30 Most Frequently Used Hadoop HDFS Shell Commands

In this tutorial, we will walk you through the Hadoop Distributed File System (HDFS) commands you will need to manage files on HDFS. HDFS command is used most of the times when working with Hadoop File System. It includes various shell-like commands that directly interact with the Hadoop Distributed File System (HDFS) as well as other file […]

November 11, 2016 | By in UBUNTU HOWTO
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How to Setup Snapshots and Clones in ZFS on Linux

Notable new feature in Ubuntu 16.04 is addition of ZFS file system. This file system have long time been dubbed a Solaris' killer feature. It has been ported over to Linux but it wont be integrated into mainline kernel due to Sun's clever pick of incompatible license. They did that so that can claim having […]

September 26, 2016 | By in FILE SYSTEM
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How to Manage Btrfs Filesystem in Linux

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 how to install and use some of the important features of btrfs. Installation and Creation […]

August 13, 2015 | By
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Howto Configure Ubuntu 14.04 to Native ZFS Root Filesystem

Hello everybody, today we are going to setup Ubuntu to a Native ZFS root file  which is an advanced file system and logical volume manager designed to overcome many of the major problems found in previous designs which is designed by Sun Microsystems. The major features of ZFS include its performance with data integrity that […]

July 14, 2015 | By
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Create / Mount / Manage XFS Filesystem on Fedora 22

XFS is a 64-bit journaling filesystem that was created by Silicon Graphics, Inc (SGI) in the year 1993. It is a high performance and highly scalable filesystem and was ported to the Linux kernel in 2001. Since then, many Linux distributions support XFS and is even the default in some. The latest Fedora 22 server […]

July 6, 2015 | By
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Install and Configure GlusterFS in CentOS 7 on AArch64

This article explains the process of installing and configuring CentOS 7 with GlusterFS on AArch64. GlusterFS is an open source and scale-out filesystem which combines multiple storage servers using Infiband or TCP and makes one large network filesystem. Requirements To configure GlusterFS, you need two or more servers (AArch64) with CentOS 7 installed. The servers can be either […]

June 16, 2015 | By
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How to Use tmpfs on RHEL / CentOS 7.0

Today we will talk about tmpfs CentOS 7 a file system that will keep all files and folders in the virtual memory of the operating system as opposed to actually writing them to the disk. This means that all the content in tmpfs is temporary in the sense that it’s not permanently written to the […]

May 19, 2015 | By
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Rclone - Sync File and Directories to Cloud Storage in Linux

Hi all, today we'll learn what is Rclone and how to install it in our Linux Based Operating System. Rclone is a command line program to sync files and directories to and from Google Drive, Amazon S3, Openstack Swift / Rackspace cloud files / Memset Memstore, Dropbox, Google Cloud Storage, The local filesystem. It is a Go program and comes as a […]

February 12, 2015 | By
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How to Find and Remove Duplicate Files on Linux

Hi all, today we're gonna learn how to find and remove duplicate files on you Linux PC or Server. So, here's a tool that you may use anyone of them according to your needs and comfort. Whether you’re using Linux on your desktop or a server, there are good tools that will scan your system for […]

January 9, 2015 | By
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How to Create Btrfs Filesystem in Linux and its Features

Btrfs (B-tree file system) is a new CoW (copy-on-write) file system for Linux. It's development began at Oracle Corporation in 2007 and it was marked as stable in August 2014. The purpose of Btrfs is to address the lack of pooling, snapshots, checksums, and integral multi-device spanning in Linux file systems and its goal was […]

December 15, 2014 | By
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How to Install / Test Linux Filesystem Performance with Bonnie++

Today I will show you how to install and use Bonnie++, a free file system performance testing tool for Linux and Unix-like operating systems. It is a test suite that is aimed at performing a number of simple tests on hard drive and file system performance. It allows you to test how your file systems […]

October 15, 2014 | By
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How to Create, Mount and Extend xfs Filesystem

XFS is a high-performance 64-bit journaling file system created by SGI in 1993. It was introduced in the Linux kernel in 2001, XFS is supported by most Linux distributions, some of which use it as the default file system (RHEL/CentOS 7.0). XFS excels in the execution of parallel input/output (I/O) operations due to its design, […]

August 22, 2014 | By
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How To Create or Display Hidden Files / Folders in Linux

Here we will discuss how to create and display hidden files and folders in linux/Unix Operating Systems. Mostly our favorite 'ls' command doesn't display hidden files or folders in linux. If any file's name starts from '.' prefix (for ex: .test) then that will call as hidden file and 'ls' or 'll' command will not […]

May 7, 2013 | By
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6 Linux chattr Commands to Protect Files by Immutable Feature

chattr (Change Attribute) is a command line Linux utility that is used to change the file attributes. It sets/unsets certain attributes to a file in Linux system to secure accidental deletion or modification of important files and folders, even though you are logged in as a root user. So, you make the file immutable. In […]

May 5, 2013 | By
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