How To Convert from AWS Instance Family t2 to t3 with Enhanced Networking on Amazon Linux 1

Author: , June 10th, 2021

I wanted to change instance type from t2 to t3, but got an error when i went to start the instance:

I found this AWS docs page: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking-ena.html Below are the steps I need to follow on AWS Linux 1. Summary Steps Pre-flight tests on t2 modinfo ena -> see “ERROR: modinfo: could not […]

How To Find the AWS Region and Availability Zone Via the CLI

Author: , June 30th, 2015

/opt/aws/bin/ec2-metadata | grep placement

How To Fix Broken Boot After Yum Update On Amazon Linux

Author: , January 20th, 2012

Stop the instance first…YMMV:

http://aws.amazon.com/amazon-linux-ami/latest-release-notes/

Automating Amazon EC2 Instance Backup and Recovery

Author: , November 8th, 2011

My second article has just been published on CloudSpring.com! This is very exciting for me, and there are going to be more on the way.

How To Create A New AWS Instance From A Snapshot

Author: , August 16th, 2011

Be sure to create regular snapshots of your running instances. If you lose an instance, recover quickly with this procedure. I suggest that you use Elastic IP addresses to make the migration DNS-free. STEP 1: First, setup your environment properly

STEP 2: Create an AMI linked to the snapshot % ec2-register -n YOUR-AMI-NAME -d […]

How To Get root Access To An AWS Instance At Launch

Author: , August 3rd, 2011

First use SSH to login as the ec2-user:

erics@zeus:/Users/erics # ssh -i foo.pem ec2-user@thehost.foo Last login: Tue Nov 19 20:28:19 2013 from foo.bar __| __|_ ) _| ( / Amazon Linux AMI ___|\___|___| https://aws.amazon.com/amazon-linux-ami/2013.09-release-notes/ No packages needed for security; 7 packages available Run “sudo yum update” to apply all updates. [ec2-user@xyz ~]$ sudo su […]