How to Convert PPK to PEM file using Command

Tech World 2017-06-29 Channel: Linux

Abstract: I need a key that supports the terminal command. So I decided it convert to a .pem file. I am sharing the steps to convert PPK to PEM format on the Li

Linux . How-to-Convert-PPK-to-PEM-file-using-Command

Linux . How-to-Backup-and-Restore-cPanel-User-Accounts-using-Command-Line

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One of my clients provided me .ppk file to connect to his server using ssh. As I am a Ubuntu user, I need a key that supports the terminal command. So I decided it convert to a .pem file. I am sharing the steps to convert PPK to PEM format on the Linux terminal using a putty-gen command-line utility.

The Windows Users may like: How to convert a PEM file to PPK?

Method 1: Convert PPK to PEM in Linux

Use the below steps to install the required packages and convert PPK to a pem file.

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. Otherwise 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 [email protected] 
```

Method 2: Convert PPK to PEM in Windows with PuTTYgen

Windows users can also convert a PPK file to PEM using PuTTYgen utility. Assuing you already have downloaded Puttygen from its official download site.

Next, follow the steps to convert PPK to PEM: