PART E

Using Linux Ubunto operating system write the command needed to perform the following tasks: Some commands might need root access, use sudo to execute them

12.Use find command and locate command to find the location of passwd command

13. Find out the number of commands in /bin

14. Create a command to create new users (Use useradd command. See the man page of useradd for command options). Use chmod to give it appropriate permission so that only guest user can run this command

15. Compute the MD5 Checksum of kernel file

16. Check the date and time of the system. Advance the date by one day and time by 1 hour.

17. Find out the disk usage of /etc directory.

18. Find the hostname and domain name of the system.

19. Find the CPU and Memory utilization of the system.

20. Find the PID of the Process which is consuming maximum CPU.

21. Shutdown the system with warning to users.

22. Find out the disk usage (du) of / directory and compare it with the usage of / partition (df).

23. Make a new swap of 512 MB.

24. Shutdown your network interface. Try to ping your friends machine. Bring it up again and try to ping again.

25. traceroute to www.google.com and try to find out how many routers are there between your machine and google server

26. Shutdown your machine and then poweroff (after starting it again) your machine. Do you see a difference between the two