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0

I'm trying to figure out a deployment strategy for our RHEL server with .NET Core microservices.

I was hoping that we could use a .NET Core runtime on our production systems rather than an "SDK" version. The idea being that the runtime has less of an attack surface than perhaps the SDK would.

When I investigate the two options it seems I am downloading the exact same package:

yum install rh-dotnet22 -y

Why does Microsoft even bother making the distinction here? Is there something I'm unaware of? Is there a way to get runtimes only as opposed to SDKs?

security .net-core rhel

share|improve this question

edited Mar 26 at 17:01

Matthew

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asked Mar 26 at 16:28

James ScottJames Scott

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• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Bit of a tangent, but if you are looking for "microservices", you probably want to use containers? And there are Red Hat-supported containers available: access.redhat.com/documentation/en-us/net_core/2.2/html/…
  
  – Omair Majid
  Mar 26 at 20:05
  

  
  
  
  

add a comment | 

0

I'm trying to figure out a deployment strategy for our RHEL server with .NET Core microservices.

I was hoping that we could use a .NET Core runtime on our production systems rather than an "SDK" version. The idea being that the runtime has less of an attack surface than perhaps the SDK would.

When I investigate the two options it seems I am downloading the exact same package:

yum install rh-dotnet22 -y

Why does Microsoft even bother making the distinction here? Is there something I'm unaware of? Is there a way to get runtimes only as opposed to SDKs?

security .net-core rhel

share|improve this question

edited Mar 26 at 17:01

Matthew

17.6k55 gold badges5252 silver badges8383 bronze badges

asked Mar 26 at 16:28

James ScottJames Scott

34033 silver badges1717 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Bit of a tangent, but if you are looking for "microservices", you probably want to use containers? And there are Red Hat-supported containers available: access.redhat.com/documentation/en-us/net_core/2.2/html/…
  
  – Omair Majid
  Mar 26 at 20:05
  

  
  
  
  

add a comment | 

I'm trying to figure out a deployment strategy for our RHEL server with .NET Core microservices.

I was hoping that we could use a .NET Core runtime on our production systems rather than an "SDK" version. The idea being that the runtime has less of an attack surface than perhaps the SDK would.

When I investigate the two options it seems I am downloading the exact same package:

yum install rh-dotnet22 -y

Why does Microsoft even bother making the distinction here? Is there something I'm unaware of? Is there a way to get runtimes only as opposed to SDKs?

security .net-core rhel

share|improve this question

edited Mar 26 at 17:01

Matthew

17.6k55 gold badges5252 silver badges8383 bronze badges

asked Mar 26 at 16:28

James ScottJames Scott

34033 silver badges1717 bronze badges

yum install rh-dotnet22 -y

share|improve this question

edited Mar 26 at 17:01

Matthew

17.6k55 gold badges5252 silver badges8383 bronze badges

asked Mar 26 at 16:28

James ScottJames Scott

34033 silver badges1717 bronze badges

share|improve this question

edited Mar 26 at 17:01

Matthew

17.6k55 gold badges5252 silver badges8383 bronze badges

asked Mar 26 at 16:28

James ScottJames Scott

34033 silver badges1717 bronze badges

edited Mar 26 at 17:01

Matthew

17.6k55 gold badges5252 silver badges8383 bronze badges

edited Mar 26 at 17:01

Matthew

17.6k55 gold badges5252 silver badges8383 bronze badges

asked Mar 26 at 16:28

James ScottJames Scott

34033 silver badges1717 bronze badges

asked Mar 26 at 16:28

James ScottJames Scott

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2 Answers
2

active

oldest

votes

1

yum install rh-dotnet22-dotnet-runtime-2.2 

This should do what you want. I will try and work with Microsoft to get the docs updated and I will ask our RHEL 7 docs to be updated too.

share|improve this answer

answered Mar 26 at 17:39

Omair MajidOmair Majid

4,5142222 silver badges3434 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you I'm going to try this now :-)
  
  – James Scott
  Mar 26 at 17:57
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks again for this info! You saved me and the team alot of time. WOW.
  
  – James Scott
  Mar 26 at 19:38
  

  
  
  
  

add a comment | 

0

The distinction is what you say, if you just want to run applications you can install just the runtime.

If you want to build applications, you can install the SDK, which also includes the runtime.

