Adobe flash player installation in ubuntu chromium browser

For Chromium browser versions greater than 34, to use flash one must install Pepper flash.

For Ubuntu 14.04 or newer, run

sudo apt-get install pepperflashplugin-nonfree
sudo update-pepperflashplugin-nonfree --status 
# to see what version of Pepper Flash you have installed.
sudo update-pepperflashplugin-nonfree --install
# If there is a newer version available

For old users, you can run the below commands to add the PPA and install Pepper flash in any Ubuntu version above 12.04

sudo apt-add-repository ppa:skunk/pepper-flash
sudo apt-get update
sudo apt-get install pepflashplugin-installer

To configure Chromium to use Pepper flash,

# open /etc/chromium-browser/default
. /usr/lib/pepflashplugin-installer/pepflashplayer.sh
# add the above line to the end of the file on a new line and save.

Close all windows and re-open.