Container keeps restarting - Unable to resolve github.com
itsRems opened this issue · comments
Issue Description:
Hi. I'm having in issue while starting lancache-dns on a static ip. Apparently the dns is screwed up and the lancache dns is not able to update its server list from github, although it's accessible from the host and I setup the UPSTREAM_DNS.
Docker Run Command:
sudo docker run --restart unless-stopped --name lancache-dns --detach -p 192.168.1.20:53:53/udp -e USE_GENERIC_CACHE=true -e LANCACHE_IP=192.168.1.20 -e UPSTREAM_DNS=8.8.8.8 lancachenet/lancache-dns:latest
Docker Container Output:
Executing hook /hooks/entrypoint-pre.d/10_generate_config.sh
/opt/cache-domains /scripts
fatal: unable to access 'https://github.com/uklans/cache-domains.git/': Could not resolve host: github.com
@itsrens ignore my last, I'm an idiot and didn't see this
Can you try the following from the docker host nslookup GitHub.com 8.8.8.8
Can you try the following from the docker host
nslookup GitHub.com 8.8.8.8
Works!
nslookup github.com 8.8.8.8
Server: 8.8.8.8
Address: 8.8.8.8#53
Non-authoritative answer:
Name: github.com
Address: 140.82.114.3
That's my big problem w/this. It's just... supposed to work but it doesn't
Could you tell me which operating system your lancache-dns runs on? @itsRems
I had a problem like this (ubuntu 18.04) and my problem was the systemd-resolved process. Indeed I managed to make everything work by performing these manipulations:
sudo systemctl disable systemd-resolved
sudo systemctl stop systemd-resolved
-> edit /etc/resolv.conf with the DNS server of your choice (this allows your server to make resolutions even if the lancache-dns docker turns on port 53).
This is my docker command:
docker run --restart unless-stopped --detach --name lancache-dns -p 53:53/udp -e USE_GENERIC_CACHE=true -e LANCACHE_IP=$MyIpAdress -e UPSTREAM_DNS="1.1.1.1; 1.0.0.1 ;8.8.8.8; 8.8.4.4" lancachenet/lancache-dns:latest
Indeed I determined that the process prevented the lancache-dns docker from working properly, it restarted constantly.
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Been having similar issues to this with macOS as the docker host. Sometimes lancache-dns works, sometimes it can't resolve GitHub.com and sometimes it does initially then stops after some time.
I tried with 1.1.1.1 and 8.8.8.8 separately which didn't work but now the combination of "1.1.1.1; 1.0.0.1; 8.8.8.8; 8.8.4.4" seems to have done the trick thanks @Atomis70