Question

In: Computer Science

Ubuntu Linux HW2: 1. Give one line of the Linux command to see your (your login...

Ubuntu Linux

HW2: 1. Give one line of the Linux command to see your (your login ID) credential data from the passwd file. Use a pipe and grep command.

2. Give one line of the Linux command to calculate the following and save it in the hex to a file calcOut. Use bc and <<<. 3+2*4 Submit Screenshots

HW3: Permission

Show the result clearly after each of the following commands are executed.

1. Create a subdirectory, “HW3”. Write the Linux command.

2. Who owns it? Show it.

3. Can the owner move into the directory HW3? Show why?

4. Write a Linux command with the number to permit all to the owner but nothing to any other.

5. Write a Linux command with no number to change the privilege not to move into HW3 directory.

Submit Screenshot

HW4: networking

Show the result clearly after each of the following commands are executed.

1. Write a Linux command to print the route packets trace to www.mercy.edu.

2. Look up the manual on netstat. Write the netstat command to display all the sockets.

3. Write the netstat command with an option to display all listening tcp ports.

Submit Screenshot

Solutions

Expert Solution

Answer 1
************

Answer 2
**************

Answer 1
*************

mkdir HW3

Answer 2
***********

your user name will be there in HW3 creator

Answer 3
************

yes

Answer 4
*************

Answer 5
**************

chmod 000 HW3

Answer 1
*************

tracert www.mercy.edu

Answer 2
************

man netstat

netstat -a  

Answer 3
**************

sudo netstat -plnt


if you have any doubt then please ask me without any hesitation in the comment section below , if you like my answer then please thumbs up for the answer , before giving thumbs down please discuss the question it may possible that we may understand the question different way and i can edit and change the answers if you argue, thanks :)


Related Solutions

Ubuntu Linux HW5: text processing; scripting 1. Write a Linux command to rewrite the /var/passwd file...
Ubuntu Linux HW5: text processing; scripting 1. Write a Linux command to rewrite the /var/passwd file to have a tab for each delimiter ':'. Hint: use tr 2. Write a Linux command to extract the user names and sort them. Hint: use cut 3. Write a for loop to to display a time table, e.g., 17 x 1 = 17; 17 x 2 = 34; etc., as follows: 17 x 1 = 17 17 x 2 = 34 17 x...
In Linux (Ubuntu), write a script to check command arguments (3 arguments maximum). Display the argument...
In Linux (Ubuntu), write a script to check command arguments (3 arguments maximum). Display the argument one by one. If there is no argument provided, remind users about the mistake. If there is an easy way to use a loop to get all arguments, use it? a. Display the source code in an editor (#4-1) b. Execute your script in the terminal, and display the command and the result (#4-2)
Using Linux in VirtualBox To display your system date: Type date in the command line, and...
Using Linux in VirtualBox To display your system date: Type date in the command line, and press Enter. What do you see?                                            You might see the abbreviation EDT (Eastern Daylight Time) instead of EST (Eastern Standard Time), or another time zone abbreviation, such as MDT (Mountain Daylight Time) or CST (Central Standard Time). Notice also that UNIX/Linux uses a 24-hour clock. Type Date in the command line, and press Enter. What error do you see?                                    The system error...
LINUX In Linux command line write a shell script ex1.sh that uses IF THEN to Prompt...
LINUX In Linux command line write a shell script ex1.sh that uses IF THEN to Prompt the user to "Enter a number between 1 and 10". (Hint: Use the 'echo' and 'read' commands in the script. See the slide about the 'read' command) If the number is less than 5, print "The number is less than 5" (Hint: You will read input into a variable; e.g. read NUM. In the IF statement, enclose $NUM in quotes; e.g. "$NUM". Also, remember...
(Complete Using Ubuntu) Please try each command in Linux system, and get screenshots (you may put...
(Complete Using Ubuntu) Please try each command in Linux system, and get screenshots (you may put multiple commands in one screenshot) which can show how actually each command runs. Also, give a brief description (one or two sentences) for each command. For the commands which have multiple switches/parameters, please try one popular switch/parameter. Linux Commands: rm,cp ,mv (name), ld, ftp, more, less, cat (date), tar, top, ps (name), kill, df, last, patch, mkdir (date)
Introduction Write in C++ at the Linux command line a program that is the same as...
Introduction Write in C++ at the Linux command line a program that is the same as the previous collection app project but now uses a class to store the items and also can save the items to a file that can be read back into the array by the user when the program is re-started. You can use your project 1 submission as a starting point or you can do something new as long as it meets the listed requirements....
Upgrade your UBUNTU Linux system and document the steps that you took. What events, if any,...
Upgrade your UBUNTU Linux system and document the steps that you took. What events, if any, were logged? Next, search the repositories for the application nginx. If it’s not installed, install it. Document the steps you took.
**Need to use awk command in putty (should be a ONE LINE COMMAND) Write the command...
**Need to use awk command in putty (should be a ONE LINE COMMAND) Write the command that would find all lines that have an email address and place a label email = before the line in the file longfile output will multiple lines similar to this one : using a good awk command the output would be something like this email = From: "Linder, Jann/WDC" <[email protected]> email = To: Mr Arlington Hewes <[email protected]> email = > From: Mr Arlington Hewes...
Linux Ubuntu 1. Use the appropriate commands to locate the device file used by the device,...
Linux Ubuntu 1. Use the appropriate commands to locate the device file used by the device, mount the filesystem to a directory of your choice, and check the filesystem for errors. 2. Finally, add a line to /etc/fstab to ensure that the filesystem can be easily mounted in the future (this line should not automount the filesystem at boot time). You have to document all your steps and provide the screenshot of your work process.
Design two shell programs working on Linux (Ubuntu) Design a shell script program, 1) reading given...
Design two shell programs working on Linux (Ubuntu) Design a shell script program, 1) reading given only two integer numbers from command line arguments and computing their multiplication. If two integer numbers are not given, print “Wrong Input” on your screen. Note that, the number of arguments is known when the script runs. Take a screenshot showing your shell program and its execution step. Design a shell program to remove all the shell programming files ending with sh on your...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT