How to set limits (ulimit) for services in RHEL6 and older with upstart, sysvinit

Solution Verified - Updated -


  • How to set limits for services started at boot

  • Limits are not set for services starting at boot even though they are configured in /etc/security/limits.conf or in files under /etc/security/limits.d

  • Restarting the service sets the limits correctly

  • Process address space limit is not taking effect following patching


  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

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