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31 lines
1.2 KiB
Markdown
31 lines
1.2 KiB
Markdown
# Chapter 12.2: Changing Your Bitcoin Hidden Services
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In this chapter we will show you how to create or change your local Bitcoin Hidden Service. To archieve this we need to add current user to tor or debian-tor group to guarantee that Bitcoin daemon can sets up an automatic hidden service on the first startup if it's correclty configured. Bitcoind will create a file called onion_private_key in the data directory. Further check if file control.authcookie exists like this:
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```
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~$ ll /run/tor/control.authcookie
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-rw-r----- 1 debian-tor debian-tor 32 jun 26 09:44 /run/tor/control.authcookie
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```
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To avoid see a message like this in debug log file you need to add your current user to debian-tor group like this:
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debug.log
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```
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2020-05-15T16:49:20Z tor: Authentication cookie /run/tor/control.authcookie could not be opened (check permissions)
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```
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```
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~$ sudo usermod -a -G debian-tor [CHANGE_MY_USER]
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```
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If you're running a older version Tor like 0.2.7 add this lines to /etc/tor/torrc file:
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```
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HiddenServiceDir /var/lib/tor/bitcoin-service/
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HiddenServicePort 8333 127.0.0.1:8333
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HiddenServicePort 18333 127.0.0.1:18333
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```
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If you're running Tor version 3 bitcoind will configurate hidden services automatically to listen on.
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