Mattermost
  • About Mattermost
    • Product Overview
      • About the Mattermost Open Source Project
      • Mattermost Team Edition
      • Mattermost Enterprise Edition
        • Mattermost Enterprise Edition E10
        • Mattermost Enterprise Edition E20
      • Mattermost Cloud
        • Mattermost Cloud Professional
        • Mattermost Cloud Enterprise
        • Frequently Asked Questions About Mattermost Cloud (FAQs)
    • Security Overview
      • Security Features
        • Private Cloud Deployment with Secure Mobile Apps
        • Centralized Security and Administration
        • Transmission Security
        • Integrity and Audit Controls
        • Authentication Safeguards
        • Access Control Policy
      • Security Updates
      • Security Policies
      • HIPAA compliance*
      • FINRA compliance*
    • Integrations Overview
      • Pre-configured integrations
        • Open source, self-hosted integrations (private and public cloud)
        • Slack-compatible webhooks (private and public cloud)
        • Over 700 app integrations using Zapier (public cloud only)
        • Self-hosted bots interfacing to other systems (private and public cloud)
      • Custom integrations
        • Command line interface (private and public cloud)
        • Custom applications using APIs and drivers (private and public cloud)
        • Slack-compatible slash commands (private and public cloud)
    • Licensing and Subscription
      • Purchasing an Enterprise license
      • Applying the license key
      • Viewing license information
      • Adding more users to a purchased license
      • Renewing an Enterprise license
      • Frequently Asked Questions
        • Are my credit card details safe?
        • Why do I need to provide my name and physical address when purchasing a license?
        • What does Mattermost do with this information?
        • Who are the sanctioned people, companies, and entities?
        • What does “physical address” mean for software that will be used in many places?
        • How do I renew my license if I don’t have internet access?
        • I’m a Mattermost Cloud customer, how do I renew?
        • How is user defined for Enterprise Edition subscriptions?
        • Do I need to pay for deactivated users?
        • Can I use the same license key on multiple self-managed Enterprise Edition servers?
        • Is my license available immediately?
        • How will I know when to renew my license?
        • How long does it take to renew a license?
        • What happens to my license if I don’t renew in time?
        • What happens when my license expires?
        • Which features are affected when my Enterprise license expires?
        • Why can’t I dismiss the expiry notification banner?
        • Do you have a program for official non-profits, open source projects, and charities?
        • Do you have discounted licenses for academic institutions?
        • Is there a maximum number of users per subscription?
        • Can other members of my organization use this account to manage our subscription?
        • What happens if my department buys Mattermost Enterprise Edition and then central IT buys a high volume license that also covers my department?
        • Where can I find the license agreement for Mattermost Enterprise Edition?
        • How do I delete my Customer Portal account?
        • What happens to my license when I delete my account?
    • Corporate Directory Integration
      • Basic authentication
      • Security features for authentication
      • Active Directory/LDAP authentication
      • Authentication options outside of a private network
      • Future authentication methods
    • Certifications and Compliance Overview
      • GDPR Compliance
        • Continual Commitment to the Principles of GDPR
        • Security Infrastructure
        • Contractual Obligations
        • Privacy Measures
        • Product Features
      • Accessibility Compliance
      • U.S. Export Compliance Overview
        • Summary Table
        • Overview
        • General Information
        • Export Classification and Licensing
        • Disclaimer
      • Frequently Asked Questions
        • To be compliant with GDPR, do I need to remove message contents of email notifications?
        • What information is shared when I click Contact us on a Mattermost Admin Advisor notification?
        • Are the server access logs containing IP addresses a GDPR compliance issue?
        • Do you have Fed or Department of Defense (DOD) Certification?
        • How do you ensure personal data stays within European Union?
    • Frequently Asked Questions (FAQ)
      • General Questions
        • Why was Mattermost created?
        • Why does the open source repository contain code specific to the commercial version of Mattermost?
        • Does Mattermost support 508 Compliance?
