# Support **URL:** https://meta.discourse.org/c/support/6.md?page=828 [Latest](https://meta.discourse.org/latest.md) · [Categories](https://meta.discourse.org/categories.md) · [Tags](https://meta.discourse.org/tags.md) **Page:** 829 --- ## [Your Docker installation is not working correctly](https://meta.discourse.org/t/your-docker-installation-is-not-working-correctly/67051)
**Author:** [@SMT](https://meta.discourse.org/u/SMT)\ **Replies:** 6\ **Last updated:** [July 29, 2017, 12:37pm UTC](https://meta.discourse.org/t/your-docker-installation-is-not-working-correctly/67051 "2017-07-29T12:37:52Z")
I was getting bad gateway error. So I tried to rebuilt discourse. But it stucks at downloading image. How to solve this? Pulling repository docker.io/discourse/base Tag 2.0.20170728 not found in repository docker.io/dis… --- ## [Port 80 appears to already be in use](https://meta.discourse.org/t/port-80-appears-to-already-be-in-use/57618)
**Author:** [@m1raz](https://meta.discourse.org/u/m1raz)\ **Replies:** 5\ **Last updated:** [July 29, 2017, 4:19am UTC](https://meta.discourse.org/t/port-80-appears-to-already-be-in-use/57618 "2017-07-29T04:19:42Z")
Hello, when i run discourse\_setup, it says Port 80 is used. Maybe there is something hosting installed by default, so I want to clear port 80 successfull instalation. Port 80 appears to already be in use. If you are tr… --- ## [How to ad banners?](https://meta.discourse.org/t/how-to-ad-banners/67059)
**Author:** [@hashOK](https://meta.discourse.org/u/hashOK)\ **Replies:** 1\ **Last updated:** [July 29, 2017, 9:22am UTC](https://meta.discourse.org/t/how-to-ad-banners/67059 "2017-07-29T09:22:38Z")
I have been running a website for some time now and it has gained some users.Right now I want to monetise the forum with advertisements.How to go about it? --- ## [Limit number of topics from each category on Latest page](https://meta.discourse.org/t/limit-number-of-topics-from-each-category-on-latest-page/66978)
**Author:** [@elSpectre](https://meta.discourse.org/u/elSpectre)\ **Replies:** 7\ **Last updated:** [July 28, 2017, 4:28pm UTC](https://meta.discourse.org/t/limit-number-of-topics-from-each-category-on-latest-page/66978 "2017-07-28T16:28:30Z")
We have two Categories that generate many more topics than the rest, so our Latest page will get swamped by those two Categories. We want to promote access to topics from all Categories more evenly. Is there a way to ma… --- ## [Installation issues on Scaleway](https://meta.discourse.org/t/installation-issues-on-scaleway/66867)
**Author:** [@CFi](https://meta.discourse.org/u/CFi)\ **Replies:** 3\ **Last updated:** [July 28, 2017, 4:02pm UTC](https://meta.discourse.org/t/installation-issues-on-scaleway/66867 "2017-07-28T16:02:02Z")
Hello, I tried to install discourse on x64 Scaleway server. I changed settings to allow smtp according to this post ScaleWay review? - #44 by ljpp I followed instructions from this page discourse/docs/INSTALL-cloud.md… --- ## [Email not showing on admin account registration -- email protected](https://meta.discourse.org/t/email-not-showing-on-admin-account-registration-email-protected/66985)
**Author:** [@rhukee](https://meta.discourse.org/u/rhukee)\ **Replies:** 1\ **Last updated:** [July 28, 2017, 5:01am UTC](https://meta.discourse.org/t/email-not-showing-on-admin-account-registration-email-protected/66985 "2017-07-28T05:01:26Z")
I’m trying to install Discourse on DigitalOcean following this tutorial and I don’t have any problems until I get to the Register Admin Account, then i get this: any ideas on how i can fix this? --- ## [Discourse B-net](https://meta.discourse.org/t/discourse-b-net/64743)
**Author:** [@Alankrit\_Choudh](https://meta.discourse.org/u/Alankrit_Choudh)\ **Replies:** 9\ **Last updated:** [July 28, 2017, 3:24am UTC](https://meta.discourse.org/t/discourse-b-net/64743 "2017-07-28T03:24:07Z")
Is this plugin safe to install on the latest discourse? https://github.com/acastle/discourse-bnet --- ## [I've disabled email and forgotten my password, how do I get back in?](https://meta.discourse.org/t/ive-disabled-email-and-forgotten-my-password-how-do-i-get-back-in/66964)