On the website it does indeed look like both refer to the same package:
https://dotnet.microsoft.com/download/linux-package-manager/rhel/sdk-current
https://dotnet.microsoft.com/download/linux-package-manager/rhel/runtime-current

Either they messed up the instructions, or they just offer the one.

Looking at the Dockerfile for a RHEL dotnet runtime container you can see the steps required to install the runtime only:

https://github.com/redhat-developer/s2i-dotnetcore/blob/f344b26d956638600302b115fcc6693682f592b2/2.2/runtime/Dockerfile.rhel7#L51

The package for the runtime only looks to be rh-dotnet22-dotnet-runtime-2.2, but I'm not familiar with RHEL so I can't tell you whether that's all you need.

EDIT:
Updated link with input from Omair Majid

share|improve this answer

edited Mar 26 at 18:55

answered Mar 26 at 16:51

MatthewMatthew

17.6k55 gold badges5252 silver badges8383 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  thanks for the quick response. When I look at that example Dockerfile it seems its pulling from a CentOS image. When reviewing the instructions from Red Hat side of things it recommends microservices based off of their rhel base image... I'm going to keep digging around and see what else I learn... To be clear: We are using bare-metal services at this point, and not containers but ya the concept should definitely apply... Maybe I can find more info from their Dockerfile (if there is one)
  
  – James Scott
  Mar 26 at 17:27
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Just add a .rhel7 suffix to the dockerfile link: github.com/redhat-developer/s2i-dotnetcore/blob/… to see the version based on RHEL container images.
  
  – Omair Majid
  Mar 26 at 17:32
  
  

  
  
  
  

add a comment | 

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1

yum install rh-dotnet22-dotnet-runtime-2.2 

This should do what you want. I will try and work with Microsoft to get the docs updated and I will ask our RHEL 7 docs to be updated too.

share|improve this answer

answered Mar 26 at 17:39

Omair MajidOmair Majid

4,5142222 silver badges3434 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you I'm going to try this now :-)
  
  – James Scott
  Mar 26 at 17:57
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks again for this info! You saved me and the team alot of time. WOW.
  
  – James Scott
  Mar 26 at 19:38
  

  
  
  
  

add a comment | 

1

yum install rh-dotnet22-dotnet-runtime-2.2 

This should do what you want. I will try and work with Microsoft to get the docs updated and I will ask our RHEL 7 docs to be updated too.

share|improve this answer

answered Mar 26 at 17:39

Omair MajidOmair Majid

4,5142222 silver badges3434 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you I'm going to try this now :-)
  
  – James Scott
  Mar 26 at 17:57
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks again for this info! You saved me and the team alot of time. WOW.
  
  – James Scott
  Mar 26 at 19:38
  

  
  
  
  

add a comment | 

yum install rh-dotnet22-dotnet-runtime-2.2 

This should do what you want. I will try and work with Microsoft to get the docs updated and I will ask our RHEL 7 docs to be updated too.

share|improve this answer

answered Mar 26 at 17:39

Omair MajidOmair Majid

4,5142222 silver badges3434 bronze badges

yum install rh-dotnet22-dotnet-runtime-2.2 

share|improve this answer

answered Mar 26 at 17:39

Omair MajidOmair Majid

4,5142222 silver badges3434 bronze badges

answered Mar 26 at 17:39

Omair MajidOmair Majid

4,5142222 silver badges3434 bronze badges

answered Mar 26 at 17:39

Omair MajidOmair Majid

4,5142222 silver badges3434 bronze badges

0

The distinction is what you say, if you just want to run applications you can install just the runtime.

If you want to build applications, you can install the SDK, which also includes the runtime.

On the website it does indeed look like both refer to the same package:
https://dotnet.microsoft.com/download/linux-package-manager/rhel/sdk-current
https://dotnet.microsoft.com/download/linux-package-manager/rhel/runtime-current

Either they messed up the instructions, or they just offer the one.

Looking at the Dockerfile for a RHEL dotnet runtime container you can see the steps required to install the runtime only:

https://github.com/redhat-developer/s2i-dotnetcore/blob/f344b26d956638600302b115fcc6693682f592b2/2.2/runtime/Dockerfile.rhel7#L51

The package for the runtime only looks to be rh-dotnet22-dotnet-runtime-2.2, but I'm not familiar with RHEL so I can't tell you whether that's all you need.

