Converting .ppk to .pem file

This note was created on 2019-12-13
This note was last edited on 2023-01-31

1. Install PuTTY tools:
   # 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