2.6.26-2-amd64, собирал из исходников релиза
$ ./configure && make
$ su
# checkinstall && dpkg -i mozilla_2.0-1_amd64.deb
# file /opt/firefox/bin/firefox
/opt/firefox/bin/firefox: symbolic link to `/opt/firefox/lib/firefox-4.0/firefox'
# file /opt/firefox/lib/firefox-4.0/firefox
/opt/firefox/lib/firefox-4.0/firefox: POSIX shell script text executable
# grep --max-count=1 moz_libdir /opt/firefox/lib/firefox-4.0/firefox
moz_libdir=/opt/firefox/lib/firefox-4.0
Upgrade to Flash Player 10 for improved playback performance. Upgrade Now or More Info.
иду по ссылке на http://www.adobe.com, наблюдаю как-раз для меня
64-bit users: Download a preview release of Flash Player with native support for 64-bit Linux from Adobe Labs.
тыкаюсь по ссылкам, нахожу Download plug-in for 64-bit Linux, вроде самое оно
$ tar -xzf flashplayer10_2_p3_64bit_linux_111710.tar.gz
$ file libflashplayer.so
libflashplayer.so: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, stripped
$ su
# mv libflashplayer.so /opt/firefox/lib/firefox-4.0/
заглядываю в about:plugins и в самом конце списка наблюдаю вожделенный плагин
Shockwave Flash
File: libflashplayer.so
Version:
Shockwave Flash 10.3 d162
ЧЯДНТ?