# Self-hosting

**URL:** https://meta.discourse.org/c/support/self-hosting/31.md?page=78

[Latest](https://meta.discourse.org/latest.md) · [Categories](https://meta.discourse.org/categories.md) · [Tags](https://meta.discourse.org/tags.md)

**Page:** 79

---

## [Docker update button does not respond](https://meta.discourse.org/t/docker-update-button-does-not-respond/200551)

<div class="topic-metadata">

**Author:** [@aaron.n.w](https://meta.discourse.org/u/aaron.n.w)\
**Replies:** 1\
**Last updated:** [August 17, 2021, 10:24pm UTC](https://meta.discourse.org/t/docker-update-button-does-not-respond/200551 "2021-08-17T22:24:31Z")

</div>

G’day everyone, From what I’ve read it seems like you can just click on the notification and it works as a link to the latest update. In this case it’s not responding and there isn’t any obvious options. The link un…

---

## [Discourse installation on Azure not reachable](https://meta.discourse.org/t/discourse-installation-on-azure-not-reachable/36880)

<div class="topic-metadata">

**Author:** [@Abhay\_Ghatpande](https://meta.discourse.org/u/Abhay_Ghatpande)\
**Replies:** 10\
**Last updated:** [August 17, 2021, 4:25pm UTC](https://meta.discourse.org/t/discourse-installation-on-azure-not-reachable/36880 "2021-08-17T16:25:42Z")

</div>

I created a new Ubuntu 14.04 VM on Microsoft Azure and installed Discourse using the guide here: discourse/docs/INSTALL-cloud.md at main · discourse/discourse · GitHub The entire installation went perfectly, but the ins…

---

## [App.yml file does not exist when installing Discourse locally](https://meta.discourse.org/t/app-yml-file-does-not-exist-when-installing-discourse-locally/199760)

<div class="topic-metadata">

**Author:** [@hyphalos](https://meta.discourse.org/u/hyphalos)\
**Replies:** 3\
**Last updated:** [August 17, 2021, 12:02am UTC](https://meta.discourse.org/t/app-yml-file-does-not-exist-when-installing-discourse-locally/199760 "2021-08-17T00:02:09Z")

</div>

Hi Discourse Community! I followed the instructions here on how to install Discourse locally through Docker on MacOS but I don’t seem to have the app.yml file to configure the platform. I was hoping to use this as a tes…

---

## [Create swapfile in installation guide](https://meta.discourse.org/t/create-swapfile-in-installation-guide/200474)

<div class="topic-metadata">

**Author:** [@Don](https://meta.discourse.org/u/Don)\
**Replies:** 7\
**Last updated:** [August 15, 2021, 9:27pm UTC](https://meta.discourse.org/t/create-swapfile-in-installation-guide/200474 "2021-08-15T21:27:41Z")

</div>

Hello, That is going to be really good if the official installation guide contains such information like Create a swapfile for your Linux server I always forget create it after install. I think swapfile is too useful t…

---

## [How do I reveal real IPs using CloudFlare](https://meta.discourse.org/t/how-do-i-reveal-real-ips-using-cloudflare/199978)

<div class="topic-metadata">

**Author:** [@EddieT](https://meta.discourse.org/u/EddieT)\
**Replies:** 13\
**Last updated:** [August 15, 2021, 5:42pm UTC](https://meta.discourse.org/t/how-do-i-reveal-real-ips-using-cloudflare/199978 "2021-08-15T17:42:23Z")

</div>

I use cloudflare for my forum for multiple reasons, but I want to get the real IP of my visitors so I can get accurate data of how many people are signed up with that IP address, and so IP banning, etc works. Is there a…

---

## [After recoverying a Backup file on new "On-premise" VM - Site no longer works](https://meta.discourse.org/t/after-recoverying-a-backup-file-on-new-on-premise-vm-site-no-longer-works/200399)

<div class="topic-metadata">

**Author:** [@ITAS-Isti](https://meta.discourse.org/u/ITAS-Isti)\
**Replies:** 26\
**Last updated:** [August 15, 2021, 4:28pm UTC](https://meta.discourse.org/t/after-recoverying-a-backup-file-on-new-on-premise-vm-site-no-longer-works/200399 "2021-08-15T16:28:00Z")

</div>

Hi, I habe recovered a Backup File from the cloud instance. After recovering it on my own debian server, the URL / Title of the page can be seen the login page is however white. “Safe Mode” does not work. Browser Cach…

---

## [Difference between STMP address and STMP user name?](https://meta.discourse.org/t/difference-between-stmp-address-and-stmp-user-name/200436)

<div class="topic-metadata">

**Author:** [@Zeexu](https://meta.discourse.org/u/Zeexu)\
**Replies:** 1\
**Last updated:** [August 14, 2021, 10:13pm UTC](https://meta.discourse.org/t/difference-between-stmp-address-and-stmp-user-name/200436 "2021-08-14T22:13:15Z")

</div>

Hey Guys, Please tell me the difference so I can setup discourse. Mailgun setup is done just stuck at this point.

