Java runtime environment web browser

Web Browsers

Funtoo Linux offers a number of possibilities when it comes to Web browsers. This page is intended to give you an overview of what is available, their various trade-offs, and also provide tutorial-style instructions on how to set them up so they offer full functionality. Additionally, instructions are provided on how to set up the Oracle Java Runtime Environment for running Java applets.

Prerequisites

Before installing a Web browser, ensure that you have a functioning X environment or desktop environment set up.

Google Chrome (binary)

The Google Chrome (binary) ebuild is www-client/google-chrome. Google Chrome is a very good Web browser. This browser is a great option for those who want a full-featured browser up and running quickly without a lot of complication.

Advantages

• It’s very fast to install, because it does not need to be built from source.
• It includes support for Adobe Flash and PDF viewing built-in, which works right away with no additional configuration.
• It works well with PulseAudio with no additional configuration required.
• Overall, the browser looks fantastic and is very fast.

Disadvantages

• Included Flash does not support Amazon Video on Demand, which requires older DRM support. See Firefox as an option for this.
• It’s based on a binary for Debian systems, and sometimes depends on outdated versions of ebuilds to run.

Google Chrome Installation

As root, you first need to accept the Google Chrome license, as follows:

root # emerge google-chrome --autounmask-write 

Now, run etc-update and accept the changes made to /etc/portage/package.license. Now, emerge:

root # emerge -a google-chrome 

Now, edit /usr/share/applications/google-chrome.desktop

cd /usr/share/applications nano -w google-chome.desktop

Revise Exec=/usr/bin/google-chrome %U To be: Revise Exec=/usr/bin/google-chrome —no-sandbox %U Save the edited google-chrome.desktop Now, google-chrome launches from the menu.

Chromium

Chromium (www-client/chromium) is the from-source version of Google Chrome, and is a very good option for people who like Google Chrome but who want to build from source. Like most modern Web browsers, it does take a very long time to build — up to several hours on a dual-core system, and about an hour on a 4-6 core system.

After emerging, it requires a special helper package www-plugins/chrome-binary-plugins for PDF and widevine viewing support.

Advantages

• It is built from source, so it has fewer issues with dependencies than Google Chrome, yet it is very similar in functionality.
• It looks great, and works well.
• With an easy emerge of www-plugins/chrome-binary-plugins, it provides identical functionality to Chrome in regards to PDF and widevine support.
• Netflix now works out of the box.
• A separate merge of www-plugins/adobe-flash is required for Adobe Flash support.

Disadvantages

• It takes a very long time to build, even on a modern system, so be prepared to wait. Even if it’s building from sources, chromium build system does not provide ability to compile all features, enabled in pre-built package.

Installing Chromium

Okay, now it’s time to emerge Chromium:

root # emerge -a www-client/chromium 

This will take a long time to complete. After you’re done, emerge Chrome helper programs to enable Adobe Flash and PDF viewing support. First, review and accept the license:

root # emerge www-plugins/chrome-binary-plugins --autounmask-write 

Now, run etc-update and accept the changes that it made to /etc/portage/package.license. Now, emerge the plugins for real:

root # emerge www-plugins/chrome-binary-plugins 

Making Chromium Look Sexier

If you like the default «blue» look of Chrome, and want Chromium to look like that, go to the hamburger («3 bar») menu in the upper right, go to Settings, and under Appearance, click Use Classic theme. Flash some gang signs to imaginary onlookers, and you are done.

Firefox (binary)

The Firefox binary Web browser, www-client/firefox-bin is another good option. It is more feature-rich as opposed to the «lean and mean» Chrome/Chromium.

Advantages

• Firefox is a great, full-featured Web browser.
• It is quick to install, because it is a binary.
• Can easily be made to support Amazon Video on Demand (Amazon Prime.)

Disadvantages

• It works well with ALSA by default, but requires tweaks to get working with PulseAudio.
• A separate merge of www-plugins/adobe-flash is required for Adobe Flash support.

Installing Firefox

First, emerge Firefox itself. This is quick:

root # emerge www-client/firefox-bin 

By default, Firefox does not support Adobe Flash. Let’s fix this:

root # emerge www-plugins/adobe-flash --autounmask-write 

Now, run etc-update and accept the changes that Portage made to /etc/portage/package.license. Now, let’s get Flash installed:

root # emerge www-plugins/adobe-flash 

To support Amazon Video on Demand, the following package needs to be installed:

root # emerge media-libs/hal-flash 

Firefox and Audio

This doesn’t seem to be required anymore with Firefox and recent versions of PulseAudio, which can use an ALSA sink to funnel audio automagically into PulseAudio.

By default, Firefox will try to use an ALSA device for audio. To get Firefox to use PulseAudio, create an .asoundrc file in your Firefox user’s home directory that looks like this:

This will route ALSA to PulseAudio by default — I believe you may need to restart your X session to get these changes to apply.

