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sudo nano ~/.bashrc

#force_color_prompt=yes
to be:
force_color_prompt=yes

source ~/.bashrc

sudo apt install ufw -y

sudo ufw default deny incoming
sudo ufw default allow outgoing

sudo ufw allow ssh
sudo ufw allow 22

sudo ufw allow http
sudo ufw allow 80
sudo ufw allow https
sudo ufw allow 443

sudo ufw enable