Wednesday, August 17, 2016

Amazon EC2 Technical FAQs

https://aws.amazon.com/items/1145?externalID=1145&categoryID=100


What do you need from me when I report an issue?

Aim to provide enough information so that follow-up or clarification questions aren't necessary. Include details about the request you are making and the response you are receiving. Posting the actual request and error response is always helpful. In particular, when troubleshooting be sure to include the following details:
General Inquires
  • Please provide both the instance id in addition to the approximate timestamp and time zone when issue occurred.
Networking
  • Instance-ID(s) Involved
  • Is connection being made from within or outside of EC2?
  • Source IP address from which connection was attempted?
  • Was DNS name or the IP address used to connect?
  • Which destination port/service failed?
  • Timestamp and timezone of failure(s)?
  • Traceroute from source->destination and destination->source (preferably using the protocol and port which is failing, rather than the default ICMP/UDP, e.g. traceroute -T on some distros).
Image registration
  • Please provide the location in Amazon S3 of your manifest file (ends in .manifest or .manifest.xml).
Image launch
  • Please provide the AMI ID and the results of ec2-get-console-output.
Instance network
  • Please provide the results of netstat -nr from within your instance.
Amazon EC2 web service requests
  • Please provide the results of a traceroute to ec2.amazonaws.com, the output of ec2-version, and the output generated by command in question (e.g. ec2-describe-instances) reattempted with the -v flag.
AMI tool commands
  • Please provide the version of tools installed.
  • RPM installation - run rpm -q ec2-ami-tools.
Access to instance
  • Please provide the results of ec2-describe-groups for any security group the instance is running in and the results of ec2-describe-instance for the instance in question.Please provide the results of ec2-describe-groups for any security group the instance is running in and the results of ec2-describe-instance for the instance in question.

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