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17.6. Selecting the base environment and additional software

You can choose the appropriate base environment and additional software packages during RHEL installation from the Software Selection window to customize your system for specific use cases. It determines the software stack that will be installed and affects system performance, security, and functionality.

  • Base Environment contains predefined packages. You can select only one base environment, for example, Server with GUI (default), Server, Minimal Install, Workstation, Custom operating system, Virtualization Host. The availability is dependent on the installation ISO image that is used as the installation source.
  • Additional Software for Selected Environment contains additional software packages for the base environment. You can select multiple software packages.

Use a predefined environment and additional software to customize your system. However, in a standard installation, you cannot select individual packages to install. To view the packages contained in a specific environment, see the repository/repodata/*-comps-repository.architecture.xml file on your installation source media (DVD, CD, USB). The XML file contains details of the packages installed as part of a base environment. Available environments are marked by the <environment> tag, and additional software packages are marked by the <group> tag.

If you are unsure about which packages to install, select the Minimal Install base environment. Minimal install installs a basic version of Red Hat Enterprise Linux with only a minimal amount of additional software. After the system finishes installing and you log in for the first time, you can use the DNF package manager to install additional software.

注記
  • Use the dnf group list command from any RHEL 10 system to view the list of packages being installed on the system as a part of software selection.
  • If you need to control which packages are installed, you can use a Kickstart file and define the packages in the %packages section. For more information, see the Automatically installing RHEL document.
  • By default, RHEL 10 does not install the TuneD package. You can manually install the TuneD package by using the dnf install tuned command.

Prerequisites

  • You have configured the installation source.
  • The installation program has downloaded package metadata.
  • The Installation Summary window is open.

Procedure

  1. From the Installation Summary window, click Software Selection. The Software Selection window opens.
  2. From the Base Environment pane, select a base environment. You can select only one base environment, for example, Server with GUI (default), Server, Minimal Install, Workstation, Custom Operating System, Virtualization Host. By default, the Server with GUI base environment is selected.

  3. Optional: For installations on ARM based systems, select desired Page size from Kernel Options.

    By default, Kernel with a 4k page size is selected.

  4. From the Additional Software for Selected Environment pane, select one or more options.
  5. Click Done to apply the settings and return to graphical installations.
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