How do I upgrade from Red Hat Enterprise Linux 6 to Red Hat Enterprise Linux 7?

Solution Verified - Updated -

Issue

  • How do I perform an in-place upgrade from the latest Red Hat Enterprise Linux 6 to the latest Red Hat Enterprise Linux 7?
  • How do I use the Preupgrade Assistant and Red Hat Upgrade Tool to upgrade Red Hat Enterprise Linux 6 to Red Hat Enterprise Linux 7?

Environment

  • Red Hat Enterprise Linux 6.x to Red Hat Enterprise Linux 7
Product Variant x86 Architecture x86_64 Architecture IBM Power IBM z Systems
Desktop Edition Not supported Not supported N/A N/A
Workstation Edition Not supported Not supported N/A N/A
Server Edition Not supported Supported Supported[1] Supported[2]
HPC Compute Node Not supported Supported N/A N/A
Server running CloudForms software N/A Not supported N/A N/A
Server running Satellite software N/A Not supported[3] N/A N/A
Product Variant All Variants
UEFI-based RHEL Installations Not Supported

[1] Red Hat Enterprise Linux for Power, big endian
[2] Red Hat Enterprise Linux for IBM z Systems, except when Direct Access Storage Device (DASD) with Linux Disk Layout (LDL) is used
[3] Red Hat Satellite 6 Documentation will provide information and required tooling for migrating a Satellite environment from RHEL 6 to RHEL 7, but the in-place upgrade tool is not a supported method for this procedure. Refer to point 6.1 in the Satellite 6 Install Guide.

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