# Support **URL:** https://meta.discourse.org/c/support/6.md?page=470 [Latest](https://meta.discourse.org/latest.md) · [Categories](https://meta.discourse.org/categories.md) · [Tags](https://meta.discourse.org/tags.md) **Page:** 471 --- ## [DiscourseConnect SSO error](https://meta.discourse.org/t/discourseconnect-sso-error/199390)
**Author:** [@jakelunniss](https://meta.discourse.org/u/jakelunniss)\ **Replies:** 3\ **Last updated:** [August 9, 2021, 1:33am UTC](https://meta.discourse.org/t/discourseconnect-sso-error/199390 "2021-08-09T01:33:27Z")
Hey Brains Trust! I have a problem with the SSO. An existing user who has been authenticated and was previously able to login now gets this message when attempting to access the forum: Here’s his SSO details: I… --- ## [Discourse not using much RAM](https://meta.discourse.org/t/discourse-not-using-much-ram/198805)
**Author:** [@kianwalters05](https://meta.discourse.org/u/kianwalters05)\ **Replies:** 30\ **Last updated:** [August 8, 2021, 8:30pm UTC](https://meta.discourse.org/t/discourse-not-using-much-ram/198805 "2021-08-08T20:30:36Z")
Hi! I have discourse on docker, and it never seems to use any swap when RAM is being used too much, making it so it crashes or say fatal error: out of memory allocating heap arena map if i try to rebuild, unless i rebo… --- ## [What email address is used to send out notifications?](https://meta.discourse.org/t/what-email-address-is-used-to-send-out-notifications/199717)
**Author:** [@toraritte](https://meta.discourse.org/u/toraritte)\ **Replies:** 1\ **Last updated:** [August 8, 2021, 6:42pm UTC](https://meta.discourse.org/t/what-email-address-is-used-to-send-out-notifications/199717 "2021-08-08T18:42:17Z")
I’m about to dive into installing Discourse the first time, and the instructions are clear, but I’m wondering what email address is used to send out notifications once the Discourse is up? Is it the email address of the… --- ## [Email notification for private group messages](https://meta.discourse.org/t/email-notification-for-private-group-messages/156491)
**Author:** [@wlandgraf](https://meta.discourse.org/u/wlandgraf)\ **Replies:** 16\ **Last updated:** [August 8, 2021, 4:54pm UTC](https://meta.discourse.org/t/email-notification-for-private-group-messages/156491 "2021-08-08T16:54:00Z")
I have tried to send two different private messages, message A for a user X and message B for a group (staff) - group which happen to include the same user X, btw. I noticed that a notification e-mail was sent to the us… --- ## [Can I add a banner only on my homepage?](https://meta.discourse.org/t/can-i-add-a-banner-only-on-my-homepage/137178)
**Author:** [@wonmew](https://meta.discourse.org/u/wonmew)\ **Replies:** 5\ **Last updated:** [August 8, 2021, 1:48pm UTC](https://meta.discourse.org/t/can-i-add-a-banner-only-on-my-homepage/137178 "2021-08-08T13:48:03Z")
I want to add a banner on my homepage, not by using the banner topic , because I want to add background image, text, or button. I followed this topic tried put the first part code into my \ then add the rest pa… --- ## [I want to install using a reverse proxy for Apache](https://meta.discourse.org/t/i-want-to-install-using-a-reverse-proxy-for-apache/158519)
**Author:** [@Teraterayuki](https://meta.discourse.org/u/Teraterayuki)\ **Replies:** 13\ **Last updated:** [August 8, 2021, 12:13pm UTC](https://meta.discourse.org/t/i-want-to-install-using-a-reverse-proxy-for-apache/158519 "2021-08-08T12:13:46Z")
I wanted to install using Apache’s reverse proxy and tried to install with a custom port, but it didn’t work. Is there any way to do this? Checking your domain name . . . WARNING: Port 443 of computer does not appear t… --- ## [Mail test -- Cannot assign requested address - connect(2)](https://meta.discourse.org/t/mail-test-cannot-assign-requested-address-connect-2/143658)
**Author:** [@Igami](https://meta.discourse.org/u/Igami)\ **Replies:** 3\ **Last updated:** [August 8, 2021, 10:32am UTC](https://meta.discourse.org/t/mail-test-cannot-assign-requested-address-connect-2/143658 "2021-08-08T10:32:59Z")
Hi Folks, discourse-doctor tells me to post this error: DISCOURSE DOCTOR Sun Mar 8 20:18:13 CET 2020 OS: Linux discourse-mksp 4.15.0-88-generic #88-Ubuntu SMP Tue Feb 11 20:11:34 UTC 2020 x86\_64 x86\_64 x86\_64 GNU/Lin… --- ## [Moving from one S3 bucket to another](https://meta.discourse.org/t/moving-from-one-s3-bucket-to-another/184779)
