Author Archive: Carlos Alberto

Carlos is a technology professional and enthusiast. In his spare time he likes skateboarding and play guitar.

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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 dashboards out of complex and ugly data, it makes the task of monitoring much better. […]

December 14, 2016 | By in LINUX HOWTO
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How to Run Wayland and Weston on Arch Linux

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 freedesktop.org, which also helps on X development. The main motivation in creating a new windowing protocol is that X became complex, legacy technology and concepts turned it […]

June 2, 2016 | By
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How to Install Security Onion 14.04

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 software to monitor your network in realtime or perform analysis on pcap files and/or system logs. Today […]

April 1, 2016 | By
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How to Perform Network Sniffing with Tshark

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 different format and layouts. Used to analyze network traffic in real-time or read pcap/pcapng files […]

February 29, 2016 | By
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How to Manage Public Key Infrastructure with OpenSSL

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 manage X.509 Public Key Infrastructure (PKI) and  also use this toolkit to and encrypt/decrypt files and other […]

January 7, 2016 | By
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Introduction to IRC with XChat, Irssi and UnrealIRCD on CentOS 7.0

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 other IRC networks,enter on channels and talk to people. After that, you will see how […]

December 15, 2015 | By
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How to Install Redis Server on CentOS 7

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 as some operating system parameters to make it more reliable and faster. Redis is an […]

October 28, 2015 | By
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Hunting XOR DDoS and other Malware with RKHunter on CentOS 7

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 used to create botnets with Linux systems for massive distributed denial of service attacks. Table […]

October 14, 2015 | By
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How to Configure nftables Successor of iptables

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 how to the nft utility to perform network filtering and IP address translation. The nftables […]

September 22, 2015 | By
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How to Develop and Control of Arduino Systems on Linux

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 Serial library, use system utilities to control it and how to create a simple web-based […]

August 31, 2015 | By
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Starting Computer Vision Development with OpenCV on Ubuntu

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 write some stuff and save our work. Table Of Contents Intro About OpenCV Requirements Installing […]

August 5, 2015 | By
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How to Install and Configure uTorrent on 7 Linux Distros

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 set the password,bandwidth,directories and how to get notified when your download finishes or change state. […]

June 23, 2015 | By
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How to Configure Apache Containers with Docker on Fedora 22

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 on Docker Hub, and then install Apache on an image of Fedora 22 interactively, after […]

June 11, 2015 | By
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A Startup Guide to Setup Icinga2 on Ubuntu 15.04

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 Requirements Installing packages Installing MySQL Installing Icinga Web Installing Nagios Plugins Setting up Icinga2 icinga2.conf […]

June 8, 2015 | By
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