Recent Articles

Install WordPress on Docker LEMP Stack with Letsencrypt SSL

WordPress is an opensource software, which you can use to create your beautiful website, blog, or app. Hundreds of community volunteers has built this core software. And there are thousands of plugins and themes available for this to transform your website into the one in your imagination. In this article, I'm explaining on how to […]

August 17, 2016 | By in DEVOPS
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How to Install Asterisk 13 on Ubuntu 16.04 from Source

Asterisk is the VoIP server with SIP and PJSIP support for Linux based operating systems and it makes great tool for learning SIP and venturing into the world of VoIP. For that purpose, we are going perform installation of Asterisk 13 on Ubuntu 16.04 Server. It will run as asterisk user and we are doing […]

August 15, 2016 | By in OPEN SOURCE TOOLS
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How to Setup Volatility Tool for Memory Analysis

In the IT security field, memory or Random Access Memory (RAM) analysis  helps to identify the malicious or illegal activities in the system. RedLine is a free for volatile memory analysis tool which is provided by Mandiant (FireEye company). However, well-known open source security tool for volatile memory analysis is  volatility. It supports analysis of […]

August 12, 2016 | By in SECURITY
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Securely Download Files using Https from Nginx Docker Containers

As  system administrators, we have situations where we need to download large files such as backup files, database backups, emails, log files etc securely between our servers. Usually we use SFTP, SSH or SCP for this purposes. But these processes slow down comparatively, when it comes to a remote backup download. In this article, I'm explaining a […]

August 10, 2016 | By in SECURITY
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How to Setup Zimbra Mail Server on Ubuntu 16

Zimbra collaboration suite has two flavors- Network edition and open source edition. In this tutorial we will explore quickest and easiest way to install zimbra ( free edition ) mail server along with other components like LDAP, antivirus, antispam, Amavis (amavisd-new) - Content checker, Aspell - Spell checker, MySQL and other collaboration features and a […]

August 9, 2016 | By in MAIL SERVER
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How to Upgrade Linux Kernel to Stable 4.7 on CentOS 7.x

This is an article on upgrading Linux kernel to the latest stable version (4.7.0) on CentOS 7 . Here, we will understand why we should upgrade the kernel  and different ways of doing the same. As you might know, kernel is a part of the Operating System(OS) that acts as an interface between applications and […]

August 8, 2016 | By
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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 and analyze large volume of data to make real-time decisions-all the time. In this tutorial we will use the following […]

August 5, 2016 | By
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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 dashboards from your disparate metric databases. It supports a wide variety of graphing options for ultimate flexibility. Furthermore, it supports many different storage backends for your […]

August 3, 2016 | By in MONITORING
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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 editor with more features. It is a powerful source code editor which runs on your desktop environment, available for OS like for Windows, OS X and Linux. […]

August 1, 2016 | By
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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 issued guidelines to combat your system's back-doors/weaknesses and protect you from some of the common Ubuntu exploits. In this guide we will look at few […]

July 29, 2016 | By in SECURITY
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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 mostly used for development environments and functional testing of OpenStack's different projects. This article will detail the […]

July 27, 2016 | By in LINUX HOWTO
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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 to the network, ssh will automatically encrypts it. It is designed and created to provide the best security when accessing another computer remotely. […]

July 26, 2016 | By in LINUX COMMANDS
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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 graphs. It is a general purpose database and provides all features that are needed for a modern web application. Because of the web interface […]

July 25, 2016 | By
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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 provides a platform whose purpose is to easily deploy and scale containers. It is created by Project Atomic, which is a Red Hat-sponsored organization. Comparable to CoreOS, […]

July 22, 2016 | By
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