How to set the VGA console text resolution to 80x25 in RHEL 6 and RHEL 7

Solution Verified - Updated -

Issue

  • How do I make the text console to be 80x25 rather than the higher resolution which RHEL 6 and RHEL 7 use by default? This is necessary for the remote management features used in certain blade chassis.
  • Adding append vga=normal to the PXE options does not appear to change the resolution.

Environment

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

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