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Poster-format overview


Wikimedia Cloud Services (WMCS) provides tools, services, and support for technical collaborators who want to contribute to Wikimedia software projects.

It is available for use by anyone connected with the Wikimedia movement without charge. Support and administration of the WMCS resources is provided by the Wikimedia Foundation Cloud Services team and Wikimedia movement volunteers.

Find out more:

(TODO) Examples of what you can do by running software on Cloud Services include:

  • Build a tool that suggests wiki pages that need editing/maintenance
  • Find out which articles on a Wikipedia mention cats


Decide which service is best for your needs.

TODO: Describe what these four things are:

Which service is right for you?

Activity / Needs Quarry (DaaS) PAWS (DaaS) Toolforge (PaaS) Cloud VPS (IaaS)
Browser based
Terminal based
Write queries against replica databases
Run database dumps
Write and run bots
Run webservices
Build tools to improve Wikimedia projects
Schedule or run continuous jobs
Administrate your own virtual server
Need your own subdomain
Write documentation and create tutorials
Work with co-maintainers and co-admins
User knowledge curious—advanced curious—advanced intermediate—advanced advanced
Service concept Data as a service Data as a service Platform as a service Infrastructure as a service

Get started

Make sure to review and agree to our terms and conditions. Account Holders who plan to use WMCS resources and products must read and agree to the following:

Please pay close attention to the following terms for Toolforge and Cloud VPS:

Set up your accounts

  • Wikimedia account — this is the single user login (SUL) account you use to contribute to Wikipedia and its sister projects. When you create your Wikimedia account, you will create a username and password.
  • Wikimedia developer account — this account is used to log into this wiki, Toolforge, Cloud VPS, Gerrit (our code review system for patches) and other protected Wikimedia Services. When you create your Wikimedia developer account, you will create a username (sometimes called LDAP username), UNIX shell username, and password.
    • Note that while GitHub contains many of our public repos, you can only make pull requests for Cloud Services projects via Gerrit. Other wiki projects may use GitHub exclusively.
  • Gerrit: Once you have set up the two accounts above, including your UNIX shell username, set up your SSH keys in Gerrit.

You may also want to create an account in Phabricator, our project management system for tasks and bug reports.


Cloud VPS

TODO: The ability to access instances in the Cloud VPS environment.



Communication and support

We communicate and provide support through several primary channels. Please reach out with questions and to join the conversation.

Discuss and receive general support via real-time chat
Discuss and receive general support via email, and receive information about ongoing initiatives
Subscribe to the cloud@ mailing list
Receive mail announcements about critical changes
Subscribe to the cloud-announce@ mailing list (all messages are also mirrored to the cloud@ list)
Track work tasks and report bugs
Use the Phabricator workboard #Cloud-Services
Read about major near-term plans
See the News wiki page
Read news and stories about our work
See the Cloud Services Blog (For the broader Wikimedia movement, see the Wikimedia Technical Blog)

(TODO: Taken from Help:Cloud Services communication)

Technology stack

WMCS is a computing ecosystem built on OpenStack, GridEngine, and Kubernetes.

Learn more

  • Toolforge Portal — Information about Toolforge and links to help and technical documentation.
  • Cloud VPS Portal — Information about Cloud VPS and links to help and technical documentation.
  • Data Services Portal — Information about Data Services and links to help and technical documentation.
  • Some terms are specific to Toolforge and Cloud VPS. See the Glossary for detailed definitions.

Historical information

From 2011 until early 2017, Wikimedia Cloud Services was known as Wikimedia Labs. However, the term Labs was used for several different things.

Since 2017, the former Wikimedia Foundation Labs team and Tool Labs Support team merged into the Wikimedia Cloud Services team.