---

## [Installing Discourse to Debian 10.5](https://meta.discourse.org/t/installing-discourse-to-debian-10-5/200085)

<div class="topic-metadata">

**Author:** [@ITAS-Isti](https://meta.discourse.org/u/ITAS-Isti)\
**Replies:** 6\
**Last updated:** [August 11, 2021, 5:02pm UTC](https://meta.discourse.org/t/installing-discourse-to-debian-10-5/200085 "2021-08-11T17:02:20Z")

</div>

Hallo, I just tried to install Discourse to Debian 10.5: root@itas-vm-2:/var/discourse# ls bin cids containers discourse-doctor discourse-setup image launcher LICENSE README.md samples scripts shared templa…

---

## [Install all plugins](https://meta.discourse.org/t/install-all-plugins/200132)

<div class="topic-metadata">

**Author:** [@OverseersMight](https://meta.discourse.org/u/OverseersMight)\
**Replies:** 4\
**Last updated:** [August 12, 2021, 2:57pm UTC](https://meta.discourse.org/t/install-all-plugins/200132 "2021-08-12T14:57:30Z")

</div>

How would I install all the plugins here as if they were part of my app.yml? https://github.com/discourse/all-the-plugins I tried inserting the command provided in my yml as: hooks: after\_code: - exec: c…

---

## [SMTP 503 5.5.1 Error: authentication not enabled](https://meta.discourse.org/t/smtp-503-5-5-1-error-authentication-not-enabled/199006)

<div class="topic-metadata">

**Author:** [@tiagofreitas87](https://meta.discourse.org/u/tiagofreitas87)\
**Replies:** 9\
**Last updated:** [August 11, 2021, 10:45pm UTC](https://meta.discourse.org/t/smtp-503-5-5-1-error-authentication-not-enabled/199006 "2021-08-11T22:45:26Z")

</div>

I am using a local postfix smtp and getting this error: 503 5.5.1 Error: authentication not enabled DISCOURSE\_SMTP\_ADDRESS: mail.xxx.net DISCOURSE\_SMTP\_PORT: 587 DISCOURSE\_SMTP\_USER\_NAME: resources@xxx.net DISCOURSE…

---

## [Discourse update plugin without docker](https://meta.discourse.org/t/discourse-update-plugin-without-docker/199988)

<div class="topic-metadata">

**Author:** [@dan7](https://meta.discourse.org/u/dan7)\
**Replies:** 5\
**Last updated:** [August 10, 2021, 7:12pm UTC](https://meta.discourse.org/t/discourse-update-plugin-without-docker/199988 "2021-08-10T19:12:21Z")

</div>

Hey folks i have installed discourse on ubuntu 18.04 server with out docker but in the mean time i need to upgrade the plugins , if any one could help i did use the following steps but seems doesn’t work ,

---

## [Sending emails not working](https://meta.discourse.org/t/sending-emails-not-working/149883)

<div class="topic-metadata">

**Author:** [@Kristian](https://meta.discourse.org/u/Kristian)\
**Replies:** 13\
**Last updated:** [August 9, 2021, 5:46pm UTC](https://meta.discourse.org/t/sending-emails-not-working/149883 "2021-08-09T17:46:49Z")

</div>

My digitalocean discourse droplet can’t send mails. The error I get is: Delivered mail d8f9bf03-a3ce-4b42-8226-fc4f40a9c724@foo.barbar.com (5099.4ms) Job exception: 504 5.7.4 Unrecognized authentication type \[BL0PR0102…

---

## [Discourse not using much RAM](https://meta.discourse.org/t/discourse-not-using-much-ram/198805)

<div class="topic-metadata">

**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")

</div>

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)

<div class="topic-metadata">

**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")

</div>

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…

---

## [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)

<div class="topic-metadata">

**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")

</div>

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)

<div class="topic-metadata">

**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")

</div>

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…

---

## [Installed Discourse in Docker, Cannot Connect](https://meta.discourse.org/t/installed-discourse-in-docker-cannot-connect/199386)

<div class="topic-metadata">

**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")

</div>

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 …

---

## [Nginx error 502](https://meta.discourse.org/t/nginx-error-502/199458)

<div class="topic-metadata">

**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")

</div>

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)

<div class="topic-metadata">

**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")

</div>

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…

---

## [UNEXPECTED ERROR 500 5.0.0 - no-Email sending](https://meta.discourse.org/t/unexpected-error-500-5-0-0-no-email-sending/187934)

<div class="topic-metadata">

**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")

</div>

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…

---

## [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)

<div class="topic-metadata">

**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")

</div>

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…

---

## [Rebuild app fails (Docker and cat)](https://meta.discourse.org/t/rebuild-app-fails-docker-and-cat/199443)

<div class="topic-metadata">

**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")

</div>

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…

---

## [Emails are not sent](https://meta.discourse.org/t/emails-are-not-sent/199276)

<div class="topic-metadata">

**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")

</div>

I ask for help, sending letters to the mail does not work, what should I do? Already tried everything, nothing helps

