Ubuntu --- install deb package

Installed in Ubuntu deb packages need to use dpkg command. 
Dpkg ordinary usage: 
1, sudo dpkg -i <package.deb> 
install a Debian package, if you manually download files. 
2, sudo dpkg -c <package.deb> 
listed <package.deb> content. 
3, sudo dpkg -I <package.deb> 
extract information from the parcel <package.deb> in. 
4, sudo dpkg -r <package> 
to remove an installed package. 
5, sudo dpkg -P <package> 
completely remove an installed package. And remove the difference is, remove just delete the data and executables, purge also deletes all configuration files. 
6, sudo dpkg -L <package> 
list file list <package> installed all. See dpkg -c at the same time to examine the contents of a .deb file. 
7, sudo dpkg -s <package> 
show information package installed. At the same time see the apt-cache show package information Debian archive and dpkg -I displays package information extracted from a .deb file. 
8, sudo dpkg-reconfigure <package >

If a problem occurs during installation, you can use the command: 
sudo APT-GET Update 
Update and then execute the above command.