and then delete the signing key?

I'm running Ubuntu 21.10. I made a mistake and downloaded Mono that's supposed to be used on a older version and now it's giving me error messages like: Sub-process /usr/bin/dpkg/ returned an error ...
Turtleman's user avatar
7 votes
1 answer
3k views

Is it possible to force all audio to mono?

I am deaf in one ear and want Ubuntu to mix both left and right audio channels to mono audio. There is an Accessibility Setting for this in Windows, but I cannot find one in Ubuntu. The only Hearing ...
Freshmaker's user avatar
1 vote
1 answer
1k views

problem with installing photoshop

I've tried install photoshop cc in ubuntu 20.04 but I got some error in my terminal. First I wanted to install via wine but I got this: "The following packages have unmet dependencies: winehq-...
Aliaksandr Lisoŭski's user avatar
1 vote
0 answers
214 views

Ubuntu very slow - mono command

I have Ubuntu 20.04 and very often it is very slow. Using TOP during these slow times I notice command "mono" is taking 80%-100% of the CPU. What is the mono command, do I need it, and how ...
matt4522's user avatar
0 votes
0 answers
1k views

Ubuntu 18.04 cannot install mono

(I've examined the seemingly similar questions I can find and get to know it's not a duplicate.. Error message: Err:1 https://download.mono-project.com/repo/ubuntu stable-bionic/main amd64 libmono-...
misakawa's user avatar
2 votes
1 answer
1k views

Why does Pinta crash immediately after opening an image on Ubuntu 20.04?

When opening pinta on the command line the app quickly crashes after opening an image and complains about a call to free() erroring out before doing a full memory dump.
fIwJlxSzApHEZIl's user avatar
2 votes
1 answer
1k views

How to redirect the output from desktop-entry

I have a program called prg.exe written in C#. I want to run this program in mono with an argument (arg1) and redirect the output to a log file called log.txt. If I open a terminal and enter the ...
Viorel's user avatar
  • 23
1 vote
0 answers
319 views

How to solve: Skipping acquire of configured file 'main/binary-i386/Packages' for mono-project? [duplicate]

whenever i try to run sudo apt update, i get this error: N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'https://download.mono-project.com/repo/ubuntu stable-focal ...
IKONIK's user avatar
  • 29
0 votes
1 answer
320 views

How to run Mono on Ubuntu 18.04?

I have installed mono from Terminal. How am I going to run it?
user avatar
0 votes
1 answer
713 views

Can't install mono [duplicate]

I'm currently stuck and cannot install mono-devel on my PC. I've installed the mono keyring and repo, but whenever I try to install it I get this: Some packages could not be installed. This may mean ...
Anonymous's user avatar
-1 votes
1 answer
737 views

Unable to install Wine - list of sources could not be read

I tried to get Wine (because I saw that I can't use .exe files in Ubuntu) but I didn't know about sudo add-others... I randomly walked to some kind of Mono. I entered it and it didn't continue for ...
HowToDo Balkan's user avatar
1 vote
1 answer
2k views

Ubuntu 20.04 Mono CSC Compile Not Working

I receive an error when compiling "hello.cs": using System; public class HelloWorld { public static void Main(string[] args) { Console.WriteLine ("Hello World!"); ...
Dwayne Hopkins's user avatar
1 vote
1 answer
1k views

How do I install mono 5.18.0?

I would like to install Mono 5.18.0 on Ubuntu 20.04. All I could find was an installation guide for accessing older releases which technically breaks down to: If you want to pin an older version of ...
Themelis's user avatar
  • 159
0 votes
0 answers
340 views

What were the requirements for running Visual Studio IDE on Ubuntu? Can we develop IDE like it for Linux? [duplicate]

I'm looking for deep knowledge for running Visual Studio IDE in Ubuntu. Can anyone tell me what were the requirements to do so. Ofcourse wine is a process available but as It themselves says vs2019 ...
mzaifquraishi's user avatar
0 votes
1 answer
578 views

I can't download the wine-mono the problem could be in the server

I install wine --stable and try to install wine-mono through it automatically went prompted but I Can't download wine-mono or gecko it could be the server problem or the problem is in my network ...
14 kaitou's user avatar
2 votes
1 answer
7k views

How do I get radarr.service to start automatically?

I have installed radarr successfully, but it will only run if I use terminal and type: mono ~/Radarr/Radarr.exe When I close terminal, radarr will stop working so I followed the instructions on wiki ...
david taxer's user avatar
0 votes
3 answers
14k views

Bluetooth headset only plays sound in mono

My brand new JBL Bluetooth headset only plays sound in mono. Resetting Bluetooth in an attempt to fix it doesn't help - all Bluetooth services go off and the headset is no longer in the list of sound ...
David's user avatar
  • 2,101
0 votes
0 answers
417 views

Only left channel being converted to mono

When I plug my low-quality mono earphones into my motherboard (green audio slot), I hear sound in both the left and the right earplugs. Now if the sound being played is also mono then this is fine, ...
Peeyush Kushwaha's user avatar
0 votes
0 answers
526 views

