Adobe Flash Player freezes constantly on my Ubuntu installation, sometimes crashing Firefox. Most of the time though, Firefox freezes for about a minute (the window gets darker) and “recovers”, but is still not playing Flash content or Youtube videos.
Flash installation through Ubuntu Software Center fails
Installing and uninstalling flashplugin-installer from the Software Centre didn’t work on my Ubuntu installation. Same result using Synaptic an repositories. Same problem trying out the two Free Software alternatives for Adobe Flash Player: Gnash and Lightspark. Lightspark fails absolutely and Gnash was able to play some flash content, but isn’t good enough yet.
The solution: download and install Flash directly from Adobe
Adobe Flash Player 11.2 is the last version for Linux, the development of newer versions has been discontinued – security fixes will be provided though. Download Flash Player for any Linux distributions (Ubuntu apt, yum, tar or rpm!) from the official Adobe servers. Download the tar.gz archive, open it with the Archive Manager. Unpack and copy libflashplayer.so to the plugins directory of Firefox.
Where the hell is the plugin directory for Firefox?
The path of the plugins directory for Firefox on Ubuntu is /usr/lib/mozilla/plugins. Copying to ~/.mozilla/plugins didn’t work for me. Any other folder within ~/.mozilla didn’t work either.
Restart Firefox. Test if Flash works here. Voilà !
Other Linux Distributions
This installation method works for any Linux distros, including Linux Mint, Debian, OpenSuse, Mageia, Fedora, CentOS, RHEL …
By Johannes Eva, September 2013 – February 2018