Name: Dotnet Install
Author: rysweet

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Dotnet Install | Skills Pool

# Install .NET 8 SDK (LTS)
winget install Microsoft.DotNet.SDK.8

# Verify installation
dotnet --version
# Output: 8.0.100

# Download and install from:
# https://dotnet.microsoft.com/download/dotnet/8.0

# Or use Homebrew:
brew install dotnet

# Verify installation
dotnet --version
# Output: 8.0.100

# Add Microsoft package repository
wget https://packages.microsoft.com/config/ubuntu/22.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
sudo dpkg -i packages-microsoft-prod.deb
rm packages-microsoft-prod.deb

# Install .NET 8 SDK
sudo apt-get update
sudo apt-get install -y dotnet-sdk-8.0

# Verify installation
dotnet --version
# Output: 8.0.100

# Install SDK (includes runtime)
sudo apt-get install dotnet-sdk-8.0

# Install runtime only (smaller)
sudo apt-get install aspnetcore-runtime-8.0  # For ASP.NET Core apps
sudo apt-get install dotnet-runtime-8.0      # For console apps

# List available .NET versions
winget search Microsoft.DotNet.SDK

# Install .NET 8 SDK (LTS)
winget install Microsoft.DotNet.SDK.8

# Install specific version
winget install Microsoft.DotNet.SDK.8 --version 8.0.100

# Update existing installation
winget upgrade Microsoft.DotNet.SDK.8

# Visual Studio 2022 detected at: C:\Program Files\Visual Studio\2022\Community
# .NET 8 SDK available via: Modify Installation → .NET desktop development

# Download: https://dotnet.microsoft.com/download/dotnet/8.0
# File: dotnet-sdk-8.0.100-win-x64.exe
# SHA512: [verification hash]

# Run installer (GUI)
.\dotnet-sdk-8.0.100-win-x64.exe

# Or silent install
.\dotnet-sdk-8.0.100-win-x64.exe /install /quiet /norestart

# Download install script
Invoke-WebRequest -Uri https://dot.net/v1/dotnet-install.ps1 -OutFile dotnet-install.ps1

# Install latest .NET 8 SDK
.\dotnet-install.ps1 -Channel 8.0

# Install to custom location
.\dotnet-install.ps1 -Channel 8.0 -InstallDir "C:\Program Files\dotnet"

# Install runtime only
.\dotnet-install.ps1 -Channel 8.0 -Runtime dotnet

# Detected: Apple Silicon (arm64)
# Recommended: dotnet-sdk-8.0.100-osx-arm64.pkg

# Download from: https://dotnet.microsoft.com/download/dotnet/8.0
# Double-click .pkg file to install

# Verify installation location
which dotnet
# Output: /usr/local/share/dotnet/dotnet

# Install Homebrew (if needed)
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

# Install .NET SDK
brew install dotnet

# Install specific version (if available)
brew install dotnet@8

# Update existing installation
brew upgrade dotnet

# Download install script
curl -sSL https://dot.net/v1/dotnet-install.sh -o dotnet-install.sh
chmod +x dotnet-install.sh

# Install latest .NET 8 SDK
./dotnet-install.sh --channel 8.0

# Install to custom location
./dotnet-install.sh --channel 8.0 --install-dir ~/.dotnet

# Add to PATH
echo 'export PATH="$HOME/.dotnet:$PATH"' >> ~/.zshrc
source ~/.zshrc

# Ubuntu 22.04 LTS
wget https://packages.microsoft.com/config/ubuntu/22.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
sudo dpkg -i packages-microsoft-prod.deb
rm packages-microsoft-prod.deb

# Ubuntu 20.04 LTS
wget https://packages.microsoft.com/config/ubuntu/20.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
sudo dpkg -i packages-microsoft-prod.deb
rm packages-microsoft-prod.deb

# Install SDK
sudo apt-get update
sudo apt-get install -y dotnet-sdk-8.0

# Install runtime only
sudo apt-get install -y aspnetcore-runtime-8.0

# Fedora 39
sudo dnf install dotnet-sdk-8.0

# RHEL/CentOS (register Microsoft repository first)
sudo dnf install https://packages.microsoft.com/config/rhel/9/packages-microsoft-prod.rpm
sudo dnf install dotnet-sdk-8.0

# Install from official repositories
sudo pacman -S dotnet-sdk

# Install runtime only
sudo pacman -S aspnet-runtime

# Add Microsoft repository
wget https://dot.net/v1/dotnet-install.sh
chmod +x dotnet-install.sh

# Install .NET 8
./dotnet-install.sh --channel 8.0 --install-dir /usr/share/dotnet

# Add to PATH
export PATH="$PATH:/usr/share/dotnet"

# Create global.json for .NET 8
dotnet new globaljson --sdk-version 8.0.100

# View current global.json
cat global.json

{
  "sdk": {
    "version": "8.0.100",
    "rollForward": "latestPatch"
  }
}

.NET SDK 8.0.100
├── Runtime (8.0.0)
├── Compiler (Roslyn)
├── CLI Tools (dotnet build, run, publish)
├── Templates (dotnet new)
└── MSBuild

