Google Cloud FTP Setup with FileZilla

1. Download PuTTY and FileZillaPuTTY is an SSH client and Key generator. This application is used to generate a private/public key and establish a secure connection between your GCP instance and Filezilla.FileZilla is the FTP Client that we will use to securely manage our Google Cloud Website’s files straight from our Desktop.

2. Generate SSH Keys Followed method: 
   • Start PuTTYgen by clicking Start > Programs > PuTTY > PuTTYgen. The PuTTY Key Generator panel is displayed. 
   • Click SSH-2 RSA as the type of key to generate. 
   • Click Generate and then move the cursor around the blank area of the Key section to generate the random characters that create a unique key. When the key has been completely generated, the information about the new key is displayed in the Key section. 
   • Optional: Enter a passphrase in the Key passphrase and Confirm passphrase fields. The passphrase encrypts the key on the disk; therefore, it is not possible to use the key without first entering the passphrase. 

3. Copy and Save the Keys 
   • Save the public key by: 
     • Click copy and Save the public key. You are prompted for the name and location of the public key. 
     • Type icat.pub as the name of the public key and specify the location where you want to save the public key.[Text Wrapping Break]For example, you can create a directory on your computer called keys to store both the public and private keys. 
     • Click Save. 
   • Save the private key by: 
     • Click Save private key. The PuTTYgen Warning panel is displayed. 
     • Click Yes to save the private key without a passphrase. 
     • Type icat as the name of the private key, and specify the location where you want to save the private key.[Text Wrapping Break]For example, you can create a directory on your computer called keys to store both the public and private keys. It is recommended that you save your public and private keys in the same location. 
     • Click Save. 
   • Close the PuTTY Key Generator window.

4. Paste the public key in Google Cloud 
Copied and pasted the public key in Compute Engine→ Metadata→ SSH Keys.

5. Paste the private key in Filezilla

Edit→ settings 

Select SFTP→ Add key files→ (Select the private key file which is already saved) –>OK

Note: Make sure that you have required roles to your admin account.