This is the second in a series of articles on Hadoop and its many modules, in this article we will setup and configure a single node Hadoop environment, we will also test a MapReduce algorithm on a small dataset.
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Hadoop and its many modules, we will start by taking a overlook on what the purpose of Hadoop is and a bit of Hadoop theory.
Continue readingThrough this article I will explain the basics of file permissions and how you can apply them yourself on a Linux platform
Why do we have Permissions?
Every file and user on your computer has different kind of roles and permissions.
Lets for an example start by taking a look at a large computer company and their admins and users.
For regular users I will use a Billing department for the purpose of example . . .
In this blog post I will guide you through the processes to create your very own autorun file.
If you haven’t already, you can read my previous blog post USB Autorun logging C++ code
What is Autorun?
Autorun.cfg or Autorun.inf is a configuration file which is run whenever you plug an USB device into your computer.
This file holds information such as name, icon, menu name and more . . .
A friend of mine thinks that someone he lives together with is using his external HDD, when he isn’t around. So he asked me to develop a piece of software that could log whenever his external HDD was plugged into an computer . . .
Continue readingDuplicate content er for den besøgende ikke det store problem men søgemaskiner går meget op i at du ikke har duplicate content på dit website.
Duplicate content er når det er muligt at tilgå samme indhold via forskellige URL’s – Vi kan tage et kig på mit eget eksempel.
Da min blog kom online for første gang så parameteren til en blog post sådan her ud ?blogId=ID og til at bladre i bloggen ville det være med parameteren ?sideSkilning=ID og efter noget tid opdaterede jeg min blog igen og det ændrede sig nu til ?id=ID og ?pageId=ID og så kom der endnu en opdatering som denne gang bestod af pæne URL’s så lige pludselig havde jeg tre måder at komme ind til samme indhold . . .
Continue readingEn pæn url er når du bogstaveligt talt fjerner alt i URL adressen som en besøgende eller en søgemaskine ikke kan bruge til noget.
Eksempelvis:
blog.php?id=1
Kan laves om til blog/post/1 . . .