What is the Difference between RHEL 8 and RHEL 9? | TechArticles

by Jay

Comparing Red Hat 8 and Red Hat 9: A Comprehensive Look at the Difference Between Red Hat and Ubuntu

Welcoming the world to their new corporate Linux distribution, better known as RHEL, RedHat, one of the technological giants of our generation known for different OpenSource and Enterprise Software products, just demonstrated their colossal resilience, consistency, and continuity (RedHat Enterprise Linux).

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Following its introduction, RedHat Enterprise Linux 9 is now prepared to take on the laudable task of serving the globe, giving various applications being developed a secure and cosy home, and accelerating the speed of technological advancement. All things considered, one unanswered query served as inspiration for this paper. And the subject is “How RHEL 9 contrasts with RHEL 8,” What causes them to make

When it comes to operating systems, there are a number of choices available in the market. But when it comes to choosing an enterprise-level OS, two of the most popular options are Red Hat and Ubuntu. In this blog post, we’ll compare Red Hat 8 and 9 and take a comprehensive look at the differences between Red Hat and Ubuntu.

1: Introduction to Red Hat and Ubuntu

Red Hat is a commercial Linux distribution developed by Red Hat, Inc. It is widely used in the enterprise environment due to its stability and security. Red Hat is widely considered to be one of the best enterprise-level Linux distributions available in the market.

On the other hand, Ubuntu is an open-source Linux distribution developed by Canonical, Ltd. It is widely used in home and office environments due to its ease of use and user-friendly interface. Ubuntu is also becoming increasingly popular in the enterprise environment due to its cost-effectiveness and scalability.

2: History of Red Hat and Ubuntu

Red Hat was first released in 1994. Since then, it has become one of the most popular enterprise-level Linux distributions in the market. Over the years, Red Hat has released various versions of its OS, the most recent being Red Hat 8 and 9.

Ubuntu was first released in 2004. Since then, it has become one of the most popular Linux distributions in the market. Over the years, Ubuntu has released various versions of its OS, the most recent being Ubuntu 18.04LTS.

Table highlights Differences between RHEL 8 and RHEL 9.

Type
Feature
RHEL 8
RHEL 9
Maximum logical CPUs x86_64 768 [8192] 1792 [8192]
Maximum memory x86_64 24TB [64TB] 48TB [64TB]
Minimum required memory x86_64 1.5 GiB for local media or NFS network installation, 3 GiB for HTTP(S) and FTP network installation 1.5 GiB for local media or NFS network installation, 3 GiB for HTTP(S) and FTP network installation
Minimum required disk space x86_64 10GB minimum, 20GB recommended 10GB minimum, 20GB recommended
File System and storage      
Ext3 Maximum file size 2TB 2TB
Maximum file system size 16TB 16TB
Maximum subdirectories 32000 32000
ACL support Yes Yes
Ext4 Maximum file size 16TB 16TB
Maximum file system size 50TB 50TB
Maximum subdirectories 65000/unlimited 65000/unlimited
ACL support Yes Yes
GFS2 Maximum file size 100TB [8EB] 100TB [8EB]
Maximum file system size 100TB [8EB] 100TB [8EB]
Maximum subdirectories Unlimited Unlimited
ACL support Yes Yes
XFS Maximum file size 8EB 8EB
Maximum file system size 1PB 1PB
Maximum subdirectories Unlimited Unlimited
ACL support Yes Yes
Storage Maximum Boot LUN size 2TB 2TB
Maximum Boot LUN size 8EB 8EB
Maximum number of device paths (sd devices) 10,000 power 1617 10,000 power 1617
Kernel and OS features Kernel foundation 4.18 5.14
Compiler/toolchain GCC 8.2.1 GCC 11.2.1
Client environment Desktop GUI Gnome 3.28 Gnome 40, plus updates
Graphics Wayland 1.15 Wayland 1.19
Office suite LibreOffice v6.0.6.1 LibreOffice v7.1.8.1

GNOME Evolution v3.28.5 v3.40.4
Default browser Firefox 60.5.1 Firefox 91.8.0

3: Differences between Red Hat 8 and 9

The main difference between Red Hat 8 and 9 is the kernel version. Red Hat 8 uses the Linux kernel version 4.18, while Red Hat 9 uses the Linux kernel version 5.14. Additionally, Red Hat 9 also has improved support for newer hardware and software.

