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Linux System Requirements

This Article Applies to:

  • Avast Business Antivirus for Linux

For full Linux-related documentation, see Avast Business Antivirus for Linux Technical Guide.


  • Debian 10 and 11

  • Ubuntu LTS 18.04, 20.04, and 22.04

  • CentOS 7 and higher

  • RHEL (Red Hat Enterprise Linux)/AlmaLinux/Rocky Linux 7, 8, and 9

  • Amazon Linux 2

Note that certain older versions of Avast Business Antivirus for Linux no longer support some of the above-mentioned operating systems (see Antivirus for Linux Legacy Information).

Older OS versions can install older packages from:


Ports (TCP & UDP)

  • 80 – Internet Vulnerability Checks and Feature Updates
  • 7500 - For push notification services


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