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MX on Linux: Difference between revisions
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→Preparing for Mono installation
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=== Preparing for Mono installation ===
Quite often when we try to install, or update, packages on our Pi we will see messages about dependencies, and in some cases error messages saying the installation has failed or been aborted. Before we can install Mono, there are other packages required and these depend upon which Raspbian operating system we have installed, see [https://www.mono-project.com/download/stable/#download-lin-raspbian Mono instructions for Raspberian]. Here are 2 of the options (if your Mono installation fails, then you selected wrong one):
For Raspberian 9 (stretch):
<pre>sudo apt install apt-transport-https dirmngr gnupg ca-certificates
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF▼
echo "deb https://download.mono-project.com/repo/debian stable-
sudo apt update▼
</pre>
For Raspberian 10 (buster):
<pre>sudo apt install apt-transport-https dirmngr gnupg ca-certificates
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
echo "deb https://download.mono-project.com/repo/debian stable-raspbianbuster main" | sudo tee /etc/apt/sources.list.d/mono-official-stable.list
sudo apt update</pre>
= old notes =
These comprehensive notes describe how to install Cumulus MX on a Pi Zero, using a PC to do some of the work:
* The previous anomaly with the USB library not working with later versions of mono, affecting Fine Offset stations and the later Oregon Scientific stations (WMR88/100/200 etc) has been fixed (''in CumulusMX build 3044 onwards'') and these and other stations should now be fine with later/current versions of mono. I am currently using a Fine Offset with mono v5.18
* Process is to install a security certificate, add the mono server to the list of software sources [sources.list] that the Pi searches, then install the mono-complete package:
<pre>sudo apt-get
▲sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
▲echo "deb https://download.mono-project.com/repo/debian stable-raspbianbuster main" | sudo tee /etc/apt/sources.list.d/mono-official-stable.list
▲sudo apt update
sudo apt-get install -y mono-complete
sudo apt autoremove</pre>
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