# Self-hosting **URL:** https://meta.discourse.org/c/support/self-hosting/31.md?page=70 [Latest](https://meta.discourse.org/latest.md) · [Categories](https://meta.discourse.org/categories.md) · [Tags](https://meta.discourse.org/tags.md) **Page:** 71 --- ## ['768 worker\_connections are not enough' Error](https://meta.discourse.org/t/768-worker-connections-are-not-enough-error/192376)
**Author:** [@bartv](https://meta.discourse.org/u/bartv)\ **Replies:** 15\ **Last updated:** [February 18, 2022, 7:54pm UTC](https://meta.discourse.org/t/768-worker-connections-are-not-enough-error/192376 "2022-02-18T19:54:11Z")
Hey! Since rebuilding today we’re experiencing a high number of server errors. It seems to be an nginx connection issue; in nginx/error.log I sometimes see bursts of 768 worker\_connections are not enough messages like t… --- ## [Broken instance after updating to 2.9.0.beta2](https://meta.discourse.org/t/broken-instance-after-updating-to-2-9-0-beta2/218121)
**Author:** [@Anton\_Akhmerov](https://meta.discourse.org/u/Anton_Akhmerov)\ **Replies:** 17\ **Last updated:** [February 14, 2022, 2:03pm UTC](https://meta.discourse.org/t/broken-instance-after-updating-to-2-9-0-beta2/218121 "2022-02-14T14:03:57Z")
After doing a one-click update of an instance to 2.9.0.beta2 I see a blank screen with these errors in the dev console: I’m using the following plugins: GitHub - discourse/discourse-math: Official MathJax support f… --- ## [Skip Redis Version Check](https://meta.discourse.org/t/skip-redis-version-check/218480)
**Author:** [@NotAnonymous](https://meta.discourse.org/u/NotAnonymous)\ **Replies:** 5\ **Last updated:** [February 17, 2022, 3:09pm UTC](https://meta.discourse.org/t/skip-redis-version-check/218480 "2022-02-17T15:09:32Z")
Is it possible to skip the redis version check on a rebuild? Rebuild started failing on the most recent version of Discourse and the only error I’m seeing is that Discourse requires Redis 6.2.0 or above. We’re using an… --- ## [High CPU usage after 2.2 update?](https://meta.discourse.org/t/high-cpu-usage-after-2-2-update/108279)
**Author:** [@peternlewis](https://meta.discourse.org/u/peternlewis)\ **Replies:** 11\ **Last updated:** [February 4, 2019, 10:47pm UTC](https://meta.discourse.org/t/high-cpu-usage-after-2-2-update/108279 "2019-02-04T22:47:21Z")
I am getting a stream of CPU usage alerts from my server, possibly after updating to Discourse 2.2. Looking at the usage, it looks like there is a lot of image conversion stuff going on, eg: convert png:/var/www/discou… --- ## [Storing Images in the cloud](https://meta.discourse.org/t/storing-images-in-the-cloud/6779)
**Author:** [@colin](https://meta.discourse.org/u/colin)\ **Replies:** 14\ **Last updated:** [April 2, 2015, 6:23am UTC](https://meta.discourse.org/t/storing-images-in-the-cloud/6779 "2015-04-02T06:23:18Z")
My project tonight is to get image hosting working. After a recent upgrade it looks like something got screwed up. When I redeploy, the images get b0rked. There are 3 option I’m exploring and dang nabbit, I’m going to… --- ## [Discourse not accessible - SSL Issue](https://meta.discourse.org/t/discourse-not-accessible-ssl-issue/217080)
**Author:** [@stuartleech](https://meta.discourse.org/u/stuartleech)\ **Replies:** 20\ **Last updated:** [February 15, 2022, 7:11pm UTC](https://meta.discourse.org/t/discourse-not-accessible-ssl-issue/217080 "2022-02-15T19:11:35Z")
Hi there, Forum is here: https://forum.survivingeconomicabuse.org/ I’ve been told this is now inaccessible due to the expired SSL certificate. I set the site up last summer and the forum was secured but obviously it’s… --- ## [Upgrade from 2.8.0.beta8 to 2.9.0.beta2 failed](https://meta.discourse.org/t/upgrade-from-2-8-0-beta8-to-2-9-0-beta2-failed/218231)
