Basic Linux Commands

linux commands

• on linux mint (ubuntu based. which is debian based)
• on kali gnome install:
• sudo apt update
• sudo apt install stacer -y
• a thing
• whoami man clear ctrl l ctrl alt l pwd ls
• cd ~ or cd /
• rm -ri
• cd ../..
• mkdir
• touch (files)
• rmdir
• rm -r
• ls zoo
• xdg-open .
• mv
• mv journal.txt journal_pro.txt
• mkdir Stuff, mv pie cake cookie Stuff
• cp -r (recursively)
• xdg-open (src) (dst)
• head tail -n
• date > (overwrite) » (append)
• cat (concatanate and useful alongside » (append) -n number
• less file( like man interface) with “/”(search smtg)
• echo “hi” [echo “testing echo” » echoo.txt] cat echoo.txt

• wc word count

• piping

  redirects first command (output) as an input for second command ie; ls -l

  wc in this case ls -l is input 2nd command is wc

• sort

• uniq (used with sort) (piping) sort favFlavors.txt

  uniq

• or sort -u favFlavors.txt

• or sort favFlavors.txt

  uniq -d (duplicate)

• or sort favFlavors.txt

  uniq -c

  (count) sort -nr numb rvrs

• echo $PATH / echo $USER
• echo *.txt (path) / echo *.?? (?? can be .txt or whtvr like .py
• ls -l *.txt
• echo {a,b,c}.txt
• echo {a..z} prints a-z same with 1..100
• touch cow{1..4}.txt
• EXPANSIONS ^^^^
• diff -y or -u favFlavours1.txt favFlavours2.txt
• 24a25 append change delete
• find . -name ‘.py’
• grep -n
• du disk usage
• df disk info
• history
• ps process status
• top

• kill -l

  less 15,9 kill -9 pid kill -15 pid

• killall -9 node
• jobs bg fg
• gzip -k keep the ori file
• gzip -d file (decompress)
• gunzip (unzip)
• tar (archive)
• tar -cf archive.tar file1 file2 file3 [NOT COMPRESSED]
• tar -tf archive.tar (view files but not unzipping them)
• tar -xf archive.tar (unzipping) xtract
• tar -czf bundle.tar file1 file2 file3 (zip n archived)
• nano file
• ctrl k and u
• alias myls=’ls -la’ [non permanent]
• store in .bashrc if want permanent

• xargs [cat deadPlayers.txt

  xargs rm]

• ln (link) a shortcut like a portal
• ln -s softlink.txt symlink.txt when ori is deleted, copy is ded
• who to see who is loged in
• su sudo
• passwd
• chown change own
• sudo chown colt Music
• regular file
• d directory
• l link
• c char special file
• rw- owner
• rw- group
• r– world
• read write execute
• chmod [ chmod mode file ] [chmod g+w file.txt [a-w a+rwx a=r]
• ip a

Kali update commands

• sudo apt-get update && apt-get upgrade

• apt install python-pip

• cd /opt ( place for downloads )
• git clone https://github.com/Dewalt-arch/pimpmykali.git
• cd /opt/pimpmykali
• ls
• ./pimpmykali.sh
• apt update && apt install mysql*
• tar filename
• tar -xf filename
• ```

• ./start-tor-browser.desktop –register-app

• ./start filename

More Kali Commands

• ifconfig
• cat /etc/shadow [important. why]
• sudo su
• locate [locate bash]
• updatedb
• /tmp/ [quite useful when pentesting cus temp folder]
• chmod 777 hello.txt [(all permissions]
• adduser john
• /etc/passwd
• [use hashcat] [go /etc/shadow file to crack the encrypted john passwd]
• su john[ssd]
• iwconfig [wireless adapter]
• ping ip
• arp -a
• netstat -ano [to see what’s talking, to see if a machine is talking to smtg else, is it talking on smtg on a port]
• route [routing table] [it tells where our traffic exits, the gateway is the place that it exits]
• ip a
• ip n [neighbour, arp]
• ip r
• apt update && apt upgrade [to update system. archive.linux is repository]
• apt install python-pip [pip for python] [pip and pip3]
• [install smtg on github] go cd /opt for downloads and stuff here, git clone ctrl shift v
• [how to run smtg?] ./ [pimpmykali.sh]

19/5 steganography

• binwalk
• exiftool-
• exiftool
• cd exiftool
• ./exiftool /home/ladder/cat2.jpg
• jsteg
• steghide