        • What’s the largest Mattermost deployment you have?
        • How do I deploy the open source Mattermost Team Edition under an MIT license?
      • Community Questions
        • How can I contribute to Mattermost?
        • Can contributors add themselves to the Mattermost company page on LinkedIn?
      • Notifications
        • What determines if a desktop notification should be triggered?
        • What determines if an email notification should be triggered?
        • What determines if a mobile push notification should be triggered?
        • Are mobile push notifications free?
      • Video, Audio, and Screen Sharing
        • What support is available for video and audio calling and screen sharing?
      • Enterprise Edition
        • What is Mattermost Enterprise Edition?
        • How can I be assured that my data will not be locked in to commercial software?
        • How does Mattermost scale from teams to enterprises?
        • What does it take to manage a Mattermost deployment?
        • How do you manage multiple messaging solutions in an enterprise?
        • What are the options to purchase a subscription to Mattermost Enterprise Edition?
        • What happens when the Enterprise Edition subscription expires?
        • What are Mattermost’s policies around licensing, terms of service, and privacy?
        • How does the licensing key work?
        • Do you have a program for official non-profits and charities?
        • Do you have discounted licenses for academic institutions?
      • Mattermost Source Available License
        • What is the Mattermost Source Available License?
        • How can I identify code licensed as source available?
        • Why are you changing the licensing model?
        • How are repositories changing?
        • To which repositories does this apply?
        • Will the repositories be public?
        • Can I still contribute?
        • Do I need to re-sign the Mattermost CLA?
        • Can I compile your plugins by myself?
        • Will you distribute open source plugin binaries without any licensing restrictions?
        • Can I continue to use the existing open source repositories without restriction?
        • Do I need to use the Mattermost Source Available License for plugins I create?
        • Can I publish my own plugin and rely on enterprise specific functionality?
        • Can’t someone compile out any license restrictions?
        • If I make my own plugin using your source available code, can I remove the license restriction?
        • Will you pursue legal action if this license is violated?
        • Is this a legal document?
        • What is the full text of the Mattermost Source Available License?
      • Integration
        • Can I use Mattermost to add messaging functionality to my proprietary SaaS service?
      • Use Cases
        • Does Mattermost support external guests?
        • Can I use Mattermost for customer service?
        • Does Mattermost have an official website-based plugin to offer anonymous chat to visitors?
      • Product Questions
        • What features are available on different Mattermost clients?
        • What feature quality levels does Mattermost have?
      • High Trust Questions
        • What are the trust benefits of Mattermost compared to third-party SaaS systems that let customers manage their own encryption keys?
        • What are the fundamental security challenges with Massive, Multi-Tenant Applications (MMTA)?
      • Design Decisions
        • Why does Mattermost disclose whether or not an account exists when a user enters an incorrect password?
      • Business Questions
        • How can I create an open source derivative work of Mattermost?
        • Will Mattermost complete questionnaires requiring confidential data without an NDA?
        • Why does Mattermost have a discount for certain kinds of non-profits but not for others?
        • Can I create a derivative work of the Mattermost /mattermost-server repository that is not open source?
        • Will Mattermost, Inc. offer the ability to resell Mattermost software without a reseller agreement?
        • Does Mattermost answer questions about open source licenses authored by other organizations?
      • Illicit Use
        • How do I report illicit use of Mattermost software?
