boot        500mb   ext4
root        1.9gb   ext4
swap        448mb   swap area
home        973mb   ext4
var         584mb   ext4
srv         584mb   ext4
tmp         584mb   ext4
var-log     779mb   ext4

su -
apt-get update -y
apt-get upgrade -y
apt-get install sudo -y

usermod -aG sudo dapaulin
getent group sudo

apt-get install git wget -y
wget https://raw.githubusercontent.com/ThreeDP/Born2BeRoot/main/sudo_config.sh
chmod 744 sudo_config.sh
./sudo_config.sh

sudo aa-status  //apparmor status

sudo apt-get update -y 
sudo apt-get upgrade -y
sudo apt-get install ufw -y
sudo ufw enable
sudo ufw status verbose

sudo ufw allow 4242 // alow port
sudo ufw delete <action> <port> // delete port
sudo ufw delete <number> // delete port position

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install openssh-server -y
sudo systemctl status ssh

sudo wget https://raw.githubusercontent.com/ThreeDP/Born2BeRoot/main/ssh_config.sh
sudo chmod 744 ssh_config.sh
sudo ./ssh_config.sh

sudo apt-get install net-tools -y
ifconfig -a

route -n

sudo vim /etc/network/interfaces
// alter in the file
# The primary network interface IPv
allow-hotplug <network interface>
iface <network interface> inet static
    address <IP address>
    netmask <netmask>
    gateway <gateway>
# the primary network interface IPv6
iface <network interface> inet6 auto

sudo systemctl reboot

# The primary network interface IPv
allow-hotplug enp0s3
iface enp0s3 inet static
    address 10.11.200.247
    netmask 255.255.0.0
    gateway 10.11.254.254
# the primary network interface IPv6
iface enp0s3 inet6 auto

ssh <server-user>@<server IP address> -p <ssh-port>
exit

sudo apt-get install libpam-pwquality - y
sudo wget https://raw.githubusercontent.com/ThreeDP/Born2BeRoot/main/pass_config.sh
sudo chmod 744 pass_config.sh
sudo ./pass_config.sh
sudo passwd dapaulin
sudo passwd root

1234
U1234
G0123456789
G01TY0967WR
Goooogle1997
dapaulin1997D
42Davy42$1997   // root

Born2BeRoot97   // dapaulin

// Change hostname and view new hostname
sudo hostnamectl set-hostname <new_hostname>
hostnamectl status

// User admin
useradd : create new user
usermod : change user params
    -l for username,
    -c for full name,
    -g for groups
userdel -r : deletes a user and all associated files.
id -u : display user ID
users : shows users list

// groups admin
groupadd : creates a new group.
gpasswd -a : adds a user to a group.
gpasswd -d : removes a user from a group.
groupdel : deletes a group.
groups : displays the groups of a user.
id -g : shows a user’s main group ID.
getent group : displays a list of all users in a group.

su -
cd /root/
wget https://raw.githubusercontent.com/ThreeDP/Born2BeRoot/main/monitoring.sh
chmod 777 monitoring.sh

su -
systemctl enable cron
apt-get install bc -y
echo -e '\n*/10 * * * * bash /root/monitoring.sh | wall' >> /var/spool/cron/crontabs/root
sed -i 's/\*\/10 \* \* \* \*/\*\/10 \* \* \*/g' /var/spool/cron/crontabs/root