Minimal net install is useful when a dedicated server is installed from a IPMI KVM or Dell iDRAC, HP iLO, IBM IMM or where the initial client side download of files need to be minimal.
CentOS Stream 9 is receives the updates before Red Hat Enterprise Linux (RHEL) and there is no versioning except the major release, which is 9. So the CentOS Stream 9 receives the updates for Red Hat Enterprise Linux (RHEL) 9. On monthly or less basis CentOS community releases a stable ISO with a temporary time version like this one CentOS Stream 9 (20220606.0).

Continuously delivered distro that tracks just ahead of Red Hat Enterprise Linux (RHEL) development

Here are some useful URLs:

• Main information page of the CentOS Stream 9 – https://centos.org/stream9/
• CentOS Stream 9 download page with different links for different architectures such as – https://www.centos.org/centos-stream/#tab-3
• Main directory tree of CentOS Stream 9 software with directories for ISOs, repository packages and more – http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/iso/
• Links to AMD64 CentOS Stream 9 ISOs – http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/iso/
• There are two type of ISOs, first is the small one under 1G – 814 Mbytes – http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/iso/CentOS-Stream-9-latest-x86_64-boot.iso. The second type used for offline installs (8.1 Gbytes) – http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/iso/CentOS-Stream-9-latest-x86_64-dvd1.iso

For amd64 the net of CentOS Stream 9 install bootable media is located here (now the current latest release is 20220606.0, but you may check the last release. for the time you follow this howto):

http://mirror.stream.centos.org/9-stream/BaseOS/x86_64/iso/CentOS-Stream-9-latest-x86_64-boot.iso

Note there is no minimal CD for offline installation. Boot CD is to just boot and make “network installation” installation and there is a big fat DVD of 8.1 Gbytes to install offline.

Software details of CentOS Stream 9 minimal install could be found here – coming soon. Technical details of a default CentOS Stream 9 (20220606.0) minimal installation
There is a previous major release installation article – How to do a network installation of CentOS 8 (8.0.1950) – minimal server installation

Download it and put it on a CD or USB, the boot from it and follow the steps bellow:

SCREENSHOT 1) If you booted from the DVD you would get this first screen – select “Install CentOS Stream 9” and hit Enter

SCREENSHOT 2) The kernel and the live system are loading…

SCREENSHOT 3) Choose your system language. Here we selected the English.

The setup will guide you through the steps in the language you select here and the installed system will use the selected language as default.

SCREENSHOT 4) Select time and date menu to set the time and date and the time zone of the system, which is very important.

Click on “Time & Date”.

SCREENSHOT 5) Select your time zone – here we selected UTC (Universal Coordinated Time), but you can choose your time zone if it is not the right one by default.

You even may point with the mouse to your country on the map. Click on “Done” when you are ready.

SCREENSHOT 6) Set the connectivity of your server.

Because this is network installation you cannot proceed with the installation without a working network.

SCREENSHOT 7) Click on the network adapter you are going to use for the Internet to select it and then click on “Configure…” button bottom right.

SCREENSHOT 8) Set the IP of the server

First, click on “IPv4 Settings” and set to “Manual” from the dropdown menu “Method”, then click on “Add” and in each of the three text boxes fill the network settings of your choice. We have filled the text fields with local IP and settings. Add DNS servers separating them with comas and click on “General” tab.

SCREENSHOT 9) Click on “Done” if you are ready.

You can see our Ethernet adapter enp5s0 is configured successfully it has IP and the link is up (connected to the 1000 Mb/s network). Set the host name of your machine in the left bottom text box and click on “Apply”. Then click on “Done”.

SCREENSHOT 10) Select what software you would like the setup to install at first.