【Walkthrough】TryHackMe:Linux Fundamentals Part 2

概要

Task3

Q2.What directional arrow key would we use to navigate down the manual page?

A.down

Q3.What flag would we use to display the output in a "human-readable" way?

human-readableなどの文字列でmanコマンドの結果を抽出すると分かる。

$ man ls | grep "human-readable"
       -h, --human-readable

A.-h

Task4

Q1.How would you create the file named "newnote"?

Hint.Look at the answer formatting - we're not expecting quotation marks for this

A.touch newnote

Q2.On the deployable machine, what is the file type of "unknown1" in "tryhackme's" home directory?

fileコマンドで対象のファイルを確認します。

$ file unknown1 
unknown1: ASCII text

A.ASCII text

Q3.How would we move the file "myfile" to the directory "myfolder"

A.mv myfile myfolder

Q4.What are the contents of this file?

catコマンドで対象ファイルの中身を確認します。

$ cat ./myfolder/myfile 
THM{FILESYSTEM}

A.THM{FILESYSTEM}

Task5

Q1.On the deployable machine, who is the owner of "important"?

ls -lコマンドを使用し対象ファイルのオーナーを確認します。

$ ls -l
total 12
-rw-r--r-- 1 user2     user2       14 May  5  2021 important
drwxr-xr-x 2 tryhackme tryhackme 4096 Apr 15 13:08 myfolder
-rw-r--r-- 1 tryhackme tryhackme   17 May  4  2021 unknown1

A.user2

Q2.What would the command be to switch to the user "user2"?

A.su user2

Q4.Output the contents of "important", what is the flag?

su user2コマンドを使用しuser2にユーザー変更後、catコマンドを使用し対象ファイルの内容を確認します。

$ cat ./important 
THM{SU_USER2}

A.THM{SU_USER2}

Task6

Q2.What is the directory path that would we expect logs to be stored in?

A./var/log

Q3.What root directory is similar to how RAM on a computer works?

Hint.The contents of this root directory do not persist after reboot

A./tmp

Q4.Name the home directory of the root user

A./root