CentOS 8通过DNF命令安装最新版的LNMP(Linux+Nginx+MariaDB+PHP)

今天给大家讲解下如何安装LNMP ，首先呢我们要知道上面是DNF命令是什么.

1. DNF是什么？
2. YUM是什么？
3. DNF和YUM的区别,为什么用DNF代替YUM?
4. 安装Nginx
5. 安装PHP7.4
6. 安装MariaDB

DNF是什么？

DNF仅仅是基于RPM的Linux发行版(如CentOS、RHEL、Fedora等)的下一代包管理器(在YUM之后)。在本文中，我将向您展示如何使用DNF包管理器来管理CentOS 8包。接下来跟着我学习一步一步的学习吧。

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DNF命令的一般语法

1	dnf [Option] [Command] [Package_Name]

DNF配置文件的位置

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Main Configuration: /etc/dnf/dnf.conf Repository: /etc/yum.repos.d/ Cache Files: /var/cache/dnf

常用的DNF命令如下

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+---------------------+-------------------------------------------------------------------------------------------+ |      Command        |                                         Description                                       | +---------------------+-------------------------------------------------------------------------------------------+ |repolist             | Display the configured software repositories                                              | |install              | Install a single or multiple packages on your system                                      | |upgrade              | Upgrade a package or packages on your system                                              | |upgrade-minimal      | Upgrade, but only 'newest' package match which fixes a problem that affects your system   | |list                 | List a package or groups of packages                                                      | |info                 | Display details about a package or group of packages                                      | |updateinfo           | Display advisories about packages                                                         | |search               | Search package details for the given string                                               | |check-update         | Check for available package upgrades                                                      | |remove               | Remove a package or packages from your system                                             | |reinstall            | Reinstall a package                                                                       | |downgrade            | Downgrade a package                                                                       | |autoremove           | Remove all unneeded packages that were originally installed as dependencies               | |distro-sync          | Synchronize installed packages to the latest available versions                           | |makecache            | Generate the metadata cache                                                               | |repository-packages  | Run commands on top of all packages in given repository                                   | |provides             | Find what package provides the given value                       &