# Frequently Asked Questions **URL:** https://forum.mattermost.com/c/faq/5.md?page=1 [Latest](https://forum.mattermost.com/latest.md) · [Categories](https://forum.mattermost.com/categories.md) **Page:** 2 --- ## [Installing Mattermost in Elastic Beanstalk causes errors](https://forum.mattermost.com/t/installing-mattermost-in-elastic-beanstalk-causes-errors/8701)
**Author:** [@karthik018](https://forum.mattermost.com/u/karthik018)\ **Replies:** 1\ **Last updated:** [June 2, 2020, 3:40pm UTC](https://forum.mattermost.com/t/installing-mattermost-in-elastic-beanstalk-causes-errors/8701 "2020-06-02T15:40:39Z")
Here is the details of the error: Application deployment failed at 2019-12-24T13:02:30Z with exit status 1 and error: Hook /opt/elasticbeanstalk/hooks/appdeploy/enact/03start-task.sh failed. . /opt/elasticbeanstalk/ho… --- ## [Default User Settings Template](https://forum.mattermost.com/t/default-user-settings-template/1218)
**Author:** [@ruben-juno](https://forum.mattermost.com/u/ruben-juno)\ **Replies:** 3\ **Last updated:** [April 27, 2020, 7:41pm UTC](https://forum.mattermost.com/t/default-user-settings-template/1218 "2020-04-27T19:41:40Z")
Hi, Is there a way to create/modify the default user settings ? Background: We have tons of clients and for each client we created a team to support them, so we can separate them out, have different colours on each t… --- ## [(SOLVED) Installing local Server on Ubuntu Desktop 18.04 LTS PB](https://forum.mattermost.com/t/solved-installing-local-server-on-ubuntu-desktop-18-04-lts-pb/9343)
**Author:** [@Ludo](https://forum.mattermost.com/u/Ludo)\ **Replies:** 4\ **Last updated:** [March 31, 2020, 9:56am UTC](https://forum.mattermost.com/t/solved-installing-local-server-on-ubuntu-desktop-18-04-lts-pb/9343 "2020-03-31T09:56:02Z")
Hi There! I’m following the doc https://docs.mattermost.com/install/install-ubuntu-1804.html I’m using MySQL at step 9.b when I Start the Mattermost server as the user mattermost, I have this answer: /opt/mattermost$… --- ## [Want to use Mattermost via PLESK](https://forum.mattermost.com/t/want-to-use-mattermost-via-plesk/5481)
**Author:** [@Babbles](https://forum.mattermost.com/u/Babbles)\ **Replies:** 9\ **Last updated:** [November 26, 2019, 3:03am UTC](https://forum.mattermost.com/t/want-to-use-mattermost-via-plesk/5481 "2019-11-26T03:03:29Z")
I tried and tried variously and Mattermost is installed and can execute it. I use PLESK to manage servers. This time I ignored PLESK and installed Mattermost, Mattermost worked fine. But I want to go through Plesk as muc… --- ## [How To Unsubscribe From Mattermost TestFlight](https://forum.mattermost.com/t/how-to-unsubscribe-from-mattermost-testflight/7501)
**Author:** [@ahmaddanial](https://forum.mattermost.com/u/ahmaddanial)\ **Replies:** 1\ **Last updated:** [August 7, 2019, 4:15am UTC](https://forum.mattermost.com/t/how-to-unsubscribe-from-mattermost-testflight/7501 "2019-08-07T04:15:48Z")
Purpose Users who originally joined the Mattermost TestFlight would like to unsubscribe from the service. Solution Navigate to the App Store and open up Mattermost Beta Tap on Stop Testing to remove yourself from… --- ## [Use nginx-proxy and v3.7.1 (Docker)](https://forum.mattermost.com/t/use-nginx-proxy-and-v3-7-1-docker/3062)
**Author:** [@fuerst](https://forum.mattermost.com/u/fuerst)\ **Replies:** 4\ **Last updated:** [June 25, 2019, 9:31am UTC](https://forum.mattermost.com/t/use-nginx-proxy-and-v3-7-1-docker/3062 "2019-06-25T09:31:39Z")
Just want to describe my setup to run Mattermost using the Docker setup together with nginx-proxy in front of Mattermost. Since v3.7.1 the Mattermost Docker setup creates it's own network for communication between contai… --- ## [\[SOLVED\] How to set HTTP\_PROXY variable in order to use external proxy?](https://forum.mattermost.com/t/solved-how-to-set-http-proxy-variable-in-order-to-use-external-proxy/4194)
