Vishakha Umale

Information Systems in the Indian Railways: India - 65,000km( total operating length ) The Indian nationwide rail network, the fourth longest in the world, is owned and operated by state-owned Indian Railways and includes an operating route length of more than 65,000km. The network carried about eight billion passengers (the highest in the world) and 1.01 million tonnes of freight (fourth highest in the world) in 2013. The Indian railway network is divided into 17 zones and operates more than 19,000 trains per day, including 12,000 passenger trains and 7,000 freight trains. The national railway operator plans to add 4,000km of new lines by 2017, as well as significant gauge conversion, doubling and electrification of its existing aging lines.  It also plans to add 3,338km of exclusive freight network by 2017 with the implementation of Eastern & Western  Dedicated Freight Corridors  (DFC), two of the six identified dedicated freight corridors in I...

Raspbian Raspbian  is a  Debian -based computer operating system for Raspberry Pi. Since 2015 till now it is officially provided by the  Raspberry Pi Foundation  as the primary operating system for the family of Raspberry Pi single-board computers.  Raspbian was created by Mike Thompson and Peter Green as an independent project.  The initial build was completed in June 2012.  The operating system is still under active development. Raspbian is highly optimized for the Raspberry Pi line's low-performance  ARM  CPUs.                                                                                                                    Raspb...

Raspberry Pi 3 :   The Raspberry Pi 3 is the third-generation Raspberry Pi . It replaced the Raspberry Pi 2 Model B in February 2016. Quad Core 1.2GHz Broadcom BCM2837 64bit CPU. 1GB RAM. BCM43438 wireless LAN and Bluetooth Low Energy (BLE) on board. Clever uses for Raspberry Pi 3 : Raspberry Pi is a credit card-sized development board and it is the perfect tool for students, artists, hobbyists and hackers. It is a very versatile board with application in several areas. Here are some awesome uses for your Raspberry Pi. 1. Retro Gaming Do you miss Nintendo, Sega, GameBoy and arcade games? You can transform your Raspberry Pi into a retro game console (RetroPie Project). There are instructions available on the internet on how you can do it, and it doesn’t take much than 30 minutes. Pretty amazing! You can use it in the simple way, or you can go beyond and build an awesome cabinet. 2. Raspberry Pi Tablet You can transform your RPi ...

HoneyPot Technology : A honeypot is a decoy computer system for trapping hackers or tracking unconventional or new hacking methods. Honeypots are designed to purposely engage and deceive hackers and identify malicious activities performed over the Internet. There are two different kinds of honeypots. They are classified based on their deployment method: Production Honeypot: Used by companies and corporations for the purpose of researching the motives of hackers as well as diverting and mitigating the risk of attacks on the overall network. Research Honeypot: Used by nonprofit organizations and educational institutions for the sole purpose of researching the motives and tactics of the hacker community for targeting different networks. Based on design criteria, honeypots can be classified as: pure honeypots high-interaction honeypots low-interaction honeypots Honey nets Two or more honeypots on a network form a  honey net .  Typically, a h...

Deep Blue (chess computer) On Feb. 10, 1996, a computer won a game of chess against a world champion for the first time. The computer was Deep Blue, a machine designed by IBM capable of computing 100 million positions per second The champion was 32-year-old Russian Grandmaster Garry Kasparov, who had first been named world champion at age 22. (after 20 years deep blue watch :  https://www.youtube.com/watch?v=wdns2fVUEeE ) The game was the first in a match of six held in Philadelphia. Kasparov rebounded in the following five games, fighting the computer to two draws and three victories, winning the overall match.  Thank You So Much................

DHCP : Dynamic Host Configuration Protocol (DHCP) is a client/server protocol that automatically provides an Internet Protocol (IP) host with its IP address and other related configuration information such as the subnet mask and default gateway. Simply in this we can host remote pc's as per our requirements. And in this we can allocate ip address then it will set automatically within range. Just like to which pc(mac address of perticular pc) we wanna to create our client or which we want to restrict this will be possible through this dhcp.  Steps for  DHCP are as follows : (note : only for fedora 19) 1.first of all open terminal-> service iptables stop service firewalld stop  yum install dhcp systemctl start dhcpd.service systemctl enable dhcpd.service service dhcpd status o/p: Redirecting to /bin/systemctl status  dhcpd.service dhcpd.service - DHCPv4 Server Daemon    Loaded: loaded (/usr/lib/systemd/system/dhcpd.servic...