How to SSH to Public DNS name of AWS instances in vCAC

This example is assuming that vCAC is configured to provision Linux instances to an Amazon availability zone with a VPC configured with public and private subnets and that the Security group is configured to allow SSH traffic. For information on connecting to a private address refer to the following blog post:

Note: Connecting to AWS instances via SSH may require modifications to your organizations firewall or you may need to use a proxy server. This lesson is assuming you have direct access to the internet and to Amazon Web Services via the Putty SSH console. This lesson uses Putty.exe and Puttygen.exe. You can download Putty and PuttyGen for free Get PUTTY Here!

You must first enable the “Connect Using SSH Feature” in vCAC, click the link below for instructions

Now let’s get your certificate which you will need to make the SSH connection.

Click the instance you want to connect to so it is highlighted


Click export certificate in the actions menu


Save the .pem file to a location on your computer. Take note of where you saved this to.


Next you will need to use Puttygen.exe to convert the pem file to a Putty Key file.


You can download Putty and PuttyGen for free Get PUTTY Here!

Open Puttygen.exe and click Load


Now browse to the .pem file you downloaded from the vCAC Self Service site (Make sure All Files is selected as file type)


Click Save Private Key


Click Yes to save without a passphrase


Give the new key a name and click save


Now go back to the Self Service portal and right click Connect using SSH from the actions menu


Select Copy Link Location


Now launch a Putty.exe session and paste that into the hostname field


Be sure to delete the ssh:// at the begining of the address. Your SSH session will not connect with this.

Now click the Data Category under connection on the left and enter the username of the AMI (Provided by your IT team)


Now browse to Connection/SSH/Auth


Click browse to open Windows explorer and select you Putty key we created earlier


It should look like this


Now go back to session and save this session for later use


Now click open


Click Yes to the Putty Security Alert


Your now connected and can begin configuring your new server! Enjoy!


Remember sharing is caring!

Leave a Reply

Your email address will not be published. Required fields are marked *


This site uses Akismet to reduce spam. Learn how your comment data is processed.