How To Set Up a Firewall Using firewalld on CentOS
In this guide, we will show you how to set up a firewalld firewall for your CentOS server, and cover the basics of managing the firewall with the `firewall-cmd` administrative tool.
How To Set Up and Use Yum Repositories on a CentOS 6 VPS
This article reviews setting up and using YUM repositories on a CentOS 6 VPS.
Cómo configurar claves de SSH en CentOS 8
SSH, o shell seguro, es un protocolo cifrado que se usa para administrar servidores y comunicarse con ellos. Al trabajar con un servidor de CentOS, es probable que pase la mayor parte de su tiempo en una sesión de terminal conectada a su servidor a través de SSH. En esta…
Comment configurer la plate-forme Eclipse Theia Cloud IDE sur CentOS7
L’auteur a choisi le Free and Open Source Fund comme récipiendaire d’une donation dans le cadre du programme Write for Donations. Avec la migration des outils de développement vers le cloud,…
How To Troubleshoot Common Apache Errors
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…
How To Use Logstash and Kibana To Centralize Logs On CentOS 7
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….
How To Write Custom System Audit Rules on CentOS 7
The Linux Audit System creates an audit trail, a way to track all kinds of information on your system. It can record a lot of data like types of events, the date and time, user IDs, system calls, processes, files used, SELinux contexts, and sensitivity levels. It can track whether a file has been accessed, edited, or executed. It can even track if changes to file attributes.
Creating a Website and an Email Account on Ajenti V
In this tutorial, we will setup a basic website using Ajenti V from the Ajenti control panel and create an email account on your website’s domain.
How To Audit Network Traffic in a LAMP Server with sysdig on CentOS 7
sysdig is a Linux system exploration and troubleshooting tool. In this article we will first introduce basic sysdig usage, and then explore network analysis with sysdig, including an example of auditing network traffic on a CentOS 7 LAMP server.
How To Compile Node.js With NPM From Source On CentOS 6
This will walk you through compiling Node.js with NPM from source on CentOS 6.
