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How to Download and Install CentOS Linux: Step-by-
How to Download and Install CentOS Linux: Step-by-
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Guest
Guest
May 21, 2025
1:24 AM
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If you're looking for a stable, secure, and community-supported Linux distribution for your server or development environment, CentOS is still a top choice in 2025. Whether you need a production-grade system or a testbed for development, CentOS offers various versions tailored to different needs. This guide will walk you through the CentOS Linux ISO download, installation steps, and help you decide between versions like CentOS 7, CentOS 8, and CentOS Stream.
What is CentOS?
CentOS (Community ENTerprise Operating System) is a Linux distribution that provides a free, enterprise-class, community-supported computing platform. It is functionally compatible with linux centos download Since CentOS aligns closely with RHEL, it's widely used by system administrators, web hosts, and developers who require RHEL compatibility without the cost.
In recent years, CentOS has evolved. CentOS 7 and 8 follow the traditional release model, while CentOS Stream now serves as a rolling-release distribution that acts as a preview of the next minor RHEL release. Understanding the difference between these options is important before proceeding with your installation.
Step 1: Choose the Right Version
1. CentOS 7
Released in 2014 and still used widely, CentOS 7 download remains popular for legacy applications and systems requiring stability. It will be supported until June 30, 2024, but many users continue to rely on it in 2025 in internal or less security-sensitive environments.
Use CentOS 7 if:
You're maintaining legacy systems.
You need compatibility with older applications.
Stability is more critical than having the latest features.
2. CentOS 8
CentOS 8 ISO was introduced in 2019 and brought many new features compared to version 7. However, its support ended at the end of 2021. While still available for download, it is not recommended for production use unless you are testing or using it in an isolated environment.
Use CentOS 8 if:
You’re testing specific applications that only work on this version.
You're building containers or development environments with known compatibility.
3. CentOS Stream
CentOS Stream download has become the recommended approach for most users who want to stay in line with Red Hat development. It is a continuously delivered distribution that lies between Fedora and RHEL. It provides a rolling preview of what the next version of RHEL will include.
Use CentOS Stream if:
You want a modern and actively maintained CentOS version.
You are developing apps meant to run on RHEL.
You want to contribute to or align with upstream RHEL development.
Step 2: CentOS Linux ISO Download
Where to Download
Here are the official resources for CentOS Linux ISO download:
CentOS 7 Download:
https://vault.centos.org/7.9.2009/isos/
CentOS 8 ISO (archived):
https://vault.centos.org/8.5.2111/isos/
CentOS Stream Download (latest):
https://www.centos.org/centos-stream/
Choose the appropriate architecture for your system—usually x86_64 for most modern hardware.
Selecting the Right ISO
You’ll typically find several types of ISOs:
DVD ISO: Full installation image.
Minimal ISO: Lightweight ISO with just enough to install and configure a basic system.
Boot ISO: Smaller image used for network-based installations.
For most users, the DVD ISO is the best choice unless you prefer a minimal or network-based install.
Step 3: Create Bootable Media
Once you’ve completed the CentOS Linux ISO download, the next step is to create bootable installation media.
On Windows:
Use a tool like Rufus (https://rufus.ie).
Plug in a USB drive (at least 8GB).
Select the downloaded ISO file.
Click Start and wait for the process to complete.
On Linux/macOS:
Use the dd command:
bash
Copy
Edit
sudo dd if=/path/to/centos.iso of=/dev/sdX bs=4M status=progress
Replace /dev/sdX with your actual USB device path.
Step 4: Install CentOS
Now that your bootable media is ready, follow these steps:
1. Boot from USB
Insert the USB into the target machine.
Restart and enter the BIOS/UEFI settings (usually by pressing F2, DEL, or F12).
Choose the USB device as the boot option.
2. Start the Installation
Select Install CentOS Linux from the boot menu.
Choose your language and region.
3. Configure Installation Options
Disk Partitioning: You can allow automatic partitioning or manually configure LVM, standard partitions, or RAID.
Software Selection: Choose from Server, Minimal Install, or a Custom installation. For beginners, "Server with GUI" is recommended.
4. Set Root Password & Create User
Set a strong root password.
Create a new administrative user for daily tasks.
5. Begin Installation
Click Begin Installation and wait. It typically takes 10-20 minutes.
Step 5: Post-Installation Setup
Once installation is complete:
Remove the USB drive.
Reboot the system.
Log in with the credentials you set up.
Now, you can:
Run yum update or dnf update to ensure everything is up-to-date.
Install desired software packages.
Configure firewall and SELinux settings for security.
Conclusion
Whether you’re maintaining legacy infrastructure with CentOS 7, testing in a sandbox with CentOS 8 ISO, or working on forward-looking projects with CentOS Stream download, this guide provides everything you need for a smooth installation experience. Understanding which version of linux centos download aligns with your goals is critical, and thanks to the flexibility of the CentOS project, you can tailor your system accordingly.
In 2025, while CentOS Linux ISO download options remain available through archives and mirrors, CentOS Stream is now the go-to for those who want to stay current with Red Hat development and community innovation. By following the steps outlined above, you’ll have your CentOS system up and running in no time.
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Anonymous
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May 21, 2025
2:27 AM
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