Help becomming a UBUNTERO

I have downloaded the code of coduct and generated a key to sign it. This is what I have tried. Iv't tried several times. Will someone tell me what I am doing wrong. This is what I have done.

harry@BOBJOE:~$ gpg --gen-key
gpg (GnuPG) 1.4.2.2; Copyright (C) 2005 Free Software Foundation, Inc.
This program comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions. See the file COPYING for details.

Please select what kind of key you want:
   (1) DSA and Elgamal (default)
   (2) DSA (sign only)
   (5) RSA (sign only)
Your selection? 1
DSA keypair will have 1024 bits.
ELG-E keys may be between 1024 and 4096 bits long.
What keysize do you want? (2048)
Requested keysize is 2048 bits
Please specify how long the key should be valid.
         0 = key does not expire
      <n> = key expires in n days
      <n>w = key expires in n weeks
      <n>m = key expires in n months
      <n>y = key expires in n years
Key is valid for? (0) 0
Key does not expire at all
Is this correct? (y/N) y

You need a user ID to identify your key; the software constructs the user ID
from the Real Name, Comment and Email Address in this form:
    "Heinrich Heine (Der Dichter) <email address hidden>"

Real name: Harry Truman Chestnut
Email address: <email address hidden>
Comment: I am enjoying Ubuntu and aai appreciate it.
You selected this USER-ID:
    "Harry Truman Chestnut (I am enjoying Ubuntu and aai appreciate it.) <email address hidden>"

Change (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit? o
You need a Passphrase to protect your secret key.

We need to generate a lot of random bytes. It is a good idea to perform
some other action (type on the keyboard, move the mouse, utilize the
disks) during the prime generation; this gives the random number
generator a better chance to gain enough entropy.
.+++++++++++++++++++++++++++++++++++++++++++++++++++++++..+++++++++++++++++++++++++++++++++++++++++++++++++++++++.+++++.+++++++++++++++>...++++++++++.....>.+++++.....<+++++..........................................+++++
We need to generate a lot of random bytes. It is a good idea to perform
some other action (type on the keyboard, move the mouse, utilize the
disks) during the prime generation; this gives the random number
generator a better chance to gain enough entropy.
++++++++++++++++++++++++++++++++++++++++.+++++.++++++++++++++++++++++++++++++++++++++++++++++++++.+++++++++++++++.++++++++++++++++++++.+++++.++++++++++>..+++++.+++++...>+++++...<.+++++.....................>+++++........................................................................................................>..+++++.<.+++++.>+++++...........<+++++...........................>+++++.........<.+++++..........>+++++....<.+++++<.+++++...>+++++...........................>+++++...<..+++++<..+++++>+++++...................................<.+++++....>.+++++.....>+++++..<..+++++<+++++.>+++++...............<+++++>.+++++.....................+++++^^^^
gpg: key 312DE008 marked as ultimately trusted
public and secret key created and signed.

gpg: checking the trustdb
gpg: 3 marginal(s) needed, 1 complete(s) needed, PGP trust model
gpg: depth: 0 valid: 3 signed: 0 trust: 0-, 0q, 0n, 0m, 0f, 3u
pub 1024D/312DE008 2006-12-10
      Key fingerprint = A087 7A1D 9444 7DE6 BB20 4412 EF40 2361 312D E008
uid Harry Truman Chestnut (I am enjoying Ubuntu and aai appreciate it.) <email address hidden>
sub 2048g/F493D528 2006-12-10

harry@BOBJOE:~$ gpg --send-key key-id
gpg: "key-id" not a key ID: skipping
harry@BOBJOE:~$ gpg --send-key key-gpg --send-key key-
gpg: "key-" not a key ID: skipping
gpg: "--send-key" not a key ID: skipping
gpg: "key-gpg" not a key ID: skipping
harry@BOBJOE:~$ gpg --send-key key-gpg --send-key key-
gpg: "key-" not a key ID: skipping
gpg: "--send-key" not a key ID: skipping
gpg: "key-gpg" not a key ID: skipping
harry@BOBJOE:~$ 1024D/312DE008 2006-12-10
bash: 1024D/312DE008: No such file or directory
harry@BOBJOE:~$

thanks harry