My main use case for CentOS is mostly development, as I use it when I have to create large builds over AWS EC2 instances. That is the main reason I use CentOS.

A specific example of a project where CentOS was especially helpful for my development work is when I had an application with a backend build that took a long while to build on my local machines. I used an EC2 instance to do that because it has more compute power than my local machine, so I used it with CentOS to build my application.

Other than that, hosting front-end applications back when I started working in the field was also a use case for CentOS, as I would use an EC2 machine with CentOS to host my front-end application alongside the backend applications and containers.

When using CentOS on EC2 for builds, I noticed it is around three to five times faster, especially considering my local machine is not that great with CPU resources, so it is quite faster than my local machine.

The best features CentOS offers that stand out to me include it being lightweight and the UI and the whole ecosystem, which I prefer. There is not something very specific about it that I like, but the generic UI and the whole setup, and it was the start of my career when I started using it, so I kind of stuck with it.

I like CentOS interface or setup process because the instructions were quite clear; I was able to set up a whole new ecosystem without a tutorial or instruction set. The UI is clean, simpler, and I know where everything is.

The Windows-like UI is quite helpful.

CentOS has positively impacted my organization regarding cost savings; having a dedicated high-resource machine is quite expensive these days, and since the compute power is so cheap on AWS, hosting a machine with UI over the EC2 is quite easier for beginners like me.

Sometimes it is quite difficult to find drivers when I have CentOS locally on my machine. For example, I have an old Lenovo laptop where I experience driver issues sometimes.

I have been working in my current field for around six years.

For my use cases, CentOS is quite stable, and I have not found any problems with it.

I have not had to scale up in the traditional sense, but I remember increasing the storage and RAM inside AWS, and CentOS handled it without any problems.

I never had to reach out to customer support for CentOS, so I cannot comment on that experience.

Before CentOS, I primarily used Windows, but I switched because the licensing fees for Windows were quite high, while CentOS was not that expensive; the exact numbers escape me, but it was cheaper than maintaining a Windows machine.

Migrating applications or workloads to CentOS was quite smooth; I just pulled in my code for the build scenario, and since the code was inside a container, that made it an easy process.

I purchased CentOS through the AWS Marketplace.

In terms of documentation and community support for CentOS, I find it quite easy; these days, OpenAI's ChatGPT is really helpful for information, and generally, it is quite good.

I am not entirely sure about the license I purchased for my local machine, but I assume it is the community version, while for the AWS one, I do not entirely remember the pricing.

I evaluated other options before choosing CentOS, including Mint and Ubuntu; I also considered Red Hat, though I do not exactly remember the name, but there are some expensive versions as well, which contributed to my decision.

CentOS is deployed in my organization in both on-premises and private cloud environments.

The cloud provider we primarily use for our private cloud deployment is AWS, and we also have a private server that is essentially a blade server where we have deployed it.

I have not dived into the security features of CentOS that much, so I am not sure I am a good person to answer that question.

I have pushed CentOS to the limit by testing an application where I had to accommodate multiple users; I increased the port number to allow 10,000 users to connect to that application hosted on a CentOS server.

CentOS handled that situation reliably; while there were some difficulties changing some settings inside the application, once I managed to tweak the settings, it worked very well, allowing around 10,000 users to connect and chat simultaneously.

The only compatibility issue I have faced with CentOS is with the biometric drivers, such as the fingerprint drivers, which were quite complicated, but generally, whatever I am trying to run works quite well.

My advice for others looking into using CentOS is that it is quite sane; there is not any bloatware on it, and everything just seems to work. I would rate my overall experience with CentOS an 8.

CentOS is basically the community edition of Red Hat, and to get the flavor of Red Hat, users can visit centos.org to download the CentOS distribution and install it in their virtual machine, VirtualBox, or any Hyper-V platform. It gives users the Linux operating system based upon the Fedora flavor, providing an overview of how the enterprise version of RHEL looks similar to CentOS, though the features are very different.

I have been using it for many years now for my own testing and working with the operating system and Linux features. It's mainly for testing and checking Linux features. For application development and server management features, we have been using CentOS for many years. It offers a wide variety of testing cases and checking Linux features as server management. Linux distribution such as CentOS has many features related to server management, checking storage and networking facilities, and integrating with use cases. One of the key specific projects I worked on was testing server administration-related work such as file protocol testing using SMB and NFS, and checking features for networking and other use cases.

CentOS is an open-source platform that is free to use, which is one of its unique features. It's an operating system that offers a foundational view of Linux systems and has been a go-to operating system for a long time. Even though I've used other versions such as RHEL, SLES, and others including Rocky Linux, AlmaLinux, and Oracle Linux, CentOS remains a top priority for my daily use cases.

The package management, security, and stability are the main aspects that stand out. Linux's built-in framework provides different layers of security on the file, permissions, and system levels. CentOS offers flexibility in package management features and excellent stability. The installation process is straightforward, even for someone with a basic foundation in Linux, making it user-friendly.

