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20 lines
613 B
Text
20 lines
613 B
Text
# To generate an SSH key:
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ssh-keygen -t rsa
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# To generate a 4096-bit SSH key:
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ssh-keygen -t rsa -b 4096
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# To update a passphrase on a key
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ssh-keygen -p -P old_passphrase -N new_passphrase -f /path/to/keyfile
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# To remove a passphrase on a key
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ssh-keygen -p -P old_passphrase -N '' -f /path/to/keyfile
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# To generate a 4048 bit RSA key with a passphase and comment containing the user and hostname
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ssh-keygen -t rsa -b 4048 -C "$USER@$HOSTNAME" -P passphrase
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# To copy a key to a remote host:
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ssh-copy-id username@host
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# To copy a key to a remote host on a non-standard port:
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ssh-copy-id username@host -p 2222
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