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One of the first safety measures that any sysadmin may want to implement in their production servers is a mechanism to detect file tampering - not only the content of files, but also their attributes. AIDE (short for "Advanced Intrusion Detection Environment") is an open source host-based intrusion detection system. AIDE checks the integrity of […]Continue reading... The post How to configure a host intrusion detection system on CentOS appeared first on Xmodulo. Related FAQs: How to set up MailScanner, Clam Antivirus and SpamAssassin in CentOS mail server How to set up a transparent HTTPS filtering proxy on CentOS How to secure a LAMP server on CentOS or RHEL How to harden Apache web server with mod_security and mod_evasive on CentOS How to set up Clam Antivirus, SpamAssassin and MailScanner on Ubuntu mail server

Installing and using Tundeep for network tunnelling and testing on Debian Tundeep is a network tunnelling daemon written in C that runs in userspace using libpcap. Tundeep is used as a security testing tool allowing a tester to tunnel through the target network at layer 2. A TAP interface will be brought up on the tester's machine for each level of the network allowing direct interaction with hosts on the network segment through a compromised client device.

Some people have been working on open source projects for so long, and collaborating as a process and method for getting work done, that it's just second nature and kind of odd for them to talk about what it's like.

We knew Microsoft makes most of its mobile operating system money from Android, not Windows Phone, but a billion dollars? From one vendor!!? Microsoft's good times, however, are in danger of coming to an end.

Open source games roundup Week of September 28 - October 4, 2014 Howdy, open source game fans! In this week's edition of our open source games news, we take a look at the storied history of Lord of the Rings games, Borderlands 2 on Linux, and more! read more

Controlling a remote computer is something you're all familiar with. Whether that means RDP to your corporate Windows Server (we don't judge), Apple Remote Desktop (which is really VNC) to your OS X machine or VNC/X11/etc. into your GUI Linux machine, it's always a pain in the rear.

Fedora is a big project, and it’s hard to keep up with it all. This series highlights interesting happenings in five different areas every week. It isn’t comprehensive news coverage […]

It is a testament to the success of the Open Source Initiative's (OSI) branding campaign for open source software that "open source" and "licensing" are functionally synonymous. To the extent that people are familiar with open source software, it is the source code released under a license that lets anyone see the "crown jewels" of a software program as opposed to an opaque binary, or black box that hides its underpinnings. read more

Nvidia announced that its Tegra SoC will run Android on a newly tipped Honda Connect IVI system in 2015 Honda Civic, Civic Tourer, and CR-V cars in Europe. When the Honda Connect in-vehicle infotainment system was unveiled this week at the 2014 Mondial de l’Automobile (Paris Auto Show), Nvidia quickly chimed in with a design […]

Sometimes a gift just falls in your lap. This month, it came in the form of an e-mail out of the blue from Jared Nielsen, one of two brothers (the other is J.R. Nielsen) who created The Hello World Program, "an educational web series making computer science fun and accessible to all".

Atmel is sampling a Linux supported, Cortex-A5 based SAMA5D4 SoC that bests the earlier SAMA5D3 with new NEON, L2 cache, 720p decode, and security features. Atmel announced the SAMA5D4 system-on-chip at ARM TechCon 2014, which is underway this week in Santa Clara, Calif. The SAMA5D4, builds upon the foundation of the earlier SAMA5D3 SoC, and similarly uses ARM’s Cortex-A5 processor.

Increased demand on web based applications and services are putting more and more weight on the shoulders of IT administrators. When faced with unexpected traffic spikes, organic traffic growth, or internal challenges such as hardware failures and urgent maintenance, your web application must remain available, no matter what. Even modern devops and continuous delivery practices […]Continue reading... The post How to configure HTTP load balancer with HAProxy on Linux appeared first on Xmodulo. Related FAQs: How to set up a transparent HTTPS filtering proxy on CentOS How to set up Squid as a transparent web proxy on CentOS or RHEL How to analyze Squid logs with SARG log analyzer on CentOS What are useful CLI tools for Linux system admins How to create a site-to-site IPsec VPN tunnel using Openswan in Linux

Embedded systems need better security In a discussion that will sound familiar to Australian readers, US military development agency DARPA wants to create provably-secure software.…

This month, we focus on putting Linux into tiny places, and that means everything from the tiniest "Android Wear" watch to the ubiquitous Raspberry Pi. As Linux users, we've been sneaking open source into server rooms for decades. Now we get to sneak it in everywhere!

ARM will today announce a new operating system called mbed OS: it seeks to smooth over all the differences between various competing system-on-chips so that high-level applications can talk to sensors and gizmos whether they're using silicon from Atmel, Marvell, ST, Freescale, NXP, and so on.…

This document describes how to install and configure OpenLDAP in Debian/Ubuntu Server. I will use OpenLDAP to configure a corporate organizational structure through OpenLDAP.

This article is part of my talk, Open-Source Business Models. You can see the full transcript and the video of my talk on Heavybit.com. My name is Marten Mickos and I'm the CEO of Eucalyptus Systems. As Tom mentioned, I was the CEO of MySQL for eight years. I was de facto the only CEO that the company ever had from 2001 to 2008 when it was sold to Sun, and then one year at Sun Microsystems. I'm here tonight to talk about open source business models which is a difficult, complex, complicated nuanced topic that doesn't really allow itself to be structured and summarized, but I'll do my best anyhow. read more

Do you regularly write technical reports or publications? If so, you should consider using the LaTeX typesetting system. This system allows you to create professional-quality documents, especially those with scientific and mathematical content. Perhaps you have heard of (or currently use) LaTeX, but are not fond of the detailed input syntax required to create documents. […]Continue reading...

The list of major corporations getting involved with open source communities is persistently growing, a trend evidenced by the rapidly expanding financial backing of open source foundations like the Linux Foundation. Samsung is one of these companies through its Open Source Group which was established in February of 2013. It's part of an effort to bridge the gap between the company and the open source communities it relies on and to promote the use and development of open source technology within many sectors of the company. read more

If you are using CentOS or RHEL, it is strongly recommended that you configure EPEL (Extra Packages for Enterprise Linux) repository on your system. EPEL is a community effort to create a repository of high-quality add-on free software packages for RHEL-based distributions. Once you set up EPEL repository, you can use yum command to install […]Continue reading... The post How to set up EPEL repository on CentOS appeared first on Xmodulo. No related FAQ.