What is a Cloud?

Depending on who you are talking to, you’ll get different answers to this question.

A technically savvy end-user might define cloud as the ability to store and access personal or business data on-demand, over the internet, without having to store it locally.

A business might define cloud as an IT infrastructure that can be rented on-demand, instead of purchasing IT equipment to run their enterprise business applications.
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lspci stands for list pci. Think of this command as “ls” + “pci”.

This will display information about all the PCI bus in your server.

Apart from displaying information about the bus, it will also display information about all the hardware devices that are connected to your PCI and PCIe bus.

For example, it will display information about Ethernet cards, RAID controllers, Video cards, etc.
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MTR stands for My Traceroute.

It is a powerful network diagnostic tool which combines the power of both Ping and Traceroute commands.

It enables administrator to diagnose and isolate network errors and provide helpful network status reports.
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This tutorial explains how to restore MySQL tables when all or some of the tables are lost, or when MySQL fails to load table data.

One of the reason for this to happen is when the table data is corrupted.

In this particular scenario, when you connect to the MySQL database server, you cannot see one more tables, as they are missing.
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The Git Log tool allows you to view information about previous commits that have occurred in a project.

The simplest version of the log command shows the commits that lead up to the state of the currently checked out branch.

These commits are shown in reverse chronological order (the most recent commits first).
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If you are a developer, it is essential for you to optimize your script early in the development process itself. Following the best practices while coding your PHP script is a good starting point to write a well optimized PHP code.

This tutorial provides few tips to optimize PHP code from a developer point of view.
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Statistics is an essential part of Math, they have several practical applications, but sometimes very hard to understand for non mathematicians.

In this tutorial, we’ll focus on how to implement an algorithm to calculate statistical median.
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