  • Deploy Mattermost
    • Get Started
      • Quick Install Guide
        • Installation
        • Add Users
        • Create a Notifications Hub
      • Run Mattermost via Docker
        • One-line Docker Install
        • Setting up SMTP Email (Recommended)
        • Sample SMTP Settings
        • Troubleshooting SMTP
        • Configuration Settings
        • Updating Docker Preview
        • Accessing Your Container
      • Administrator Tasks
        • Getting Started Tasks
        • Important Administration Notes
        • Common Tasks
        • User Experience Optimizations
      • Architecture
        • Basics
        • High Availability and Scalability
        • Reference Architectures
      • Implement Mattermost
        • 1 Introduction
        • 2 System Overview
        • 3 Management Overview
        • 4 Implementation Support
      • Enterprise Roll Out Checklist
        • Checklist Overview
        • Checklist Details
      • Welcome Email Template
        • Email Template
    • Install Guides
      • Server Installation
        • Software and Hardware Requirements
        • Local Docker Setup
        • Mattermost Omnibus
        • Ubuntu 20.04 LTS
        • Installing Mattermost on Kubernetes
        • Installing the Operators via Helm
        • Debian Buster
        • RHEL 8
        • CentOS, Oracle Linux, and Scientific Linux
      • Desktop/Mobile App Installation
        • Install the Mattermost Desktop App
        • Desktop Application Install Guides
        • iOS Setup
        • Android Setup
        • Testing Push Notifications
    • Deployment Guide
      • Server Deployment
        • Deployment Overview
        • Set Up a Socket-based Mattermost Database
        • Image Proxy
        • Backup and Disaster Recovery
        • Encryption Options
        • Configure Transport Encryption
        • Bleve Search (Experimental)
      • Desktop & Mobile App Deployment
        • Desktop App Deployment Guide
        • Desktop MSI Installer and Group Policy Installation Guides (Beta)
        • Desktop App Custom Dictionaries
        • Desktop Managed Resources
        • Using Mattermost’s Pre-Built Mobile Apps
        • Deploy Mattermost Mobile Apps
        • Mobile Push Notifications
        • Building and Distributing Your Own Custom Mattermost Mobile Apps
        • Deploying Mobile Apps Using an EMM Provider
        • Mobile VPN Options
        • Mobile Apps FAQ
        • Client-side Data Storage FAQ
    • Upgrade Mattermost
      • Upgrade Mattermost Server
        • Upgrading to the Latest Version
        • Before you Begin
        • Upgrading Mattermost Server
        • Upgrading Team Edition to Enterprise Edition
        • Uploading a License Key
      • Enterprise Install and Upgrade
        • Installing Enterprise Edition
        • Upgrading to Mattermost Enterprise Edition
        • Converting Team Edition to Enterprise Edition
        • Changing a License Key
      • Release Definitions
        • Feature Release
        • Quality Release
        • Extended Support Release (ESR)
      • Important Upgrade Notes
      • Release Lifecycle
        • What is a Release Lifecycle?
        • Desktop and Mobile App Server Compatibility
      • Extended Support Release
        • What is an Extended Support Release?
        • What is the life cycle of an Extended Support Release?
        • What is included in an Extended Support Release dot release?
        • Who should use an Extended Support Release?
        • How do I install the Extended Support Release?
        • What are the current supported Extended Support Release versions?
        • How do I restore a previous Extended Support Release?
        • Why is an Extended Support Release supported for 9 months and not longer?
        • Can customers pay for extended support?
        • How do we notify customers about new and deprecated Extended Support Releases?
      • Downgrade Mattermost Server
        • Downgrade from 5.0 to 4.10
      • Version Archive
        • Mattermost Enterprise Edition
        • Mattermost Team Edition
    • Scale Mattermost
      • Scale for Enterprise
        • Single Machine Deployment
        • Multi Machine Deployment
        • Cluster-based Deployment
        • Sample Scaling Guide
        • Hosting Recommendation for 100,000+ users
      • High Availability Cluster
        • Requirements for Continuous Operation
        • Deployment Guide
        • Configuration and Compatibility
        • Upgrade Guide
        • Frequently Asked Questions (FAQ)
        • Troubleshooting
      • Elasticsearch
        • Deployment Guide
        • Limitations
        • Frequently Asked Questions (FAQ)
      • Performance Monitoring
        • Deployment Guide
        • Installing Prometheus
        • Installing Grafana
        • Getting Started
        • Statistics
        • Frequently Asked Questions
      • Mattermost Performance Alerting Guide
        • CPU Utilization Rate
        • Memory Usage
        • Number of Goroutines
        • Number of API Errors per Second
        • Mean API Request Time
        • Plugin Hooks
        • Other Alerts
    • Troubleshooting Guides
      • General Troubleshooting
        • Important Notes
        • General Troubleshooting
        • Connect to Another Server
        • Connect with Another Device
        • Opening a Support Ticket for Self-Managed Deployments
        • Appendix
      • Troubleshooting Mobile Applications
        • I keep getting a message “Cannot connect to the server. Please check your server URL and internet connection.”
