文档的是 ssh-keygen1
我的 ssh OpenSSH_3.8.1p1 Debian-8.sarge.4, OpenSSL 0.9.7e 25 Oct 2004

bbs@0[kbs]$ ssh-keygen1
-bash: ssh-keygen1: command not found
bbs@0[kbs]$ ssh-keygen
You must specify a key type (-t).
Usage: ssh-keygen [options]
Options:
  -b bits     Number of bits in the key to create.
  -c          Change comment in private and public key files.
  -e          Convert OpenSSH to IETF SECSH key file.
  -f filename Filename of the key file.
  -g          Use generic DNS resource record format.
  -i          Convert IETF SECSH to OpenSSH key file.
  -l          Show fingerprint of key file.
  -p          Change passphrase of private key file.
  -q          Quiet.
  -y          Read private key file and print public key.
  -t type     Specify type of key to create.
  -B          Show bubblebabble digest of key file.
  -C comment  Provide new comment.
  -N phrase   Provide new passphrase.
  -P phrase   Provide old passphrase.
  -r hostname Print DNS resource record.
  -G file     Generate candidates for DH-GEX moduli
  -T file     Screen candidates for DH-GEX moduli
--
修改:tombcy FROM 218.249.29.*
FROM 218.249.29.*