Fedora

How To Set Up a Local OSSEC Installation on Fedora 21 — step-by-step Linux tutorial on Progressive Robot

How To Set Up a Local OSSEC Installation on Fedora 21

OSSEC is an open-source, host-based intrusion detection system (HIDS) that performs log analysis, integrity checking, Windows registry monitoring, rootkit detection, time-based alerting, and active response. It’s the application to install on your server if you want to keep an eye on what’s happening inside it. In this tutorial you’ll learn how to install OSSEC to monitor the Fedora 21 server it is installed on: a local OSSEC installation.

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How To Deploy Node.js Applications Using Systemd and Nginx — step-by-step Linux tutorial on Progressive Robot

How To Deploy Node.js Applications Using Systemd and Nginx

When deploying a web application to a Droplet, it might be tempting to simply use the same kind of setup as is used in development, i.e. starting the server by running “ruby app.rb” or “node server.js” in a terminal. This is simple and easy, while providing visible logs.This is dangerous: what happens if the server crashes and no one is around to restart it? This tutorial uses a simple Node.js application, but is applicable to most, if not all, others as well (be they Ruby, Python, etc.)

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Top 10 Linux Easter Eggs — step-by-step Linux tutorial on Progressive Robot

Top 10 Linux Easter Eggs

Linux can be hard work. This article was made to show the other side of Linux, where things don’t have to be so serious all of the time. Many of the people who contribute to open source projects have a great sense of humor.

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Initial Setup of a Fedora 22 Server — step-by-step Linux tutorial on Progressive Robot

Initial Setup of a Fedora 22 Server

When you first log into a fresh Fedora 22 server, it’s not ready for use as a production system. There are a number of recommended steps to take in order to customize and secure it, e.g. enabling a firewall. This tutorial will show you how to give a fresh installation of a Fedora 22 server a better security profile and be ready for use.

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Initial Setup of a Fedora 21 Server — step-by-step Linux tutorial on Progressive Robot

Initial Setup of a Fedora 21 Server

When you first log into a fresh Fedora 21 or RHEL server, it’s not ready for use as a production system. There are a number of recommended steps to take in order to customize and secure it, e.g. enabling a firewall. This tutorial will show you how to give a fresh installation of a Fedora 21 server a better security profile and be ready for use.

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How To Protect your Server Against the POODLE SSLv3 Vulnerability — step-by-step Linux tutorial on Progressive Robot

How To Protect your Server Against the POODLE SSLv3 Vulnerability

The POODLE SSLv3 vulnerability is a security issue that affects all implementations of SSLv3. This vulnerability allows an attacker to decrypt messages sent using this protocol version by exploiting a weakness the way the padding of a message are checked. In this guide, we’ll explain how the vulnerability work, and tell you how to disable SSLv3 on some common services.

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