Command line to install/upgrade .NET Core
asp.net Core.Net Coreasp.net Core Problem Overview
Are there command line commands to install or upgrade .NET Core?
I checked to see if I had .NET Core was installed on my computer using dotnet --version only to notice that I still had the preview version installed on my computer. I was wondering if I could issue some commands to upgrade it to the latest version.
asp.net Core Solutions
Solution 1 - asp.net Core
There is no dotnet command to update .Net Core. Instead, you should use the same approach you used to install it in the first place, which depends on your OS.
Solution 2 - asp.net Core
Not promoted officially but it looks like there are approved packages on Chocolatey for .NET Core SDK.
https://chocolatey.org/packages/dotnetcore-sdk
Example:
> choco install dotnetcore-sdk
Or:
> choco upgrade dotnetcore-sdk
Update (December 2020): For .NET 5 the chocolatey package has changed since it's not technically branded as .NET Core any longer.
https://chocolatey.org/packages/dotnet-sdk/
Example:
> choco install dotnet-sdk
Or:
> choco upgrade dotnet-sdk
Solution 3 - asp.net Core
For those who find this on search, there are dotnet-install scripts you can use. For example:
# Windows PowerShell
Invoke-WebRequest -Uri https://dot.net/v1/dotnet-install.ps1 -OutFile "$env:temp/dotnet-install.ps1"; powershell -executionpolicy bypass "$env:temp/dotnet-install.ps1"
# PowerShell Core
Invoke-WebRequest -Uri https://dot.net/v1/dotnet-install.ps1 -OutFile "$env:temp/dotnet-install.ps1"; pwsh "$env:temp/dotnet-install.ps1"
# Shell
wget https://dot.net/v1/dotnet-install.sh && chmod +x ./dotnet-install.sh && sudo ./dotnet-install.sh
* Note the default install location for these is different than the official installers; as said in another answer the easiest path to update is to use the same method you first installed with.
Solution 4 - asp.net Core
If you have WinGet, then you can use it to install (or update) .NET Core or .NET 5:
winget install Microsoft.dotnet
winget install Microsoft.dotnetPreview
Run from an admin prompt
Solution 5 - asp.net Core
Just a heads up so you (or other people) don't struggle for hours as I did.
.NET Core 1.1.0 ships with SDK 1.0.0 Preview 2 (when this is written), but you need SDK 1.0.0 Preview 3.
Download and install .NET Core 1.1.0 as @svick suggested, then download and install SDK Preview 3 from: https://github.com/dotnet/core/blob/master/release-notes/preview3-download.md