Tracker: Couldn't resolve host name

Hey guys,

I got a new server from Hetzner (2x3TB), did a fresh installation of Ubuntu 16.04 and QuickBox, but now, when I’m adding the torrent files from my old box to the new one, I got the problem, that rTorrent isn’t able to connect to my trackers anymore. It looks like this now:

Under general, it says: Tracker: [Couldn’t resolve host name]

On my old box, I had like 300 torrents seeding fine. On the new one, I’ve 60, but some hours ago they started looking like on the picture. This morning, all was fine. But when I started to add some old ones, all of a sudden, they all went to red.

I already updated curl, libcurl, did some reboots, changed rtorrent settings, changed the network.max_open_files.set to 8124, but nothings works.

I also read that doing “systemctl start nscd”, but this gives me this error:
Failed to start nscd.service: Unit nscd.service not found.

Executing systemctl status nscd.service says:
● nscd.service
Loaded: not-found (Reason: No such file or directory)
Active: inactive (dead)

I really don’t know how to fix this problem :frowning:

Can you help me with this?

I just found the solution, sorry for crying so fast (it’s always after writing a post, every time :roll_eyes:): I used a different rtorrent script. I just went back to the original one and now, it works. Maybe, the rtorrent config I used was too aggressive. It’s still weird that it couldn’t resolve the host name tho…

did you try sth like? whats the output?


your script maybe tries to import ssl certs, the old one do maybe sth like this:
network.http.ssl_verify_peer.set = 0
in the .rtorrent.rc

Thanks for your suggestion, @benba.

Nslookup shows the IP address of Google, that’s no problem.

However, network.http.ssl_verify_peer.set was the problem. When this is part of the .rtorrent.rc config, I can’t access rTorrent anymore, the SCGI connection is gone. This is, what I figured out by try & error.