Haha - yes I am indeed running 0.2.5.6, that would explain the cookie issue.It seems that I've had a GPG key issue which has stopped me updating to 0.2.5.7-rc previously, but I've just noticed the new instructions here:It looks like installing deb.torproject.org-keyring will help prevent those issues in the future.I'll update my Pi relay tutorial with this and the updated arm instructionsThanks again both,Chris--On 22 September 2014 22:15, Roger Dingledine <arma@mit.edu> wrote:On Mon, Sep 22, 2014 at 09:34:40PM +0100, Chris Whittleston wrote:
> Previously, I've run arm using 'sudo -u debian-tor arm'. As was mentioned
> here previously, this is not how you should run it - in fact there is a bit
> of documentation to suggest how it should be done.
Yep. See https://trac.torproject.org/projects/tor/ticket/10700
for the discussion.
> Unfortunately I'm having
> some issues getting arm working correctly as described here in step 14:
>
> https://www.torproject.org/docs/tor-relay-debian.html.en#after
>
> Having added my user (pi) to the debian-tor group, I try to run 'arm' and
> get the following:
>
> Failed to read authentication cookie (permission denied):
> /var/run/tor/control.authcookie
What Tor version are you using? There was a bug in Tor 0.2.5.1-alpha
through 0.2.5.6-alpha that broke cookie auth for this situation:
https://trac.torproject.org/projects/tor/ticket/12864
It is fixed in 0.2.5.7-rc.
> I've tried reinstalling arm, relogged and checked that I'm in the right
> group still using 'groups' (which I am) - no joy.
>
> CookieAuthentication wasn't initially enabled, turning it on makes no
> difference, I get the same error.
As Grace pointed out, torrc isn't the only config file that your
Tor deb uses.
> Am I missing something when it comes to setting up CookieAuthentication? I
> guess I must be...although it seems strange that I was getting that error
> even with CookieAuthentication disabled.
If the Tor version hint doesn't do it for you, I'm not sure what the
next step is. Hopefully it does. :)
--Roger
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