Hi Justin,
When you completed Unit 3 Exercise - Create an Azure virtual machine did NGINX install successfully? NGINX is required so that the curl command will work in Unit 9 Exercise - Configure network access.
I tested last week and was able to complete exercise successfully. Please see screenshots below:
Please Activate a new sandbox, complete Unit 3 exercise, then jump to Unit 9 Exercise and complete it.
If you would like to troubleshoot using SSH to the VM, enter below command in your sandbox cloud shell, then enter yes when prompted:
ssh azureuser@$IPADDRESS
See screenshot (I manually entered IP address instead of using $IPADDRESS):
Once you have successfully connected to the VM using SSH, you can run below command to check if NGINX is running:
sudo service nginx status
Please click Accept Answer and upvote if the above was helpful.
Thanks.
-TP