# Support **URL:** https://meta.discourse.org/c/support/6.md?page=535 [Latest](https://meta.discourse.org/latest.md) · [Categories](https://meta.discourse.org/categories.md) · [Tags](https://meta.discourse.org/tags.md) **Page:** 536 --- ## [Global replace for bbcode \[code\] with backticks](https://meta.discourse.org/t/global-replace-for-bbcode-code-with-backticks/111097)
**Author:** [@eboehnisch](https://meta.discourse.org/u/eboehnisch)\ **Replies:** 5\ **Last updated:** [December 27, 2020, 11:38pm UTC](https://meta.discourse.org/t/global-replace-for-bbcode-code-with-backticks/111097 "2020-12-27T23:38:37Z")
Dear all, I’ve just tried to run the many examples for a global find-and-replace here in this forum but struggled with two things: How do I run these rake posts: ... commands? When I type the command at the command li… --- ## [Aligning images and headers](https://meta.discourse.org/t/aligning-images-and-headers/174356)
**Author:** [@eazoppe](https://meta.discourse.org/u/eazoppe)\ **Replies:** 1\ **Last updated:** [December 27, 2020, 7:33pm UTC](https://meta.discourse.org/t/aligning-images-and-headers/174356 "2020-12-27T19:33:03Z")
So I am trying to align a picture to the middle of my post but when I use \
it doesn’t load the picture nor the header is a header, how would I fix this? --- ## [Invite link Error message](https://meta.discourse.org/t/invite-link-error-message/174355)
**Author:** [@AndyBr](https://meta.discourse.org/u/AndyBr)\ **Replies:** 2\ **Last updated:** [December 27, 2020, 5:47pm UTC](https://meta.discourse.org/t/invite-link-error-message/174355 "2020-12-27T17:47:48Z")
I tried inviting myself, using one of my other e-mail addresses that is not registered, just to see how the invite system works… I received the e-mail, but when clicking on the link, I see: Sorry! This invitation is in… --- ## [Topics not marked as read when clicked](https://meta.discourse.org/t/topics-not-marked-as-read-when-clicked/174307)
**Author:** [@stuhlbein](https://meta.discourse.org/u/stuhlbein)\ **Replies:** 2\ **Last updated:** [December 27, 2020, 11:43am UTC](https://meta.discourse.org/t/topics-not-marked-as-read-when-clicked/174307 "2020-12-27T11:43:47Z")
Hey everyone, we are running Discourse for a few weeks now and now observed that topics do not get marked as read anymore when clicking on them (an scrolling all the way down). There is now way to get the topics “read”…… --- ## [CSS classes for group membership? (For simplified UI mode)](https://meta.discourse.org/t/css-classes-for-group-membership-for-simplified-ui-mode/60838)
**Author:** [@tophee](https://meta.discourse.org/u/tophee)\ **Replies:** 13\ **Last updated:** [December 27, 2020, 8:47am UTC](https://meta.discourse.org/t/css-classes-for-group-membership-for-simplified-ui-mode/60838 "2020-12-27T08:47:58Z")
I’m posting this under support but suspect it will become a feature request. I have a couple of users who are a bit reluctant to use discourse and who could use some subtle on-boarding assistance. I say “subtle” because… --- ## [How to deny request from unauthorized domain pointing to my IP address?](https://meta.discourse.org/t/how-to-deny-request-from-unauthorized-domain-pointing-to-my-ip-address/89970)
**Author:** [@Gulshan\_Kumar](https://meta.discourse.org/u/Gulshan_Kumar)\ **Replies:** 5\ **Last updated:** [June 15, 2018, 1:16pm UTC](https://meta.discourse.org/t/how-to-deny-request-from-unauthorized-domain-pointing-to-my-ip-address/89970 "2018-06-15T13:16:42Z")
Any XYZ domain which points to my Digital Ocean droplet IP, it redirects to my forum. This way it has created a lot of uknown 404 logs and affecting link profile. I am thinking to add a rule like this location / { if… --- ## [Shadowboxes for IFRAMEs](https://meta.discourse.org/t/shadowboxes-for-iframes/89135)
