February 2020
Intermediate to advanced
440 pages
13h 51m
English
Content preview from AWS Security Cookbook
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Generating the keys
Follow these steps on Mac and Linux systems in order to generate private and public keys using OpenSSL:
- Generate a private key using OpenSSL with the following command:
openssl genpkey -algorithm RSA -out my_private_key.pem -pkeyopt rsa_keygen_bits:2048
- Generate a public key by providing our private key with the following command:
openssl rsa -pubout -in my_private_key.pem -out my_public_key.pem
- We need to restrict the permissions for the private key file to 600 or 400 before we can use it for SSH:
chmod 400 my_private_key.pem
In the next section, we will upload our keys to AWS.
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