touch ~/.hushlogin

echo "alias ll='ls -la'" >> /etc/profile

mv /usr/bin/vi /usr/bin/vi.orig
echo "alias vi='/usr/bin/vim.tiny'" >> /etc/profile

echo "deb http://deb.debian.org/debian bookworm main non-free-firmware" >> /etc/apt/sources.list
apt update

=====
Default runlevel:

systemctl get-default 

Runlevel 3:
systemctl set-default multi-user.target 

Runlevel 5:
systemctl set-default graphical.target

=====
Static IP networkd:

/etc/network/interfaces

#iface enp0s3 inet dhcp       
iface enp0s3 inet static      
        address 192.168.1.46  
        netmask 255.255.255.0 
        gateway 192.168.1.1   
        dns	8.8.8.8
        dns	192.168.1.1
#--------------------
mkdir -p /etc/systemd/network

vi /etc/systemd/network/70-static.network

[Match]
Name=enp0s3

[Network]
Address=192.168.1.46/24
Gateway=192.168.1.1
DNS=8.8.8.8
DNS=192.168.1.1

systemctl enable systemd-networkd
systemctl restart systemd-networkd


static IP nmcli
nmcli connection show
 
nmcli con mod netplan-enp0s3 ipv4.addresses 192.168.1.42/24
nmcli con mod netplan-enp0s3 ipv4.gateway 192.168.1.1
nmcli con mod netplan-enp0s3 ipv4.dns "8.8.8.8"
nmcli con mod netplan-enp0s3 ipv4.method manual