On a basic Linux server following services are required. Write down appropriate commands for each of the following requirements (2*6)

• Assign a dynamic IP address to a client on interface eth0 and then change its mac address.
• Find out the path of the packet to the server on (172.16.10.19), put your system in promiscuous mode.
• Find out the number of IP addresses used by google.com. Then ping google such that 6 packets of 70 KB are sent having interval of 2 secs between the packets.
• Rename file present on Desktop from file.txt to newfile.txt and assign its ownership to User Ali and Group Students.
• Display all user accounts and groups. Then forcefully expire password of any two users.
• Display all files in /opt/ starting with s and have .txt extension.