The package mono-complete should be installed to install everything - this should cover most cases of 'assembly not found' errors. The package mono-devel should be installed to compile code.

Sudo apt install apt-transport-https ca-certificatesĮcho 'deb stable-xenial main' | sudo tee /etc/apt//mono-official-stable.list Sudo apt update Ubuntu 18.04 (i386, amd64, armhf, arm64, ppc64el) sudo apt install ca-certificates gnupgĮcho 'deb stable-bionic main' | sudo tee /etc/apt//mono-official-stable.list Sudo gpg -homedir /tmp -no-default-keyring -keyring /usr/share/keyrings/mono-official-archive-keyring.gpg -keyserver hkp://:80 -recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EFĮcho 'deb stable-focal main' | sudo tee /etc/apt//mono-official-stable.list Ubuntu 20.04 (amd64, armhf, arm64, ppc64el) sudo apt install ca-certificates gnupg Note: the packages should work on newer Ubuntu versions too but we only test the ones listed below. The package repository hosts the packages you need, add it with the following commands.

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