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Red Hat Enterprise Linux 9 Essentials Book now available.

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Red Hat Enterprise Linux 9 Essentials Print and eBook (PDF) editions contain 34 chapters and 298 pages

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2.2.3. Networking

This section describes what behaviors have changed in the graphical installer, relating to networking.
  • Anaconda is now using NetworkManager for configuration of network interfaces during installation. The main network interface configuration screen in Anaconda has been removed. Users are only prompted for network configuration details if they are necessary during installation. The settings used during installation are then written to the system for later use.
  • When using boot.iso to boot the installer, Anaconda defaults to using the Red Hat Enterprise Linux mirrorlist URL as the installation source. The method selection screen no longer appears by default. If you do not wish to use the mirrorlist URL, either add repo=your-installation-source or add askmethod to the installer boot parameters. The askmethod option causes the source selection screen to appear as it did in previous releases.
  • When PXE booting and using a .iso file mounted via NFS for the installation media, add repo=nfs:server:/path/ to the command line. The install.img file also needs to be extracted and/or placed into the nfs:server:/path/images/ directory.
  • Some systems with multiple network interfaces may not assign eth0 to the first network interface as recognized by the system BIOS. This can cause the installer to attempt to use a different network interface than was initially used by PXE. To change this behavior, use the following in pxelinux.cfg/* configuration files:
  • This configuration option causes the installer to use the same network interface as the system BIOS and PXE use. You can also use the following option, which will cause the installer to use the first network device it finds that is linked to a network switch:

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