**Author:** [@Emmanuel\_Schanzer](https://meta.discourse.org/u/Emmanuel_Schanzer)\ **Replies:** 9\ **Last updated:** [June 15, 2018, 12:05pm UTC](https://meta.discourse.org/t/shadowboxes-for-iframes/89135 "2018-06-15T12:05:24Z")
We run a community site for teachers who are using the Bootstrap curriculum to teach computer science inside mainstream math, science, and social studies classes. Our IDE is cloud-based, so we have the ability to embed a… --- ## [Trying to set up reply by email: ActionController::RoutingError (No route matches \[POST\] "/admin/email/handle\_mail")](https://meta.discourse.org/t/trying-to-set-up-reply-by-email-actioncontroller-routingerror-no-route-matches-post-admin-email-handle-mail/89960)
**Author:** [@anon20593648](https://meta.discourse.org/u/anon20593648)\ **Replies:** 3\ **Last updated:** [June 15, 2018, 11:55am UTC](https://meta.discourse.org/t/trying-to-set-up-reply-by-email-actioncontroller-routingerror-no-route-matches-post-admin-email-handle-mail/89960 "2018-06-15T11:55:47Z")
I get the following error when setting up reply by email: ActionController::RoutingError (No route matches \[POST\] "/admin/email/handle\_mail") The mail seems to come through fine (from mailgun), but Discourse says this … --- ## [Setup discourse.domain.com with main site at domain.com](https://meta.discourse.org/t/setup-discourse-domain-com-with-main-site-at-domain-com/174271)
**Author:** [@epsteindidnt](https://meta.discourse.org/u/epsteindidnt)\ **Replies:** 5\ **Last updated:** [December 26, 2020, 7:51am UTC](https://meta.discourse.org/t/setup-discourse-domain-com-with-main-site-at-domain-com/174271 "2020-12-26T07:51:08Z")
I apologize if this seems like a really basic question, what I want to do seems to me like something a lot of people would want to do, but my own use of Google/search couldn’t find anything on it. I have a site at domai… --- ## [Using slug only as url without id](https://meta.discourse.org/t/using-slug-only-as-url-without-id/174258)
**Author:** [@caiiiycuk](https://meta.discourse.org/u/caiiiycuk)\ **Replies:** 3\ **Last updated:** [December 25, 2020, 9:14pm UTC](https://meta.discourse.org/t/using-slug-only-as-url-without-id/174258 "2020-12-25T21:14:29Z")
Hi. I use slug only urls, like: https://talks.dos.zone/t/007-james-bond-the-stealth-affair-1990-fr/ But if I open it directly in browser it redirects to welcome topic. When I click same url into another topic it works … --- ## [Pinned topic expiration time?](https://meta.discourse.org/t/pinned-topic-expiration-time/89933)
**Author:** [@Scot](https://meta.discourse.org/u/Scot)\ **Replies:** 1\ **Last updated:** [June 15, 2018, 1:05am UTC](https://meta.discourse.org/t/pinned-topic-expiration-time/89933 "2018-06-15T01:05:02Z")
I can pin a topic until a certain date but at what time on that date does the pin expire? Thanks. --- ## [Blank page after upgrade and javascript error](https://meta.discourse.org/t/blank-page-after-upgrade-and-javascript-error/69548)
**Author:** [@hellekin](https://meta.discourse.org/u/hellekin)\ **Replies:** 13\ **Last updated:** [December 25, 2020, 12:09am UTC](https://meta.discourse.org/t/blank-page-after-upgrade-and-javascript-error/69548 "2020-12-25T00:09:04Z")
Hello. Latest build (commit 0adaa7c) brings it back after some years :wink: It comes right after the discourse-presence plugin is integrated and enabled by default. Should I remove it from the list? I have renamed it so… --- ## [External SSO unable to get signature match](https://meta.discourse.org/t/external-sso-unable-to-get-signature-match/174155)
