# Wiki **URL:** https://meta.discourse.org/c/wiki/177.md?page=8 [最新版本](https://meta.discourse.org/latest.md) · [分類](https://meta.discourse.org/categories.md) · [標簽](https://meta.discourse.org/tags.md) **Page:** 9 --- ## [从 Heroku 迁移到受支持的安装](https://meta.discourse.org/t/migrate-from-heroku-to-a-supported-installation/32868)
**Author:** [@kimpellikaan](https://meta.discourse.org/u/kimpellikaan)\ **回覆:** 3\ **Last updated:** [2015年九月4日 12:34 UTC](https://meta.discourse.org/t/migrate-from-heroku-to-a-supported-installation/32868 "2015-09-04T12:34:33Z")
If you ever need to migrate away from Heroku to a currently supported infrastructure by discourse it can be quite troublesome. We did the following to be able to create a backup which could thereafter be imported by dis… --- ## [在 Discourse 中使用自签名证书进行电子邮件配置](https://meta.discourse.org/t/use-a-self-signed-cert-with-discourse-for-emails/32042)
**Author:** [@AstonJ](https://meta.discourse.org/u/AstonJ)\ **回覆:** 0\ **Last updated:** [2015年八月12日 23:05 UTC](https://meta.discourse.org/t/use-a-self-signed-cert-with-discourse-for-emails/32042 "2015-08-12T23:05:59Z")
Using a self-signed certificate with your SMTP and POP mail in Discourse is easy once you know how - here’s how! There is a condition, and that is that your hostname (main domain for server - usually the domain used for… --- ## [使用 HAProxy 和 Varnish 结合 Discourse](https://meta.discourse.org/t/use-haproxy-and-varnish-with-discourse/27782)
**Author:** [@Lee\_Ars](https://meta.discourse.org/u/Lee_Ars)\ **回覆:** 3\ **Last updated:** [2015年四月21日 13:07 UTC](https://meta.discourse.org/t/use-haproxy-and-varnish-with-discourse/27782 "2015-04-21T13:07:31Z")
Had some downtime this afternoon and without even really planning to ended up setting up haproxy in front of my web server, which hosts a bunch of stuff including Discourse. The configuration, surprisingly, wound up work… --- ## [在移动屏幕模拟器中的测试Discourse](https://meta.discourse.org/t/test-discourse-in-mobile-screen-emulator/17155)
**Author:** [@erlend\_sh](https://meta.discourse.org/u/erlend_sh)\ **回覆:** 2\ **Last updated:** [2014年十月12日 22:19 UTC](https://meta.discourse.org/t/test-discourse-in-mobile-screen-emulator/17155 "2014-10-12T22:19:24Z")
After some trial and error, I came to the conclusion that the built-in Mobile Emulation in Chrome is the best way to quickly preview Discourse pages on a mobile device. Sure you can also just append ?mobile\_view=1 to an… --- ## [使用一个Fastmail账户为多个Discourse实例提供服务](https://meta.discourse.org/t/use-one-fastmail-account-to-serve-multiple-discourse-instances/15178)
**Author:** [@Sander78](https://meta.discourse.org/u/Sander78)\ **回覆:** 0\ **Last updated:** [2014年四月30日 08:07 UTC](https://meta.discourse.org/t/use-one-fastmail-account-to-serve-multiple-discourse-instances/15178 "2014-04-30T08:07:11Z")
Discourse uses POP to extract mails from your mailbox and then deletes them. Any mail not recognized will be dropped. This could be a problem if you - for whatever reason - have only one mailbox to spare and want differe… --- ## [配置乘客以允许在使用 Varnish 时登录 Twitter](https://meta.discourse.org/t/configure-passenger-to-allow-twitter-login-when-using-varnish/7582)
**Author:** [@Lee\_Ars](https://meta.discourse.org/u/Lee_Ars)\ **回覆:** 8\ **Last updated:** [2014年一月1日 02:03 UTC](https://meta.discourse.org/t/configure-passenger-to-allow-twitter-login-when-using-varnish/7582 "2014-01-01T02:03:59Z")
Not really a bug, since it’s not Discourse’s fault at all, so I figured I’d stick this in support. Flipped on Google/Yahoo/Twitter authentication today at the request of a user, and because eh, why not—I personally woul… [上一頁](https://meta.discourse.org/c/wiki/177.md?page=7)