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How to Add Host and Manage Services in Icinga2
In my previous article, I've explained how to install and configure an Icinga2 with Icinga Web2 interface. Now it's time to introduce some hosts to our monitoring system. Unlike Nagios, we can add the...
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How To Install Linux Mint 18 From a USB Flash Drive
Linux Mint is a popular Ubuntu-based Linux Distribution that aims for an easy desktop usage experience, from installation to day-to-day work. There are two Desktop Environment choices, MATE and...
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How To Configure Single-Node Ceph Cluster To Run Properly
Ceph is designed to be a fault-tolerant, scalable storage system. This means that in a production environment, it is expected that at a minimum, there will be three Ceph nodes in a cluster. If you can...
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How to Install Go on Ubuntu Linux and CentOS
GO is a general purpose system programming language which means that you can build wide variety of application using it. It is purely an open source language developed by Google. It has cross platform,...
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How to Install KDE Plasma 5.7 in Linux Distros
KDE Project team has proudly announced its flagship Desktop Environment KDE Plasma 5.7 with greatly improved Wayland windowing system, along with numerous feature improvements including improved...
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Learn Ansible Basics to Install, Create Roles, PlayBook in Linux
DevOps has become an increasingly important aspect of daily life for many systems administrators. The demand to automate as much as possible, combined with the needs for flexibility and scalability,...
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How to Install and Use Metasploit Security Tool
According to Rapid7 (company behind the project) web site, Metasploit framework is the World's most used open source penetration testing software. It can be either used for offensive or defensive...
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How to Setup Mail Server Using Postfix, MariaDB, Dovecot and Roundcube
Hello everybody, today we are going to setup mail server using Postfix, Devcot and MariaDB on Ubuntu 16.04 LTS. In this article we will shows you how to setup Postfix (smtp server), Dovecot (imap/pop...
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Install New Skype App for Linux Clients Including on Chrome
Skype is one of the most widely used communications application in the world. It is available for Windows, Mac OS X, Linux, and other mobile devices. Sadly, Linux users have been left out in the cold...
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Install and Configure Git on Ubuntu 16.04
Git is an open source, distributed, version control system designed to handle every type of projects from small to big with speed and efficiency. It is easy to learn and has a low memory consumption...
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10 Best Known Forensics Tools That Works on Linux
Now a days, computer or digital forensics is a very important because of crimes related to computer, Internet and mobiles. Evidences such as computer and digital devices contain or store sensitive...
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How To Create Ceph Storage Cluster on Ubuntu 16.04
Ceph is one of the most exciting open source storage technologies to come out in recent years. Scalable to exabytes, and extendable to multiple datacenters, the Ceph developers have made it easy for...
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How To Run CentOS Atomic Host on VirtualBox
In an increasingly containerized IT environment, tools and platforms that allow ease of container management and deployment are increasingly becoming popular. CentOS Atomic Host is a micro-OS that...
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How to Install and Use Arango Database on Ubuntu16.04
Arango database (ArangoDB) is a multi-model database system, meaning one that uses combination of Key-Value pairs, documents and graphs to store data. It has a flexible data model for documents and...
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Powerful SSH Command Options with Examples on Linux
SSH is a popular, powerful, software-based approach to network security. It is used for logging into a remote machine and for executing commands on a remote machine. Whenever data is sent by a computer...
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Script to Create OpenStack Node with DevStack on CentOS 7
A lot of times, it is necessary to have an OpenStack deployment that can be quickly set up for testing and training. DevStack is a series of scripts that help to set up OpenStack very quickly. It is...
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An Ultimate Guide to Secure Ubuntu Host
Ubuntu is termed as the highly secured operating system available but it has flaws in its default install like every other operating system. To remove these weaknesses, IT Security specialist has...
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How to Install Visual Studio Code 1.3 on Ubuntu 16.04
Visual Studio Code is a lightweight, free and open source software. It provides developers with new choice of tooling, one which combines with simplicity and the streamline experiences with the code...
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How to Monitor Docker Containers using Grafana on Ubuntu
Grafana is an open source feature rich metrics dashboard. It is very useful for visualizing large-scale measurement data. It provides a powerful and elegant way to create, share, and explore data and...
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How to Setup ELK Stack to Centralize Logs on Ubuntu 16.04
The ELK stack consists of Elasticsearch, Logstash, and Kibana used to centralize the the data. ELK is mainly used for log analysis in IT environments. The ELK stack makes it easier and faster to search...
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