This gist shows the steps to create validator address

validatorsteps

> cd ~
> curl -LO https://github.com/ethereum/eth2.0-deposit-cli/releases/download/v0.2.1/eth2deposit-cli-v0.2.1-linux-amd64.tar.gz
eth2deposit-cli-v0.2.1-linux-amd64.tar.gz   100%[========================================================================================>]  14.56M  5.47MB/s    in 2.7s    
2020-08-12 07:19:25 (5.47 MB/s) - 'eth2deposit-cli-v0.2.1-linux-amd64.tar.gz' saved [15271039/15271039]
-rw-r--r--  1 root root  15M Jul 28 07:10 eth2deposit-cli-v0.2.1-linux-amd64.tar.gz

> tar -xzf eth2deposit-cli-v0.2.1-linux-amd64.tar.gz
> cd eth2deposit-cli-de03fe3-linux-amd64
-rwxr-xr-x  1 goerli lighthousebeacon  15M Jul 28 07:00 deposit

> ./deposit --num_validators 1 --chain medalla

Please choose your mnemonic language (italian, korean, spanish, chinese_traditional, chinese_simplified, english, czech) [english]: <Enter>
Type the password that secures your validator keystore(s): <Enter the password>
Repeat for confirmation: <Enter the password>

This is your seed phrase. Write it down and store it safely, it is the ONLY way to retrieve your deposit.
<Enter your mnemonics>

Press any key when you have written down your mnemonic.

Creating your keys.
Saving your keystore(s).
Creating your deposit(s).
Verifying your keystore(s).
Verifying your deposit(s).

Success!
Your keys can be found at: /root/eth2deposit-cli-de03fe3-linux-amd64/validator_keys

➜  validator_keys l
total 16K
drwxr-xr-x 2 root  root             4.0K Aug 12 07:25 .
drwxrwxr-x 3 goerli lighthousebeacon 4.0K Aug 12 07:25 ..
-rw-r--r-- 1 root  root              647 Aug 12 07:25 deposit_data-1597217105.json
-rw-r--r-- 1 root  root              710 Aug 12 07:25 keystore-m_12381_3600_0_0_0-1597217104.json

> sudo chown -R root:root /var/lib/lighthouse/validator
> lighthouse account validator import - directory ~/eth2deposit-cli-de03fe3-linux-amd64/validator_keys - validator-dir /var/lib/lighthouse/validator
Successfully moved keystore.
Successfully updated validator_definitions.yml.
Successfully imported 1 validators.