**Author:** [@kyle\_boyce](https://meta.discourse.org/u/kyle_boyce)\ **Replies:** 2\ **Last updated:** [July 27, 2017, 10:08pm UTC](https://meta.discourse.org/t/ive-disabled-email-and-forgotten-my-password-how-do-i-get-back-in/66964 "2017-07-27T22:08:59Z")
So I’ve forgotten my password and apparently I disabled emails on my site which I don’t remember doing… I recently changed the dev email in my app.yml is there anyway I can get back into my account? --- ## [Detect from topic payload if something was mailed or posted via web](https://meta.discourse.org/t/detect-from-topic-payload-if-something-was-mailed-or-posted-via-web/66843)
**Author:** [@carlokok](https://meta.discourse.org/u/carlokok)\ **Replies:** 7\ **Last updated:** [July 27, 2017, 8:03pm UTC](https://meta.discourse.org/t/detect-from-topic-payload-if-something-was-mailed-or-posted-via-web/66843 "2017-07-27T20:03:25Z")
I think I’m overlooking something, because I know the web gui shows a little mailbox icon, but how do I find out if a topic was mail-in or not? (I want to reply only for mail in) --- ## [Vanilla Importer (vanilla.rb) - Error while importing users](https://meta.discourse.org/t/vanilla-importer-vanilla-rb-error-while-importing-users/66150)
**Author:** [@harinayar](https://meta.discourse.org/u/harinayar)\ **Replies:** 10\ **Last updated:** [July 27, 2017, 4:59pm UTC](https://meta.discourse.org/t/vanilla-importer-vanilla-rb-error-while-importing-users/66150 "2017-07-27T16:59:13Z")
Hello, I am trying to migrate from vanilla into discourse. I am trying the import steps outlined here. The import job errors out always while importing users (see screenshot attached). When I rerun the script the error… --- ## [SetupWizard, blank screen, JS Error "\`virtual-dom"](https://meta.discourse.org/t/setupwizard-blank-screen-js-error-virtual-dom/66921)
**Author:** [@basti](https://meta.discourse.org/u/basti)\ **Replies:** 3\ **Last updated:** [July 27, 2017, 4:20pm UTC](https://meta.discourse.org/t/setupwizard-blank-screen-js-error-virtual-dom/66921 "2017-07-27T16:20:49Z")
Hello together, just installed Discourse in a subfolder like explained here: After starting the wizzard I got this JS error in Chrome-console: Error: Could not find module \`virtual-dom\` imported from \`discourse-commo… --- ## [Discourse-saml as sole login method](https://meta.discourse.org/t/discourse-saml-as-sole-login-method/66916)
**Author:** [@alexweej](https://meta.discourse.org/u/alexweej)\ **Replies:** 5\ **Last updated:** [July 27, 2017, 2:56pm UTC](https://meta.discourse.org/t/discourse-saml-as-sole-login-method/66916 "2017-07-27T14:56:09Z")
I can see from the admin settings that the built-in (non-SAML) SSO support can do things like: sso overrides bio - Overrides user bio in user profile and prevents user from changing it sso overrides email - Overrid… --- ## [Why does Docker say "WARNING: No swap limit support!"](https://meta.discourse.org/t/why-does-docker-say-warning-no-swap-limit-support/29945)
**Author:** [@nahtnam](https://meta.discourse.org/u/nahtnam)\ **Replies:** 7\ **Last updated:** [July 27, 2017, 9:30am UTC](https://meta.discourse.org/t/why-does-docker-say-warning-no-swap-limit-support/29945 "2017-07-27T09:30:19Z")
Is it weird that even after completing the tutorial, Docker says that there is no swap file detected? --- ## [Too many connections to DB, how to optimize](https://meta.discourse.org/t/too-many-connections-to-db-how-to-optimize/66395)
**Author:** [@TomekB](https://meta.discourse.org/u/TomekB)\ **Replies:** 17\ **Last updated:** [July 27, 2017, 7:02am UTC](https://meta.discourse.org/t/too-many-connections-to-db-how-to-optimize/66395 "2017-07-27T07:02:54Z")
I have frequent 500 errors due to exceeding number of connections to my DB. This results in errors like this in /logs: Job exception: FATAL: remaining connection slots are reserved for non-replication superuser connect… --- ## [Suppress all post warning / education panels?](https://meta.discourse.org/t/suppress-all-post-warning-education-panels/66834)
**Author:** [@JamesNorth](https://meta.discourse.org/u/JamesNorth)\ **Replies:** 5\ **Last updated:** [July 26, 2017, 11:05pm UTC](https://meta.discourse.org/t/suppress-all-post-warning-education-panels/66834 "2017-07-26T23:05:04Z")
Two of the forums I admin with Discourse contain users that know each other in real life and talk about things that occur in real life (business based and sport based). I couldn’t find any discussion about this anywher… --- ## [Rebuild failing after adding discourse-saml plugin](https://meta.discourse.org/t/rebuild-failing-after-adding-discourse-saml-plugin/66879)
