Firefox

javaplugin

how to install the java-plugin to firefox...

get the firefox-plugin from sun/oracle: http://www.java.com/en/download/

extract the file:

chmod 755 /path/to/download/jre-6u24-linux-i586.rpm.bin
/path/to/download/jre-6u24-linux-i586.rpm.bin -x

depending on your package-manager convert to deb

alien --to-deb --scripts jre-6u24-linux-i586.rpm

install package

dpkg -i /path/to/download/jre_1.6.0-24-1_i386.deb

link to plugin-dir: x86

ln -sf /usr/java/jre1.6.0_24/lib/i386/libjavaplugin_jni.so /usr/lib/mozilla/plugins/
ln -sf /usr/java/jre1.6.0_24/lib/i386/libnpjp2.so /usr/lib/mozilla/plugins/

link to plugin-dir: x86_64

ln -fs /usr/java/jre1.6.0_24/lib/amd64/libnpjp2.so /usr/lib64/mozilla/plugins/; 
ln -fs /usr/java/jre1.6.0_24/lib/amd64/libjavaplugin_jni.so /usr/lib64/mozilla/plugins/;
ln -fs /usr/java/jre1.6.0_24/lib/amd64/libnpjp2.so /usr/lib64/mozilla/plugins-wrapped/; 
ln -fs /usr/java/jre1.6.0_24/lib/amd64/libjavaplugin_jni.so /usr/lib64/mozilla/plugins-wrapped/;

SPDY for firefox

spdy is a enhancement for http.
it's a protocol for tcp which is bigger, better and faster than http(s) ;-)
it's available for firefox since version 11, but default disabled...

can be enabled in about:config => see: Apache2#firefox