        • Login with ADFS/Office365 is not working
        • I see a “Connecting…” bar that does not go away
        • I’m not receiving push notifications on my device
        • All my outbound connections need to go through a proxy. How can I connect to the Mattermost Hosted Push Notification Service?
        • Build gets stuck at bundleReleaseJsAndAssets
        • No image previews available in the mobile app
        • Messages with emojis aren’t being sent from the Mobile App
        • None of these solve my problem!
      • MySQL Installation Troubleshooting
        • The mattermost Database
        • The Database User
        • The User Password
        • Insufficient User Privileges
    • Changelogs
      • Mattermost
        • Release v5.39 - Quality Release
        • Release v5.38 - Feature Release
        • Release v5.37 - Extended Support Release
        • Release v5.36 - Feature Release
        • Release v5.35 - Feature Release
        • Release v5.34 - Feature Release
        • Release v5.33 - Feature Release
        • Release v5.32 - Feature Release
        • Release v5.31 - ESR
        • Release v5.30 - Feature Release
        • Release v5.29 - Quality Release
        • Release v5.28 - Feature Release
        • Release v5.27 - Quality Release
        • Release v5.26 - Feature Release
        • Release v5.25 - ESR
        • Release v5.24 - Feature Release
        • Release v5.23 - Quality Release
        • Release v5.22 - Feature Release
        • Release v5.21 - Quality Release
        • Release v5.20 - Feature Release
        • Release v5.19 - ESR
        • Release v5.18 - Feature Release
        • Release v5.17 - Quality Release
        • Release v5.16 - Feature Release
        • Release v5.15 - Quality Release
        • Release v5.14 - Feature Release
        • Release v5.13 - Quality Release
        • Release v5.12 - Feature Release
        • Release v5.11 - Quality Release
        • Release v5.10 - Feature Release
        • Release v5.9 - ESR
        • Release v5.8 - Feature Release
        • Release v5.7 - Quality Release
        • Release v5.6 - Feature Release
        • Release v5.5 - Quality Release
        • Release v5.4 - Feature Release
        • Release v5.3 - Feature Release
        • Release v5.2 - Feature Release
        • Release v5.1 - Feature Release
        • Release v5.0 - Feature Release
        • Release v4.10 - ESR
        • Release v4.9 - Feature Release
        • Release v4.8 - Feature Release
        • Release v4.7 - Feature Release
        • Release v4.6 - Feature Release
        • Release v4.5 - Feature Release
        • Release v4.4.5 - Feature Release
        • Release v4.3.4 - Feature Release
        • Release v4.2.2 - Feature Release
        • Release v4.1.2 - Feature Release
        • Release v4.0.5 - Feature Release
        • Release v3.10.3
        • Release v3.9.2
        • Release v3.8.3
        • Release v3.7.5
        • Release v3.6.7
        • Release v3.5.1
        • Release v3.4.0
        • Release v3.3.0
        • Release v3.2.0
        • Release v3.1.0
        • Release v3.0.3
        • Release v2.2.0
        • Release v2.1.0
        • Release v2.0.0
        • Release v1.4.0
        • Release v1.3.0
        • Release v1.2.1
        • Release v1.2.0 (Redacted Release)
        • Release v1.1.1 (Quality Release)
        • Release v1.1.0
        • Release v1.0.0
        • Release v0.7.0 (Beta1)
        • Release v0.6.0 (Alpha)
        • Release v0.5.0 (Preview)
      • Mattermost Cloud
        • Release 2021-08-12
        • Release 2021-07-29
        • Release 2021-07-15
        • Release 2021-07-01
        • Release 2021-06-16
        • Release 2021-06-02
        • Release 2021-05-21
        • Release 2021-05-05
        • Release 2021-04-22
        • Release 2021-04-07
        • Release 2021-03-24
        • Release 2021-03-12
        • Release 2021-02-25
        • Release 2021-02-10
        • Release 2021-01-26
        • Release 2021-01-12
        • Release 2020-12-18
        • Release 2020-12-09
        • Release 2020-12-03