**Author:** [@pfaffman](https://meta.discourse.org/u/pfaffman)\ **Replies:** 6\ **Last updated:** [August 8, 2021, 4:48am UTC](https://meta.discourse.org/t/moving-from-one-s3-bucket-to-another/184779 "2021-08-08T04:48:23Z")
Continuing the discussion from How do I move my s3 upload bucket from one provider to another?: I’m trying to move from a GCP bucket to an AWS S3 bucket. The old system doesn’t use an S3 CDN (the guy who set it up didn’… --- ## [Installed Discourse in Docker, Cannot Connect](https://meta.discourse.org/t/installed-discourse-in-docker-cannot-connect/199386)
**Author:** [@Seal](https://meta.discourse.org/u/Seal)\ **Replies:** 6\ **Last updated:** [August 8, 2021, 3:08am UTC](https://meta.discourse.org/t/installed-discourse-in-docker-cannot-connect/199386 "2021-08-08T03:08:56Z")
So I used the standard install doc and everything seemed to go fine. I then edited the app.yml to change ports used, commented out LetsEncrypt and rebuilt. Looks like it all went fine. But when I try to connect via the … --- ## [Emojis works in Discourse e-mails?](https://meta.discourse.org/t/emojis-works-in-discourse-e-mails/166916)
**Author:** [@satonotdead](https://meta.discourse.org/u/satonotdead)\ **Replies:** 7\ **Last updated:** [August 7, 2021, 4:53pm UTC](https://meta.discourse.org/t/emojis-works-in-discourse-e-mails/166916 "2021-08-07T16:53:39Z")
I see they are displayed as text ( : slightly\_smiling\_face : ). Mabye we need to configure something to get they working? Thanks! --- ## [The Docs button on meta.discourse](https://meta.discourse.org/t/the-docs-button-on-meta-discourse/199563)
**Author:** [@VincentAlse](https://meta.discourse.org/u/VincentAlse)\ **Replies:** 1\ **Last updated:** [August 7, 2021, 11:20am UTC](https://meta.discourse.org/t/the-docs-button-on-meta-discourse/199563 "2021-08-07T11:20:24Z")
It looks very useful. What kind of plugin is that? Is it available for everybody? Thanks --- ## [Nginx error 502](https://meta.discourse.org/t/nginx-error-502/199458)
**Author:** [@Pro\_Dev](https://meta.discourse.org/u/Pro_Dev)\ **Replies:** 6\ **Last updated:** [August 7, 2021, 10:37am UTC](https://meta.discourse.org/t/nginx-error-502/199458 "2021-08-07T10:37:31Z")
Hi, Second question of the day. I feel very dumb xD Well then, I get 502 Bad gateway. I don’t know nginx that well. I have followed This guide Cheers! --- ## [Discourse won't rebuild](https://meta.discourse.org/t/discourse-wont-rebuild/199487)
**Author:** [@MacGyver27](https://meta.discourse.org/u/MacGyver27)\ **Replies:** 3\ **Last updated:** [August 7, 2021, 10:14am UTC](https://meta.discourse.org/t/discourse-wont-rebuild/199487 "2021-08-07T10:14:34Z")
Hi, My Discourse suddenly won’t rebuild. I was doing regular updates for over a 3 years and had no issues, but the latest try can’t go through.. I did no administration changes to the setup - neither introduced new them… --- ## [Automating the installation process](https://meta.discourse.org/t/automating-the-installation-process/100996)
**Author:** [@drmrbrewer](https://meta.discourse.org/u/drmrbrewer)\ **Replies:** 4\ **Last updated:** [October 31, 2018, 11:00pm UTC](https://meta.discourse.org/t/automating-the-installation-process/100996 "2018-10-31T23:00:08Z")
I’m following the steps in the install guide and it works just fine. Now I’m considering how I can automate this process (as part of a script run when spinning up a new server). When it comes to running ./discourse-set… --- ## [Migrate from PlushForums](https://meta.discourse.org/t/migrate-from-plushforums/199356)
**Author:** [@Michael\_Rushton](https://meta.discourse.org/u/Michael_Rushton)\ **Replies:** 1\ **Last updated:** [August 7, 2021, 12:48am UTC](https://meta.discourse.org/t/migrate-from-plushforums/199356 "2021-08-07T00:48:46Z")
Is it possible to migrate from PlushForums? As far as I know it’s a fork of Vanilla (or was in 2014) and I can see that there’s a Vanilla import script. Does this work with PlushForums? --- ## [UNEXPECTED ERROR 500 5.0.0 - no-Email sending](https://meta.discourse.org/t/unexpected-error-500-5-0-0-no-email-sending/187934)
