Generate ppk from pem or PEM to PPK in Ubuntu

PPK to PEM

  • Step 1 – First of all, install the putty tools on your Linux system using below command.
    $ sudo apt-get install putty-tools
    
  • Step 2 – Now, convert the ppk file to pem file using puttygen command line tool.
    $ puttygen server1.ppk -O private-openssh -o server1.pem
    
  • Step 3 – Change the .pem file permissions. Set the read-only permissions to the owner of the file, remove any permission to group and other. Other wise ssh will refuse this key for use.
    $ chmod 400 server1.pem
    
  • Step 4 – Finally, connect to your remote Linux server with ssh using this pem key.
    $ ssh -i server1.pem ubuntu@11.22.33.44

PEM to PPK

  • Step 1 – First of all, install the putty tools on your Linux system using below command.
    $ sudo apt-get install putty-tools
    
  • Step 2 – Now, convert the ppk file to pem file using puttygen command line tool.
    puttygen keyfile.pem -O private -o avdev.ppk

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