miapurva / device-drivers

Device-Drivers

1. Assignment 1: Packet capture:

   cc -o sniff pac.c -lpcap

2. Lab1: To run kernel module prog:

make sudo insmod Module1.ko dmesg sudo rmmod Module1.ko

3. Lab2: To run keylogger program, type the following commands:

make sudo insmod keylogger.ko dmesg sudo rmmod keylogger.ko

4. Lab3: To run shellscript :

   chmod+x calculator.sh ./calculator.sh

5. Lab4: ioctl:

   gcc query_app.c make sudo insmod query_ioctl.ko sudo ./a.out -->Output is the status,dginity and other values sudo ./a.out -s -->can change those values by accessing the kernel sudo ./a.out -g -->Shows the new values for it. sudo ./a.out -c -->clears the values sudo ./a.out -g -->and prints the 0 for all. sudo rmmod query_ioctl.ko

6. Lab5: All the commands and detailed explainantion for using "Two mouse pointers/cursors simultaneously" is given in the text file.

7. Lab6: Mouse device driver: Keep the "graphics.h" file in the same folder where your target file is. cc mouse.c -lX11 ./a.out

8. Lab7: Two systems with same IP address:

   Run the same file on both systems and enter same IP address. Then check if you can access the Internet. sudo cc ip.c sudo ./a.out P.S.: You won't be able to access the Internet.