Discourse 在 Raspberry Pi 4 上无法工作

支持 安装
1

你好，

我运行 Discourse 已经很长时间了，一直没有遇到任何问题，但昨天在尝试更新时，我遇到了 Discourse 缓慢和一些问题，尝试更新时，没有更新输出。我心想，好吧，没关系，让我停止容器并重新启动，并决定以防万一也重建一下。

构建已完成，容器已成功启动，但我没有看到任何数据输出。顺便说一句，我正在使用 Nginx Socket File。

我有一些日志可以提供给大家，但据我所知，容器运行良好，Nginx 也已启动并正在运行。

我的磁盘空间和可用内存也很充足。我使用的是 Raspberry Pi 4 (8GB)，但没有使用 SD 卡，所以不用担心，它使用的是 SATA (M2) SSD。

我还能如何进一步调试这个问题？

套接字文件在某种程度上限制了我，因为我想 curl http://localhost，但我不能，因为它只是一个套接字。

2

尝试

cd /var/discourse
./launcher enter app
curl -v localhost
3

我尝试了这样做，但连接被拒绝，因为它正在尝试端口 80。由于这是一个套接字文件，端口 80 上将没有任何内容。

4

所以 curl -v localhost:3000

5

上游？

看起来是运行的。

*   Trying 127.0.0.1:3000...
* Connected to localhost (127.0.0.1) port 3000 (#0)
> GET / HTTP/1.1
> Host: localhost:3000
> User-Agent: curl/7.74.0
> Accept: */*
>
* Mark bundle as not supporting multiuse
< HTTP/1.1 200 OK
< Date: Wed, 09 Nov 2022 19:34:50 GMT
< Connection: close
< X-Frame-Options: SAMEORIGIN
< X-XSS-Protection: 0
< X-Content-Type-Options: nosniff
< X-Download-Options: noopen
< X-Permitted-Cross-Domain-Policies: none
< Referrer-Policy: strict-origin-when-cross-origin
< X-Discourse-Route: categories/index
< Content-Type: text/html; charset=utf-8
< Vary: Accept
< Cache-Control: no-cache, no-store
< Content-Security-Policy: upgrade-insecure-requests; base-uri 'self'; object-src 'none'; script-src https://community.brohosting.eu/logs/ https://community.brohosting.eu/sidekiq/ https://community.brohosting.eu/mini-profiler-resources/ https://community.brohosting.eu/assets/ https://community.brohosting.eu/brotli_asset/ https://community.brohosting.eu/extra-locales/ https://community.brohosting.eu/highlight-js/ https://community.brohosting.eu/javascripts/ https://community.brohosting.eu/plugins/ https://community.brohosting.eu/theme-javascripts/ https://community.brohosting.eu/svg-sprite/ https://www.google-analytics.com/analytics.js https://www.googletagmanager.com/gtag/js 'sha256-HZxBMVZe6P3MvHDZlFai9cUmLH+qwX6BNT3qTwNPATg='; worker-src 'self' https://community.brohosting.eu/assets/ https://community.brohosting.eu/brotli_asset/ https://community.brohosting.eu/javascripts/ https://community.brohosting.eu/plugins/; frame-ancestors 'self'; manifest-src 'self'
< X-Discourse-Cached: skip
< X-Request-Id: 002fc13f-21af-4cca-afc9-49abf7c90916
< X-Runtime: 1.617914
< X-Discourse-TrackView: 1
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* Closing connection 0
6

关于

curl --unix-socket /shared/nginx.http.sock

？

7

如您所见，它似乎甚至可以从非 Docker 系统的 Raspberry Pi 上访问。

谢谢 Falco，我想在这种情况下，我的主 Web 服务器有点失控了……

marcell@raspberry:/var/discourse/shared/standalone$ sudo curl -GET --unix-socket ./nginx.http.sock http://localhost/io

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8

太好了，很高兴我们至少能缩小范围。

9

我知道这不是你的领域，但你知道为什么我的 Discourse 在修改了 Windows 的 hosts 文件后可以加载，而没有修改它就无法加载吗？

这听起来像是我的域名或 DNS 没有响应，但我对此表示怀疑，因为我可以在外部进行 traceroute 和 ping。

10

599×357 23.7 KB

如果更改 hosts 文件后可以正常工作，那很可能是 DNS 问题。也许是错误的 AAAA 记录和有效的 A 记录会导致难以重现？

11

其他域也指向它，并且它们运行正常。
甚至根域 brohosting.eu 也能正常运行。这就是我感到奇怪的原因。

12

明白了，不是 DNS 的问题 :smiley:

13

如果不是 DNS，那它最终是什么？