        • Release 2020-11-24
      • Mobile Apps
        • 1.47.0 Release
        • 1.46.0 Release
        • 1.45.1 Release
        • 1.45.0 Release
        • 1.44.1 Release
        • 1.44.0 Release
        • 1.43.0 Release
        • 1.42.1 Release
        • 1.42.0 Release
        • 1.41.1 Release
        • 1.41.0 Release
        • 1.40.0 Release
        • 1.39.0 Release
        • 1.38.1 Release
        • 1.38.0 Release
        • 1.37.0 Release
        • 1.36.0 Release
        • 1.35.1 Release
        • 1.35.0 Release
        • 1.34.1 Release
        • 1.34.0 Release
        • 1.33.1 Release
        • 1.33.0 Release
        • 1.32.2 Release
        • 1.32.1 Release
        • 1.32.0 Release
        • 1.31.2 Release
        • 1.31.1 Release
        • 1.31.0 Release
        • 1.30.1 Release
        • 1.30.0 Release
        • 1.29.0 Release
        • 1.28.0 Release
        • 1.27.1 Release
        • 1.27.0 Release
        • 1.26.2 Release
        • 1.26.1 Release
        • 1.26.0 Release
        • 1.25.1 Release
        • 1.25.0 Release
        • 1.24.0 Release
        • 1.23.1 Release
        • 1.23.0 Release
        • 1.22.1 Release
        • 1.22.0 Release
        • 1.21.2 Release
        • 1.21.1 Release
        • 1.21.0 Release
        • 1.20.2 Release
        • 1.20.1 Release
        • 1.20.0 Release
        • 1.19.0 Release
        • 1.18.1 Release
        • 1.18.0 Release
        • 1.17.0 Release
        • 1.16.1 Release
        • 1.16.0 Release
        • 1.15.2 Release
        • 1.15.1 Release
        • 1.15.0 Release
        • 1.14.0 Release
        • 1.13.1 Release
        • v1.13.0 Release
        • v1.12.0 Release
        • v1.11.0 Release
        • v1.10.0 Release
        • 1.9.3 Release
        • 1.9.2 Release
        • 1.9.1 Release
        • v1.9.0 Release
        • v1.8.0 Release
        • v1.7.1 Release
        • v1.7.0 Release
        • v1.6.1 Release
        • v1.6.0 Release
        • v1.5.3 Release
        • v1.5.2 Release
        • v1.5.1 Release
        • v1.5 Release
        • v1.4.1 Release
        • v1.4 Release
        • v1.3 Release
        • v1.2 Release
        • v1.1 Release
        • v1.0.1 Release
        • v1.0 Release
        • Beta Release
      • Desktop Apps
        • Release v4.7
        • Release v4.6
        • Release v4.5
        • Release v4.4
        • Release v4.3
        • Release v4.2.3
        • Release v4.2.2
        • Release v4.2.1
        • Release v4.2.0
        • Release v4.1.2
        • Release v4.1.1
        • Release v4.1.0
        • Release v4.0.1
        • Release 4.0.0
        • Release 3.7.1
        • Release 3.7.0
        • Release 3.6.0
        • Release v3.5.0
        • Release v3.4.1
        • Release v1.3.0
        • Release v1.2.1 (Beta)
        • Release v1.1.1 (Beta)
    • Other Resources
      • Install on Ubuntu 18.04 LTS
        • Installing Ubuntu Server 18.04 LTS
        • Installing MySQL Database Server
        • Installing PostgreSQL Database Server
        • Installing Mattermost Server
        • Configuring Mattermost Server
        • Configuring TLS on Mattermost Server
        • Installing NGINX Server
        • Configuring NGINX as a proxy for Mattermost Server
        • Configuring NGINX with SSL and HTTP/2
      • Install on RHEL 7
        • Installing Red Hat Enterprise Linux 7
        • Installing MySQL Database Server
        • Installing PostgreSQL Database
        • Installing Mattermost Server
        • Configuring Mattermost Server
        • Configuring TLS on Mattermost Server
        • Installing NGINX Server
        • Configuring NGINX as a proxy for Mattermost Server
        • Configuring NGINX with SSL and HTTP/2
      • Deploy Mattermost on Bitnami
      • AWS Elastic Beanstalk Docker Setup
        • Configuration Settings
        • (Recommended) Enable Email
        • Sample SMTP Settings
        • Troubleshooting SMTP
      • Install Mattermost Team Edition in GitLab Helm Chart
        • Prerequisites
        • Install Mattermost Team Edition Helm Chart
