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Automation & scripting

CLI tools, scheduled jobs, filesystem tasks, and glue scripts that save time.

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Automation & scripting medium

Generate Strong SSH Keys and Save Them Securely with Python

Generate a 4096-bit RSA SSH key pair using Python's cryptography library and save both private and public keys with restricted file permissions.

ssh key-generation cryptography
Python 
import os
import stat
from pathlib import Path
from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.backends import default_backend

def generate_ssh_keypair(key_path: str = "id_rsa", passphrase: str = None):
    """Generate a 4096-…
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