**Author:** [@mpeltier](https://forum.mattermost.com/u/mpeltier)\ **Replies:** 5\ **Last updated:** [January 10, 2018, 1:40pm UTC](https://forum.mattermost.com/t/solved-how-to-set-http-proxy-variable-in-order-to-use-external-proxy/4194 "2018-01-10T13:40:45Z")
Hi, I have using mattermost team edition 4.4.2 on centos 7 behind squid proxy. This config seems to be supported (https://github.com/mattermost/mattermost-server/issues/6469) but how could I tell mattermost to use the p… --- ## [\[solved\] How to set the certificate of the site](https://forum.mattermost.com/t/solved-how-to-set-the-certificate-of-the-site/6269)
**Author:** [@Babbles](https://forum.mattermost.com/u/Babbles)\ **Replies:** 1\ **Last updated:** [December 2, 2018, 3:29pm UTC](https://forum.mattermost.com/t/solved-how-to-set-the-certificate-of-the-site/6269 "2018-12-02T15:29:30Z")
I experienced a server malfunction, I reconstructed the environment. Mattermost is also similar. I am planning to build it in the same condition as before. However, I also encountered a certificate problem this time. Wh… --- ## [AWS Docker Setup Instructions](https://forum.mattermost.com/t/aws-docker-setup-instructions/1391)
**Author:** [@bizsupportdotca](https://forum.mattermost.com/u/bizsupportdotca)\ **Replies:** 1\ **Last updated:** [November 21, 2018, 6:57am UTC](https://forum.mattermost.com/t/aws-docker-setup-instructions/1391 "2018-11-21T06:57:31Z")
I am following the instructions here: http://docs.mattermost.com/install/docker-ebs.html Step 7 seems out of sync with the contents of GIT, as I get a 404 error on this page: https://github.com/mattermost/platform/tree… --- ## [\[SOLVED\] How to use Plesk's Let's Encrypt](https://forum.mattermost.com/t/solved-how-to-use-plesks-lets-encrypt/5378)
**Author:** [@Babbles](https://forum.mattermost.com/u/Babbles)\ **Replies:** 6\ **Last updated:** [July 23, 2018, 1:51am UTC](https://forum.mattermost.com/t/solved-how-to-use-plesks-lets-encrypt/5378 "2018-07-23T01:51:24Z")
I would like to install Mattermost without using Docker using Plesk. I did not install it to /opt and installed under the site. ex: /var/vhosts/MAINSITE/mattermost/. I made all the settings and confirmed the initial func… --- ## [\[SOLVED\] Can't get matterpoll-emoji to work](https://forum.mattermost.com/t/solved-cant-get-matterpoll-emoji-to-work/4317)
**Author:** [@Franco](https://forum.mattermost.com/u/Franco)\ **Replies:** 2\ **Last updated:** [January 8, 2018, 10:07am UTC](https://forum.mattermost.com/t/solved-cant-get-matterpoll-emoji-to-work/4317 "2018-01-08T10:07:00Z")
Hi, after migration from V3.10 to mattermost-team.4.4.0, I stuck with integration of matterpoll-emoji (matterpoll-emoji-v0.1.0-linux-x86\_64.tar.gz). The error msg is: \[grafik\] The only log messages I see are: \[2018/… --- ## [\[SOLVED\] Apache websocket error 500](https://forum.mattermost.com/t/solved-apache-websocket-error-500/3720)
**Author:** [@iFEARR](https://forum.mattermost.com/u/iFEARR)\ **Replies:** 2\ **Last updated:** [August 25, 2017, 7:51am UTC](https://forum.mattermost.com/t/solved-apache-websocket-error-500/3720 "2017-08-25T07:51:42Z")
Hello, Im using apache as the proxy for mattermost, but I can’t get it work I get : ws://chatdomaincom/api/v4/websocket Request Status Code:500 Internal Server Error Here it is my configuration. ServerName chatdomai… --- ## [\[SOLVED\] How to add a Tuleap Team to mattermost](https://forum.mattermost.com/t/solved-how-to-add-a-tuleap-team-to-mattermost/3625)
