how to install a app from .deb file in ubuntu code example
Example 1: install deb file
sudo dpkg -i /path/to/deb/file
sudo apt-get install -f
Example 2: install .deb file in ubuntu
sudo dpkg -i package_file.deb
sudo dpkg -i /path/to/deb/file
sudo apt-get install -f
sudo dpkg -i package_file.deb