Tricks Point

Apache Hadoop distribution is a open source frame work that allows processing of large data sets across the clusters of computers. Disadvantages: - It is not usable for faster access of data. - We can't update the data. - It is a bash processing system not real time processing. - Deploy hadoop to cloud not possible. Some popular hadoop distributions are 1) Cloudera 2) Hortonworks - Total open source 3) Mapr 

PING  WINDOWS: If we are having connectivity problems, we can use the ping command to check the destination IP address we want to reach and record the results. The ping command displays whether the destination responded and how long it took to receive a reply. If there is an error in the delivery to the destination, the ping command displays an error message.  You can directly ping specific system by using ip  address(ping ip address) OR you can ping any specific website by using its address.But some times you will get an error like "Ping request could  not find host www.google.com. Please check the name and try again." this is because of DNS issues. To solve this problem see http://www.corenetworkz.com/2012/09/ping-request-could-not-find-host-please.html after solving the problem type ping www.google.com UBUNTU: NETSTAT: netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing),...

Whatsapp new update end to end encryption

steps:- 1)Go to desired folder and type cmd in address bar.  2)It will automatically open the command prompt with path set.

Steps:- 1)Open chrome. 2)Drag and drop file(video) from your computer to chrome.

Steps:- 1)open google. 2)search for "5 minute timer".now google will set the timer for 5 minutes and after five minutes you will hear an alarm sound.

Steps:- 1) type file:///sdcard/ in the address bar of your chrome browser. This will open the contents of your SD card.