Author Archive: Bobbin Zachariah

Founder of LinOxide , passionate lover of linux and technology writer. Started his career in Linux / Opensource from 2000. Love travelling, blogging and listening music. Reach Bobbin Zachariah about me page and also below google plus page.

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How to Customize Shell Variable PS1-PS4 on Bash Prompt

You can see the real beauty of Linux when you use shell commands. There are some tasks which you cannot do in GUI and you have to use the shell. So having knowledge in shell commands, it will keep you ahead of the others. By default, the shell prompt display hostname and working directory. Using […]

March 30, 2017 | By
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How to Change Bash Shell Prompt Colorful and Attractive in Linux

Most of us work with a shell prompt. By default most, Linux distro displays hostname and current working directory. But only a few may be knowing about customizing the Bash prompt. You will be excited to know that you can change the color of your shell prompt to impress your friends or to make your own […]

March 29, 2017 | By
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13 Practical df Command Examples to Check Disk Space in Linux

The df command displays the disk space usage for the Linux filesystems. It displays the amount of total and free disk space available on the mounted file systems. Using the command, we can also find used blocks and inodes in the file system. In this article, we will explain various options of df command with […]

March 24, 2017 | By
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Docker Commands Cheat Sheet Part 1 and 2

The idea of using container was made possible by the namespaces feature added to Linux kernel version 2.6.24. Namespaces allows to create an isolated container that has no visibility or access to objects outside the container. LXC, LXD, systemd-nspawn, Linux-VServer, OpenVZ and Docker are some of the management tools for Linux containers. Main difference between […]

February 8, 2017 | By in CONTAINERS
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How to Configure MariaDB Replication on CentOS Linux

Its a process of creating duplicate versions of a the DB. Replication process is not only copies a database, but also synchronizes changes from master to one of the slaves. But this is does not means that slave databases are identical copy of the master, because replication can be configured that only a schema of […]

April 15, 2015 | By
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4 Tools Send Email with Subject, Body and Attachment in Linux

In today's article we will cover a few ways you can use to send emails with attachments from the command line interface on Linux. It can have quite a few uses, for example to send an archive with an application from an application server to email or you can use the commands in scripts to […]

April 6, 2015 | By
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Vagrant - Basic Setup of Virtual Development Environment

Vagrant is free and open source software for creating and configuring virtual development environments. Project was started in January 2010 by Mitchell Hashimot as a side-project, but in November 2012 Mitchell formed HashiCorp and started working on Vagrant full time. So why would you want to use Vagrant? Vagrant will help you lower development environment setup time, and share […]

February 19, 2015 | By
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Bringing a Bunch of Best Known Linux Network Tools

It is very useful to use command line tools to monitor the network on your system and there are a tons of them out there available for the linux user such as nethogs, ntopng, nload, iftop, iptraf, bmon, slurm, tcptrack, cbm, netwatch, collectl, trafshow, cacti, etherape, ipband, jnettop, netspeed and speedometer. Since there are many linux […]

February 17, 2015 | By
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Install Vivaldi in Linux - Awesome Multi Platform Browser

A new browser is on the market. Vivaldi is a web browser based on Chromium / Blink (A project from Google), especially created for users who "have problems fitting all their open tabs on one screen" and for better performance than the existing browsers Chromium and Chrome. The browser is started by Vivaldi Technologies, whose chief executive and founder is John von […]

January 28, 2015 | By
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Colourful ! systemd vs sysVinit Linux Cheatsheet

systemd is the new init system, starting with Fedora and now adopted in many distributions like RedHat, Suse and Centos. Historically, most of us have been using traditional SysV init scripts normally residing in /etc/rc.d/init.d/. These scripts invoke a daemon binary which will then fork a background process. Even though shell scripts are very flexible, […]

September 5, 2014 | By
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A Pocket Guide for Linux ssh Command with Examples

If you have been in the IT world for quite some time you probably have heard about SSH, how great a tool it is and all its cool security features. In this tutorial you will learn how to use SSH in a few minutes and login to your remote computers seamlessly and securely. If you […]

August 13, 2014 | By
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How To Compile Linux with LXC and Create Application Container

LXC (LinuX Containers) is an operating system–level virtualization method for running multiple isolated Linux systems (containers) on a single host. The Linux kernel comprises cgroups (control groups) for resource isolation (CPU, memory, block I/O, network, etc.) which does not require starting any virtual machines. Cgroups also provide namespace isolation to completely isolate application's view of […]

August 1, 2014 | By
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How to Install Tomcat 8 on CentOS 7.0 (Multiple Instances)

Apache Tomcat is an open source web server and servlet container developed by the Apache Software Foundation. It implements the Java Servlet, JavaServer Pages (JSP), Java Unified Expression Language and Java WebSocket specifications from Sun Microsystems and provides a web server environment for Java code to run in. This article will guide you through the […]

July 22, 2014 | By
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26 Linux Interview Questions and Answers (Basic and Scenarios)

As the opportunities for linux jobs are increasing day by day, it's very adequate to start preparing for Linux interviews. In this article we have presented, questions and answers in basic level and scenarios. More likely all questions are related to system administration. Basic Questions 1. What is initrd image and what is its function […]

July 21, 2014 | By
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