how to install a deb fo;e code example
Example 1: instal .deb ubuntu
sudo dpkg -i package_file.deb
Example 2: install .deb files in terminal linux
sudo dpkg -i /path/to/deb/file
sudo apt-get install -f
sudo dpkg -i package_file.deb
sudo dpkg -i /path/to/deb/file
sudo apt-get install -f