Wichtige Mac Terminal commands:

Alle text files zusammenführen:

$ for i in *.md; do echo ${i}>>test.txt;cat ${i} >>test.txt; done

Alle files durchgehen und text string ersetzen:

$ perl -pi -w -e ‘s/3AE51/3AE53/g’ ./*.xml

or:

$ find . -name ‘*.eml’ -print0 | xargs -0 sed -i “” “s/Sender: reis24exporter@gmail.com/Sender: noreply@reis24exporter.tscharf.com/g”

Scann for ip addresses used:

$ for ip in $(seq 1 254); do ping -c 1 141.23.176.$ip -W 1; done

Find local PC’s in network:

$ arp -a

Listening for open connections:

$ lsof -i | grep -E “(LISTEN|ESTABLISHED)” | awk ‘{print $1, $8, $9}’

Terminal MAC Adresse ändern / Change MAC address :

$ ifconfig en0 | grep ether

$ sudo ifconfig en0 lladdr 58:e2:8f:36:ba:f

Setup a easy server(everything what you typ will be send to the client):

->Server Terminal:

$ nc -lk 9999

->Client Terminal:

$ curl localhost:9999

Convert Videos .MOV to .AVI :

$ ffmpeg -i movie.mov -acodec copy -vcodec copy movie.avi

Export all pictures from a video :

$ ffmpeg -i Video.mpg Pictures%d.jpg

Server established:

Now all the connections coming to our server on port 8080 will be automatically redirected to 192.168.1.200 server on port 80. But since we are using a pipe, data can only be transferred & to be able to receive the data back, we need to create a two way pipe. Use the following commands to do so:

$ mkfifo 2way

$ ncat -l 8080 0<2way | ncat 192.168.1.200 80 1>2way

->Create a Backdoor for your system on Port 10000:

$ ncat -l 10000 -e /bin/bash

Netcat for more clients:

$ while true; do echo ‘Welcome and Welcome to the example’;done | ncat -l -v -k -p 8380

Disable gatekeeper/app certificate:

$ sudo spctl — master-enable

Convert all pdf to png in folder:

$ for i in *.pdf; do name=$i;name=${name%.*};convert -density 300 $i -background white -alpha remove -alpha off ${name}.png;done

Convert first page of pdf to png in folder:

$ for i in *.pdf; do name=$i;name=${name%.*};echo $name’.pdf[0]’;convert -density 300 $name’.pdf[0]’ -background white -alpha remove -alpha off ${name}.png;done

Convert all page of pdf to png in folder:

$ for i in {1..1900}; do echo $i;done

Auflistung aller offenen Verbindungen:

$ lsof -i -P | grep ESTABLISHED

Check time on server:

$ curl -I https://www.tixforgigs.com/de-de/Event/33295/bucht-der-traumer-2020-greenland-westufer-helenesee-frankfurt-oder | grep “^date”

Find all big files:

$ find / -xdev -type f -size +100M

cat peptides.txt | while read line

do

do something with $line here

done

Resize all images in a folder:

$ mogrify -resize 960 *.png

$ mogrify -resize 960x528 *.png

Freezing dependencies to txt file:

$ pip freeze > requirements.txt

Show biggest file:

$ ncdu