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I currently have a t2.medium EC2 instance running on AWS. I realized that I need to be able to use systemctl in my instance to correctly set up certbot. systemctl is only available on Amazon Linux 2 (https://aws.amazon.com/amazon-linux-2/)

The instance I currently have is hosting a web server, and contains credentials that I want to transfer to the new instance. The instance is also connected to other AWS services(S3, dynamoDB) via Amazon SDK. What's the best way to create this new instance and transfer all of my configuration files over?

Thank you!

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2 Answers 2

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An alternate solution is to keep your current server and use a different Let's Encrypt client. I use Acmetool, I have a tutorial here - though it might be a little out of date.

Amazon Linux makes installing quite a few packages difficult, and the AWS repositories aren't particularly up to date.

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  • Amazon Linux was forked from CentOS 5 (2007!) and isn't aging well. Amazon Linux 2 was forked from CentOS 7 (2014). In both cases no compatibility with any other packages for CentOS is guaranteed. Commented Dec 12, 2018 at 23:31
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Boot a new clean instance of the desired type, and run your script to configure and/or restore from backup. If you do not have such a playbook, this is an excellent time to write one.

For AWS services, stop managing credentials. Assign a role to the instance profile.

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  • Thanks for the suggestions! Just set up an IAM role for my ec2 instance and took the credentials off my ec2 instance. Commented Dec 14, 2018 at 1:07

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