30 Expected DevOps Interview Questions and Answers

If you are searching for devOps job, you are making good career decisions since it is well paid and heavily demanded job nowadays. In this article, we will go through the DevOps interview questions that you might expect from your interviewer. The questions are many and we couldn't possibly list all of them, but after […]

August 18, 2016 | By in DEVOPS
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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 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 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 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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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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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 information which can be useful for forensic investigator in a particular crime or incident. Digital forensic investigation required tools to extract desired information from […]

July 20, 2016 | By
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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 with lightning speed performance. It surpasses several other SCM tools like Subversion, CVS, Perforce and ClearCase with features like cheap local […]

July 18, 2016 | By
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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 for a while, as the Linux client has not been updated since 2014. Skype's announcement of a next-generation Linux-native […]

July 14, 2016 | By
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