**Author:** [@ntgd5slkfdf](https://meta.discourse.org/u/ntgd5slkfdf)\ **Replies:** 1\ **Last updated:** [February 15, 2022, 11:22am UTC](https://meta.discourse.org/t/upgrade-from-2-8-0-beta8-to-2-9-0-beta2-failed/218231 "2022-02-15T11:22:09Z")
Discourse website currently returning a 500 error status code, but /admin/ still works \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* \*\*\* Please be patient, next steps might take a while \*\*\* \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*… --- ## [Warnings on upgrade to 2.9.0.beta1](https://meta.discourse.org/t/warnings-on-upgrade-to-2-9-0-beta1/217793)
**Author:** [@Jonathan5](https://meta.discourse.org/u/Jonathan5)\ **Replies:** 5\ **Last updated:** [February 15, 2022, 10:01am UTC](https://meta.discourse.org/t/warnings-on-upgrade-to-2-9-0-beta1/217793 "2022-02-15T10:01:20Z")
Are any of these anything to worry about? I think I’ve seen some of them before, and suspect that the answer is No, though it would be good to hear that :slight\_smile: Thanks. 103:M 10 Feb 2022 14:23:47.564 # WARNING ov… --- ## [FAILED when try install plugin](https://meta.discourse.org/t/failed-when-try-install-plugin/217302)
**Author:** [@RedBear](https://meta.discourse.org/u/RedBear)\ **Replies:** 9\ **Last updated:** [February 7, 2022, 10:30pm UTC](https://meta.discourse.org/t/failed-when-try-install-plugin/217302 "2022-02-07T22:30:32Z")
Hey :wave: I’m use latest version Discourse and havethis error when try install plugin: GitHub - discourse/discourse-encrypt: A plugin that provides a secure communication channel through Discourse. · GitHub How to fix… --- ## [Nginx config in Discourse Docker?](https://meta.discourse.org/t/nginx-config-in-discourse-docker/217699)
**Author:** [@Sergio777](https://meta.discourse.org/u/Sergio777)\ **Replies:** 3\ **Last updated:** [February 10, 2022, 9:52am UTC](https://meta.discourse.org/t/nginx-config-in-discourse-docker/217699 "2022-02-10T09:52:08Z")
Hi! I installed Discourse Docker, I need to make changes in the Nginx config, but I can’t found file configuration. In the directory /etc/ folder nginx at all :frowning: /var/www, /var/nginx/conf, /etc/nginx - folders d… --- ## [Connecting to a SMTP server on localhost:25 without auth?](https://meta.discourse.org/t/connecting-to-a-smtp-server-on-localhost-25-without-auth/156849)
**Author:** [@maltfield](https://meta.discourse.org/u/maltfield)\ **Replies:** 14\ **Last updated:** [February 14, 2022, 2:58pm UTC](https://meta.discourse.org/t/connecting-to-a-smtp-server-on-localhost-25-without-auth/156849 "2022-02-14T14:58:52Z")
What are the correct settings passed to ./discourse-setup for connecting to an smtp server on localhost:25 without auth? I’m very surprised that this isn’t supported OOTB; it’s the default config on most linux installs.… --- ## [Discourse stuck in updating](https://meta.discourse.org/t/discourse-stuck-in-updating/205616)
**Author:** [@kdmilelr45](https://meta.discourse.org/u/kdmilelr45)\ **Replies:** 5\ **Last updated:** [February 13, 2022, 3:56am UTC](https://meta.discourse.org/t/discourse-stuck-in-updating/205616 "2022-02-13T03:56:08Z")
My discourse instance is stuck at updating latest-release +293 its been there now 3 days can you assist O/S: Ubuntu 20.04 I performed these commands and rebooted still stuck cd /var/discourse git pull ./launcher re… --- ## [Restore fails: could not create unique index](https://meta.discourse.org/t/restore-fails-could-not-create-unique-index/195867)
