Tweak copy re Stack Overflow / Server Fault / other SE network sites (#38824)

* Tweak copy re Stack Overflow / Server Fault / other SE network sites

* Update content/en/docs/tasks/debug/_index.md

Co-authored-by: Tim Bannister <[email protected]>

* Update content/en/docs/tasks/debug/_index.md

Co-authored-by: Tim Bannister <[email protected]>

* Update content/en/docs/tasks/debug/_index.md

Co-authored-by: Tim Bannister <[email protected]>

* Update content/en/docs/tasks/debug/_index.md

Co-authored-by: Tim Bannister <[email protected]>

Co-authored-by: Tim Bannister <[email protected]>

Author: MaxHorstmann

content/en/docs/tasks/debug/_index.md

@@ -43,14 +43,32 @@ and command-line interfaces (CLIs), such as [`kubectl`](/docs/reference/kubectl/
 
 ## Help! My question isn't covered!  I need help now!
 
-### Stack Overflow
+### Stack Exchange, Stack Overflow, or Server Fault {#stack-exchange}
 
-Someone else from the community may have already asked a similar question or may
-be able to help with your problem. The Kubernetes team will also monitor
+If you have questions related to *software development* for your containerized app,
+you can ask those on [Stack Overflow](https://stackoverflow.com/questions/tagged/kubernetes).
+
+If you have Kubernetes questions related to *cluster management* or *configuration*,
+you can ask those on
+[Server Fault](https://serverfault.com/questions/tagged/kubernetes).
+
+There are also several more specific Stack Exchange network sites which might
+be the right place to ask Kubernetes questions in areas such as
+[DevOps](https://devops.stackexchange.com/questions/tagged/kubernetes), 
+[Software Engineering](https://softwareengineering.stackexchange.com/questions/tagged/kubernetes),
+or [InfoSec](https://security.stackexchange.com/questions/tagged/kubernetes).
+
+Someone else from the community may have already asked a similar question or 
+may be able to help with your problem.
+
+The Kubernetes team will also monitor
 [posts tagged Kubernetes](https://stackoverflow.com/questions/tagged/kubernetes).
-If there aren't any existing questions that help, **please [ensure that your question is on-topic on Stack Overflow](https://stackoverflow.com/help/on-topic)
-and that you read through the guidance on [how to ask a new question](https://stackoverflow.com/help/how-to-ask)**,
-before [asking a new one](https://stackoverflow.com/questions/ask?tags=kubernetes)!
+If there aren't any existing questions that help, **please ensure that your question 
+is [on-topic on Stack Overflow](https://stackoverflow.com/help/on-topic),
+[Server Fault](https://serverfault.com/help/on-topic), or the Stack Exchange 
+Network site you're asking on**, and read through the guidance on 
+[how to ask a new question](https://stackoverflow.com/help/how-to-ask),
+before asking a new one!
 
 ### Slack