CYBER MONTH VIRTUAL EXPERIENCE BY UPGRADEMORE

Question 1

So The objective of our first Question is to find the current user's Username, Server Hostname, Current Working Directory, and System Information.

You can search on the Internet for Linux commands. Example:

how to check current user in Linux.

How to check server hostname in linux.

Solution

whoami

hostname

pwd

uname -a

Question 2

So The objective of This Question is to List all the Files and Folders of the current directory, then change your direction to Question-2 and Read a file name solved.txt.

You can search on the Internet for Linux commands. Example:

how to change the directory in Linux.

how to read files in Linux.

Solution

cd Question-2

ls

cat solved.txt

Question 3

So The objective of This Question is to find a hidden file in Question-3 Folder and print its content or data.

You can search on the Internet for Linux commands. Example:

How to list hidden files in Linux.

Solution

cd Question-3

ls -al

cat .solved.txt

Question 4

So The objective of This Question is to Create a new folder inside Question-4 Directory and create a text file in the new folder.

You can search on the Internet for Linux commands. Example:

How to Create Folders and Files in Linux

Solution

cd Question-4

mkdir newFolder

cd newFolder

touch newFile

Question 5

So The objective of This Question is to Delete all the files and folders inside Question-5 Folder.

Note: if there is no file available Please wait for some minutes and try again.

You can search on the Internet for Linux commands. Example:

how to delete files and folders in Linux.

How to delete all files and folders in linux.

Solution

cd Question-5

rm -rf *

Question

Question 6

There is a file and folder inside /home/labuser named ques6.txt & ques6 copy it inside the question-6 folder.                                              

You can search on the Internet for Linux commands. Example:

how to copy Files and Folder in Linux.

How to Copy multiple Files and folders in linux.

Solution

cp -R ques6 Question-6

cp ques6.txt Question-6

cd Question-6

ls

Question 7

So the Objective of this Question is you have to Go inside the Question-7 folder and rename demo.txt file and Demo folder.

You can search on the Internet for Linux commands. Example:

how to rename files and folder in Linux.

Solution

cd Question-7

mv demo.txt done.txt

mv demo done

ls

Question 8

So the Objective of this Question is you have to Go inside the Question-8 folder and read '-' named file.

You can search on the Internet for Linux commands. Example:

how to read special character named files in Linux.

Solution

cd Question-8

cat ./-

Question 9

So the Objective of this Question is you have to decompress the file named demo.zip

Note:You have to make a temporary folder in /tmp/demo and copy demo.zip file there to decompress it.

You can search on the Internet for Linux commands. Example:

how to decompress file in Linux.

how to unzip file in Linux.

Solution

cd Question-9

mkdir /home/labuser/tmp/demo

cp demo.zip /home/labuser/tmp/demo.zip

cd /home/labuser/tmp/demo

unzip demo.zip

cat solved.txt

Question 10

So the Objective of this Question is you have to Go inside the Question-10 folder, list all the files, and check their file size, you will find a file with an exact 35 bytes size read it.

You can search on the Internet for Linux commands. Example:

how to check file size in Linux.

Solution

cd Question-10

ls -al

cat test6

Question 11

There is a text file inside Question-11 Folder, that has a password but you need to print the only unique line which consists of the password.

You can search on the Internet for Linux commands. Example:

how to print unique data of file in Linux.

Solution

cd Question-11

uniq demo.txt

Question 12

Go inside the Question-12 Folder, which has multiple files with the same name but different file types. Try to find the file type of all files and read their data.

You can search on the Internet for Linux commands. Example:

how to check file type in Linux.

Solution

cd Question-12

file *

cat demo5

Question 13

There is a file which is located in a folder named Question-13 but the folder is somewhere on the whole server, do something to find that folder and read the file.

You can search on the Internet for Linux commands. Example:

how to find folder and files in Linux.

Solution

find / -name "Question-13" 2>&1

cd /opt/Question-13

cat solved.txt

Question 14

Go inside the Question-14 folder. but this time we encrypted the data in base64 encryption, do something to decrypt the data and print the output.

You can search on the Internet for Linux commands. Example:

how to decode base64 data in Linux.

Solution

cd Question-14

cat encrypteddemo.txt |base64 -d

Question 15

As you already know some of the basic Linux commands and their usage it's time for a quick logical Challenge before finishing this lab.

The goal is to find a folder named finalchallenge somewhere in the whole server and have to read its data.

Note:this challenge is not that easy as it looks like different file types, encryptions etc can be there.

Good Luck For this Challenge.

Solution

Try Harder!

Previous

Finish

LINK FOR THE LAB -  Cyber Security Virtual Experience Program By UpgradeMore