**Author:** [@samnazarko](https://meta.discourse.org/u/samnazarko)\ **Replies:** 10\ **Last updated:** [February 13, 2022, 3:31am UTC](https://meta.discourse.org/t/restore-fails-could-not-create-unique-index/195867 "2022-02-13T03:31:17Z")
Hi, I’m trying to restore a backup on to a new Discourse instance as I am performing a server migration. Unfortunately I get this error: I’ve had a read of this: Restore fails - could not create unique index - #2 by s… --- ## [How I fixed a table from postgres](https://meta.discourse.org/t/how-i-fixed-a-table-from-postgres/218012)
**Author:** [@Mr.X\_Mr.X](https://meta.discourse.org/u/Mr.X_Mr.X)\ **Replies:** 0\ **Last updated:** [February 13, 2022, 2:55am UTC](https://meta.discourse.org/t/how-i-fixed-a-table-from-postgres/218012 "2022-02-13T02:55:35Z")
I’m writing this post regarding a postgres table missing chunk error that was failing my daily backups. I managed to sort it out and I want to lay out the method I’ve used in case it can be of use for someone else encoun… --- ## [SMTP works with test emails but not with new activations](https://meta.discourse.org/t/smtp-works-with-test-emails-but-not-with-new-activations/217746)
**Author:** [@dallascyclist](https://meta.discourse.org/u/dallascyclist)\ **Replies:** 8\ **Last updated:** [February 12, 2022, 10:13am UTC](https://meta.discourse.org/t/smtp-works-with-test-emails-but-not-with-new-activations/217746 "2022-02-12T10:13:37Z")
Greetings, I followed the instructions here Install Discourse Forum on Ubuntu 18.04 Without Docker and got a working Discourse set up with minimal issues. Upgraded to the latest version and everything seems fine except… --- ## [Standard server maintaince question](https://meta.discourse.org/t/standard-server-maintaince-question/217951)
**Author:** [@arkklo](https://meta.discourse.org/u/arkklo)\ **Replies:** 3\ **Last updated:** [February 12, 2022, 5:54am UTC](https://meta.discourse.org/t/standard-server-maintaince-question/217951 "2022-02-12T05:54:09Z")
Hello guys, I have a Discourse forum that I created last year. It has been up and running for over 12 months. I deployed it via DigitalOcean one-click app. Server specs: Ubuntu, 2GB / 1CPU. My question is, how do I kee… --- ## [Using other ports than 80 and 443 - HowTo?](https://meta.discourse.org/t/using-other-ports-than-80-and-443-howto/217915)
**Author:** [@networker007](https://meta.discourse.org/u/networker007)\ **Replies:** 5\ **Last updated:** [February 11, 2022, 9:14pm UTC](https://meta.discourse.org/t/using-other-ports-than-80-and-443-howto/217915 "2022-02-11T21:14:23Z")
I am desperate … I need your help. I tried for hours and searched the www for information. I cannot use port 80 and 443 because they are reserved for another server in my network. in the router. pure port forwarding (fr… --- ## [Incoming e-mail not received](https://meta.discourse.org/t/incoming-e-mail-not-received/217636)
**Author:** [@JustinSjouw](https://meta.discourse.org/u/JustinSjouw)\ **Replies:** 20\ **Last updated:** [February 11, 2022, 9:50am UTC](https://meta.discourse.org/t/incoming-e-mail-not-received/217636 "2022-02-11T09:50:14Z")
Hi There, I have setup a Discourse environment per the standard Docker container and added the mail-receiver container. When I look at https://mxtoolbox.com/ my domain community.mountainbikemuseum.net also points to th… --- ## [Self-hosted mail-receiver update following Let's Encrypt root certificate change](https://meta.discourse.org/t/self-hosted-mail-receiver-update-following-lets-encrypt-root-certificate-change/204924)
