macOS by default doesn’t recognize .ppk files, so for that, we need to convert it into a .pem file. Though it collects keys in its own file format i.e. Enter the key's passphrase if prompted and then click OK . It can be done easily via homebrew & putty. Most Windows operating systems have PuTTY installed. Another option is to convert the ppk format to an OpenSSH format using the PuTTygen program performing the following steps: Run the puTTygen program. Description of the illustration 005. To set the PPK file for authentication, choose Connection → SSH → Auth from the PuTTY Configuration menu and then select Browse... for the "Private key file for authentication" option.. Click Save, close the PuTTY Key Generator window and remember the location of the private key file for future use. If your system doesn't, download and install PuTTYgen. You can convert your Putty private keys (.ppk) to base64 files for OpenSSH or OpenSSL. It will no longer prompt for your password. If you are using the unix cli tool, run the following command: puttygen my.ppk -O private-openssh … .ppk files, keys can also be transformed to any other file format quickly. Start PuTTYgen, and then convert the .pem file to a .ppk file. Windows - convert a .ppk file to a .pem file. Convert a .ppk private key (Putty) to a base64/pem private key for OpenSSH or OpenSSL. OpenSSH and PuTTY keys are of different formats and will have to be converted to each other's format if you want to use the same key between the 2 programs.. OpenSSH private key can be converted to PuTTY's ppk (PuTTY Private Key) format using PuTTYgen. In the Load private key window, change the PuTTY Private Key Files (*.ppk) drop-down menu option to All Files (*.*). Browse and select the .ppk you just converted under “Private key file for authentication” Now when you go back and connect to the server, you only need to enter the username and the server IP/hostname. NOTE: PPK files can also be opened using WinSCP, an SFTP and FTP client for Windows. Navigate the left side Category > Connection > SSH > Auth. PuTTY does not natively support the private key format (.pem) generated by the AWS console for SSH to EC2s. Select your PuTTY's private key file which normally ends with .ppk extension and click on the Open button. Windows, Linux, Mac, etc. Converting .ppk key to .pem key on a Mac. Find and select the Private Key file that you unzipped from the sshkeybundle.zip file, after you created an Oracle Cloud service instance. Windows - convert a .pem file to a .ppk file. However, since passwords are insecure for this sort of thing, we enforce the use of private and public keys. Click Load. With puttygen on Linux/BSD/Unix-like. Install Homebrew. PPK files are used by PuTTY, a free SSH and Telnet client. PuTTYgen is a tool used for generating public and private SSH keys which are its fundamental function. You must convert your private key into this format (.ppk) before attempting to connect to your instance using PuTTY [SSH] or WinSCP [SFTP]. Start PuTTYgen. PuTTY has a tool named PuTTYgen, which can convert keys to the required PuTTY format (.ppk). PuTTYgen.exe is the graphical tool on Windows OS. Select your private key that ends in .ppk and then click Open. How to create a .ppk private key file to use with PuTTY. It is available for the various operating system, i.e. Putty PPK file to Xshell key file for use Today, my classmate gave me a putty remote login to use the PPK file (that is, the suffix named PPK) let me telnet to the host, but I used Xshell, import this PPK file, encountered the "Failed to import Details of the imported key will be displayed on the main interface and edit if necessary. Now go back to PuTTY. Connecting to a server ordered from us is very easy. if you are booting into a fresh version of macOS there is a fair chance that homebrew isn’t installed on your Mac. 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