**Author:** [@alexweej](https://meta.discourse.org/u/alexweej)\ **Replies:** 1\ **Last updated:** [July 26, 2017, 8:46pm UTC](https://meta.discourse.org/t/rebuild-failing-after-adding-discourse-saml-plugin/66879 "2017-07-26T20:46:48Z")
After adding the discourse-saml plugin, when running ./launcher rebuild app we’re seeing the following fatal error: ERROR: While executing gem ... (TypeError) no implicit conversion of nil into String I, \[2017-07-2… --- ## [Login with SSO option does not exchange SSL certificates](https://meta.discourse.org/t/login-with-sso-option-does-not-exchange-ssl-certificates/66664)
**Author:** [@vishal\_vr](https://meta.discourse.org/u/vishal_vr)\ **Replies:** 10\ **Last updated:** [July 26, 2017, 3:57pm UTC](https://meta.discourse.org/t/login-with-sso-option-does-not-exchange-ssl-certificates/66664 "2017-07-26T15:57:28Z")
I have a main domain hosted on Firebase, which runs the actual website of our business. Then installed Discourse platform hosted in another sub domain but on a different hosting platform. Discourse forum was edited and w… --- ## [Some topics are not displayed due to signatures plugin](https://meta.discourse.org/t/some-topics-are-not-displayed-due-to-signatures-plugin/66435)
**Author:** [@barreeeiroo](https://meta.discourse.org/u/barreeeiroo)\ **Replies:** 9\ **Last updated:** [July 25, 2017, 10:40am UTC](https://meta.discourse.org/t/some-topics-are-not-displayed-due-to-signatures-plugin/66435 "2017-07-25T10:40:19Z")
I don’t know why this occurs: We have already tried to rebuild the community, but nothing. It works just without logging in. Also, the .JSON file is correct: Any idea for how to fix it? --- ## [Hosted Discourse Version?](https://meta.discourse.org/t/hosted-discourse-version/66739)
**Author:** [@Martin\_Cash](https://meta.discourse.org/u/Martin_Cash)\ **Replies:** 2\ **Last updated:** [July 25, 2017, 1:42am UTC](https://meta.discourse.org/t/hosted-discourse-version/66739 "2017-07-25T01:42:16Z")
I could have sworn there was an area in Account Management hat displayed the current version/build. Was that removed or am I looking in the wrong place? What prompted this was the new emoji picker that I need in my life. … --- ## [How to hide sub-categories on the mind menu](https://meta.discourse.org/t/how-to-hide-sub-categories-on-the-mind-menu/66687)
**Author:** [@Y2K](https://meta.discourse.org/u/Y2K)\ **Replies:** 2\ **Last updated:** [July 24, 2017, 6:48am UTC](https://meta.discourse.org/t/how-to-hide-sub-categories-on-the-mind-menu/66687 "2017-07-24T06:48:29Z")
I see this is possible but can’t find such settings. What am I missing? On the category settings I see an option to Suppress this category from the homepage, but this will only hide it from the home page, which I don’t … --- ## [Change language text of "badge"](https://meta.discourse.org/t/change-language-text-of-badge/66677)
**Author:** [@Chopper](https://meta.discourse.org/u/Chopper)\ **Replies:** 1\ **Last updated:** [July 23, 2017, 5:18pm UTC](https://meta.discourse.org/t/change-language-text-of-badge/66677 "2017-07-23T17:18:52Z")
Hello, Where can I change this text? \[image\] Our forum is in French, it’s a bit awkward to send an English message when the whole forum is configured as French… Thanks --- ## [How to write a ruby code that add a new user's data to a user\_custom\_fields](https://meta.discourse.org/t/how-to-write-a-ruby-code-that-add-a-new-users-data-to-a-user-custom-fields/66662)
**Author:** [@Alavi1412](https://meta.discourse.org/u/Alavi1412)\ **Replies:** 3\ **Last updated:** [July 23, 2017, 2:10pm UTC](https://meta.discourse.org/t/how-to-write-a-ruby-code-that-add-a-new-users-data-to-a-user-custom-fields/66662 "2017-07-23T14:10:33Z")
I am not familiar with rails so much and I want to code a plugin that asks user his job and fill the job’s user\_custom\_fields(already created manually) in the database. Because I’m familiar with PHP, I add new rows to d… --- ## [Device "docker0" does not exist. ubuntu 16.04](https://meta.discourse.org/t/device-docker0-does-not-exist-ubuntu-16-04/66656)
**Author:** [@11145](https://meta.discourse.org/u/11145)\ **Replies:** 5\ **Last updated:** [July 23, 2017, 3:55am UTC](https://meta.discourse.org/t/device-docker0-does-not-exist-ubuntu-16-04/66656 "2017-07-23T03:55:26Z")
I can not install the discourse. When I try to start I see this: root@s9ffd138e:/var/discourse# ./launcher start app Device "docker0" does not exist. Cannot connect to the docker daemon - verify it is running and you h… --- ## [SparkPost experience (superb support)](https://meta.discourse.org/t/sparkpost-experience-superb-support/65302)
