How to Install MongoDB 2.6 on Ubuntu and Dabian Systems

MongoDB (named from “huMONGOus“) is a full flexible index support and rich queries database. Its is a NoSQL database. MongoDB provides large media storage with GridFS. Click here for more details about mongoDB. This tutorial will help you to install MongoDB 2.6 Production release in Ubuntu Systems. Step 1: Add APT Repository First import public …

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Steps to Install MongoDB 2.6 on CentOS/RHEL & Fedora

MongoDB (named from “huMONGOus“) is a full flexible index support and rich queries database. Its is a NoSQL database. MongoDB provides large media storage with GridFS. Click here for more details about mongoDB. MongoDB has released new stable version 2.6 with lots of major enhancements. This tutorial will help you to install MongoDB 2.6 on …

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How to Replace Faulty Device from RAID Array

In the previous article we describe to how to Setup RAID-1 in RHEL/CentOS systems. Some times disks attached with the array get failed working, RAID simply mark it as faulty device and do not use it any more. In that situation we need to replace the faulty device with new working device. The below image …

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How to Setup RAID-1 Array using Two Virtual Disks in CentOS/RHEL 6

RAID stands for Redundant Array of Inexpensive (Independent) Disks. RAID-1 is also known as striping. RAID-1 required minimum two disks. The max data on RAID-1 can be stored to size of smallest disk in RAID array. In this article we are using CentOS 6.5 running with VMWare. I have added two virtual disks as /dev/sdb …

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How to Secure SSH Connections with Port Knocking on Linux CentOS

Port Knocking is a technique used to secure connections or port access from unwanted users. Using this technique we maintain one or more previously configured ports closed and these will only be opened using a sequence of requests to a number of ports that wepreviouslyset . To give an example , if we configure port …

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Install Google Chrome 34 in Ubuntu 13.10 / 13.04 / 12.10 / 12.04

Google Chrome is a freeware web browser developed by Google. It is most popular browser and used by users. Google chrome is available for Linux, Windows and Mac OS. The Google Chrome 34 Stable version has been released to download and install with various bug fixes and improvements. Why use Google chrome ? We have …

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How to Install Google Chrome 34 in RHEL/CentOS 6, Fedora 19/18

Google Chrome is a freeware web browser developed by Google. It was released as a beta version for Microsoft Windows on September 2, 2008, and as a stable public release on December 11, 2008. Google Chrome 34 is latest stable version available to download. Google Chrome 34 Released: This article will help you to install …

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How to Send Email via SMTP Server from Linux Command Line (with SSMTP)

In the Global word, we always wants to keep connect to everyone. To accomplish this email is also a very popular method to send and receive information. Linux systems also provides tools to send emails from command line which is useful to get system details, to send emails from shell scripts etc. When we simply …

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