urlrelay seems to expire after a couple days - can we renew? #142
Comments
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@mnopneal The urlrelay.com web service deletes stale registrations after 30 days, so the problem is not likely there. urlrelay.com is like a mailbox that lets your raspberry pi pass its local url to your browser. Urlrelay.com matches them by their external IP address. To work, this requires that:
My money is on #1, your external IP address is probably changing. You can check your browser IP address at https://whatismyip.com. If you see this change, that's you're problem. The raspberry pi should register on boot, and every 24 hours after that. The script which does this is /usr/local/bin/urlrelay.sh. You can verify that it is running with "ps aux | grep urlrelay". Even if this script somehow broke, the registration will stay active for 30 days. But the registration will be wrong for as long as 24 hours if your IP address changes. You can make it register more frequently by changing the second-to-last line from "sleep 1d" to something short like "sleep 10m". -Kevin |
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Thanks for the reply. We are newly on AT&T fiber; the church is on Business Comcast. IP public addresses haven't changed for either one. I have turned off the reboot in crontab. I will make much more careful notes on this. I.E. get it to the point of urlrelay.com not providing an answer after a couple of days. |
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@mnopneal whats your external ip? What exactly are you seeing when it fails? An error message from urlrelay? There's always a chance that the problem is not with urlrelay, but that your pi, or vnc process, is crashing. One cross check is to see if you can ssh into the pi while it's in that state. -Kevin |
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I'm retired, so a little out of practice at keeping detailed logs:
Dec 24th: Started Jambox.
Dec 25th: did urlrelay.com/go, got normal response, and Connect link
worked fine. (at 192.168.1.235)
Mon Dec 26 13:44:59 EST 2022: did urlrelay.com/go, and repeatedly got no
response for 60 seconds, then it threw up a link for my normal Jambox at
192.168.1.176, which is upstairs and powered down at the moment.
Manually edited that browser link for .235
, and it connected fine.
So, the Jambox is running; problem appears to be that urlrelay.com/go
isn't responding rationally.
My public IP is still at 108.207.234.244. I can leave things alone for
a couple of days, then connect to it and invoke that update script by
hand to see if it spits out any errors or makes any difference in the
urlrelay response.
Thanks.
…On 2022-12-25 00:06, Kevin Doren wrote:
@mnopneal [1] whats your external ip?
I might be able to get more insight from the urlrelay database.
What exactly are you seeing when it fails? An error message from
urlrelay?
There's always a chance that the problem is not with urlrelay, but
that your pi, or vnc process, is crashing. One cross check is to see
if you can ssh into the pi while it's in that state.
-Kevin
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@mnopneal I think that what's happening is that you have 2 jamboxes behind the same router, and both have id=1. urlrelay works "like magic" if you have a single box on your local network (same external IP as your browser). When you go to urlrelay.com/go, there is only one place to go, and you'll be redirected there. What you apparently have is 2 boxes with default setting of id=1. In that case urlrelay.com will redirect you to the box which registered most recently. The boxes re-register every 24 hours, so if they are both powered on, you'll get redirected to one box for x hours, then the other box for 24-x hours. If you have more than one box, you, and your boxes, need to specify the difference. This is done in the box (by setting a different NODE_ID ( i.e. set NODE_ID=2 on one of your boxes) in the file /etc/urlrelay/urlrelay.conf, then rebooting. After that you can get into either box by specifying its ID, like "urlrelay.com/go?id=2" (or id=1), This is described here: https://github.com/kdoren/jambox-pi-gen#urlrelay -Kevin |
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Thanks. I'm a little skeptical, since we had these issues with the Jambox at church, with no other Jamboxen nearby, and mine is normally off, BUT in the spirit of eliminating possibilities, I have done as suggested. This time, I did the urlrelay.com/go, got normal response for .235, and Connect link worked fine. So, the 24 hours is from the anniversary of boot-up time? |
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Yes, every 24 hours from boot up unless you've done something to change it. You could be dealing with more than one problem. I.e. box crashes sometimes at church because hardware is flakey. You bring it home where another box has same id, and then things get really confusing. Now that the id is fixed, you'll be in a position to see if there is an additional problem to debug |
We are running a Jambox unattended at church, and loving it.
Although, after a couple of days, we cannot access it via URLrelay.com/go.
I brought it home, and verified that the box is alive, and IF I remember the old address, I can get to it with
http://192.168.1.235:6080/?..............
So, it's looking like urlrelay.com is clearing out registrations.
I guess I could force a reboot every day in Crontab, but is there something I could run instead to re-do the registration?
regards,
Neal
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