        • Deploy the Mattermost Team Edition Helm Chart
        • Create an OAuth application with GitLab
        • Deploy GitLab Helm Chart
        • Deploy Mattermost Team Edition Helm Chart with GitLab Helm Chart
      • Open Source Components
        • Desktop
        • Mobile
        • Redux
        • Server
        • Webapp
  • Mattermost Administration
    • The Basics
      • Self-Hosted Configuration
        • Configuration in Database
        • Environment Variables
        • Override Mattermost License File
        • Load Custom Configuration Defaults
        • About
        • Reporting
        • User Management
        • Environment
        • Site Configuration
        • Authentication
        • Plugins (Beta)
        • Integrations
        • Compliance
        • Experimental
        • Settings configurable only in config.json
        • Experimental Settings only in config.json
        • Deprecated Configuration Settings
      • Cloud Workspace Configuration
        • Announcement Banner
        • Emoji
        • In-Product Notices
        • File Sharing and Downloads
        • Localization
        • Notifications
        • Posts
        • Users and Teams
      • Advanced Permissions
        • Permissions Structure
        • Channel Permissions
        • Recipes
        • Administration Tools
        • Backend Infrastructure
        • Glossary
      • System Admin Roles
        • Assigning Admin Roles
        • Editing Privileges of Admin Roles (Advanced)
        • Admin Roles and Privileges
        • Frequently Asked Questions
      • OpenID
        • Step 1: Create an OpenID Connect Application
        • Step 2: Configure Mattermost for an OpenID Connect SSO
      • Google SSO
        • Migrating from OAuth 2.0 to OpenID Connect
        • Configuring Google Apps as a Single Sign-On (SSO) service
      • Office 365 SSO
        • Migrating from OAuth to OpenID Connect
        • Configuring Office 365 as a Single Sign-On (SSO) service
      • Gitlab SSO
        • Migrating from OAuth 2.0 to OpenID Connect
        • Configuring GitLab as a Single Sign-On (SSO) service
      • Multi-factor Authentication
        • Enabling MFA
        • Enforcing MFA (E10)
      • Active Directory / LDAP
        • Overview
        • Pre-installation Notes
        • Getting Started
        • Troubleshooting/FAQ
    • Cloud Admin
      • Workspace Setup and Configuration
        • Site Configuration
        • SAML Single Sign-On
        • AD/LDAP Groups
        • Guest Accounts
        • Shared Channels
      • Workspace Management
        • Mattermost Cloud Billing
        • Statistics
        • User Satisfaction Surveys
        • Managing Team and Channel Members
      • Workspace Compliance
        • Compliance Export
        • Data Retention Policy
        • Custom Terms of Service
    • Self-Hosted Admin
      • Self-Hosted Setup and Configuration
        • Initial Setup
        • Advanced Configurations
        • User Onboarding
        • Advanced User Management Configurations
      • Self-Hosted Server Management
        • Managing Team and Channel Members
        • Statistics
        • In-Product Notices
        • User Satisfaction Surveys
        • Health Check
        • Announcement Banner
        • Bulk Export Tool
      • Self-Hosted Compliance
        • Electronic Discovery
        • Compliance Export Beta
        • Audit Log v2 (Experimental)
        • Data Retention Policy
        • Custom Terms of Service (Beta)
    • Other Resources
      • Converting OAuth 2.0 Service Providers to OpenID Connect
        • Configuring OpenID Connect Single Sign-On
      • Generate a Support Packet
      • mmctl Command Line Tool (Beta)
        • Installing mmctl
        • Building mmctl
        • Local mode
        • Running mmctl tests
        • mmctl auth
        • mmctl bot
        • mmctl channel
        • mmctl command
        • mmctl completion
        • mmctl config
        • mmctl docs
        • mmctl export
        • mmctl group
        • mmctl group channel
        • mmctl group team
