The key differences between CentOS and Ubuntu are: origin (CentOS originates from Red Hat, for enterprises; Ubuntu originates from Debian, for individuals), package management (CentOS uses yum, focusing on stability; Ubuntu uses apt, for high update frequency), support cycle (CentOS provides 10 years of support, Ubuntu provides 5 years of LTS support), community support (CentOS focuses on stability, Ubuntu provides a wide range of tutorials and documents), uses (CentOS is biased towards servers, Ubuntu is suitable for servers and desktops), other differences include installation simplicity (CentOS is thin)
The difference between CentOS and Ubuntu
Both CentOS and Ubuntu are popular Linux distributions, but there are some key differences in their purpose and target users.
Origin and Target
- CentOS is a free and open source version of Red Hat Enterprise Linux (RHEL). It is mainly aimed at enterprise users and provides a stable and secure platform.
- Ubuntu is based on Debian and is designed to target individual users and desktop environments. It is known for its ease of use, a wide range of software packages and an active community.
Package Management
- CentOS uses the yum package manager, which is the same as used in RHEL. It provides a stable software ecosystem with a focus on security and long-term support.
- Ubuntu uses the apt package manager, which provides a huge repository of packages. It is updated quickly and is suitable for rapid development and deployment environments.
Support cycle
- CentOS provides long-term support cycles, usually 10 years. This makes it an ideal choice for a corporate environment that requires long-term stability and security.
- Ubuntu provides 5 years of support for its Long-Term Support (LTS) version. This is better suited for environments that require regular updates and newer features.
Community Support
- CentOS has an active enterprise community that focuses primarily on providing a stable and secure software platform.
- Ubuntu has a large and active community of personal and business users. It is known for its support for the latest technology and extensive tutorials and documentation.
Other differences
- CentOS is primarily for server environments, while Ubuntu is suitable for server and desktop environments.
- CentOS provides a more streamlined installation, while Ubuntu offers a wider range of out-of-the-box features.
- CentOS follows all RHEL security practices, and Ubuntu takes a more aggressive approach to security.
Which one should I choose?
The final choice of CentOS or Ubuntu depends on your specific needs.
- If you need a stable, secure platform for enterprise environments, CentOS is a great choice.
- If you need an easy-to-use platform with extensive software support, Ubuntu is a great choice.
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CentOS is suitable for building powerful and reliable servers. Its advantages include: 1. Stability and reliability, support cycle up to 10 years; 2. Security, built-in SELinux and regular security patches; 3. Compatibility and ecosystem, highly compatible with RHEL, with a rich software warehouse; 4. Performance optimization, suitable for various hardware platforms and providing kernel tuning.

CentOS will continue to evolve in the future, and users should choose alternative distributions. 1) Evaluate the requirements, choose such as RockyLinux or AlmaLinux, and focus on stability and support. 2) Develop a migration plan, use tools such as CentOS2Rocky, and pay attention to testing and verification. 3) Plan early, maintain contact with the open source community, and ensure a smooth transition.

CentOS is widely selected as a server operating system because it is stable, secure and free. 1.CentOS is based on RHEL, providing enterprise-level stability and a life cycle of up to 10 years. 2. It has rich software packages and strong community support. 3. Simple installation, use yum management software package, and intuitive configuration. 4. Improve server management efficiency through command line tools, regular backups and log management. 5. Optimize server performance by adjusting kernel and network parameters.

CentOS will continue to develop through CentOSStream in the future. CentOSStream is no longer a direct clone of RHEL, but is part of RHEL development. Users can experience the new RHEL functions in advance and participate in development.

The transition from development to production in CentOS can be achieved through the following steps: 1. Ensure the consistent development and production environment, use the YUM package management system; 2. Use Git for version control; 3. Use Ansible and other tools to automatically deploy; 4. Use Docker for environmental isolation. Through these methods, CentOS provides powerful support from development to production, ensuring the stable operation of applications in different environments.

CentOSStream is a cutting-edge version of RHEL, providing an open platform for users to experience the new RHEL functions in advance. 1.CentOSStream is the upstream development and testing environment of RHEL, connecting RHEL and Fedora. 2. Through rolling releases, users can continuously receive updates, but they need to pay attention to stability. 3. The basic usage is similar to traditional CentOS and needs to be updated frequently; advanced usage can be used to develop new functions. 4. Frequently asked questions include package compatibility and configuration file changes, and requires debugging using dnf and diff. 5. Performance optimization suggestions include regular cleaning of the system, optimizing update policies and monitoring system performance.

The reason for the end of CentOS is RedHat's business strategy adjustment, community-business balance and market competition. Specifically manifested as: 1. RedHat accelerates the RHEL development cycle through CentOSStream and attracts more users to participate in the RHEL ecosystem. 2. RedHat needs to find a balance between supporting open source communities and promoting commercial products, and CentOSStream can better convert community contributions into RHEL improvements. 3. Faced with fierce competition in the Linux market, RedHat needs new strategies to maintain its leading position in the enterprise-level market.

RedHat shut down CentOS8.x and launches CentOSStream because it hopes to provide a platform closer to the RHEL development cycle through the latter. 1. CentOSStream, as the upstream development platform of RHEL, adopts a rolling release mode. 2. This transformation aims to enable the community to get exposure to new RHEL features earlier and provide feedback to accelerate the RHEL development cycle. 3. Users need to adapt to changing systems and reevaluate system requirements and migration strategies.


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