先执行下面的脚本：
# Get OS version info
source /etc/os-release
# Download Microsoft signing key and repository
wget https://packages.microsoft.com/config/$ID/$VERSION_ID/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
# Install Microsoft signing key and repository
sudo dpkg -i packages-microsoft-prod.deb
# Clean up
rm packages-microsoft-prod.deb
# Update packages
sudo apt update这组命令会把 微软 dotnet开发包的源加入到 ubuntu里面。
可以看到，/etc/apt/sources.list.d 下面多了个文件 microsoft-prod.list
cat /etc/apt/sources.list.d/microsoft-prod.list
deb [arch=amd64,arm64,armhf] https://packages.microsoft.com/ubuntu/22.04/prod jammy main
然后安装 dotnet-runtime-8.0 和 dotnet-sdk-8.0
sudo aptitude install dotnet-runtime-8.0
sudo aptitude install dotnet-sdk-8.0参考：
