Monthly Archives: December 2014

Setup OSSEC with mySQL and AnaLogi in CentOS 6

Setting up OSSEC with mySQL and AnaLogi  allows to perform log analysis, file integrity checking, policy monitoring and rootkit detection. OSSEC is an open source host-based intrusion detection system. Running on different systems (Windows, Linux, MAC, …), collected data can be stored in a mySQL database and some reports can be displayed using the web gui… Read More »

How To Install Java on CentOS and Fedora

How To Install Java on CentOS and Fedora Introduction This tutorial will show you how to install Java on CentOS 7 (also 5, 6, 6.5), Fedora 20, and RHEL. Java is a popular software platform that allows you to run Java applications and applets. The installation of the following versions of Java are covered: OpenJDK… Read More »

How To Set Up mod_security with Apache on Debian/Ubuntu

Prelude Mod security is a free Web Application Firewall (WAF) that works with Apache, Nginx and IIS. It supports a flexible rule engine to perform simple and complex operations and comes with a Core Rule Set (CRS) which has rules for SQL injection, cross site scripting, Trojans, bad user agents, session hijacking and a lot… Read More »

Nginx SSL Certificate Installation

Nginx Server SSL Certificate Installation Primary certificate and intermediate certificate. You should have received a your_domain_name.pem file from DigiCert in an email when your certificate was issued. This .pem file contains both your primary certificate and the intermediate certificate. If you have that .pem file you can skip to step 4. If you still need… Read More »

Introduction to Ganglia on Ubuntu 14.04

Introduction Ganglia is a scalable distributed monitoring system. It scales well with very large numbers of servers and is useful for viewing performance metrics in near real-time. On the back end, Ganglia is made up of the following components: Gmond (Ganglia monitoring daemon): a small service that collects information about a node. This is installed… Read More »

The Upstart Event System: What It Is And How To Use It

The Upstart Event System: What It Is And How To Use It Introduction Initialization is a crucial procedure that lies at the heart of any Unix-based operating system to control the operation of every script and service. This is essential in a server environment, where issues can occur at the critical points of startup and… Read More »

Understanding and Implementing FastCGI Proxying in Nginx

Introduction Nginx has become one of the most flexible and powerful web server solutions available. However, in terms of design, it is first and foremost a proxy server. This focus means that Nginx is very performant when working to handle requests with other servers. Nginx can proxy requests using http, FastCGI, uwsgi, SCGI, or memcached.… Read More »