Apt error

[yakult]

sly@sly-desktop:~$ sudo apt-get install install_flash_player_10_linux.tar.gz Reading package lists... Done Building dependency tree... Done E: Couldn't find package install_flash_player_10_linux.tar.gz TAKE MY USER?

[yakult]

sly@sly-desktop:~$ sudo apt-get install firefox-21.0.tar.bz2 Reading package lists... Done Building dependency tree... Done E: Couldn't find package firefox-21.0.tar.bz2 Sure that is correct!

[2F4U]

This is not the right way to install:

http://ubuntuforums.org/showthread.php?t=1550479
http://www.cyberciti.biz/tips/linux-install-flash-player-10.html