How to install Adobe Flash player on Ubuntu 18.04
 How to install Adobe Flash player on Ubuntu 18.04   Since the latest flash plugin resides in the Canonical repository and is by default disabled,   we need to enable the repository prior to installing the plugin.  Step 1 – Enable Canonical Repository  To accomplish this, run the command below   ***** add-apt-repository "deb http://archive.canonical.com/ $(lsb_release -sc)  partner"   Step 2 – Update the system  Next, update the system  ***** sudo apt-get update  Step 3 – Install Adobe Flash Player  Install Adobe Flash Plugin from terminal  ***** apt install adobe-flashplugin browser-plugin-freshplayer-pepperflash    Restart your Firefox browser and go to  http://isflashinstalled.com   You'll see a webpage as