How to Setup ownCloud 9.1 on Ubuntu 16.10 with Letsencrypt SSL


In today's world, cloud usage has penetrated our lives so much that we need it for everything. To name a few, cloud based nodes, data storage, operating systems etc. Even if one decides to go for cloud computing, do they [...]

B N Poornima 3:00 am

How to Install Nextcloud 10 with Nginx on Debian 8

Nextcloud page

Nextcloud is an open source file sync and share software. It is a fork of ownCloud and finds its usage both at individual and Enterprise level. It was recently started by Frank Karlitschek who founded  the ownCloud project earlier. Nextcloud [...]

B N Poornima 3:00 am

How to Upgrade Linux Kernel to Stable 4.7 on CentOS 7.x

Kernel Config options

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 [...]

B N Poornima 3:00 am

How to Install and Use Arango Database on Ubuntu16.04

Result of a Query

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 [...]

B N Poornima 3:00 am

How to Install Roundcube Webmail on Ubuntu16.04

Roundcube inbox

Roundcube is a web application which can be used to access your emails from a web browser. It is a free and open source software tool by Roundcube Webmail project. It has a clean user interface and provides many features [...]

B N Poornima 3:00 am

How to Build and Run your apps using Docker Compose

Running an app using Docker Compose

Docker compose, formerly known as Fig,  is a tool which can define and run complex applications using Docker. Basically it does the job of creating multiple containers and links between them. Using Docker Compose requires defining the environment required for [...]

B N Poornima 3:00 am

A Guide to Install and Use ZFS on CentOS 7

ZFS CentOS 7

ZFS, the short form of Zettabyte Filesystem is an advanced and highly scalable filesystem. It was originally developed by Sun Microsystems and is now part of the OpenZFS project. With so many filesystems available on Linux, it is quite natural [...]

B N Poornima 3:00 am

How to Install pagemon - A Tool to Monitor Process Memory

VM view of a process

Recently,  Colin Ian King from Canonical has developed a new tool called 'pagemon'. It is an ncurses based interactive memory monitoring tool which allows users to browse the memory map of an active Linux process.  Page Table Entries (PTEs) are [...]

B N Poornima 3:00 am

How to Install / Uninstall GIMP 2.8.16 on Ubuntu 14.04 / 15.10

GIMP window

GIMP is the acronym for GNU Image Manipulation Program. It is a free and open source cross-platform image editor available for GNU/Linux, Mac OS X, Windows etc.  It is frequently referred to as a free alternative to  Adobe Photoshop.  It is a [...]

B N Poornima 7:00 am

How to Install Android Studio on Ubuntu 15.04/CentOS 7

Welcome screen

With the advancement of smartphones in recent years, Android has become one of the biggest phone platforms and all the tools required to build Android applications are also freely available. Android Studio is an Integrated Development Environment (IDE) for developing [...]

B N Poornima 3:00 am

How to Install Cockpit on Linux CentOS 7


Cockpit is an easy to use server administrator for Linux based systems. It is a free software which is released under LGPL v2.1.  Its purpose is to be able to manage multiple servers in a user-friendly manner.  Unlike other tools, it does [...]

B N Poornima 3:00 am

How Setup VMs using Gnome-Boxes

VM properties

Gnome Boxes is a simple virtualisation software whose purpose is to provide an easy graphical user interface(GUI) to manage virtual machines on Linux. Using Boxes, we can access and use both local and remote virtual systems.  It is an alternative [...]

B N Poornima 3:00 am

How to Manage Linux Containers using LXC

Web panel

Linux Containers  is a light weight virtualization technology at the operating-system level which is capable of running more than one Linux system on a Linux host. It is an alternative to other traditional hypervisors like KVM and Xen.  Compared to [...]

B N Poornima 3:00 am

How to Manage Btrfs Filesystem in Linux

Output of 'df' in btrfs

Btrfs, also pronounced as 'Butter FS' or 'B-tree FS', is a copy-on-write(CoW) filesystem for Linux.  It is GPL licensed and focuses on providing features like scalability, data integrity, defragmentation and fault tolerance among others. In this article, let us learn [...]

B N Poornima 3:00 am