DCV Viewer on Fedora 38 instalation error

Question

DCV Viewer on Fedora 38 instalation error

I’m trying to install the Nice DCV 2023 Client such that I can remote into my remote workstation. Several installers are available, for distros like Ret Hat, SUSE, Ubuntu, but not for Fedora.

Nevertheless, I expected that I could install the .rpm (RedHat) version, as that used to work for previous Fedora editions. I downloaded the Rat Hat 9, CentOS9, Rocky Linux 9 (x86_64) edition and installed it using:

[user@device] sudo dnf install 'nice-dcv-viewer-el9.x86_64.rpm'
Laatste metadata-expiratie-check: 0:11:14 geleden op wo 13 sep 2023 09:20:46 CEST.
Fout: 
 Probleem: tegenstrijdige verzoeken
  - nothing provides libicuuc.so.67()(64bit) needed by nice-dcv-viewer-2023.0.5629-1.el9.x86_64 from @commandline
(probeer '--skip-broken' toe te voegen om niet-installeerbare pakketten over te slaan)

which through an exception which I’m not familiar with, I’ll translate it to English:

[user@device] sudo dnf install 'nice-dcv-viewer-el9.x86_64.rpm'
lLast metadata-expiratie-check: 0:11:14 past on wen 13 sep 2023 09:20:46 CEST.
Error: 
 Problem: conflicting requests
  - nothing provides libicuuc.so.67()(64bit) needed by nice-dcv-viewer-2023.0.5629-1.el9.x86_64 from @commandline
(try to add '--skip-broken' to skip uninstallable packages)

I think that it means that dnf has no way to install the prerequisite libicuuc.so of version 67.

I did try the other installers, hoping that one of them either ships with the prerequisite or does not require it altogether, but no luck.

Does anyone know how to obtain the prerequisite or how to avoid it and successfully install the DCV viewer?

Asked By: aijLag

||

Source

Answer 1

Nevertheless, I expected that I could install the .rpm (RedHat) version, as that used to work for previous Fedora editions.

That worked only by luck. Fedora is not binary compatible.

You typically solve this by simply setting up a podman container with access to your host’s display, based on an actually binary compatible distro, and install things there.

Answered By: Marcus Müller

Answer 2

The answer from @MarcusMüller helped to the right track. The following procedure should help install Nice DCV viewer on Fedora. A similar approach should also work on other unsupported platforms.

Install toolboxand podman if not preinstalled using sudo dnf install toolbox podman
Download Nice DCV viewer installer for Ubuntu 22.04 from the official website.
Create a podman container with Ubuntu 22.04 which is a supported platform
- Create a file named Dockerfile in your home directory
- Add the following text to that file
```
FROM docker.io/ubuntu:22.04
RUN apt-get update; apt-get -y install libcap2-bin; apt-get clean
```
- Create the required image with podman
```
podman build -t ubuntu-toolbox .
```
- Create the toolbox
```
toolbox create --image ubuntu-toolbox ubuntu-toolbox
```
Install Nice DCV viewer in the toolbox
- Enter the toolbox
```
toolbox enter ubuntu-toolbox
```
- Navigate to the downloads folder
```
cd Downloads
```
- Obtain superuser rights (I had sudo problems thus used su)
```
su
```
- Install the Nice DCV viewer
```
dpkg -i nice-dcv-viewer_amd64.ubuntu2204.deb
```
- If any errors occur, one might have to repair the apt environment, and then try installing the program again.
```
sudo apt-get install --fix-broken
```
- Test launching the program with the command, the program should then open with its normal UI.
```
dcvviewer
```
- Exit the container using the exit command twice or start a new cli.

Make a desktop entry that automatically lauches the program that is within the container.

Run the following command to start Nice DCV from fedora to test the setup
```
toolbox run -c ubuntu-toolbox dcvviewer
```

Create a desktop entry by creating a text file named com.nicesoftware.DcvViewer.desktop at ~/.local/share/applications containing the following:

[Desktop Entry]
Name=NICE DCV Viewer
Comment=NICE DCV Viewer
Exec=toolbox run -c ubuntu-toolbox dcvviewer %U
TryExec=dcvviewer
Terminal=false
Type=Application
Icon=remote-desktop
MimeType=application/x-dcv;x-scheme-handler/dcv
Categories=GNOME;GTK;Network;
Hidden=false
NoDisplay=false
StartupNotify=false

That’s it, you should be able to find it in your applications’ menu now.

Answered By: aijLag