**Author:** [@James\_Hope](https://meta.discourse.org/u/James_Hope)\ **Replies:** 2\ **Last updated:** [December 24, 2020, 11:01pm UTC](https://meta.discourse.org/t/external-sso-unable-to-get-signature-match/174155 "2020-12-24T23:01:39Z")
Hi All, We are trying to get discourse working with an external SSO endpoint but can’t seem to get the signature to match. The logs show: \[2020-12-23 21:10:50 +0000\] \[7\] \[DEBUG\] 2d9c3e07e2e7551e51af471ca3b50e83d06411b… --- ## [NoMethodError downcase s3\_bucket\_name absolute\_base\_url](https://meta.discourse.org/t/nomethoderror-downcase-s3-bucket-name-absolute-base-url/174002)
**Author:** [@kinqsley](https://meta.discourse.org/u/kinqsley)\ **Replies:** 4\ **Last updated:** [December 24, 2020, 9:40pm UTC](https://meta.discourse.org/t/nomethoderror-downcase-s3-bucket-name-absolute-base-url/174002 "2020-12-24T21:40:20Z")
NoMethodError (undefined method downcase' for nil:NilClass) app/models/global\_setting.rb:107:in s3\_bucket\_name’ app/models/site\_setting.rb:157:in absolute\_base\_url' app/models/upload.rb:185:in sec Message NoMethodError … --- ## [Searching for tag mentions](https://meta.discourse.org/t/searching-for-tag-mentions/174117)
**Author:** [@renato](https://meta.discourse.org/u/renato)\ **Replies:** 1\ **Last updated:** [December 24, 2020, 6:50pm UTC](https://meta.discourse.org/t/searching-for-tag-mentions/174117 "2020-12-24T18:50:22Z")
Is there any official way we can search for tag (or category) mentions? When using #name on the advanced search it automatically searches for topics within a specific category or tag. Looks like using this exact search… --- ## [Branch comment to a new post/topic](https://meta.discourse.org/t/branch-comment-to-a-new-post-topic/174201)
**Author:** [@Ranjan](https://meta.discourse.org/u/Ranjan)\ **Replies:** 2\ **Last updated:** [December 24, 2020, 6:44pm UTC](https://meta.discourse.org/t/branch-comment-to-a-new-post-topic/174201 "2020-12-24T18:44:51Z")
Hi, Is there a option by default in the community to branch comments to a new post? Please suggest. Thanks. --- ## [Safe-mode returns \["BAD CSRF"\] with reverse proxy](https://meta.discourse.org/t/safe-mode-returns-bad-csrf-with-reverse-proxy/174210)
**Author:** [@pfaffman](https://meta.discourse.org/u/pfaffman)\ **Replies:** 0\ **Last updated:** [December 24, 2020, 4:42pm UTC](https://meta.discourse.org/t/safe-mode-returns-bad-csrf-with-reverse-proxy/174210 "2020-12-24T16:42:41Z")
I’m helping debug an AWS installation that’s working fine on the current production site. For Reasons, they want to have an additional NGINX as a reverse proxy to handle some redirections. When the NGINX is added SSO lo… --- ## [WARNING: Port 443 of computer does not appear to be accessible using hostname](https://meta.discourse.org/t/warning-port-443-of-computer-does-not-appear-to-be-accessible-using-hostname/173520)
**Author:** [@Murto](https://meta.discourse.org/u/Murto)\ **Replies:** 19\ **Last updated:** [December 24, 2020, 4:47pm UTC](https://meta.discourse.org/t/warning-port-443-of-computer-does-not-appear-to-be-accessible-using-hostname/173520 "2020-12-24T16:47:25Z")
I’m doing this to set up Discourse: ./discourse-setup but i am getting the error in the image. How can i fix this error ? I use Ubuntu 18.04 --- ## [Email notifications for a topic](https://meta.discourse.org/t/email-notifications-for-a-topic/64866)
