如何通过Terminal在SSH环境下安装Visual Studio for Mac？

Hey there, let's work through this to get your C# compiling up and running via SSH on your Mac. Since you're working entirely in the terminal (no GUI), we'll need to handle the .dmg installation and setup through command-line tools. Here's a step-by-step breakdown:

First, we need to mount the downloaded Visual Studio for Mac .dmg in terminal-only mode:

• Create a mount point directory (we'll use this to access the dmg contents):

  mkdir -p /Volumes/VSforMac
  

• Mount the dmg file to this directory (replace /path/to/your/VisualStudio.dmg with the actual path to your file):

  hdiutil attach /path/to/your/VisualStudio.dmg -mountpoint /Volumes/VSforMac -nobrowse
  

  The -nobrowse flag prevents Finder from popping up (which we don't need in SSH).
• Verify the mount worked by listing the contents:

  ls /Volumes/VSforMac
  

  You should see something like Visual Studio Installer.app in the output.

Visual Studio for Mac's installer supports command-line arguments for headless (GUI-less) installation. We'll specify the core components needed for C# compilation:

• Navigate to the installer's executable directory:

  cd /Volumes/VSforMac/Visual\ Studio\ Installer.app/Contents/MacOS
  

• Run the installer with the required components (this includes Mono, which provides the mcs compiler):

  sudo ./Installer --install --components MonoFramework-MDK,MonoFramework-MDK.mcs,VisualStudioMac-Core,VisualStudioMac-CSharp
  

  • MonoFramework-MDK: The core Mono runtime and SDK (includes mcs)
  • VisualStudioMac-Core: Basic VS for Mac core functionality
  • VisualStudioMac-CSharp: C# language support
• Let the installer run—this can take a while, so make sure your SSH session stays active (use screen or tmux if you're worried about disconnecting).

Once installation finishes, we need to make sure mcs is available in your terminal's PATH:

• Unmount the .dmg file:

  hdiutil detach /Volumes/VSforMac
  

• Check the Mono installation path (it's usually at /Library/Frameworks/Mono.framework/Versions/Current/bin). Add this to your PATH temporarily to test:

  export PATH="/Library/Frameworks/Mono.framework/Versions/Current/bin:$PATH"
  

• To make this permanent, edit your shell configuration file (.bash_profile for Bash, .zshrc for Zsh):

  nano ~/.zshrc  # or ~/.bash_profile
  

  Add the same export PATH=... line at the bottom, save (Ctrl+O) and exit (Ctrl+X). Then reload the config:

  source ~/.zshrc  # or source ~/.bash_profile
  

• Test if mcs works:

  mcs --version
  

  If you see version output, you're good to go!

If you only need to compile C# code and don't want the full IDE, you can skip VS for Mac entirely:

• Option 1: Install .NET SDK (modern C# support)
  Download the .NET SDK .pkg and install via terminal:

  # Replace with the latest .NET SDK URL for macOS
  curl -O https://download.visualstudio.microsoft.com/download/pr/abc123/dotnet-sdk-7.0.400-osx-x64.pkg
  sudo installer -pkg dotnet-sdk-7.0.400-osx-x64.pkg -target /
  

  Then add .NET to your PATH:

  export PATH="$HOME/.dotnet:$PATH"
  

  Use dotnet build or dotnet run to compile/run C# code instead of mcs.

• Option 2: Install Mono only (for mcs specifically)
  If you already have Homebrew installed, this is quick:

  brew install mono
  

  This will set up mcs in your PATH automatically.

• Permission errors: Make sure you use sudo when running the installer or modifying system paths.
• mcs not found: Double-check the Mono path is added to your PATH, and restart your terminal if needed.
• Headless installation fails: Check the installer logs at ~/Library/Logs/VisualStudioInstaller/ to find specific error messages.

内容的提问来源于stack exchange，提问作者Phannakan