I also recommend emerging media-sound/pavucontrol — the PulseAudio Volume Control app. Some casual tweaking in here to set the output device for Firefox should result in audio working for you.

Firefox and gstreamer

Firefox-bin is currently compiled against gstreamer 0.10.x so if you wish to use sites like soundcloud or bandcamp without flash then you will need to have media-libs/gst-plugins-good, media-libs/gst-plugins-bad, media-libs/gst-plugins-ugly, media-plugins/gst-plugins-ffmpeg and media-plugins/gst-plugins-mad installed (version 0.10.x for all). If you are compiling firefox yourself (non -bin version) then gst-plugins 1.x versions can be used to build against.

Watching videos with embedded mpv

Mpv can be used as an embedded media player inside firefox. See mozplugger for more information.

Oracle Java Runtime Environment

Enabling a Java Runtime Environment isn’t a must-have for everyone, but it’s nice to have installed in case you need it. And some of us have a need to run a Java app now and again, so let’s look at getting it installed. It’s quite easy to get going. Now, let’s emerge the Oracle JRE:

Please ensure that the nsplugin USE flag is enabled when you run emerge, below. This enables the Web browser plugin.

root # emerge -a dev-java/oracle-jre-bin

The Oracle JRE is now installed.

Running Java Applets

If your Web browser prompts you for an application to run .jnlp files, instruct it to use /opt/oracle-jre-bin-1.7.0.51/bin/javaws (also known as «Java Web Start».) You can also use javaws to run .jnlp files from an xterm.

Java and Security

Starting with Oracle JRE 1.7.0.51 and higher, Java has enhanced security settings and may refuse to run some Java applets. Normally, this is fine and good, unless you absolutely need to run an app and Java is refusing to run it. To get around this, open up an xterm as your browser user and go to the Java bin dir, and run ControlPanel as follows:

user $ cd /opt/oracle-jre-bin-1.7.0.51/bin user $ ./ControlPanel 

Now, go to the Security tab and click the Edit Site List. button. Add a URL for the site from which you are downloading the Java Applet. Now click OK and save your changes, and try running the Java applet again. It should now be allowed to run.

«Java Not Allowed» in Chrome-Based Browsers

If you load a Web page with a Java applet on it, you may see a Java logo with text underneath that says «Java not allowed». To resolve this issue, visit the following URL in your browser:

This will display a list of all plugins enabled in Chrome. You should see a plugin called something like this:

Next Generation Java Plug-in 10.45.2 for Mozilla browsers

Check the «Always Enable» checkbox and then reload the page with the Java applet, and it should load properly.

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Install or update Java Runtime Environment and enable Java Plugin

NOTE: Users should consult with their local IT support provider before installing or upgrading Java. Local applications may require specific Java versions.

Step One: Install or upgrade Java

Step Two: Verify that java is enabled in your web browser

• Enable java plugin in your web browser
• After installing or upgrading Java, completely quit, then relaunch the web browser.
• Clear the browser cache.

Mac OS 10.7 and higher

NOTE: Users should consult with their local IT support provider before installing or upgrading Java. Local applications may require specific Java versions.

Step One: Upgrade your java version

Step Two: Verify that java is enabled in your web browser

• Enable java plugin in your web browser
• After installing or upgrading Java, completely quit, then relaunch the web browser.
• Clear the browser cache.
• On Macintosh Google Chrome is incompatible with most Java web applications and web pages that use a Java applet, due to the fact that the Java plugin is 64-bit and Google Chrome is 32-bit.

Mac OS 10.6

NOTE: Users should consult with their local IT support provider before installing or upgrading Java. Local applications may require specific Java versions.

Awareness: Java 6 is no longer receiving security updates from Apple.

• If you are unable to upgrade your operating system and have applications that require Java, Java 6 is packaged with the Macintosh operating system. Java 7 is available only for Mac OS 10.7 and higher.
• Use Apple’s Software Update to upgrade to Java 6 update 45.
• Apple has not released security fixes for Java 6 update 45 and known security issues exist.
• Apple’s recommendation is to upgrade your operating system, then install Java 7.

Verify that java is enabled in your web browser

• Enable java plugin in your web browser
• After installing or upgrading Java, completely quit, then relaunch the web browser.
• Clear the browser cache.

Linux

Step One: Install or upgrade Java

Step Two: Verify that java is enabled in your web browser

Firefox

• Firefox 2.0 or later is supported
• If needed, enable java plugin for Firefox
• After installing or upgrading Java, quit then relaunch Firefox.

If needed, clear browser cache, clear Java cache

• Clear the browser cache
• Clear the Java cache
• Close all browser windows and quit or exit the browser. Then relaunch the browser and try again to access the site.

If you no longer need Java, uninstall it

Contact the Help Desk for assistance

See also

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