The reason why CentOS is discontinued maintenance is: Red Hat prioritizes RHELCentOS support The rise of unprofitable cloud services reduces CentOS demands in inadequate community participation unresolved security vulnerabilities in RHEL
Reasons for CentOS to stop maintenance
introduction:
The CentOS project announced the suspension of maintenance in December 2021, which attracted widespread attention. This article will explore the main reasons for this decision.
reason:
1. Red Hat Enterprise Linux (RHEL) priority:
- CentOS is a community-supported distribution of RHEL. Red Hat decided to focus on RHEL, and CentOS is no longer a priority.
2. Profit model:
- CentOS is a free distribution that Red Hat can’t monetize. Red Hat believes that maintaining CentOS is too expensive, but the benefits are very low.
3. The rise of cloud computing:
- The rise of cloud service providers such as AWS and Azure reduces the need for CentOS because they provide users with ready-made virtual machines and containers.
4. Inadequate community participation:
- CentOS is maintained by a small team of volunteers. Over time, community engagement has decreased, making maintenance difficult.
5. Security issues:
- CentOS relies on RHEL's code base, which has some unresolved security vulnerabilities. Red Hat decided to focus resources on fixing vulnerabilities in RHEL, not CentOS.
in conclusion:
Red Hat's decision to stop maintaining CentOS was based on a number of factors, including Red Hat's business strategy, the rise of cloud computing, and insufficient community engagement. While this is disappointing, users should understand the reasons behind this decision and explore alternative distributions such as Rocky Linux and AlmaLinux.
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CentOS alternatives should have the characteristics of stability, compatibility, community support and package management. 1.AlmaLinux provides 10 years of support, 2. RockyLinux is initiated by the founder of CentOS to ensure compatibility with CentOS. Migration cost and performance optimization should be considered when choosing.

CentOS is an open source distribution based on RedHatEnterpriseLinux, focusing on stability and long-term support, suitable for a variety of server environments. 1. The design philosophy of CentOS is stable and suitable for web, database and application servers. 2. Use YUM as the package manager to release security updates regularly. 3. Simple installation, you can build a web server with a few commands. 4. Advanced features include enhanced security using SELinux. 5. Frequently asked questions such as network configuration and software dependencies can be debugged through nmcli and yumdeplist commands. 6. Performance optimization suggestions include tuning kernel parameters and using a lightweight web server.

CentOS is widely used in server management and web hosting. Specific methods include: 1) using yum and systemctl to manage the server, 2) install and configure Nginx for web hosting, 3) use top and mpstat to optimize performance, 4) correctly configure the firewall and manage disk space to avoid common problems.

CentOS is a stable, enterprise-grade Linux distribution suitable for server and enterprise environments. 1) It is based on RedHatEnterpriseLinux and provides a free, open source and compatible operating system. 2) CentOS uses the Yum package management system to simplify software installation and updates. 3) Support advanced automation management, such as using Ansible. 4) Common errors include package dependency and service startup issues, which can be solved through log files. 5) Performance optimization suggestions include the use of lightweight software, regular cleaning of the system and optimization of kernel parameters.

Alternatives to CentOS include RockyLinux, AlmaLinux, OracleLinux, and SLES. 1) RockyLinux and AlmaLinux provide RHEL-compatible binary packages and long-term support. 2) OracleLinux provides enterprise-level support and Ksplice technology. 3) SLES provides long-term support and stability, but commercial licensing may increase costs.

Alternatives to CentOS include UbuntuServer, Debian, Fedora, RockyLinux, and AlmaLinux. 1) UbuntuServer is suitable for basic operations, such as updating software packages and configuring the network. 2) Debian is suitable for advanced usage, such as using LXC to manage containers. 3) RockyLinux can optimize performance by adjusting kernel parameters.

The CentOS shutdown command is shutdown, and the syntax is shutdown [Options] Time [Information]. Options include: -h Stop the system immediately; -P Turn off the power after shutdown; -r restart; -t Waiting time. Times can be specified as immediate (now), minutes ( minutes), or a specific time (hh:mm). Added information can be displayed in system messages.

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)


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