**Author:** [@olivier.g](https://meta.discourse.org/u/olivier.g)\ **Replies:** 3\ **Last updated:** [August 6, 2021, 11:45pm UTC](https://meta.discourse.org/t/unexpected-error-500-5-0-0-no-email-sending/187934 "2021-08-06T23:45:32Z")
Hi I installed discourse: following the offical 30min tutorial Ubuntu 20.04 I get to the “Congratulations, you installed Discourse” screen I can register and it says that it sent an e-mail - but no e-mail reaches my i… --- ## [How can I make Discourse use Asp.Net Core 3.1 webapp as an Identity Provider](https://meta.discourse.org/t/how-can-i-make-discourse-use-asp-net-core-3-1-webapp-as-an-identity-provider/161051)
**Author:** [@DotNetCoder](https://meta.discourse.org/u/DotNetCoder)\ **Replies:** 1\ **Last updated:** [August 6, 2021, 6:24pm UTC](https://meta.discourse.org/t/how-can-i-make-discourse-use-asp-net-core-3-1-webapp-as-an-identity-provider/161051 "2021-08-06T18:24:15Z")
Here’s the problem I’m trying to solve: I have an Asp.net Core 3.1 web app with Identity (not Identity Server - yet) running at beta.example.com. Users can register, create profiles, sign in with Google/FB, etc. Bog st… --- ## [Best Practices for Open Graph setup with a new community?](https://meta.discourse.org/t/best-practices-for-open-graph-setup-with-a-new-community/96444)
**Author:** [@jord8on](https://meta.discourse.org/u/jord8on)\ **Replies:** 4\ **Last updated:** [May 13, 2020, 6:33am UTC](https://meta.discourse.org/t/best-practices-for-open-graph-setup-with-a-new-community/96444 "2020-05-13T06:33:29Z")
I just installed a fresh instance of Discourse and wanted to know if there is a detailed help topic or guide that outlines the importance of having an open graph image url added to settings. Would also be nice to have so… --- ## [Discourse PWA notifications](https://meta.discourse.org/t/discourse-pwa-notifications/199404)
**Author:** [@VincentAlse](https://meta.discourse.org/u/VincentAlse)\ **Replies:** 3\ **Last updated:** [August 6, 2021, 4:41pm UTC](https://meta.discourse.org/t/discourse-pwa-notifications/199404 "2021-08-06T16:41:49Z")
Hi, I wonder what’s the current status with PWA push notifications. I searched and got mixed answers. Is the push notification function working on Andriod and IOS right now? And if they are not working, what’s the fu… --- ## [Rebuild app fails (Docker and cat)](https://meta.discourse.org/t/rebuild-app-fails-docker-and-cat/199443)
**Author:** [@Pro\_Dev](https://meta.discourse.org/u/Pro_Dev)\ **Replies:** 7\ **Last updated:** [August 6, 2021, 4:18pm UTC](https://meta.discourse.org/t/rebuild-app-fails-docker-and-cat/199443 "2021-08-06T16:18:43Z")
root@vmi634351:/var/discourse# sudo ./launcher rebuild app Ensuring launcher is up to date Fetching origin Launcher is up-to-date Stopping old container + /usr/bin/docker stop -t 60 app app cat: templates: Is a directory… --- ## [Direct delivery mail receiver: whitelists?](https://meta.discourse.org/t/direct-delivery-mail-receiver-whitelists/199406)
**Author:** [@doppiaemme](https://meta.discourse.org/u/doppiaemme)\ **Replies:** 1\ **Last updated:** [August 6, 2021, 12:26pm UTC](https://meta.discourse.org/t/direct-delivery-mail-receiver-whitelists/199406 "2021-08-06T12:26:11Z")
hi, I saw how to blacklist some domains in the mail-receiver container qq.com REJECT 163.com REJECT but similarly, is it possible to whitelist some domains only and automatically blacklist all the others? I am using… --- ## [Notifications for Admin inbox](https://meta.discourse.org/t/notifications-for-admin-inbox/199202)
**Author:** [@coverbeck](https://meta.discourse.org/u/coverbeck)\ **Replies:** 2\ **Last updated:** [August 5, 2021, 10:07pm UTC](https://meta.discourse.org/t/notifications-for-admin-inbox/199202 "2021-08-05T22:07:08Z")
I feel I am missing something basic/obvious, but how do you get notifications for the admins inbox? We are using the discourse-chat-integration plugin to send Slack notifications for categories, but I don’t think that c… --- ## [No default homepage user option](https://meta.discourse.org/t/no-default-homepage-user-option/199229)
**Author:** [@satonotdead](https://meta.discourse.org/u/satonotdead)\ **Replies:** 2\ **Last updated:** [August 5, 2021, 3:40pm UTC](https://meta.discourse.org/t/no-default-homepage-user-option/199229 "2021-08-05T15:40:50Z")
That option stills in Discourse? https://github.com/discourse/discourse/pull/5268 I don’t see it in our latest Discourse forum: --- ## [Emails are not sent](https://meta.discourse.org/t/emails-are-not-sent/199276)
