Minimum System Requirements

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The following are the minimum system requirements for OpenLiteSpeed.

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Operating System

OpenLiteSpeed supports current and non-EOL versions of the following Linux distributions:

  • RedHat Enterprise Linux and derivatives
    • AlmaLinux
    • CentOS
    • CloudLinux
    • Oracle Linux
    • RockyLinux
    • VzLinux
  • Debian and Ubuntu


  • Intel: 80486 and up
  • PowerPC: PowerPC G4


  • ARM CPU may work if you can compile OLS yourself from the source successfully but you can not use binary installation or use repository to install at all.


  • 32MB and up


  • Installation: 200MB
  • Runtime: 300MB and up, swapping space depends on usage