        • mmctl import
        • mmctl integrity
        • mmctl ldap
        • mmctl license
        • mmctl logs
        • mmctl permissions
        • mmctl plugin
        • mmctl plugin marketplace
        • mmctl post
        • mmctl roles
        • mmctl system
        • mmctl team
        • mmctl team users
        • mmctl token
        • mmctl user
        • mmctl version
        • mmctl webhook
        • mmctl websocket
      • Migration Announcement Email Template
        • Email Template
      • Configuring Apache2 (Unofficial)
        • Configuring Apache2 as a proxy for Mattermost Server (Unofficial)
        • Configuring Apache2 with SSL and HTTP/2 (Unofficial)
      • Advanced Permissions: Backend Infrastructure
        • Entity Definitions
        • Data Structure
      • Command Line Tools
        • Using the CLI
        • Using the CLI on GitLab Omnibus
        • Using the CLI on Docker Install
        • Using the CLI on Docker Preview
        • mattermost
        • mattermost channel
        • mattermost command
        • mattermost config
        • mattermost db init
        • mattermost export
        • mattermost extract-documents-content
        • mattermost group
        • mattermost group channel
        • mattermost group team
        • mattermost help
        • mattermost import
        • mattermost integrity
        • mattermost jobserver
        • mattermost ldap
        • mattermost license
        • mattermost logs
        • mattermost permissions
        • mattermost plugin
        • mattermost reset
        • mattermost roles
        • mattermost sampledata
        • mattermost server
        • mattermost team
        • mattermost user
        • mattermost version
        • mattermost webhook
        • Executing a command hangs and doesn’t complete
      • Scripts
  • Channels
    • Access Your Workspace
      • Log In to Your Workspace
        • Email Address or Username Sign In
        • Single Sign-On
      • About Teams, Channels, and Messages
        • Teams
        • Channels
        • Messages
      • Switch Between Teams
      • Log Out of Mattermost
    • Work With Messages
      • Messaging Basics
      • Send and Receive Messages
        • Send a Message
        • Reply to Messages
        • Edit or Delete Messages
        • Link to Messages
        • Mark Messages as Unread
      • Collapsed Reply Threads
        • Enable Collapsed Reply Threads
        • Known Issues
        • Start or Reply to Threads
        • Follow Threads and Messages
        • View All Threads
        • Tutorial Video
      • Text Formatting
        • Text Style
        • Links
        • Headings
        • Lists
        • Code Block
        • In-line Code
        • In-line Images
        • Lines
        • Block quotes
        • Tables
        • Math Formulas
      • Use Emojis
        • Adding Emojis to messages
        • Typing an Emoji
        • Creating Custom Emojis
      • Mention Teammates
        • @Mentions
        • Words That Trigger Mentions
        • Recent Mentions
        • Confirmation Dialog Warnings
        • Highlighting
      • Share Files
        • Attach Files to Messages
        • Preview File Attachments
        • Attachment Limits and Sizes
      • Execute Commands
        • Built-in Commands
        • Custom Commands
      • Save Messages
        • Saving a Message
        • Viewing Saved Messages
        • Unsaving Messages
      • Pin Messages
        • Pin a Message
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      • Search
        • Searching for Message Contents
        • Searching for File Contents
        • Search Modifiers
        • Hashtags
        • Notes About All Searches
        • Technical Notes
    • Manage Teams, Channels, and Members
      • Create Teams
        • Methods to Create a Team
        • Team Name and URL Selection
        • Best Practices for Using a Single Team vs. Multiple Teams
      • Team Settings
        • General
        • Import
      • Manage Team Members
        • Inviting Team Members
