[Ubuntu] Accidentally "apt-get removed" a package

*Note: Related packages can be removed also.

1) Check what has(have) been removed from log:

sudo vim /var/log/apt/history.log

2) Download back the .deb file(s) with exactly the same package version, Ubuntu version and CPU model from web in another internet-connected computer. Upload them to the ill server('s desktop).

http://serverfault.com/questions/380856/how-to-undo-apt-get-remove

http://packages.ubuntu.com/

3) Install the .deb file(s) in LIFO seq. accd. to log using:

sudo dpkg -i the_deb_file_with_same_version_number_and_cpu_model.deb

4) Restart Ubuntu.

Check if it works or not.