**Author:** [@marouane](https://forum.mattermost.com/u/marouane)\ **Replies:** 2\ **Last updated:** [August 18, 2017, 7:17am UTC](https://forum.mattermost.com/t/solved-how-to-add-a-tuleap-team-to-mattermost/3625 "2017-08-18T07:17:43Z")
Hi all, I installed mattermost server in my machine and i want to link it to tuleap, My objective is the user can sign in to tuleap team by add the tuleap url and can find all tuleap team members and can doing discussi… --- ## [\[SOLVED\] At Rest Encryption](https://forum.mattermost.com/t/solved-at-rest-encryption/2960)
**Author:** [@bradhowes](https://forum.mattermost.com/u/bradhowes)\ **Replies:** 3\ **Last updated:** [August 10, 2017, 7:48am UTC](https://forum.mattermost.com/t/solved-at-rest-encryption/2960 "2017-08-10T07:48:14Z")
Is there a doc somewhere describing what DB fields are affected by the "At Rest Encrypt Key" in the config file and on the System Console? I found the en/decrypt routines in the Go code, but I did not find anything that … --- ## [Tuleap and Mattermost installation on one server](https://forum.mattermost.com/t/tuleap-and-mattermost-installation-on-one-server/2630)
**Author:** [@celavi\_aav](https://forum.mattermost.com/u/celavi_aav)\ **Replies:** 2\ **Last updated:** [June 30, 2017, 8:21am UTC](https://forum.mattermost.com/t/tuleap-and-mattermost-installation-on-one-server/2630 "2017-06-30T08:21:57Z")
Can we set this two apps on apache server? If so, how? --- ## [\[SOLVED\] Installing on Ubuntu 16.04 LTS issue](https://forum.mattermost.com/t/solved-installing-on-ubuntu-16-04-lts-issue/3320)
**Author:** [@jrichards](https://forum.mattermost.com/u/jrichards)\ **Replies:** 9\ **Last updated:** [June 15, 2017, 4:56pm UTC](https://forum.mattermost.com/t/solved-installing-on-ubuntu-16-04-lts-issue/3320 "2017-06-15T16:56:41Z")
So I'm installing Mattermost for the first time on a Ubuntu machine running version 16.04 LTS. I've followed several instructions online but the main one I've been using is https://docs.mattermost.com/install/install-ub… --- ## [\[SOLVED\] The famous "Failed to upgrade websocket connection"](https://forum.mattermost.com/t/solved-the-famous-failed-to-upgrade-websocket-connection/3261)
**Author:** [@elhostis](https://forum.mattermost.com/u/elhostis)\ **Replies:** 4\ **Last updated:** [May 29, 2017, 12:05pm UTC](https://forum.mattermost.com/t/solved-the-famous-failed-to-upgrade-websocket-connection/3261 "2017-05-29T12:05:40Z")
Hello, My company is testing mattermost but I have trouble with websocket. The error is well known : \[2017/05/15 17:53:25 CEST\] \[EROR\] /api/v3/users/websocket:connect code=500 rid=u877fuhbmifg9btbcg3ca199xr uid=wgn… --- ## [\[SOLVED\] Setting up Let's Encrypt on Bitnami Mattermost CE edition on AWS](https://forum.mattermost.com/t/solved-setting-up-lets-encrypt-on-bitnami-mattermost-ce-edition-on-aws/3198)
**Author:** [@jaideep](https://forum.mattermost.com/u/jaideep)\ **Replies:** 5\ **Last updated:** [May 5, 2017, 8:01am UTC](https://forum.mattermost.com/t/solved-setting-up-lets-encrypt-on-bitnami-mattermost-ce-edition-on-aws/3198 "2017-05-05T08:01:55Z")
Hello all, I recently setup Mattermost CE edition through Bitnami on AWS using Ubuntu 14.04. I was successful in brining up the mattermost client. I have setup my DNS A record to point to the IP address through matterm… --- ## [Error: "We received an unexpected status code from the server (413)"](https://forum.mattermost.com/t/error-we-received-an-unexpected-status-code-from-the-server-413/96)