        • User Roles
        • Removing a User from a Team or Leaving a Team
      • Manage Channels
        • Creating a channel
        • Creating a Direct or Group Message
        • Joining a channel
        • Adding members to a channel
        • Removing members from a channel
        • Naming a channel
        • Leaving a channel
        • Archiving a channel
        • Unarchiving a channel
        • Converting Public channels to Private channels (and vice versa)
        • Favoriting a channel
        • Muting and unmuting a channel
        • Switching channels
        • Navigating recently viewed channels
      • Channel Settings
        • Channel Notification Preferences
        • Channel Header
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        • Channel Name
      • Organize Channels
        • The importance of channel names
        • How to navigate and organize channels
        • Channel naming examples
    • Customize Mattermost
      • Set Status and Availability
        • Setting a Custom Status
        • Clearing a Custom Status
        • Setting Your Availability
      • Configure Notifications
        • Desktop Notifications
        • Email Notifications
        • Mobile Push Notifications
        • Browser Tab Notifications
        • Muting a Channel
        • Ignoring Mentions
      • Organize the Sidebar
        • Channel types
        • Customizing your sidebar
        • Creating custom categories
        • Organizing channels in categories
        • Muting and unmuting categories
        • Sorting channels in categories
        • Group unread channels separately
        • Managing Direct Messages
      • Account Settings
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        • Security
        • Notifications
        • Display
        • Sidebar
        • Advanced
      • Theme Colors
        • Import Theme from Slack
        • Custom Themes
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      • Desktop App Configurations
        • Dark Theme
      • Manage Server Connections
        • Adding Servers
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        • Removing Servers
    • Navigate Mattermost
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        • Region Navigation
        • Message Navigation
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      • Keyboard Shortcuts
        • Navigation
        • Files
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        • Formatting
        • Browser Built-in
    • Extend Mattermost Messaging
      • Integrations
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        • CI/CD integrations
        • Atlassian integrations
        • Productivity integrations
        • Voice, video, and screensharing integrations
        • Bot integrations
      • Incoming Webhooks
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      • Slash Commands
  • Playbooks
    • The Basics
      • Overview
      • Get Started
        • Accessing and Navigating Playbooks
      • Plan Playbooks
        • Creating checklists
        • Configuring templates
        • Defining actions
        • Setting permissions
        • Editing a playbook
      • Run Playbooks
        • Slash commands
        • Joining a playbook run
        • Working with tasks
        • Changing owners
        • Providing a status update
        • Ending a playbook run
        • Restarting a playbook run
      • Refine and Improve
        • Creating and publishing retrospectives
  • Boards
    • The Basics
      • Overview
      • Get Started
      • Access Boards
      • Work With Boards
        • Adding new Boards
        • Renaming Boards
      • Work With Views
        • Adding new Views
        • Dragging cards
        • Editing cards
        • Table Views
      • Share Boards
      • Templates
        • Board templates
        • Card templates
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Please see Installing Mattermost on Debian Buster.

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