instalar o ficheiro deb
sudo dpkg -i /path/to/deb/file
sudo apt-get install -f
instal .deb ubuntu
sudo dpkg -i package_file.deb
instalar o deb do ubuntu
#install downloaded .deb
sudo dpkg -i /path/name.deb
#install packages
sudo apt install package_name
instalar *.ficheiro deb no ubuntu
Install a downloaded program in Ubuntu - Linux
sudo dpkg -i package_file.deb
//or
sudo apt install path_to_deb_file