Bash commands

gistfile1.txt

# Cat all files in current directory
find . -type f -exec cat {} +

# Sniff network
sudo tcpdump -Aq > logs.txt
tcpdump -i any -nn -s0 -A tcp port 80 | grep ...
# Sniff SMTP
tcpdump -i any -nn -s0 -A tcp port 25

# Find PID which uses port and kill it
sudo lsof -i :5432
kill -9 5432

# Send mail with Telnet
telnet server.smtp.fr 25
EHLO plop
mail from: toto@email.fr
rcpt to: titi@email.fr
data
Subject: plop
coucou
.
CTRL + D

CTRL + ALT GR + ] -> quit

# Zip folder with password
zip -e -r dest_zip_file.zip source_folder