Converting .ppk to .pem file

This note was created on 13/12/2019
This note was last edited on 1/31/2023

1. Install PuTTY tools:
   > sudo apt install putty-tools

2. Convert .ppk to .pem using putty-tools:
   > puttygen serverkey.ppk -O private-openssh -o serverkey.pem

3. Set correct permission for key file:
   > chmod 400 serkerkey.pem

4. Connect to server using .pem key file via ssh:
   > ssh user@host -i serverkey.pem