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Standard Version:

When I download the player without the debugger from here and place the file into the ~/.mozzila/plugins/ directory the player works fine.

Debugger version:
But when I download the plugin from:
(Download the Linux Flash Player 11.1 Plugin content debugger (TAR.GZ, 6.86MB)) The player is not working.

I need to know how to install the debugger version.

System info:

Linux mashine 3.0.0-15-generic #26-Ubuntu SMP Fri Jan 20 17:23:00 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

Browser info:

/usr/lib/firefox-9.0.1/firefox: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.15, stripped

I set up a virtual mashine with ubuntu 11.10 32bit version and the flash player with debugger works fine. So it's a problem related to the 64 bit version.

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up vote 4 down vote accepted

From that link you showed us, it seems that those debuggers are only 32 bit binaries.
Adobe Flash Player 11.1 — 32 bit Debugger (aka debug players or content debuggers) and Standalone (aka Projectors) Players for Flex and Flash developers

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If you want to use the debugger version which 32-bit only you will need nspluginwrapper. In a terminal enter these commands but first make sure a version of adobe flash is not installed on your computer

wget -O ~/Downloads/flash-debugger.tar.gz 
sudo tar zxfv ~/Downloads/flash-debugger.tar.gz -C /
sudo mv /usr/lib/mozilla/plugins
nspluginwrapper -v -a -i

Otherwise just install 64-bit flash without debug

sudo apt-get install adobe-flashplugin
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If you get errors about a missing libssl then install ia32-libs. I found that out the hard way. :P – JoshuaRogers Apr 26 '12 at 15:37
THANK YOU! I spent several frustrating hours on this answer... it is now working. +100 if I could. – Russ Aug 1 '12 at 18:42
Worked like a charm. Thanks! – Igor May 7 '13 at 14:10

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