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7.2.  Installing from a Different Source

You can install Red Hat Enterprise Linux from the ISO images stored on hard disk, or from a network using NFS, FTP, HTTP, or HTTPS methods. Experienced users frequently use one of these methods because it is often faster to read data from a hard disk or network server than from a DVD.
The following table summarizes the different boot methods and recommended installation methods to use with each:

Table 7.1. Boot methods and installation sources

Boot method Installation source
Installation DVD DVD, network, or hard disk
Installation USB flash drive Installation DVD, network, or hard disk
Minimal boot CD or USB, rescue CD Network or hard disk
Refer to Section 3.7, “Selecting an Installation Method” for information about installing from locations other than the media with which you booted the system.