**Author:** [@sianwhite](https://meta.discourse.org/u/sianwhite)\ **Replies:** 8\ **Last updated:** [December 24, 2020, 10:18am UTC](https://meta.discourse.org/t/email-notifications-for-a-topic/64866 "2020-12-24T10:18:44Z")
Apologies for what is probably a very simple question. I don’t understand the notification settings. How do I (or a user) set it up to receive email notifications about posts in a thread that they haven’t started? Than… --- ## [How to allow users to get their API Key](https://meta.discourse.org/t/how-to-allow-users-to-get-their-api-key/174140)
**Author:** [@Matthieu\_Rioual](https://meta.discourse.org/u/Matthieu_Rioual)\ **Replies:** 2\ **Last updated:** [December 24, 2020, 8:28am UTC](https://meta.discourse.org/t/how-to-allow-users-to-get-their-api-key/174140 "2020-12-24T08:28:22Z")
I want to create an applet for daskeyboard 5Q that makes keyboard key blink when I have an unread discourse notification. I cannot find a way for a user to find his own API Key. I found that an admin can generate such a … --- ## [Migrating from uncategorized to "General"](https://meta.discourse.org/t/migrating-from-uncategorized-to-general/173065)
**Author:** [@sunjam](https://meta.discourse.org/u/sunjam)\ **Replies:** 7\ **Last updated:** [December 24, 2020, 6:45am UTC](https://meta.discourse.org/t/migrating-from-uncategorized-to-general/173065 "2020-12-24T06:45:44Z")
Hi all, I’m wondering about migrating away from Uncategorized as I see having a preseeded category imposes strong limitations. Is there anything I’m missing in moving all topics over to a new category called " General",… --- ## [Is that possible the override Discourse variables?](https://meta.discourse.org/t/is-that-possible-the-override-discourse-variables/170407)
**Author:** [@bekircem](https://meta.discourse.org/u/bekircem)\ **Replies:** 7\ **Last updated:** [December 24, 2020, 1:49am UTC](https://meta.discourse.org/t/is-that-possible-the-override-discourse-variables/170407 "2020-12-24T01:49:09Z")
Hi, I am trying to change typography like font-family, font-weight and font sizes with Discourse variables. $base-font-family: var(--font-family) !default; $heading-font-family: var(--heading-font-family) !default; So… --- ## [Adding white transparent icon for logo results in white circle in Android](https://meta.discourse.org/t/adding-white-transparent-icon-for-logo-results-in-white-circle-in-android/173800)
**Author:** [@Tom\_Eagle](https://meta.discourse.org/u/Tom_Eagle)\ **Replies:** 7\ **Last updated:** [December 23, 2020, 10:40pm UTC](https://meta.discourse.org/t/adding-white-transparent-icon-for-logo-results-in-white-circle-in-android/173800 "2020-12-23T22:40:15Z")
Moderators, please feel free to move/merge this with a already existing topic if there is one. But after searching every variation of my problem don’t think there is one existing. When we updated the logo to fix the lig… --- ## [PNG Converts to JPG?](https://meta.discourse.org/t/png-converts-to-jpg/174127)
**Author:** [@ShanniiWrites](https://meta.discourse.org/u/ShanniiWrites)\ **Replies:** 2\ **Last updated:** [December 23, 2020, 10:18pm UTC](https://meta.discourse.org/t/png-converts-to-jpg/174127 "2020-12-23T22:18:02Z")
My “PNG to JPG Quality” setting is on 100. However, whenever I – or any users – upload a PNG to the community, it becomes a JPG. This includes in the settings. I am trying to upload a new logo with a transparent backgrou… --- ## [Solve/Unsolved drop down](https://meta.discourse.org/t/solve-unsolved-drop-down/174138)
