How to Setup Monitoring using Dashing Icinga2 Dashboard

Hello, today we are going to install Dashing Icinga2 on Ubuntu. It creates dashboards with icinga2 data, giving you a frontend to monitoring information of your environment's systems. Made out of Ruby on top Dashing framework, which designed to deploy pretty and simple [...]

Carlos Alberto 3:00 am

How to Run Wayland and Weston on Arch Linux

Wayland ClientsWayland Clients

Hello, today we are going to talk about the new windowing protocol for the Linux operating system, its name is Wayland, it is maintained by the people at, which also helps on X development. The main motivation in creating [...]

Carlos Alberto 3:00 am

How to Install Security Onion 14.04

ELSA GPL attack eventELSA GPL attack event

Did you know Security Onion? It is a Linux distro specialized on network security monitoring and intrusion prevention, simplify the whole network management with a Ubuntu-based distro that you can start using with just few steps. It comes with many valuable security [...]

Carlos Alberto 3:00 am

How to Perform Network Sniffing with Tshark

Nmap standard scanNmap standard scan

This time let's talk about Tshark, a powerful command-line network analyzer that comes with the well known Wireshark. It works like Tcpdump, but with powerful decoders and filters, capable to capture information of different network layers or protocols, and display in [...]

Carlos Alberto 3:42 am

How to Manage Public Key Infrastructure with OpenSSL

Generating certificateGenerating certificate

OpenSSL is an open source cryptographic toolkit with focus on Secure Socket Layer/Transport Layer Security or SSL/TLS, widely deployed on GNU/Linux systems, it performs key part on our daily experience on the Internet. Today I will point some commands to help you [...]

Carlos Alberto 3:00 am

Introduction to IRC with XChat, Irssi and UnrealIRCD on CentOS 7.0

Connect to IRC networks on XChatConnect to IRC networks on XChat

Hi tuxman, this time we are going to talk about the Internet Relay Chat, or simply IRC. In the first part of this article we will review this protocol, how to use Irssi or XChat to connect on Freenode and [...]

Carlos Alberto 3:00 am

How to Install Redis Server on CentOS 7

Access Redis through unix with password and command changesAccess Redis through unix with password and command changes

Hi everyone, today Redis is the subject of our article, we are going to install it  on CentOS 7. Build sources files, install the binaries, create and install files. After installing its components, we will set its configuration as well [...]

Carlos Alberto 3:00 am

Hunting XOR DDoS and other Malware with RKHunter on CentOS 7

rkhunter checking networkrkhunter checking network

Hello penguins, on this article we are going to learn to hunt rootkits with Rootkit Hunter, among other threats, you will be able to use it to find signs of some variants of the XOR.DDoS malware, that is currently being [...]

Carlos Alberto 3:00 am

How to Configure nftables Successor of iptables

modinfo nf_tablesmodinfo nf_tables

Hello everyone! This time I will show how to install nftables on a Linux box to serve as firewall and internet gateway. How to build the Linux kernel with nftables enables, how to install nftables use-space and it's dependencies and [...]

Carlos Alberto 3:00 am

How to Develop and Control of Arduino Systems on Linux

Arduino web interfaceArduino web interface

Today we are going to learn how to install Arduino IDE on Linux, some of basic features to help you get started, build and upload you programs to the Arduino board, create a basic unix-like command interface based on Arduino's [...]

Carlos Alberto 3:00 am

Starting Computer Vision Development with OpenCV on Ubuntu

Building OpenCVBuilding OpenCV

Here I will cover how you can install OpenCV on your Ubuntu system, ways that you can build C++ programs based on this Open Source Computer Vision Library, read from files or camera, do basic image processing operations, draw or [...]

Carlos Alberto 3:00 am

How to Install and Configure uTorrent on 7 Linux Distros

Global bandwidth settingsGlobal bandwidth settings

Hi guys, today I am going to show you how to install and configure uTorrent server on some of the Linux distros like Ubuntu, Debian, Fedora, CentOS, Slackware, openSUSE and Arch Linux. We are going to learn the basic settings of this BitTorrent client, how [...]

Carlos Alberto 3:00 am

How to Configure Apache Containers with Docker on Fedora 22

Docker Hub signup pageDocker Hub signup page

In this article we are going to learn about Docker, how to use it to deploy Apache httpd and how can you share it on Docker Hub. First we are going to learn how to pull and use images hosted [...]

Carlos Alberto 3:00 am

A Startup Guide to Setup Icinga2 on Ubuntu 15.04

Check for the salesdb serviceCheck for the salesdb service

Hi everybody! today I am going to show you how to install Icinga2 and Icinga-web on Ubuntu 15.05 Vivid, after that we are going learn how to manage its configuration, hosts, services and notifications. Table of Contents Introduction About Icinga2 [...]

Carlos Alberto 3:00 am