Professional Services

From Whonix

Patrick Schleizer can provide professional support in various IT domains, including but not limited to:

  • Computer security engineering and education.
  • Linux distribution maintenance.
  • Qubes OS (computer security by compartmentalization).
  • Online privacy.
  • Project coordination.
  • Threat modeling. [1]
  • Community management.
  • Cooperation with other software projects.
  • Documentation writing.
  • User support and education.
  • Basic website administration using common web applications.
  • Scandal prevention. [2]
  • Build automation script engineering.
  • systemd unit files.
  • Shell scripting.
  • Debian packaging.
  • Debian APT repository management.
  • Debian package dependencies issues analysis. [3]
  • Linux sysadmin tasks. [4]
  • Licensing compliance.
  • Debian machine readable licensing.
  • Release maintenance: freeze, build, sign, upload, support, and hot fixes.
  • Reviewing user code and documentation contributions.
  • Contributor coordination.
  • Upstream project bug reports.
  • Review of python and ruby code.
  • git.
  • gpg / gnupg / OpenPGP / signify / codecrypt.
  • 2FA (Two-factor authentication), YubiKey, Linux PAM (Pluggable Authentication Modules), SSH with smartcard, fingerprint, "Google Authenticator"
  • Spam reduction: moderating mailing lists, forums, and wikis.
  • Network mirroring.
  • Mediation. [5]
  • Computer maintenance and education.
  • Blog posts. [6]
  • iptables firewalls.
  • inotifywait.
  • Marketing.
  • Continuous Integration (CI).
  • proposals, protocols, RFCs [archive]
  • See also portfolio [archive] / github profile [archive].
  • What we do


  1. One example can be found here.
  2. This cannot be guaranteed, but there has been no bad press or posts pointing out any scandals, misinformation or inappropriate behavior by the Whonix team.
  3. [archive]
  4. To oversimplify it, Whonix is a collection of shell scripts, package selections and configuration files.
  5. For example, contributions to mediating the stale /etc/bash.bashrc.d implementation dispute - [archive]
  6. Technical and other content may require minor edits to meet specific editorial standards.