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Frequently asked questions for DeltaCopy
NOTE: We now offer two solution for using rsync on Windows:
We recommend checking both of them to see which works best for you. Click here to see differences.
| Question: |
Why do you recommend not to use password when using SSH? |
| Answer: |
SSH requires that you create a public/private key pair. Often these keys are also password protected for additional security. When you use ssh-keygen program to generate keys, it prompts you to password protect your keys and the ssh binary will prompt the user for a password at run time.
DeltaCopy client spawns rsync client in the background when a user tries to copy files. Besides spawning a child process, it also redirects the standard input and output streams so that messages sent by rsync can be logged by DeltaCopy. When you try to use SSH, rsync spawn yet another process causing SSH to become a grand child of DeltaCopy. We are not aware of any mechanism to redirect standard input and output streams of a grand child in Windows. Therefore, if SSH prompts the user for a password, it will indefinitely wait for someone to provide a value and your backup process will hang.
If someone knows how to redirect STDIN and STDOUT of a grand child in Windows, please let us know and we will implement it in DeltaCopy. |
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