How to limit number of CPU's in Red Hat Enterprise Linux on a multi-core server

Solution Verified - Updated -

Issue

  • What is the procedure to disable/enable processors (on the fly) on systems with multiprocessors? These are production systems and the procedure must be very transparent.
  • How to limit number of CPU's on server in Red Hat Enterprise Linux ?
  • How to restrict server to "N" number of CPU's only ?

Environment

  • Red Hat Enterprise Linux (RHEL) 5
  • Red Hat Enterprise Linux (RHEL) 6
  • Red Hat Enterprise Linux (RHEL) 7

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.