Problem installing Z3 in ubuntu 16.04

I downloaded Z3 from https://github.com/Z3Prover/z3 on Ubuntu 16.04, but the compiled file microsoft.z3.dll is installed in the project directory instead of the mono or GAC folder, and the programs do ...
mahdieh hejazi's user avatar
1 vote
0 answers
485 views

Installing z3 on Ubuntu 18.04

I installed Z3 on the mono in Ubuntu 18.04 according to the steps mentioned at https://github.com/Z3Prover/z3 and got the message of success, but Z3 does not work properly and it is not in the ...
mahdieh hejazi's user avatar
0 votes
1 answer
909 views

SIGSEGV when trying to launch Unity3D game

Here is the crash log when I try launching it via Steam, looks like something to do with the mono runtime, but I have confirmed that I have mono-runtime installed via the official 18.04.4 repository: ...
viral-94's user avatar
  • 131
1 vote
1 answer
221 views

Cannot open Pinta on my Ubuntu 16:04

I tried purging the application and installing again, but it didn't work. When I tried apt-get clean after removing Pinta again, here is the output: The following packages were automatically installed ...
Harsha's user avatar
  • 508
13 votes
4 answers
15k views

How to install Monodevelop in 20.04 and get it to build something?

I am trying to setup a development machine using 20.04 and am having problems with the Monodevelop environment. Whenever I create a solution and project it seems that it cannot find the proper build ...
sysrpl's user avatar
  • 261
5 votes
1 answer
5k views

KeePass and Ubuntu 2020 Setup (with Chrome, Firefox)?

I spent about a day and a half working through all the various and mostly out of date KeePass option for Ubuntu (Kubuntu). I want to share what I've found and ask for other answers regarding the many ...
alchemy's user avatar
  • 762
0 votes
1 answer
656 views

Cannot install Wine on Ubuntu 18.04 lts [duplicate]

After installing per the installation instructions from Wine: sudo dpkg --add-architecture i386 wget -nc https://dl.winehq.org/wine-builds/winehq.key sudo apt-key add winehq.key sudo apt-add-...
caribbeanblue's user avatar
1 vote
3 answers
2k views

error on install Community Server/ Document server onlyoffice

when try to install only office server based on there Installing Community Server for Debian, Ubuntu and derivatives so step by step until the latest command sudo apt-get install onlyoffice-...
Zaman Oof's user avatar
  • 229
1 vote
1 answer
5k views

How to load dll to C# in mono and run it

I have some Selenium test cases which were written in Windows. Now I want to run them in Ubuntu. I found a way to link my C# program and selenium dll using this solution, but I'm getting the following ...
Prasanth Ganesan's user avatar
0 votes
0 answers
194 views

Package system broken after installing mono [duplicate]

I was trying to install the latest version of mono... but now somehow my package manager is broken with the error: Error: Broken Count > 0. When I try to install any package using the software ...
Leftover Salad's user avatar
0 votes
1 answer
10k views

How can I host DayZ Standalone on a remote Linux server? I'm getting "Wine Mono is not installed"

I am trying to host a DayZ Standalone Server on Linux and I need Wine to run the EXE file. I have downloaded wine 2 different ways: Winehq and wine64 neither of which have worked. When I try to ...
ItzGoomig's user avatar
1 vote
0 answers
109 views

How to downgrade mono 3.12.1 to 3.0.0?

I got exception: System.IO.FileNotFoundException: Could not load file or assembly 'system.Windows.Forms, Version =3.5.0.0 ... I think that mono version 3.0.0 can solve the problem but I can't ...
nitz's user avatar
  • 11
6 votes
1 answer
13k views

How to develop for Android with Xamarin?

I want to develop applications for Android in C#. On Windows I tried Xamarin Studio and I was very happy with it. Is there a way to use Xamarin on Ubuntu? I noticed there are Xamarin.Android binaries ...
m93a's user avatar
  • 417
1 vote
0 answers
358 views

Cant install libmono-cil-dev

Can anyone help with the following? The following packages have unmet dependencies: libmono-cil-dev : Depends: libmono-http4.0-cil (= 5.18.1.0-0xamarin4+debian8b1) but it is not going to be ...
Nzbdroneer's user avatar
3 votes
0 answers
2k views

monodevelop error: libgluezilla not found

ubuntu19.04 disco, monodevelop 7.8.4(build 2) Using monodevelop, I created a new solution(form based gtk# gui application). I added a Windows.Forms.Webbrowser control to my Form1. When I start ...
Minori's user avatar
  • 373
1 vote
1 answer
1k views

System namespaces missing MonoDevelop on fresh install

I am wondering if anyone can help me, I did a fresh install of MonoDevelop on a fresh install of Ubuntu 18.04.2 LTS with .NET Core 2.2 installed (everything updated), then followed the instructions ...
BillyJoe's user avatar
  • 111
3 votes
1 answer
325 views

Is mono-devel needed?

Ubuntu 18.04, Cinnamon. Recently installed Pinta and it has that issue where it just crashes and closes. It's no longer supported unfortunately so searched and came up with a supposed fix. It was ...
Jim_HiTek's user avatar
  • 193

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