SSH-KEYGEN Commands Cheat Sheet
Here is a cli commands cheat sheet for SSH-KEYGEN command, you can use this as a quick reminder for basic commands with a brief description for each of the commands.
What is SSH-KEYGEN command?
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--- tags: [ ssh ] --- # To generate an SSH key: ssh-keygen -t rsa # To generate a 4096-bit SSH key: ssh-keygen -t rsa -b 4096 # To generate a FIDO/U2F token-backed key: ssh-keygen -t ed25519-sk # To generate a FIDO2 resident key: ssh-keygen -t ed25519-sk -O resident # To update a passphrase on a key: ssh-keygen -p -P-N -f # To remove a passphrase on a key: ssh-keygen -p -P -N '' -f # To generate a 4096 bit RSA key with a passphase and comment containing the user and hostname: ssh-keygen -t rsa -b 4096 -C "$USER@$HOSTNAME" -P # To print the fingerprint of a public key: ssh-keygen -lf # To print the Github-style (MD5) fingerprint of a public key: ssh-keygen -E md5 -lf # To download resident keys from a FIDO2 authenticator to the current directory: ssh-keygen -K # To view the public key associated with a private key: ssh-keygen -y -f > ssh-keygen -y -f ~/.ssh/private-key > ~/.ssh/public-key.pub
Check out the SSH-KEYGEN command documentation .
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