Sometimes when you are using the apt-get command to install updates you can get errors when installing a deb package. This is easily remedied by using the -f parameter to the apt-get install command.
Use it like this:
homer@lollinux-machina:~$ sudo apt-get -f install
This will run the installation of the packages again and fix the dependency issues. This is a very useful command to know about when you are using a Debian based Linux system.
The apt-get remove command will remove a package.
homer@lollinux-machina:~$ apt-get remove xterm
And this command will completely remove a package and the configuration files. This is good if you no longer want the package installed.
homer@lollinux-machina:~$ apt-get --purge remove xterm
if you just want to download a package and not install it then use this command. This will download the file to the current directory.
homer@lollinux-machina:~/apt$ sudo apt-get download beep [sudo] password for homer: Get:1 http://au.archive.ubuntu.com/ubuntu/ trusty/universe beep amd64 1.3-3 [24.4 kB] Fetched 24.4 kB in 0s (64.2 kB/s)
And here is the file in the current directory.
homer@lollinux-machina:~/apt$ ls beep_1.3-3_amd64.deb
If you want to install this package, just use the dpkg -i command.
homer@lollinux-machina:~/apt$ sudo dpkg -i beep_1.3-3_amd64.deb Selecting previously unselected package beep. (Reading database ... 247003 files and directories currently installed.) Unpacking beep (from beep_1.3-3_amd64.deb) ... Setting up beep (1.3-3) ... Processing triggers for man-db ...