Introduction to Linux

Objectives

• Create and manipulate folders and files

• Create and manage permissions, security, and services

• Some helpful commands

Create and manipulate folders and files

ls

mkdir

cd

touch

git

nano

vim

cp

mv

cat

echo

>

|

rm

curl

wget

tar

unzip

dtrx

Create and manage permissions, security, and services

chmod

chown

whoami

adduser

usermod

su

ssh

• Disable ssh login for root user

ssh-keygen

ufw

systemctl

Some helpful commands

sudo !!

netstat -tulpn

df -h --total