Software and technical details of CentOS Stream 9 minimal install

This article is for those of you who do not want to install a whole new operating system only to discover some technical details about the default installation like disk layout, packages included, software versions, and so on. Here we are going to review in several sections what is like to have a default installation of CentOS Stream 9 using a real not virtual machine!
Here are some useful URLs:

How to install CentOS Stream 9Network installation of CentOS Stream 9 (20220606.0) – minimal server installation
The kernel is 5.14.0 it detects successfully the Threadripper 1950X AMD and the system is stable (we booted in UEFI mode).
The installation procedure uses default options for all installation setups – Network installation of CentOS Stream 9 (20220606.0) – minimal server installation

Software

With CentOS Stream 9 (20220606.0) you could have

  • linux kernel – 5.14.0 (5.14.0-109.el9.x86_64)
  • System
    • linux-firmware – version: 20220509, release: 20220509-126.el9.
    • libc – 2.34 (2.34-32.el9)
    • systemd – 250-7 (250-7.el9)
    • GNU GCC – 11.3.1 (gcc-11.3.1-2.el9)
    • OpenSSL – 3.0.1 (3.0.1-33.el9) and 1.1.1k (compat-openssl11-1.1.1k-4.el9)
    • coreutils – 8.32 (8.32-31.el9)
    • yum – deprecated and replaced with dnf
    • dnf – 4.12.0 (4.12.0-2.el9)
    • rsyslog – 8.2102.0 (8.2102.0-105.el9)
    • NetworkManager – 1.39.6 (1:1.39.6-1.el9)
  • Servers
    • Apache – 2.4.53 (2.4.53-2.el9)
    • Nginx – 1.20.1 (1.20.1-10.el9)
    • MySQL server – 8.0.28 (8.0.28-1.el9)
    • MariaDB server – 10.5.13 (10.5.13-2.el9)
    • PostgreSQL – 13.7 (13.7-1.el9)
  • Programming
    • PHP – 8.0.13 (8.0.13-1.el9)
    • python – 3.9.10 (3.9.10-2.el9)
    • perl – 5.32.1 (5.32.1-479.el9)
    • ruby – 3.0.3 (3.0.3-159.el9)
    • OpenJDK – 17.0.3.0.7 (17.0.3.0.7-1.el9), 11.0.15.0.10 (11.0.15.0.10-1.el9) and 1.8.0.332.b09 (1.8.0.332.b09-1.el9)
    • Go – 1.17.5 (1.17.5-1.el9)
    • Rust – 1.61.0 (1.61.0-1.el9)
    • llvm – 14.0.0 (14.0.0-2.el9)
    • Subversion – 1.14.1 (1.14.1-5.el9)
    • Git – 2.31.1 (2.31.1-2.el9.2)

Note: Not all of the above software comes installed by default. The versions above are valid as of June 2022, these are the minimal versions you get with CentOS Stream 9 (20220606.0) now and updating it after the initial date may update some of the above packages with newer versions.

Installed packages are 376 occupying 1.6G space:. Note, this is CentOS Stream 9 Minimal Install, not server or server with GUI.

[root@srv ~]# dnf list installed|wc -l
377
[root@srv ~]# df -h /
Filesystem               Size  Used Avail Use% Mounted on
/dev/mapper/cs_srv-root   70G  1.6G   69G   3% /

Security

  1. Access control security policies – Selinux in Enforcing mode.
    [root@srv ~]# getenforce
    Enforcing
    
  2. Network firewall – Firewalld
    [root@srv ~]# firewall-cmd --list-all
    public (active)
      target: default
      icmp-block-inversion: no
      interfaces: enp5s0
      sources: 
      services: cockpit dhcpv6-client ssh
      ports: 
      protocols: 
      forward: yes
      masquerade: no
      forward-ports: 
      source-ports: 
      icmp-blocks: 
      rich rules:
    [root@srv ~]# firewall-cmd --get-zones
    block dmz drop external home internal nm-shared public trusted work
    

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