---

## [Centos 7 - Docker and FirewallD](https://meta.discourse.org/t/centos-7-docker-and-firewalld/32045)

<div class="topic-metadata">

**Author:** [@nawarei](https://meta.discourse.org/u/nawarei)\
**Replies:** 6\
**Last updated:** [August 16, 2015, 4:39am UTC](https://meta.discourse.org/t/centos-7-docker-and-firewalld/32045 "2015-08-16T04:39:07Z")

</div>

Hi, I am having a issue with Docker when I run FirewallD on my Centos 7 servers, what I have noticed is that when it runs I loss connectivity to the internet as well as my POSTFIX service I have on the host OS(I use thi…

---

## [Upgrade from 2.8.0.beta1 -\> beta4 fails on DB migrate?](https://meta.discourse.org/t/upgrade-from-2-8-0-beta1-beta4-fails-on-db-migrate/199150)

<div class="topic-metadata">

**Author:** [@norandom](https://meta.discourse.org/u/norandom)\
**Replies:** 4\
**Last updated:** [August 4, 2021, 5:34pm UTC](https://meta.discourse.org/t/upgrade-from-2-8-0-beta1-beta4-fails-on-db-migrate/199150 "2021-08-04T17:34:11Z")

</div>

Hey, I am running a launcher rebuild to upgrade from 2.8.0.beta1 → beta4. I disabled all unofficial plugins, but it seems our bug is within the core. app.yaml for a simple single container build: templates: - "temp…

---

## [The \`$rake db:\*\` commands and initializing a Discourse instance](https://meta.discourse.org/t/the-rake-db-commands-and-initializing-a-discourse-instance/198938)

<div class="topic-metadata">

**Author:** [@jontrossbach](https://meta.discourse.org/u/jontrossbach)\
**Replies:** 4\
**Last updated:** [August 4, 2021, 2:28pm UTC](https://meta.discourse.org/t/the-rake-db-commands-and-initializing-a-discourse-instance/198938 "2021-08-04T14:28:31Z")

</div>

First off, thank you to the devs for creating such a great app! I am hoping I might be able to get something clarified that has me confused. I was under the impression that the proper way to use $ rake db:\* commands in …

---

## [Plugins don't show up](https://meta.discourse.org/t/plugins-dont-show-up/198904)

<div class="topic-metadata">

**Author:** [@Stephan\_Goeldi](https://meta.discourse.org/u/Stephan_Goeldi)\
**Replies:** 2\
**Last updated:** [August 4, 2021, 11:47am UTC](https://meta.discourse.org/t/plugins-dont-show-up/198904 "2021-08-04T11:47:05Z")

</div>

I’m running a Discourse site the developer way, so no Docker implemented. I am running separate services for sidekiq, redis and discourse. Everything works ok. Only if I install a new plugin (I git-clone it into the /pl…

---

## [Images are not being populated in discourse](https://meta.discourse.org/t/images-are-not-being-populated-in-discourse/196269)

<div class="topic-metadata">

**Author:** [@Ishita](https://meta.discourse.org/u/Ishita)\
**Replies:** 1\
**Last updated:** [August 4, 2021, 7:00am UTC](https://meta.discourse.org/t/images-are-not-being-populated-in-discourse/196269 "2021-08-04T07:00:15Z")

</div>

I have installed discourse by implementing the link given below. I need to set up discourse for my company but it seems that after creating a new topic incorporating an image we are not able to view the image. Failed …

---

## [Fatal error when trying to start Docker (Oracle VM)](https://meta.discourse.org/t/fatal-error-when-trying-to-start-docker-oracle-vm/193482)

<div class="topic-metadata">

**Author:** [@Meathead40](https://meta.discourse.org/u/Meathead40)\
**Replies:** 17\
**Last updated:** [August 3, 2021, 6:41pm UTC](https://meta.discourse.org/t/fatal-error-when-trying-to-start-docker-oracle-vm/193482 "2021-08-03T18:41:34Z")

</div>

Hi all - new to Discourse (looks awesome!) and although I have a some general technical skill, I think I’d classify myself as a relative noob in the docker/linux VM world. I have a free oracle VM running Oracle Linux. …

---

## [Error executing command "./launcher rebuild app"](https://meta.discourse.org/t/error-executing-command-launcher-rebuild-app/199017)

<div class="topic-metadata">

**Author:** [@Rhod](https://meta.discourse.org/u/Rhod)\
**Replies:** 5\
**Last updated:** [August 3, 2021, 5:38pm UTC](https://meta.discourse.org/t/error-executing-command-launcher-rebuild-app/199017 "2021-08-03T17:38:24Z")

</div>

Hello. The command “./launcher rebuild app” does not work for me. Discourse installed in Digital Ocean Ubuntu 20.04.2 After SSHing into my server I found that I needed an update so I ran “apt-get update” and “apt-get…

[Previous page](https://meta.discourse.org/c/support/self-hosting/31.md?page=77)

[Next page](https://meta.discourse.org/c/support/self-hosting/31.md?page=79)
