Using YUM to install software is much more convenient than compiling and installing. But if our server does not have a public IP in the internal network, we need to connect to the public network through a proxy server. This article describes how to configure a SOCKS5 proxy for YUM.

MongoDB is a non-relational database based on distributed file storage, which is written in C++. Designed to provide scalable high-performance data storage solutions for WEB applications. It is a product between relational database and non-relational database. It is the most versatile and closest to relational database among non-relational databases. This article details the installation and configuration of MongoDB4.2 on CentOS7.

Elasticsearch is a distributed full-text search engine based on Lucene, developed in Java language. This article describes in detail how to install Elasticsearch7.3 on CentOS7.

When using YUM on CentOS7 to install PHP by default, the installed version is 5.4. When we need to install other versions of PHP, we can refer to this article. This article takes the installation of PHP7 as an example. Readers can also install other versions according to their needs.