WHAT IS ROOT PASSWORD IN UBUNTU!?!?!??!!?

hey guys to day i gonna show you how to set password in ubuntu root simply you just type "sudo passwd" and set your password of root done!

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BASH AND SH

When you are running the bash file and saw this error message you must to think what kind of shell script editor are you using like me i wrote the bash script using the sh you will see the error message below run1.sh: 6: [: 5: unexpected operator
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ARDUINO RFID CODE!!!!!!!

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 Hey Guy today i gonna show you my arduino RFID Interface and you can make it by your self and i used this code is for sensor the card number and security card true or false ,etc... code:  // the sensor communicates using SPI, so include the library: #include <SPI.h> #define uchar unsigned char #define uint unsigned int #define MAX_LEN 16 ///////////////////////////////////////////////////////////////////// //set the pin ///////////////////////////////////////////////////////////////////// const int chipSelectPin = 10;//UNO,328,168 const int chipSelectPin = 53; //mega 2560,1280 const int NRSTPD = 5; #define PCD_IDLE              0x00               #define PCD_AUTHENT           0x0E               #define PCD_RECEIVE           0x08             #define PCD_TRANSMIT ...
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