.NET Runtime 8.0.0
├── CoreCLR (execution engine)
├── Base Class Libraries
└── Framework assemblies

# List all installed SDKs
dotnet --list-sdks
# Output:
# 6.0.420 [/usr/local/share/dotnet/sdk]
# 7.0.410 [/usr/local/share/dotnet/sdk]
# 8.0.100 [/usr/local/share/dotnet/sdk]

# Install additional versions
sudo apt-get install dotnet-sdk-7.0  # Adds to existing installation

# Project selects version via global.json
cd my-project
cat global.json
# { "sdk": { "version": "7.0.410" } }

dotnet --version
# Output: 7.0.410 (selected by global.json)

# Download offline installer
# https://dotnet.microsoft.com/download/dotnet/8.0
# Select: x64 | Binaries

# Extract to destination
Expand-Archive dotnet-sdk-8.0.100-win-x64.zip -DestinationPath "C:\Program Files\dotnet"

# Add to PATH
$env:PATH = "C:\Program Files\dotnet;$env:PATH"
[Environment]::SetEnvironmentVariable("PATH", $env:PATH, "Machine")

# Download tarball
wget https://download.visualstudio.microsoft.com/download/pr/[hash]/dotnet-sdk-8.0.100-linux-x64.tar.gz

# Extract to system location
sudo mkdir -p /usr/local/share/dotnet
sudo tar -xzf dotnet-sdk-8.0.100-linux-x64.tar.gz -C /usr/local/share/dotnet

# Create symlink
sudo ln -s /usr/local/share/dotnet/dotnet /usr/local/bin/dotnet

# Use official .NET SDK image
FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
WORKDIR /app

# Copy and restore project
COPY *.csproj ./
RUN dotnet restore

# Build application
COPY . ./
RUN dotnet publish -c Release -o out

# Runtime image (smaller)
FROM mcr.microsoft.com/dotnet/aspnet:8.0
WORKDIR /app
COPY --from=build /app/out .
ENTRYPOINT ["dotnet", "MyApp.dll"]

# Verify dotnet location
which dotnet  # macOS/Linux
where.exe dotnet  # Windows

# If not found, add to PATH manually:

# macOS/Linux (bash)
echo 'export PATH="$PATH:/usr/local/share/dotnet"' >> ~/.bashrc
source ~/.bashrc

# macOS (zsh)
echo 'export PATH="$PATH:/usr/local/share/dotnet"' >> ~/.zshrc
source ~/.zshrc

# Windows (PowerShell)
$env:PATH = "$env:PATH;C:\Program Files\dotnet"

# Check installation location
dotnet --info
# Look for "Base Path:" in output

# Register installation manually (Linux)
sudo ln -s /usr/local/share/dotnet/dotnet /usr/bin/dotnet

# Clear NuGet cache if corrupted
dotnet nuget locals all --clear

# Remove specific SDK version
sudo apt-get remove dotnet-sdk-7.0  # Linux
winget uninstall Microsoft.DotNet.SDK.7  # Windows

# Force project to use available SDK
# Edit global.json:
{
  "sdk": {
    "version": "8.0.100",
    "rollForward": "latestMinor"  # More permissive
  }
}

Dotnet Install

.NET Installation Skill

Quick Start

Check Current Installation

Platform Detection

Dotnet Install

.NET Installation Skill

Quick Start

Check Current Installation

Platform Detection

Quick Install (Recommended Methods)

SDK vs Runtime Decision

Practical Guide

Windows Installation Methods

Method 1: WinGet (Recommended)

Method 2: Visual Studio Installer

Method 3: Standalone Installer

Method 4: PowerShell Script

macOS Installation Methods

Method 1: Official Installer Package (Recommended)

Method 2: Homebrew

Method 3: Install Script

Linux Installation Methods

Ubuntu/Debian

Fedora/RHEL/CentOS

Arch Linux

Alpine Linux

Version Management with global.json

Deep Dive

SDK vs Runtime Architecture

Installing Multiple Versions Side-by-Side

Offline Installation

Windows

Linux

Docker Installation

Common Troubleshooting

PATH Not Updated

SDK Not Found After Installation

Version Conflicts

References

Github

Openclaw Parallels Smoke

Update Screenshots

Azure Pipelines

Deployment Patterns

Deployment Patterns