**Author:** [@dro](https://meta.discourse.org/u/dro)\ **Replies:** 2\ **Last updated:** [December 23, 2020, 9:13pm UTC](https://meta.discourse.org/t/solve-unsolved-drop-down/174138 "2020-12-23T21:13:14Z")
Hello, I’m trying to figure out how to create a solve/unsolved drop down search box, on the subcategory page (so after clicking a category on the homepage). I found this on the CodeAcademy website: https://discuss.codeca… --- ## [Error message when trying to create a post or page](https://meta.discourse.org/t/error-message-when-trying-to-create-a-post-or-page/172920)
**Author:** [@alchemyandaim](https://meta.discourse.org/u/alchemyandaim)\ **Replies:** 13\ **Last updated:** [December 23, 2020, 6:51pm UTC](https://meta.discourse.org/t/error-message-when-trying-to-create-a-post-or-page/172920 "2020-12-23T18:51:34Z")
I’m getting an error message when I try to create a new post or page… TypeError: Cannot read property ‘split’ of undefined at DiscourseSidebar.buildPostState (https://fpadvance.com/wp-content/plugins/wp-discourse/admin/… --- ## [Is it possible to generate previews of restricted content (Drupal) via a SSO integration?](https://meta.discourse.org/t/is-it-possible-to-generate-previews-of-restricted-content-drupal-via-a-sso-integration/174115)
**Author:** [@aaronbauman](https://meta.discourse.org/u/aaronbauman)\ **Replies:** 5\ **Last updated:** [December 23, 2020, 5:21pm UTC](https://meta.discourse.org/t/is-it-possible-to-generate-previews-of-restricted-content-drupal-via-a-sso-integration/174115 "2020-12-23T17:21:47Z")
Hi all, new discourse user, first post, please be kind! Can someone tell me if the following solution is possible? Scenario: Have a Drupal site Have content on Drupal site which requires user authentication (“restric… --- ## [Issue with the 'you've responded too many times to this person' message](https://meta.discourse.org/t/issue-with-the-youve-responded-too-many-times-to-this-person-message/89882)
**Author:** [@jackhadley91](https://meta.discourse.org/u/jackhadley91)\ **Replies:** 2\ **Last updated:** [June 14, 2018, 3:56pm UTC](https://meta.discourse.org/t/issue-with-the-youve-responded-too-many-times-to-this-person-message/89882 "2018-06-14T15:56:42Z")
Hiya, One of my users has got this message: ‘You’ve responded too many times to this person, a group discussion is about the group’ Completely understand why it’s here, but it’s not appropriate in the context of the w… --- ## [Discourse version at localhost: NOT FOUND](https://meta.discourse.org/t/discourse-version-at-localhost-not-found/174083)
**Author:** [@Dieter\_Menne](https://meta.discourse.org/u/Dieter_Menne)\ **Replies:** 2\ **Last updated:** [December 23, 2020, 1:51pm UTC](https://meta.discourse.org/t/discourse-version-at-localhost-not-found/174083 "2020-12-23T13:51:19Z")
Discourse with Proxy nginx. Site worked including email, but emails are no longer sent without log error in discourse. Trying to trace the problem down, I found ======================================== … --- ## [Synology Docker install](https://meta.discourse.org/t/synology-docker-install/68478)
**Author:** [@dvdstelt](https://meta.discourse.org/u/dvdstelt)\ **Replies:** 4\ **Last updated:** [December 23, 2020, 1:47pm UTC](https://meta.discourse.org/t/synology-docker-install/68478 "2020-12-23T13:47:16Z")
I am running DSM 6.1.3 on my Synology NAS, including Docker. I’d love to get Discourse running on it as a test environment. For some reason I can’t seem to get it working. Running Docker I can get the docker image. But … [Previous page](https://meta.discourse.org/c/support/6.md?page=534) [Next page](https://meta.discourse.org/c/support/6.md?page=536)