**Author:** [@it33](https://forum.mattermost.com/u/it33)\ **Replies:** 3\ **Last updated:** [April 5, 2017, 12:14pm UTC](https://forum.mattermost.com/t/error-we-received-an-unexpected-status-code-from-the-server-413/96 "2017-04-05T12:14:26Z")
When you receive this message when uploading a file it may be that you're running on an AWS docker instance where Ngnix is configured to reject requests over 1MB. --- ## [Mattermost 3.4.0 On Ubuntu 16.04 LAMP - Apache Config Fails](https://forum.mattermost.com/t/mattermost-3-4-0-on-ubuntu-16-04-lamp-apache-config-fails/2465)
**Author:** [@Blackthorne](https://forum.mattermost.com/u/Blackthorne)\ **Replies:** 2\ **Last updated:** [November 6, 2016, 6:12am UTC](https://forum.mattermost.com/t/mattermost-3-4-0-on-ubuntu-16-04-lamp-apache-config-fails/2465 "2016-11-06T06:12:18Z")
SO I have Mattermost up and running and can get in and use it on port 8065. I have an SSL set up (and working to the Apache DocumentRoot /var/www/html). I have been trying to find an Apache config, that will Proxy t… --- ## [Invite Guest to Channel w/o Others knowing](https://forum.mattermost.com/t/invite-guest-to-channel-w-o-others-knowing/2395)
**Author:** [@proverbian](https://forum.mattermost.com/u/proverbian)\ **Replies:** 1\ **Last updated:** [October 24, 2016, 12:06pm UTC](https://forum.mattermost.com/t/invite-guest-to-channel-w-o-others-knowing/2395 "2016-10-24T12:06:38Z")
Hi guys, Is it possible that we invite a Guest without having them to join to Town Square? The Purpose of this is when we have other clients and we don't want them to see other client. We don't wanna create anoth… --- ## [\[Solved\] Can't enter into team page(main page) with mattermost running on windows](https://forum.mattermost.com/t/solved-cant-enter-into-team-page-main-page-with-mattermost-running-on-windows/2328)
**Author:** [@hzlijianjun](https://forum.mattermost.com/u/hzlijianjun)\ **Replies:** 1\ **Last updated:** [October 10, 2016, 12:28pm UTC](https://forum.mattermost.com/t/solved-cant-enter-into-team-page-main-page-with-mattermost-running-on-windows/2328 "2016-10-10T12:28:26Z")
Hi guys, On windows 10, I build Mattermost from source, and start up server without errors occured,It's looks like everything is ok until login into system. But error occurs when I select a team to get into main pag… --- ## [\[Solved\] AWS EC2 AMI setup](https://forum.mattermost.com/t/solved-aws-ec2-ami-setup/1101)
**Author:** [@BSE\_Emile](https://forum.mattermost.com/u/BSE_Emile)\ **Replies:** 2\ **Last updated:** [October 10, 2016, 3:11am UTC](https://forum.mattermost.com/t/solved-aws-ec2-ami-setup/1101 "2016-10-10T03:11:19Z")
I can't access the server from public IP. On a new Image, curl http://localhost I can see a page titles Mattermost - Signup After changing the following in the file /etc/nginx/sites-available/mattermost I've change… --- ## [\[Solved\] What's the status of the Android app?](https://forum.mattermost.com/t/solved-whats-the-status-of-the-android-app/849)
**Author:** [@it33](https://forum.mattermost.com/u/it33)\ **Replies:** 12\ **Last updated:** [October 8, 2016, 4:21am UTC](https://forum.mattermost.com/t/solved-whats-the-status-of-the-android-app/849 "2016-10-08T04:21:31Z")
We're looking at open sourcing the Android app end of February. We had tried using someone new to build the Android app and while the work made it to "beta" when reviewing the code we decided additional work was neede… --- ## [\[Solved\] Failed to ping db err](https://forum.mattermost.com/t/solved-failed-to-ping-db-err/441)
