CentOS 8.x 系列，从基础入门到高级配置centos

CentOS（前CentOS，前CentOS Inc.）是一套基于Linux的操作系统，最初由美国国家�尔伯特实验室（NHLB）开发，现由Red Hat公司维护，CentOS 8.x 是Red Hat Enterprise Linux（RHEL）的第八个版本，也是目前广泛使用的Linux发行版之一，本文将从CentOS 8.x的基础入门到高级配置进行全面介绍，涵盖安装、配置、优化、安全设置等多个方面。

CentOS 8.x 安装与配置

1 安装 CentOS 8.x

安装 CentOS 8.x 可以通过源代码安装或使用预装ISO镜像，以下是通过源代码安装的步骤：

1.1 下载源代码

访问 CentOS 官方网站（https://www.centos.org/）下载源代码包，推荐使用镜像服务器以减少下载时间，CentOS镜像列表.

1.2 配置安装环境

在安装源代码之前,建议配置环境变量，以下是一些常用的环境变量配置：

• centos-release ：提供CentOS版本信息。
• enable-features ：启用特定功能，例如网络服务。
• ** 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