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Markus Feilner

Markus Feilner has worked with Linux and open source software since 1994. He was deputy editor-in-chief of the German Linux-Magazin and IX and documentation team lead at SUSE. He has run his company, Feilner IT, for over 22 years.

Dauchshund in a box.

Open Source

Moving from Atlassian Confluence to BlueSpice

Dec 6, 2024 8 min read

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Tools

Grommunio a Feature-Rich Drop-in-Replacement for Microsoft Exchange

Oct 4, 2024 11 min read

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Tools

Microsoft Exchange Replacement with grommunio

Jun 4, 2022 13 min read

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Security

Hunt Down Vulnerabilities with the Metasploit Pen-Testing Tool

Dec 4, 2021 17 min read