**Author:** [@smackjack3](https://forum.mattermost.com/u/smackjack3)\ **Replies:** 7\ **Last updated:** [September 23, 2016, 2:27pm UTC](https://forum.mattermost.com/t/solved-failed-to-ping-db-err/441 "2016-09-23T14:27:27Z")
I am trying to set up a production environment within the Google Compute Platform. I've created a Ubuntu VM for the database and was able to get the PostgreSQL db up and running. I created the second Ubuntu VM, install… --- ## [\[solved\]"make test" fails for "import cycle not allowed"](https://forum.mattermost.com/t/solved-make-test-fails-for-import-cycle-not-allowed/2250)
**Author:** [@hzlijianjun](https://forum.mattermost.com/u/hzlijianjun)\ **Replies:** 1\ **Last updated:** [September 20, 2016, 8:04am UTC](https://forum.mattermost.com/t/solved-make-test-fails-for-import-cycle-not-allowed/2250 "2016-09-20T08:04:47Z")
By following the "Developer Machine Setup" (https://docs.mattermost.com/developer/developer-setup.html#ubuntu) , I run into a error as following image attachment.Can you help me? Thanks! \[image\] --- ## [\[SOLVED\] Revoking invitation to join a team / remove user from a team](https://forum.mattermost.com/t/solved-revoking-invitation-to-join-a-team-remove-user-from-a-team/2058)
**Author:** [@tist](https://forum.mattermost.com/u/tist)\ **Replies:** 3\ **Last updated:** [August 15, 2016, 6:34pm UTC](https://forum.mattermost.com/t/solved-revoking-invitation-to-join-a-team-remove-user-from-a-team/2058 "2016-08-15T18:34:17Z")
I sent an invitation to someone for the wrong team. How can I revoke the invitation? How can I remove a user from one team (but not from the other teams)? thanks, Tist --- ## [\[Solved\] Is there a limit to the number of messages stored in Mattermost?](https://forum.mattermost.com/t/solved-is-there-a-limit-to-the-number-of-messages-stored-in-mattermost/1898)
**Author:** [@framasky](https://forum.mattermost.com/u/framasky)\ **Replies:** 2\ **Last updated:** [July 22, 2016, 7:33am UTC](https://forum.mattermost.com/t/solved-is-there-a-limit-to-the-number-of-messages-stored-in-mattermost/1898 "2016-07-22T07:33:15Z")
Is there a limit to the number of messages stored in Mattermost? Slack has a limit for those who don't pay. Does Mattermost has such limit? (I'm using Mattermost through Gitlab omnibus) Thanks. --- ## [\[Solved\] Debian 8 - Issue with Mattermost service](https://forum.mattermost.com/t/solved-debian-8-issue-with-mattermost-service/837)
**Author:** [@SamirBoulil](https://forum.mattermost.com/u/SamirBoulil)\ **Replies:** 8\ **Last updated:** [June 28, 2016, 4:16pm UTC](https://forum.mattermost.com/t/solved-debian-8-issue-with-mattermost-service/837 "2016-06-28T16:16:18Z")
Hello, I'm quite new to mattermost. I've been trying to install it on a Debian 8. Everything is going well, my nginx is well configured as well as my mattermost installation. I've been experiencing issue when I'm t… --- ## [Windows App: Can´t open Picture from yesterday](https://forum.mattermost.com/t/windows-app-can-t-open-picture-from-yesterday/1738)
**Author:** [@Knorkator](https://forum.mattermost.com/u/Knorkator)\ **Replies:** 1\ **Last updated:** [June 26, 2016, 7:02pm UTC](https://forum.mattermost.com/t/windows-app-can-t-open-picture-from-yesterday/1738 "2016-06-26T19:02:44Z")
Hello, we´re just testing mattermost. Yesterday, i added a picture in a private chat - just for testing the app. Today, this picture is not loading in the Windows Applikation. The Client in the Internet Explorer displ… [Previous page](https://forum.mattermost.com/c/faq/5.md) [Next page](https://forum.mattermost.com/c/faq/5.md?page=2)