The author selected Code.org to receive a donation as part of the Write for DOnations program. Let’s Encrypt is a certificate authority (CA) that provides free…
DenyHosts is a security tool written in python that monitors server access logs to prevent brute force attacks on a virtual private server. The program works by banning IP addresses that exceed a certain number of failed login attempts. This tutorial explains how to install denyhosts, how to whitelist your IP address, and where to find the denyhosts configuration file. It is written for CentOs.
This tutorials covers a basic drupal installation on a centos server. Drupal is a free and open source content management that uses a PHP and a backend database, such as MySQL. It was created in 2001 and is currently the 3rd most popular content management site online. It now has over 17,000 addons to customize its functionality.
In this guide, we’ll get a LAMP stack installed on an CentOS 7 VPS. A “LAMP” stack is a group of open source software that is typically installed together to enable a server to host dynamic websites and web apps. This term is actually an acronym which represents the **L**inux operating system, with the **A**pache web server. The site data is stored in a **M**ySQL database (using MariaDB), and dynamic content is processed by **P**HP.
This tutorial explains how to create a self-signed SSL certificate, how to add it to your server, and how to configure the SSL file to display the certificate to the world. A SSL certificate is a way to encrypt a site’s information and create a more secure connection. Certificate Authorities can issue SSL certificates that verify the server’s details while a self-signed certificate has no 3rd party corroboration. This tutorial is written for Apache on a Centos server.
O autor selecionou o Girls Who Code para receber uma doação como parte do programa Write for DOnations. O Docker pode ser uma maneira eficiente de executar…
There are three main commands, and a set of common log locations that you can use to get started troubleshooting Apache errors. Generally when you are troubleshooting Apache, you will use these commands in the order indicated here, and then examine log files for specific…
In this tutorial, we will go over the installation of Logstash 1.4.2 and Kibana 3, and how to configure them to gather and visualize the syslogs of our systems in a centralized location. Logstash is an open source tool for collecting, parsing, and storing logs for future use….
MariaDB is an open-source database management system, commonly installed as part of the popular LEMP stack.
A monitoring system receives system metrics. As soon as the value of one of the metrics goes outside the predetermined thresholds, it activates the corresponding trigger, and the monitoring system informs you that one of the metrics is outside normal limits.
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