VPS安装PHP和CentOS的详细指南

随着互联网的快速发展，越来越多的人开始使用虚拟专用服务器（VPS）来托管自己的网站，安装PHP和CentOS是VPS上运行网站的基础，但对新手来说可能有点复杂，别担心，本文将详细 guide you through the process,从零开始教会你如何在VPS上安装PHP和CentOS。

准备工作

在开始安装之前，你需要确保你的VPS已经满足基本要求,以下是需要准备的条件：

1. 操作系统：VPS需要一个稳定的Linux操作系统，通常推荐使用Debian或Ubuntu，如果你的VPS已经安装了Debian,可以直接跳过这个步骤。
2. 存储空间：确保VPS有足够的存储空间，至少需要2GB以上的空间,具体取决于你安装的软件和网站内容。
3. SSL证书：如果你计划在网站上提供HTTPS服务，你需要购买并安装一个SSL证书，如Let's Encrypt。
4. 域名：你已经注册并拥有该网站的域名,并且已经配置好了域名解析。

如果你的VPS已经安装了Debian，那么安装PHP和CentOS会更加简单,我们将分步骤详细讲解安装过程。

安装PHP

PHP（Programming by Parts）是一种广泛使用的服务器端编程语言，常用于构建动态网站,安装PHP可以让你在VPS上运行复杂的网站功能。

登录VPS控制台

登录到你的VPS控制台,你可以通过SSH终端或Web控制面板来登录。

获取PHP源码

PHP的官方源码可以从官方网站下载，访问https://www.php.net/,然后下载适合你操作系统版本的PHP源码包。

解压PHP源码

解压下载的PHP源码包。

sudo apt-get install -y php7.4

这将安装PHP 7.4版本，适用于Debian/Ubuntu系统。

配置PHP

安装完成后，需要配置PHP以适应你的VPS环境，进入/etc/php/目录，找到php.ini文件并编辑它：

sudo nano /etc/php/php.ini

在[default]部分添加以下内容：

extension=php7.4.so
extension=php7.4.0.so
extension=php7.4.1.so
extension=php7.4.2.so
extension=php7.4.3.so
extension=php7.4.4.so
extension=php7.4.5.so
extension=php7.4.6.so
extension=php7.4.7.so
extension=php7.4.8.so
extension=php7.4.9.so
extension=php7.4.10.so
extension=php7.4.11.so
extension=php7.4.12.so
extension=php7.4.13.so
extension=php7.4.14.so
extension=php7.4.15.so
extension=php7.4.16.so
extension=php7.4.17.so
extension=php7.4.18.so
extension=php7.4.19.so
extension=php7.4.20.so
extension=php7.4.21.so
extension=php7.4.22.so
extension=php7.4.23.so
extension=php7.4.24.so
extension=php7.4.25.so
extension=php7.4.26.so
extension=php7.4.27.so
extension=php7.4.28.so
extension=php7.4.29.so
extension=php7.4.30.so
extension=php7.4.31.so
extension=php7.4.32.so
extension=php7.4.33.so
extension=php7.4.34.so
extension=php7.4.35.so
extension=php7.4.36.so
extension=php7.4.37.so
extension=php7.4.38.so
extension=php7.4.39.so
extension=php7.4.40.so
extension=php7.4.41.so
extension=php7.4.42.so
extension=php7.4.43.so
extension=php7.4.44.so
extension=php7.4.45.so
extension=php7.4.46.so
extension=php7.4.47.so
extension=php7.4.48.so
extension=php7.4.49.so
extension=php7.4.50.so
extension=php7.4.51.so
extension=php7.4.52.so
extension=php7.4.53.so
extension=php7.4.54.so
extension=php7.4.55.so
extension=php7.4.56.so
extension=php7.4.57.so
extension=php7.4.58.so
extension=php7.4.59.so
extension=php7.4.60.so
extension=php7.4.61.so
extension=php7.4.62.so
extension=php7.4.63.so
extension=php7.4.64.so
extension=php7.4.65.so
extension=php7.4.66.so
extension=php7.4.67.so
extension=php7.4.68.so
extension=php7.4.69.so
extension=php7.4.70.so
extension=php7.4.71.so
extension=php7.4.72.so
extension=php7.4.73.so
extension=php7.4.74.so
extension=php7.4.75.so
extension=php7.4.76.so
extension=php7.4.77.so
extension=php7.4.78.so
extension=php7.4.79.so
extension=php7.4.80.so
extension=php7.4.81.so
extension=php7.4.82.so
extension=php7.4.83.so
extension=php7.4.84.so
extension=php7.4.85.so
extension=php7.4.86.so
extension=php7.4.87.so
extension=php7.4.88.so
extension=php7.4.89.so
extension=php7.4.90.so
extension=php7.4.91.so
extension=php7.4.92.so
extension=php7.4.93.so
extension=php7.4.94.so
extension=php7.4.95.so
extension=php7.4.96.so
extension=php7.4.97.so
extension=php7.4.98.so
extension=php7.4.99.so

保存并退出编辑器。

启用PHP

在VPS的配置文件中启用PHP，编辑/etc/init.d/php文件并添加以下内容：

sudo nano /etc/init.d/php

[phppath]
path=/usr/bin/php7.4
[phppath_root]
path=/usr/local/bin/php7.4
[phppath soft]
hard=1024
path=/usr/bin/php7.4
[phppath_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root soft]
hard=1024
path=/usr/local/bin/php7.4
[phppath_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root_safe_root