Difference: 1. Suse has two versions, the commercial version is not open source, and the free version is open source; while centos is completely free and open source. 2. SUSE is for enterprises and individuals, while centos is for enterprises (servers). 3. CentOS has no management services and the response period for technical consultation is long. SUSE’s commercial version provides after-sales technical support and services.
#The operating environment of this tutorial: centos7 system, thinkpad t480 computer.
SUSE
SUSE refers to SUSE Linux, a Linux distribution issued and maintained by the German SuSE Linux AG company.
1. SUSE Linux, for individual users.
2. SUSE allows administrators to easily manage Linux servers.
3. SUSE's Yast is an RPM-based operating system installation and configuration tool, and it is also one of the main features of the SUSE Linux distribution.
CentOS
CentOS (Community Enterprise Operating System, Chinese meaning community enterprise operating system) is one of the Linux distributions.
1. CentOS is compiled from the source code released by Red Hat Enterprise Linux in accordance with open source regulations. Because it comes from the same source code, some servers that require high stability use CentOS instead of the commercial version of Red Hat Enterprise Linux. The difference between the two is that CentOS is completely open source
2. CentOS is an enterprise-level Linux distribution based on Red Hat Linux that can freely use source code.
3. CentOS can be understood as the Red Hat AS series. CentOS is completely improved and released on Red Hat AS. There is no difference between various operations and uses and RED HAT. CentOS is completely free and there is no RED HAT. AS4 needs a serial number.
Recommended: "centos usage tutorial"
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CentOS is an open source operating system based on RedHatEnterpriseLinux, suitable for server environments. 1. Select the appropriate media and options during installation and configure network, firewall and user permissions. 2. Use useradd, usermod and systemctl commands to manage users and services, and update software packages regularly. 3. Basic operations include using yum installation software and systemctl management services, and advanced features such as SELinux to enhance security. 4. Check the system log to solve common errors. Optimizing performance requires monitoring resources and cleaning of unnecessary files.

CentOS is the first choice for server and enterprise environments for its superior security, stability and performance. 1) Security provides forced access control through SELinux to improve system security. 2) Stability is supported by the LTS version for up to 10 years to ensure the stability of the system. 3) Performance significantly improves system response speed and resource utilization by optimizing kernel and system configuration.

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.


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