hello, Using linux terminal, i need commands that can do the things below. 1 a)

Question

hello, Using linux terminal, i need commands that can do the things below.

1
    a) Write the commands that will display the static ip address for domain

    b) Write the commands that will display all your files in your hard disk ending on .java

2
    a) Write the commands that will display the total amount of files ending on .java on your
       entire hard disk

   
    b) Using regular expressions, write the commands that will display all files on your current
       directory, with all attributes, containing the letter p or A
      

3
    a) Write the commands that will display all the hops it takes to reach, from your computer,
       the website genomepro.cs.fiu.edu,

    b) Write the command(s) that will performs DNS lookups displaying domain names and
       associated IP address
      
                              
                                
4
    a) Write the commands that will display your computer's current network interfaces
       showing their current active ip addresses
   

   
    b) Write the commands that will display the name of all the current network interfaces,
       in your computer, that are NOT currently connected
                                
   

5
    a) Run command to listen to your computer's ports, as learned in class, such as:
   
       tcp     0      0 0.0.0.0:27017   0.0.0.0:*      LISTEN      1315/mongod    
       tcp6    0      0 :::139          :::*           LISTEN      1079/smbd    
       udp     0      0 0.0.0.0:5353    0.0.0.0:*                  714/avahi-daemon: r
       udp6    0      0 :::48054        :::*                       714/avahi-daemon: r

    b) Write the commands that will display lines with anything not a letter or number
      in a text file
   

6
    a) Write the commands that will display lines containing letters a thru z and A thru Z
       in a text file
   

    b) Write the commands that will display lines with numbers only using the following
       format xxx-xxx-xxxx found in a text file

Explanation / Answer

Solution:

The first question is done as per Chegg guidelines, please repost others. ?

1)

a)

sudo nano /etc/netplan/01-netcfg.yaml

The above command will display the static IP address of the domain using Netplan.

b)

The below command will find all the files in the system which is ending with .java extension.

I hope this helps if you find any problem. Please comment below. Don't forget to give a thumbs up if you liked it. :)

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