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Is there a way to migrate the hidden service from one PC to another?

I have tried to put hiddenservice folder with host and private key in another tor, but got this error:

Dec 24 00:11:38.793 [warn] /home/bibi/.hidden_service1/ is not owned by this user (debian-tor, 115) but by bibi (1000). Perhaps you are running Tor as the wrong user?
Dec 24 00:11:38.793 [warn] Error loading rendezvous service keys
Dec 24 00:11:38.794 [err] set_options(): Bug: Acting on config options left us in a broken state. Dying.
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belongs on ubuntu –  Daniel A. White Dec 23 '11 at 22:24
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migrated from stackoverflow.com Dec 24 '11 at 23:22

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1 Answer

All information about Tor Hidden Services are inside the directory /var/lib/tor (assuming Tor is installing as Ubuntu package). So you should do the following steps to migrate your hidden service.

  1. Open a terminal.
  2. Stop your Tor service: sudo service tor stop
    This step is not necessary. It is just a cautionary measure.
  3. Inside the directory /var/lib/tor is a subdirectory hidden_service. If this is not the case, have a look into your /etc/tor/torrc. There is a variable called HiddenServiceDir. This tells you the actual location of the subdirectory. I will assume that the correct directory is /var/lib/tor/hidden_service.
  4. Make a backup of the files
    1. /etc/tor/torrc
    2. /var/lib/tor/hidden_service/private_key and /var/lib/tor/hidden_service/hostname
  5. Change to the other machine and stop the Tor service there.
  6. Create a hidden service directory on your new machine: sudo -u debian-tor mkdir /var/lib/tor/hidden_service and change permissions: sudo -u debian-tor chmod 2700 /var/lib/tor/hidden_service.
  7. Copy the private_key and hostname to the new directory and make sure that only the user debian-tor can read and write both files.
  8. Edit your /etc/tor/torrc. You should at least set HiddenServiceDir and HiddenServicePort. Another possibility is to use your backup. You can just copy it to /etc/tor.
  9. Start the Tor service.

Now you are finished migrating the hidden service and it is reachable again.

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