**Author:** [@david](https://meta.discourse.org/u/david)\ **Replies:** 12\ **Last updated:** [February 10, 2022, 3:09pm UTC](https://meta.discourse.org/t/self-hosted-mail-receiver-update-following-lets-encrypt-root-certificate-change/204924 "2022-02-10T15:09:26Z")
This announcement only affects self-hosters who are running Configure direct-delivery incoming email for self-hosted sites with Mail-Receiver. Managed hosting customers, and self-hosters using POP3 for incoming mail are … --- ## [Installation unable to connect to GitHub](https://meta.discourse.org/t/installation-unable-to-connect-to-github/217758)
**Author:** [@vsiryxm](https://meta.discourse.org/u/vsiryxm)\ **Replies:** 10\ **Last updated:** [February 10, 2022, 2:55pm UTC](https://meta.discourse.org/t/installation-unable-to-connect-to-github/217758 "2022-02-10T14:55:24Z")
The environment I use is aliyun ECS (1Core 2 GiB Ubuntu 20.04 64bit), source.list is also the default of aliyun. In the past two days, I have installed N times according to the novice installation tutorial of discourse, … --- ## [Failed Upgrade Discourse and Plugins](https://meta.discourse.org/t/failed-upgrade-discourse-and-plugins/217755)
**Author:** [@simonfen](https://meta.discourse.org/u/simonfen)\ **Replies:** 17\ **Last updated:** [February 10, 2022, 1:17pm UTC](https://meta.discourse.org/t/failed-upgrade-discourse-and-plugins/217755 "2022-02-10T13:17:53Z")
Hi. Tried to upgrade to the new version of Discourse and other plugins by pressing Upgrade All in the Docker Manager. However the upgrade failed. Last Line was : Spinning up 3 Unicorn worker(s) that were used initially.… --- ## [Install discourse failed due to Custom Wizard plugin](https://meta.discourse.org/t/install-discourse-failed-due-to-custom-wizard-plugin/217458)
**Author:** [@vsiryxm](https://meta.discourse.org/u/vsiryxm)\ **Replies:** 19\ **Last updated:** [February 9, 2022, 7:32pm UTC](https://meta.discourse.org/t/install-discourse-failed-due-to-custom-wizard-plugin/217458 "2022-02-09T19:32:56Z")
Hello, I had a problem in the process of installing discourse. Please give me some guidance. --- ## [Problem with SMTP configuration](https://meta.discourse.org/t/problem-with-smtp-configuration/65892)
**Author:** [@Pawel\_Kosiorek](https://meta.discourse.org/u/Pawel_Kosiorek)\ **Replies:** 13\ **Last updated:** [February 9, 2022, 8:26pm UTC](https://meta.discourse.org/t/problem-with-smtp-configuration/65892 "2022-02-09T20:26:42Z")
Hi! I went through most of the “SMTP problems” threads but still cannot solve my problem. Ubuntu in AWS EC2, fresh Discourse installation, can’t receive confirmation email. Current configuration: DISCOURSE\_SMTP\_ADDRE… --- ## [Sizing question in AWS](https://meta.discourse.org/t/sizing-question-in-aws/217671)
**Author:** [@noginaze](https://meta.discourse.org/u/noginaze)\ **Replies:** 6\ **Last updated:** [February 9, 2022, 7:25pm UTC](https://meta.discourse.org/t/sizing-question-in-aws/217671 "2022-02-09T19:25:14Z")
Hello, I would like to know if there are any feedback in terms of instance sizing. I would like to host discourse web\_only on kubernetes, with an externalized postgres and redis hosted on rds and elasticache, and someth… --- ## [Discourse working with jwilder /nginx proxy & acme-companion](https://meta.discourse.org/t/discourse-working-with-jwilder-nginx-proxy-acme-companion/217059)
