Have Questions?

Have questions about a training or certification exam, course purchase or scheduling?

Please submit a Training & Certification Support Request. It is the fastest way to receive support.

Project Support

For hosted project support, please Submit a Support Request.

Security Issues

To report vulnerabilities, see the security page.

Project Hosting

To learn more or inquire about hosting a project at the Linux Foundation, please visit our Host a Project page.

Contact Us

We do not provide any support for Linux. To get answers to your Linux questions, please check Linux-related resources available on the Internet or contact the distribution vendor.


Main Office

548 Market St

PMB 57274

San Francisco, California

94104-5401 US

TEL: +1 415 723 9709


Linux Foundation Japan

#901, 74-1 Yamashita-cho, Naka-ku

Yokohama-shi, Kanagawa, 231-0023, Japan


FAX : 045-228-7762


Linux Foundation Europe

Avenue des arts 56

1000 Bruxelles