4: System Requirements for Red Hat 8 and 9

Red Hat 8 requires at least 512 MB of RAM, a processor of at least 1 GHz, and at least 10 GB of hard disk space.

Red Hat 9 requires at least 1 GB of RAM, a processor of at least 1.8 GHz, and at least 20 GB of hard disk space.

5: Comparing the Installation Process of Red Hat 8 and 9

The installation process for both Red Hat 8 and 9 is relatively simple. Both versions require the user to create a bootable USB drive and then boot the system from the USB drive. The user then needs to follow the on-screen instructions to complete the installation process.

One of the advantages of Red Hat 9 is that it supports a graphical installer, which makes the installation process even easier. The user can simply select the desired options from the graphical interface to complete the installation process.

6: Desktop Environments on Red Hat 8 and 9

Red Hat 8 comes with the GNOME 2.x desktop environment, while Red Hat 9 comes with the GNOME 3.x desktop environment. The GNOME 3.x desktop environment is much more modern and intuitive, and is designed to be more user-friendly. Additionally, Red Hat 9 also supports the KDE Plasma 5 desktop environment, which is a more customizable and feature-rich desktop environment.

7: Differences in Security between Red Hat 8 and 9

When it comes to security, both Red Hat 8 and 9 are quite secure. Both versions support SELinux, which is a powerful security framework. Additionally, Red Hat 9 also includes AppArmor, which is another powerful security framework.

8: Advantages and Disadvantages of Red Hat 8 and 9

Red Hat 8 has the advantage of being a more stable and secure operating system. It is also suitable for older hardware. However, it lacks the modern features and user interface of Red Hat 9.

Red Hat 9 has the advantage of being more feature-rich and user-friendly. It also has better support for newer hardware and software. However, it is more resource-intensive and may not be suitable for older hardware.

9: Comparing the Software Packages on Red Hat 8 and 9

Red Hat 8 comes with a wide variety of software packages, including the Apache web server, the MySQL database server, and the PostgreSQL database server. It also includes a wide range of development tools such as the GCC C/C++ compiler and the Python scripting language.

Red Hat 9 also comes with a wide variety of software packages, including the Apache web server, the MariaDB database server, and the PostgreSQL database server. It also includes a wide range of development tools such as the GCC C/C++ compiler and the Python scripting language. Additionally, Red Hat 9 also includes support for the Golang programming language.

10: Performance Comparison between Red Hat 8 and 9

When it comes to performance, Red Hat 8 and 9 are quite similar. Both versions are quite fast and stable, and can handle a wide range of tasks. However, Red Hat 9 has the advantage of being more resource-efficient, which can lead to better performance in certain scenarios.

11: Conclusion

In conclusion, Red Hat 8 and 9 are both powerful and reliable operating systems. Red Hat 8 is more suitable for older hardware, while Red Hat 9 is more suitable for newer hardware. Additionally, Red Hat 9 is more feature-rich and user-friendly, and has better support for newer hardware and software.

Overall, both Red Hat 8 and 9 are great operating systems, and it really depends on the user’s requirements and preferences as to which one is better. If you’re looking for an enterprise-level Linux distribution, then Red Hat 8 and 9 are both good options.

In this blog post, we’ve compared Red Hat 8 and 9 and taken a comprehensive look at the differences between Red Hat and Ubuntu. Hopefully, this post has helped you make an informed decision about which operating system to choose.

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