**Author:** [@Steve\_Emerson](https://meta.discourse.org/u/Steve_Emerson)\ **Replies:** 6\ **Last updated:** [February 9, 2022, 4:46pm UTC](https://meta.discourse.org/t/discourse-working-with-jwilder-nginx-proxy-acme-companion/217059 "2022-02-09T16:46:54Z")
Hi guys, I’ve been stuck on this for hours so requesting assistance as I cannot find a working solution. Due to having multiple containers hosting web services I need to host my own Nginx to proxy traffic to correct co… --- ## [Domain & Subdomains](https://meta.discourse.org/t/domain-subdomains/217249)
**Author:** [@MSat7](https://meta.discourse.org/u/MSat7)\ **Replies:** 8\ **Last updated:** [February 8, 2022, 3:12am UTC](https://meta.discourse.org/t/domain-subdomains/217249 "2022-02-08T03:12:54Z")
Hey y’all, tl;dr at the end I couldn’t find a similar question in the forums so I’m creating a new topic. If this question’s already been answered, apologies! I am planning to start a forum using discourse but I am a … --- ## [JavaScript heap out of memory due to Ember CLI](https://meta.discourse.org/t/javascript-heap-out-of-memory-due-to-ember-cli/217258)
**Author:** [@ClubmanPlus850](https://meta.discourse.org/u/ClubmanPlus850)\ **Replies:** 8\ **Last updated:** [February 7, 2022, 8:58pm UTC](https://meta.discourse.org/t/javascript-heap-out-of-memory-due-to-ember-cli/217258 "2022-02-07T20:58:55Z")
Hi! I am trying to install Discourse to a minimal server 2vCPU / 1GB / 40GB (I don’t anticipate it will have much use, and cutting my costs) I have been able to install Discourse previously on such an instance, but tod… --- ## [Rebuild stuck on "building..."?](https://meta.discourse.org/t/rebuild-stuck-on-building/217373)
**Author:** [@gale](https://meta.discourse.org/u/gale)\ **Replies:** 5\ **Last updated:** [February 7, 2022, 8:41pm UTC](https://meta.discourse.org/t/rebuild-stuck-on-building/217373 "2022-02-07T20:41:55Z")
Everything seemed to be going fine after running sudo ./launcher rebuild app, but towards the end of the process it seems to have gotten stuck on “building…”. It’s been here for 30 minutes now. I’ve never seen a rebuild … --- ## [Installation Bug: installing to root domain opens NGinx Outside Container](https://meta.discourse.org/t/installation-bug-installing-to-root-domain-opens-nginx-outside-container/217257)
**Author:** [@ClubmanPlus850](https://meta.discourse.org/u/ClubmanPlus850)\ **Replies:** 5\ **Last updated:** [February 7, 2022, 8:49pm UTC](https://meta.discourse.org/t/installation-bug-installing-to-root-domain-opens-nginx-outside-container/217257 "2022-02-07T20:49:20Z")
Hi I am installing a new instance of Discourse and attempting to install it to the root of the domain (I have read Configure your hosted Discourse site to run at the root or apex domain (e.g. example.com) and can fulfil… --- ## [Help,rebuild Error](https://meta.discourse.org/t/help-rebuild-error/217356)
**Author:** [@shuaiZend](https://meta.discourse.org/u/shuaiZend)\ **Replies:** 2\ **Last updated:** [February 7, 2022, 5:31pm UTC](https://meta.discourse.org/t/help-rebuild-error/217356 "2022-02-07T17:31:27Z")
when i upgrade 2.7.2 to 2.8.0 rebuild error: DISCOURSE DOCTOR Tue 08 Feb 2022 12:55:57 AM CST OS: Linux vps.magentochina.org 4.19.0-6-amd64 #1 SMP Debian 4.19.67-2+deb10u2 (2019-11-11) x86\_64 GNU/Linux Found containe… [Previous page](https://meta.discourse.org/c/support/self-hosting/31.md?page=69) [Next page](https://meta.discourse.org/c/support/self-hosting/31.md?page=71)