How To Sftp Into Cloud VMs via Private Key

Symptom:

   Assume we have already putty into the VMs well with key pairs. We need to use sftp to upload files into cloud VMs. We have to use public/private key pair to login the OS

Solution:

• First we need to export openssh priviate keys from PUTTYgen
• Load your private key via puttygen
• Go to Conversions->Export OpenSSH and export your private key (ie d:\myprivatekey)
• Then use sftp -oIdentityFile=myprivatekey opc@<hostname or ip>
• sftp>put  <file>