CentOS offers a secure environment with security mechanisms such as SE Linux and firewall protections. You can have a secure setup by having the necessary permissions for users and maintaining system-level access. Users who are not root have minimal command execution abilities, whereas root and sudo users have extended privileges.

Organizations using CentOS save on subscription costs and can run their applications effectively without upgrading to other versions such as RHEL. CentOS helps organizations and startups in cost optimization and application development.

The documentation and support could be improved, along with compatibility with newer hardware as hardware continually evolves over time. Additionally, if CentOS could receive better marketing and promotion, it might gain more traction among vendors, software developers, educational institutions, and colleges.

There is always room for improvement in any product, irrespective of challenges or how good the product is. In the current scenario with cutting-edge technology, improving the product to benefit a larger community would be a positive step.

I have been using CentOS for more than eight years.

Complex setups are not necessary. CentOS's simplicity and stability make it easy to use. It's scalable and user-friendly.

CentOS is scalable and user-friendly without requiring complex configurations.

The documentation and community support are great. I've seen many people across the globe interacting, and when users encounter issues, the community provides solutions. I faced an issue long ago, and it was resolved through the open-source community forum.

I have only used RHEL besides CentOS. RHEL is the enterprise-level flavor of CentOS itself. It's almost identical to CentOS.

The installation of CentOS is simple, offering both minimal and GUI installation options. A typical layman with a basic Linux foundation can easily navigate through the installation process.

The enterprise subscription cost is at a certain level, but CentOS saves customers from paying additional money, optimizing costs for enterprises and startups involved in application development.

Many are unaware of this operating system due to its open-source nature, but adequate marketing could allow many vendors, software people, institutions, and colleges to leverage CentOS. CentOS is a straightforward, non-complex operating system that offers great use cases.

Documentation and community support are crucial, and CentOS has active community engagement to assist users facing issues.

There is always room for improvement irrespective of how good the product is. Embracing new technology is essential.

I rate CentOS a nine out of ten.

Our clients are pharmaceutical companies, and they're hesitant to change anything that's working. They want us to continue with what's proven. So we stayed on CentOS 7 for a long time. If we changed, we'd have to provide extensive validation that the new operating system is perfect and has no vulnerabilities.

However, CentOS 7 reached its end of life a few months ago, forcing us to migrate to CentOS 9. This was a big effort because we have a lot of in-house servers. For the production servers on AWS, we didn't face any issues migrating from CentOS 7.

The in-depth documentation available for CentOS is great. If I need to install a feature or fix a server issue, I can easily find answers online. The CentOS community is also vast and helpful. Overall, I think it's a very good Linux distribution.

We work on the terminal. If you work on the server, the command-line interface makes perfect sense because we need to do automation, and that requires entering commands. The command-line utility works perfectly. I have no issues with it.

For security, we have an AWS load balancer in front of our servers. We don't give public access to our CentOS servers directly. That's why I haven't focused much on CentOS's security features, as AWS is ultimately responsible for the security.

One issue I recently faced, but I think it was due to my IT support guys, was that when the server storage gets full, the service crashes. It's very difficult to regain access and stability in that situation. That could be improved.

So, the stability might be improved. But I don't think it's a CentOS-level issue. The system administrators need to come up with a solution for that, but I don't think it's CentOS's fault. I haven't done any research [R&D] on this issue.

There's one thing for sure. We recently migrated from CentOS 7 to CentOS 9, and it was a bit difficult. For example, updating Windows is simple; you just download it, and it takes about 15-20 minutes. But that's not the case with migrating from CentOS 7 to 9.

We had to back up the entire server, launch a new server, and then restore the backup to the new server. We couldn't directly migrate. I think that was a bit of a problem. The setup and updates are not that new in CentOS.

Everyone in my company has used CentOS from the very beginning. So, we've been using it for the past five to six years. We used CentOS 7 for four or five years.

It's very stable. We've hosted other solutions for about three to five years, and I've never seen an issue at the OS level. But upgrades are a different story.

It is a pretty scalable product. Currently, our production schools are hosted on CentOS. So, that is about ten lakhs (one million) users could be using it. I'm not entirely sure about the exact number, but since the application is hosted on the CentOS operating system, that's the approximate user base.

A ton of articles are available on the internet about CentOS, so I haven't really felt the need for active support. But overall, you can say that the internet is still a great source of information on how to work with CentOS.

The setup is pretty straightforward. We've installed other facilities that are just as good. There's nothing particularly different in the process.

The integration is as good as any other Linux platform. If another Linux platform can integrate with something, then CentOS can also integrate with it.

I think we don't pay for it. It's a Linux distribution, so it's open source. But I'm not sure if they might be charging for support or not because I haven't contacted their support.

For CentOS, I would rate it as nine out of ten.

CentOS is pretty old now, so I wouldn't recommend anyone use it. Everyone should follow the Docker container model at the moment. They should build their Alpine images of Dockers and host them.

If they want to host them in the cloud, then AWS ECS (Elastic Container Service) works fine. If they want to host their services on-premises, they can use Kubernetes to host them.