Renable NPAPI Plugin Support in Firefox 52
Google Chrome ditched NPAPI support back in 2014 (and the version of Flash that ships pre-bundled uses the newer PPAPI tech).īut it is in Firefox 52, with Mozilla’s first step towards total removal of the technology from its browser, that is likely to impact Linux users the most. Whatever bonuses these plugins, Flash, Silverlight and Java among them, offered have been long since outweighed by the inherent security flaws manipulated to malicious ends. This is a good move in the round as NPAPI is a terribly outdated technology (over 20 years old, in fact). You should now see Java Plug-in 1.x.x enabled.Firefox 52 began its roll out yesterday, bringing a bunch of small iterative improvements to the fore.Īmong the most significant change in the release is the decision to disable support for all NPAPI plugins bar Adobe Flash by default. Start Firefox and validate by going to Tools > Addons > Plugins. Be sure you’re in lib64!Ĭreate symbolic link to the plugin: ln -fs /usr/java/jre1.7.0_21/lib/amd64/libnpjp2.so libnpjp2.so There is also a /usr/lib/mozilla/plugins directory. | grep libnpjpįor me, that returned: /usr/java/jre1.7.0_21/lib/amd64/libnpjp2.soĬhange to directory for Firefox plugins: cd /usr/lib64/mozilla/pluginsīe careful. rm -rf /home/basejump/Downloads/jre-7u21-linux-圆4.rpmįrom the /usr/java directory, Find the Firefox plugin (which gets installed with java): find. mkdir /usr/javaĮxecute rpm on the Java RPM you just downloaded… rpm -ivh /home/basejump/Downloads/jre-7u21-linux-圆4.rpmĭelete the original RPM you don’t need that anymore. This procedure only works with the version you download from Oracle it will not work with the OpenJDK version of Java you’ll have when using the ‘yum install java’ command.ĭownload Linux 圆4 RPM from Oracle's Java Downloads for All Operating Systems page.Ĭhange to root user and enter password. Java must be installed on the system first. This is not a descriptive tutorial it’s just quick notes, so you may have to do a little reading between the lines. So, I’m recording what worked for when I have to do it again. The procedure wasn’t too bad, but it wasn’t exactly straight-forward either. Today, I had to install the Java plugin for 64bit Firefox on CentOS 6.4. Install the Java Plugin for 64bit Firefox on CentOS 6.4
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