EDIT:
Updated link with input from Omair Majid

share|improve this answer

edited Mar 26 at 18:55

answered Mar 26 at 16:51

MatthewMatthew

17.6k55 gold badges5252 silver badges8383 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  thanks for the quick response. When I look at that example Dockerfile it seems its pulling from a CentOS image. When reviewing the instructions from Red Hat side of things it recommends microservices based off of their rhel base image... I'm going to keep digging around and see what else I learn... To be clear: We are using bare-metal services at this point, and not containers but ya the concept should definitely apply... Maybe I can find more info from their Dockerfile (if there is one)
  
  – James Scott
  Mar 26 at 17:27
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Just add a .rhel7 suffix to the dockerfile link: github.com/redhat-developer/s2i-dotnetcore/blob/… to see the version based on RHEL container images.
  
  – Omair Majid
  Mar 26 at 17:32
  
  

  
  
  
  

add a comment | 

0

The distinction is what you say, if you just want to run applications you can install just the runtime.

If you want to build applications, you can install the SDK, which also includes the runtime.

On the website it does indeed look like both refer to the same package:
https://dotnet.microsoft.com/download/linux-package-manager/rhel/sdk-current
https://dotnet.microsoft.com/download/linux-package-manager/rhel/runtime-current

Either they messed up the instructions, or they just offer the one.

Looking at the Dockerfile for a RHEL dotnet runtime container you can see the steps required to install the runtime only:

https://github.com/redhat-developer/s2i-dotnetcore/blob/f344b26d956638600302b115fcc6693682f592b2/2.2/runtime/Dockerfile.rhel7#L51

The package for the runtime only looks to be rh-dotnet22-dotnet-runtime-2.2, but I'm not familiar with RHEL so I can't tell you whether that's all you need.

EDIT:
Updated link with input from Omair Majid

share|improve this answer

edited Mar 26 at 18:55

answered Mar 26 at 16:51

MatthewMatthew

17.6k55 gold badges5252 silver badges8383 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  thanks for the quick response. When I look at that example Dockerfile it seems its pulling from a CentOS image. When reviewing the instructions from Red Hat side of things it recommends microservices based off of their rhel base image... I'm going to keep digging around and see what else I learn... To be clear: We are using bare-metal services at this point, and not containers but ya the concept should definitely apply... Maybe I can find more info from their Dockerfile (if there is one)
  
  – James Scott
  Mar 26 at 17:27
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Just add a .rhel7 suffix to the dockerfile link: github.com/redhat-developer/s2i-dotnetcore/blob/… to see the version based on RHEL container images.
  
  – Omair Majid
  Mar 26 at 17:32
  
  

  
  
  
  

add a comment | 

The distinction is what you say, if you just want to run applications you can install just the runtime.

If you want to build applications, you can install the SDK, which also includes the runtime.

On the website it does indeed look like both refer to the same package:
https://dotnet.microsoft.com/download/linux-package-manager/rhel/sdk-current
https://dotnet.microsoft.com/download/linux-package-manager/rhel/runtime-current

Either they messed up the instructions, or they just offer the one.

Looking at the Dockerfile for a RHEL dotnet runtime container you can see the steps required to install the runtime only:

https://github.com/redhat-developer/s2i-dotnetcore/blob/f344b26d956638600302b115fcc6693682f592b2/2.2/runtime/Dockerfile.rhel7#L51

The package for the runtime only looks to be rh-dotnet22-dotnet-runtime-2.2, but I'm not familiar with RHEL so I can't tell you whether that's all you need.

EDIT:
Updated link with input from Omair Majid

share|improve this answer

edited Mar 26 at 18:55

answered Mar 26 at 16:51

MatthewMatthew

17.6k55 gold badges5252 silver badges8383 bronze badges

share|improve this answer

edited Mar 26 at 18:55

answered Mar 26 at 16:51

MatthewMatthew

17.6k55 gold badges5252 silver badges8383 bronze badges

answered Mar 26 at 16:51

MatthewMatthew

17.6k55 gold badges5252 silver badges8383 bronze badges

answered Mar 26 at 16:51

MatthewMatthew

17.6k55 gold badges5252 silver badges8383 bronze badges