Understanding AWS(Amazon Web services) “The Cloud” Part – I

Written by “Kanika Gupta” To understand AWS, we need to understand the basics of Cloud Computing first. Let us take you through Cloud definition and need of Cloud computing and then we will figure out how AWS fits into role of Cloud

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16 ls command examples for newbe

What you should know about ls command in Linux? Just going to start Linux basics? Then you should not miss “ls command” which have all ingredients of Linux basics. In order to understand ls command output you should know following stuff. 1)

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Understanding DOCKER containers in Linux?

Docker is basically a concept of creating a light weight ‘Virtual Machines’ within a Linux Machine by just creating a single process in it. The real meaning of a Docker is “person who load and unload the containers from a ship’. If

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What is puppet? Why Linux/Unix users require it?

What is Puppet? The puppet is a configuration management tool used by system administrators and devops engineers to build and configure IT infrastructure. To understand it we should know a bit of history about how information technology evolved. Initials days of computers, machines

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13 Linux du command examples

In this post, we will be discuss the command “du” or disk usage. The du command is a handy command to check folder/file sizes in Linux. This command comes with lots of options which when combining them together can give you a very

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14 tail and head commands in Linux/Unix

Many people know about cat command which is useful in displaying entire file content. But in some cases we have to print part of file. In today’s post we will be talking about head and tail commands, which are very useful when

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Install and configure FTP server in Redhat/Centos Linux?

FTP stands for File Transfer Protocol. It was written by Abhay Bhushan and published in 1971. FTP is supported by all the operating systems and browsers. It is a client-server based protocol. How FTP works Step a: Client connects to server on port 21. Step

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Linux directory structure: /home and /root folders

This is our 6th post on understanding first level directories in /. Knowing these folders in detail or at least what each is meant for will help you understand Linux/Unix in whole. we already covered below directories, please have a look at

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12 Linux dd command examples

The dd command stands for “data duplicator” and used for copying and converting data. It is very powerful low level utility of Linux which can do much more like; • Backup and restore the entire hard disk or partition. • Backup of

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Linux: List/Find used inodes in a filesystem

Some times you may come across below error. touch: cannot touch `abc.txt’: No space left on device // using touch. This will be bit annoying when you come to know there is a space left in your desk. The culprit in this

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