CentOS

Status: Deprecated> Status: Deprecated # This article covers a version of CentOS that is no longer supported. If you are currently operating a server running CentOS 6, we highly recommend upgrading or migrating to a supported version of CentOS.

###Introduction Python is a versatile programming language that can be used for many different programming projects. First published in 1991 with a name inspired by the British comedy group Monty Python, the development team wanted to make Python a language that was fun to use.

Introduction> Introduction # The Apache HTTP server is the most widely-used web server in the world. It provides many powerful features including dynamically loadable modules, robust media support, and extensive integration with other popular software.

Status: Deprecated> Status: Deprecated # This article covers a version of CentOS that is no longer supported. If you are currently operating a server running CentOS 6, we highly recommend upgrading or migrating to a supported version of CentOS.

The author selected the COVID-19 Relief Fund to receive a donation as part of the Write for DOnations program. Introduction> Introduction # Elasticsearch is a platform for the distributed search and analysis of data in real time.

Introduction> Introduction # MySQL is an open-source database management system, commonly installed as part of the popular LEMP (Linux, Nginx, MySQL/MariaDB, PHP/Python/Perl) stack. It uses a relational database and SQL (Structured Query Language) to manage its data.

Introduction> Introduction # Databases grow over time, sometimes outgrowing the space on the file system. You can also run into I/O contention when they’re located on the same partition as the rest of the operating system.

Introduction> Introduction # Merging code. Coordinating releases. Determining build status. Maintaining updates. If you know the frustration of these processes well enough that the words themselves threaten a headache, you might want to look into Jenkins CI.

The author selected the Free and Open Source Fund to receive a donation as part of the Write for DOnations program. Introduction> Introduction # In this two-part tutorial, you will learn how to configure a Linux service to restart automatically after a reboot or crash using systemd.

Introduction> Introduction # After setting up the bare minimum configuration for a new server, there are some additional steps that are highly recommended in most cases. In this guide, we’ll continue the configuration of our servers by tackling some recommended, but optional procedures.

Status: Deprecated> Status: Deprecated # This article covers a version of CentOS that is no longer supported. If you are currently operating a server running CentOS 6, we highly recommend upgrading or migrating to a supported version of CentOS.

Status: Deprecated> Status: Deprecated # This article covers a version of CentOS that is no longer supported. If you are currently operating a server running CentOS 6, we highly recommend upgrading or migrating to a supported version of CentOS.

Introduction> Introduction # A reverse proxy is a type of proxy server that takes HTTP(S) requests and transparently distributes them to one or more backend servers. Reverse proxies are useful because many modern web applications process incoming HTTP requests using backend application servers which aren’t meant to be accessed by users directly and often only support rudimentary HTTP features.

Introduction> Introduction # Let’s Encrypt is a Certificate Authority (CA) that provides free certificates for Transport Layer Security (TLS) encryption, thereby enabling encrypted HTTPS on web servers. It simplifies the process of creation, validation, signing, installation, and renewal of certificates by providing a software client that automates most of the steps—Certbot.

[*]Introduction[*] Privilege separation is one of the fundamental security paradigms implemented in Linux and Unix-like operating systems. Regular users operate with limited privileges in order to reduce the scope of their influence to their own environment, and not the wider operating system.

Introduction> Introduction # This tutorial is an ELK Stack (Elasticsearch, Logstash, Kibana) troubleshooting guide. It assumes that you followed the How To Install Elasticsearch, Logstash, and Kibana (ELK Stack) on Ubuntu 14.

Status: Deprecated> Status: Deprecated # This article covers a version of CentOS that is no longer supported. If you are currently operating a server running CentOS 6, we highly recommend upgrading or migrating to a supported version of CentOS.

Introduction> Introduction # Forgetting passwords happens to the best of us. If you forget or lose the root password to your MySQL or MariaDB database, you can still gain access and reset the password if you have access to the server and a sudo-enabled user account.

Introduction> Introduction # Let’s Encrypt is a new Certificate Authority (CA) that provides a way to obtain and install free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. It streamlines the process by providing a software client, Certbot, that attempts to automate most (if not all) of the required steps.

Introduction> Introduction # Warning: FTP is insecure! Consider using SFTP instead of FTP. FTP, or file transfer protocol, is a way to transfer files between local and remote servers. Although very popular and ubiquitous, the use of this method of file transfer has fallen out of favor due to the lack of security inherent in its design.