I remember creating one or two challenges for local forensic competition in my community. Ideally the image should be created from live hard drive or SD card. However, I’m not in condition to do that. The constraint I have is to create image as small as possible so we can distribute it across any media. […]
Builder is a creational design pattern, used to separate the construction of a complex object from its representation so that the same construction process can create different objects representations. Unlike the abstract factory pattern and the factory method pattern whose intention is to enable polymorphism, the intention of the builder pattern is to find a […]
PostGIS is a spatial database extender for PostgreSQL object-relational database. It adds support for geographic objects allowing location queries to be run in SQL. In effect, PostGIS “spatially enables” the PostgreSQL server, allowing it to be used as a backend spatial database for geographic information systems (GIS). PostGIS is a free open source project, licensed under […]
PostgreSQL, often simply “Postgres”, is an object-relational database management system (ORDBMS) with an emphasis on extensibility and standards-compliance. With more than 15 years of development history, it is quickly becoming the de facto database for enterprise level open source solutions. In this article we will discuss about how to install PostgreSQL from source on Slackware64. […]
What is Register? Micro controller operations mostly involve processing data. Registers is used to do operations in CPU. Registers are special storages in CPU with capacity of certain bits. In 8-bit AVR, a register is 8 bits wide which can hold data of 8-bits (1 byte). In nutshell, they do like this: 7 6 5 […]
What is Assembly Language? Assembly language is a low-level programming language for programmable device. It is an alphanumeric representation of machine code. In contrast to high-level programming language which are generally portable across multiple systems, assembly language is very architecture specific. Assembly language is very strong correspondence between the language and the architecture’s machine code […]
By definition, a micro controller (sometimes abbreviated µC, uC or MCU) is a single chip containing at least a CPU, memory, and programmable I/O peripherals. Sometimes it also has a timer unit. Basically a micro controller can be described as a small computer on a chip. It is designed for embedded application or specific purpose. […]
When we are dealing with AVR programming, after create the codes in our development machine we should write the code into the device. For this purpose, we need a tool which we called Downloader or Programmer. This tool will “burn” the code into AVR CPU using spesific port. One popular tool is USBasp (http://www.fischl.de/usbasp/). This […]
AVR or Alf & Vegard RISC, is a single chip microcontroller developed by Atmel. AVR is a modified Harvard architecture 8-bit RISC (Reduced Instruction Set Computer) which is famous microcontroller. AVR microcontrollers has many categories or we will say family. Family basically a group or category based on similiar characteristic and properties. There are six […]
The Open MPI Project is an open source Message Passing Interface (MPI) implementation that is developed and maintained by a consortium of academic, research, and industry partners. Message Passing Interface itself is a system designed by a group of researchers from academica and industry to function on a wide variety in parallel computers.The standard defines […]
- Creating Disk Image September 16, 2014
- Creating Disk Image September 16, 2014
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