Ubuntu after install

lsb_release -a

sudo -i

sudo hostname

sudo hostname s35.ntkhost.com

sudo hostname

hostnamectl

hostnamectl set-hostname s35.ntkhost.com

hostnamectl

sudo apt update

sudo apt upgrade -y

sudo apt-get dist-upgrade -u

$ sudo nano /etc/ssh/sshd_config

PermitRootLogin yes

systemctl restart sshd

sudo passwd -u root

sudo passwd root

$Disable =>> sudo passwd -l root

history -c

history -w