amazon server login with .ppk file in ubuntu

To convert the ppk file into openssh standard, we need to install the puttygen tool:

sudo apt-get install putty

Here is the ppk key that we want to convert:
Now,convert the ppk file into openssh standard using the following command:

puttygen private.ppk -o private-key -O private-openssh

Where “private.ppk” is the PuTTY .ppk file to convert, and “private-key” is the name of the converted key file.

After the execution of above command:

Now, you can easily access the remote server using the openssh standard private key:

ssh -i private-key username@remote-server-ip