**Author:** [@Amadov](https://meta.discourse.org/u/Amadov)\ **Replies:** 3\ **Last updated:** [August 5, 2021, 4:31pm UTC](https://meta.discourse.org/t/emails-are-not-sent/199276 "2021-08-05T16:31:54Z")
I ask for help, sending letters to the mail does not work, what should I do? Already tried everything, nothing helps --- ## [Direct users into closed categories](https://meta.discourse.org/t/direct-users-into-closed-categories/198907)
**Author:** [@Roni](https://meta.discourse.org/u/Roni)\ **Replies:** 5\ **Last updated:** [August 5, 2021, 11:47am UTC](https://meta.discourse.org/t/direct-users-into-closed-categories/198907 "2021-08-05T11:47:46Z")
Hey everyone. As our community grows, we are exploring the possibility of sending users directly into closed categories within Discourse. In other words, offering users a link to register and then directing them to a c… --- ## [Bug on topic interface after an update || Resolved](https://meta.discourse.org/t/bug-on-topic-interface-after-an-update-resolved/199019)
**Author:** [@Ana\_d](https://meta.discourse.org/u/Ana_d)\ **Replies:** 8\ **Last updated:** [August 5, 2021, 11:44am UTC](https://meta.discourse.org/t/bug-on-topic-interface-after-an-update-resolved/199019 "2021-08-05T11:44:54Z")
Hello, I have this bug As you can see the categories and it’s description are not shown properly. How can I change that ? Thank you --- ## [Bypass image processing / access original source image?](https://meta.discourse.org/t/bypass-image-processing-access-original-source-image/100868)
**Author:** [@ryanerwin](https://meta.discourse.org/u/ryanerwin)\ **Replies:** 1\ **Last updated:** [October 31, 2018, 10:08am UTC](https://meta.discourse.org/t/bypass-image-processing-access-original-source-image/100868 "2018-10-31T10:08:36Z")
Users of our Discourse forum have a device that photographs and displays holographic images. Think 3D x 2. I would like to allow users to upload this format of holographic still (3.3 MB, 8.3 Megapixel, 3840 x 2160) direc… --- ## [Global messages on 94632 timed out, restarting process, 95535 successfully terminated by \`TERM\` signal](https://meta.discourse.org/t/global-messages-on-94632-timed-out-restarting-process-95535-successfully-terminated-by-term-signal/198794)
**Author:** [@Aashish\_Gangwani](https://meta.discourse.org/u/Aashish_Gangwani)\ **Replies:** 4\ **Last updated:** [August 5, 2021, 5:16am UTC](https://meta.discourse.org/t/global-messages-on-94632-timed-out-restarting-process-95535-successfully-terminated-by-term-signal/198794 "2021-08-05T05:16:30Z")
I am on the Apple M1 Macbook pro. I have been trying to install discourse since morning and have reached bundle exec rails server in this tutorial Install Discourse on macOS for development. I have been also trying to fo… --- ## [How to handle an anonymized user wanting to gain access back to their account?](https://meta.discourse.org/t/how-to-handle-an-anonymized-user-wanting-to-gain-access-back-to-their-account/276042)
**Author:** [@Cécile\_Savoie](https://meta.discourse.org/u/C%C3%A9cile_Savoie)\ **Replies:** 13\ **Last updated:** [August 4, 2021, 11:40pm UTC](https://meta.discourse.org/t/how-to-handle-an-anonymized-user-wanting-to-gain-access-back-to-their-account/276042 "2021-08-04T23:40:18Z")
If a previously Anonymized user ask to join again, could we replace his Anon12345 handle with a new one so that all his old posts are associated with his account? --- ## [Web crawler question](https://meta.discourse.org/t/web-crawler-question/199178)
**Author:** [@Jim.Morrison](https://meta.discourse.org/u/Jim.Morrison)\ **Replies:** 1\ **Last updated:** [August 4, 2021, 8:12pm UTC](https://meta.discourse.org/t/web-crawler-question/199178 "2021-08-04T20:12:49Z")
Good afternoon, is there any specific way an HTTP request can identify as a web crawler request to the Discourse server? The reason is the website uses elements like infinite scroll and so had a question on whether the … [Previous page](https://meta.discourse.org/c/support/6.md?page=469) [Next page](https://meta.discourse.org/c/support/6.md?page=471)