**Author:** [@tophee](https://meta.discourse.org/u/tophee)\ **Replies:** 2\ **Last updated:** [July 22, 2017, 11:35pm UTC](https://meta.discourse.org/t/sparkpost-experience-superb-support/65302 "2017-07-22T23:35:55Z")
I just want to share my experience with SparkPost support here because O am simply blown away by their service (I’m still on their free plan). I contacted them because I had a couple of bounces where the reason was that… --- ## [Can I log into multiple instances of discourse simultaneously?](https://meta.discourse.org/t/can-i-log-into-multiple-instances-of-discourse-simultaneously/66281)
**Author:** [@Y2K](https://meta.discourse.org/u/Y2K)\ **Replies:** 36\ **Last updated:** [July 22, 2017, 4:19pm UTC](https://meta.discourse.org/t/can-i-log-into-multiple-instances-of-discourse-simultaneously/66281 "2017-07-22T16:19:06Z")
Is it possible to have multiple instances of Discourse but that users can log in to all of them with the same ID info? Let’s say that I have a forum for multiple cities, city1.domain.com, city2.domain.com, city3.domain.… --- ## [Problems with Sparkpost email on install](https://meta.discourse.org/t/problems-with-sparkpost-email-on-install/66580)
**Author:** [@jestyr27](https://meta.discourse.org/u/jestyr27)\ **Replies:** 7\ **Last updated:** [July 22, 2017, 3:20am UTC](https://meta.discourse.org/t/problems-with-sparkpost-email-on-install/66580 "2017-07-22T03:20:50Z")
Hey guys, I’ve been working on getting Discourse setup on my website and cannot get the email confirmation to go through, or to pass through sparkpost Here’s my error log: Started GET "/about.json" for 64.71.168.196 a… --- ## [Got mix-content error and confused](https://meta.discourse.org/t/got-mix-content-error-and-confused/66523)
**Author:** [@Vencent](https://meta.discourse.org/u/Vencent)\ **Replies:** 11\ **Last updated:** [July 21, 2017, 7:18pm UTC](https://meta.discourse.org/t/got-mix-content-error-and-confused/66523 "2017-07-21T19:18:36Z")
After enabling WP-Discourse plugin, I found comments from Discourse caused my WP site mix-content problem: All the avatars were loaded through HTTP instead of HTTPS. I tried to fix it myself. And after reading the WP-di… --- ## [Prevent staff actions from being considered replies](https://meta.discourse.org/t/prevent-staff-actions-from-being-considered-replies/66464)
**Author:** [@rohmann](https://meta.discourse.org/u/rohmann)\ **Replies:** 4\ **Last updated:** [July 21, 2017, 1:16pm UTC](https://meta.discourse.org/t/prevent-staff-actions-from-being-considered-replies/66464 "2017-07-21T13:16:58Z")
Anytime a staff action is performed like closing or unlisted a thread, it would seem Discourse records this as a reply. It contributes to the reply count, and the staff member is listed as a participant on the topic. I… --- ## [Insecure content from markdown-it-bundle when using https](https://meta.discourse.org/t/insecure-content-from-markdown-it-bundle-when-using-https/66559)
**Author:** [@mr8](https://meta.discourse.org/u/mr8)\ **Replies:** 4\ **Last updated:** [July 20, 2017, 9:38pm UTC](https://meta.discourse.org/t/insecure-content-from-markdown-it-bundle-when-using-https/66559 "2017-07-20T21:38:04Z")
Recently updated my copy of discourse and noticed this weird little bug in the console that also prevents the preview window from loading. \[blocked\] The page at https://domain.com/t/topic/4512/484 was not allowed to run… --- ## [Discourse-saml + Okta endless redirect](https://meta.discourse.org/t/discourse-saml-okta-endless-redirect/55525)
**Author:** [@runofthemill](https://meta.discourse.org/u/runofthemill)\ **Replies:** 7\ **Last updated:** [July 20, 2017, 7:36pm UTC](https://meta.discourse.org/t/discourse-saml-okta-endless-redirect/55525 "2017-07-20T19:36:08Z")
Hi there - I’m trying to get the discourse-saml plugin working with Okta; I’ve scoured the existing threads, and can’t seem to figure out what’s going on. When I go to the login page, it prompts me to log in with my Okt… [Previous page](https://meta.discourse.org/c/support/6.md?page=827) [Next page](https://meta.discourse.org/c/support/6.md?page=829)