How to encrypt your SSH private key file id_rsa
ssh-keygen -p -f /path/to/your/id_rsaEnter new passphrase (empty for no passphrase):
After that your rsa private key will be encrypted which is a layer of protection and security in the event that somehow someone acquires your key and tries to access servers that the key is authorized on.
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encrypt, ssh, id_rsassh, keygen, id_rsa, passphrase, rsa, encrypted, layer, acquires, servers, authorized,