I woke up this morning to reports that my discourse server was “down”. I was able to ssh into the server without a problem, noticed some security updates needed to be applied, applied them with apt full-upgrade, and restarted the server with reboot. Took a little while to come back up but when it…

Honestly, I think the best approach at this point is to reinstall and copy your data over. You have a broken system for Mysterious Reasons, and the installation process is rather quick. It’s likely the best use of your time.

Looks like google # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN # 127.0.0.53 is the systemd-resolved stub resolver. # run "systemd-resolve --status" to see details about the actual nameservers. …

@supermathie Not sure if this has anything to do with it but in ./launcher logs app I see [Tue 01 Dec 2020 07:07:13 PM UTC] Please refer to https://curl.haxx.se/libcurl/c/libcurl-errors.html for error code: 6 [Tue 01 Dec 2020 07:07:13 PM UTC] Can not init api. [Tue 01 Dec 2020 07:07:13 PM UTC] Dom…

What’s your docker version and how did you install it? And what Ubuntu are you running?

[图片] pfaffman: What’s your docker version Client: Version: 19.03.8 API version: 1.40 Go version: go1.13.8 Git commit: afacb8b7f0 Built: Wed Oct 14 19:43:43 2020 OS/Arch: linux/amd64 Experimental: false Server: Engine: Version…

After restarting docker, does the ping command work?

No, same error. ping: github.com: Temporary failure in name resolution

Another random point … My discourse server is at community.mydomain.com . I have a wordpress server at mydomain.com . Yesterday I setup a rocketchat server at chat.mydomain.com . I registered chat.mydomain.com with let’s encrypt. The wordpress and rocketchat servers are working fine. I’m not sure…

I might try purging and reinstalling docker; it’s hard to guess exactly what’s going on here and why docker broke. Before you do anything though, ensure you have a backup of your data (either a Discourse backup, or at least postgres & uploads). Image the VM if you can.

Completely removed docker and reinstalled. Problem persists. This is frustrating.

Can your server reach Google DNS, aka ping 8.8.8.8 ?

升级后，Docker 无法连接外网

支持安装

supermathie (Michael Brown) 2020 年12 月 2 日 03:21 20

说实话，我认为目前最好的做法是重新安装系统，然后将你的数据复制过去。

由于一些不明原因，你的系统已损坏，而重新安装的过程相当快捷。这很可能是你时间上最划算的选择。

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./discourse-setup: could not resolve host: github.com

话题		回复	浏览量
./discourse-setup: could not resolve host: github.com Support	5	2724	2021 年1 月 3 日
Could not resolve host: github.com for SamSaffron/pups.git Support docker	12	11808	2020 年11 月 12 日
Cannot upgrade / send emails / fetch themes... Docker problem? Support	9	132	2025 年3 月 2 日
Discourse docker container has trouble reaching DNS Self-hosting	10	4428	2018 年4 月 30 日
Restore from a server image that contain discourse, but rebuild error Support	6	533	2020 年9 月 13 日

升级后，Docker 无法连接外网

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