Mac os x mountain lion java 32 bit

Installing takes an hour or two, but then your computer will want to re-do the Spotlight index and back up to Time Machine. PowerPC-only programs on your computer will not run on Mountain Lion.

Install Java in OS X Mountain Lion

This generates a table of all applications on your computer. Click on the Kind column header to sort by kind of application.

Scroll down till you find the programs labeled PowerPC. Many of these programs are not problems: they are leftovers from old software installers or previous versions of software.

If you have questions, contact the manufacturer. Here is a partial list of minimum program versions needed for Mountain Lion. For other programs, check product websites.

L'aggiornamento Java per Lion

You will probably want to set up other customizations, such as your desktop background and screensaver. As a security measure, the plugin that allows Java applets to be used in web pages is uninstalled, to avoid attacks like the Flashback malware. If you understand the risks and wish to install a Java web plugin from Oracle, browse to a page that contains a Java applet, and click on the "missing plug-in" message to install the plugin. Mountain Lion was followed by the next version of OS X Fortunately, the problem is easily fixed.

A little background is important in understanding why these changes have been made. Apple has, for some time now, been trying to distance itself from Java. That strategy involved, among other things, no longer including Java as a part of the system by default, as Apple had done in Mac OS X Java has suffered from serious security vulnerabilities from time to time, and Apple has always been responsible for Java updates on the Mac, and those updates have typically been released at a bit of a delay after they are available to other systems. By handing sole responsibility for updates of Java 7 and up in the future to Oracle, and by removing Java as a part of the system in Lion and up, Apple increased the security of Mac OS X.

Unfortunately, they acted too late, and in February of , a new variant of the Flashback malware appeared that relied on Java vulnerabilities. All users of the versions of Java supplied by Apple were vulnerable. Lion users were safe unless they had installed Java, while all Snow Leopard users were fully vulnerable. Apple eventually managed to get a Java update out, but not until Flashback had infected more than , Macs and made international headlines.

As I mentioned earlier, Java can be a significant security risk. It has been used a lot recently as a method of installation by malware, such as Flashback, Tibet, Sabpab, Maljava, GetShell and Crisis.

Then, in late August of , another vulnerability surfaced and was exploited to install malware on Windows machines and, reportedly, on a few Macs. By not installing Java, or keeping it disabled, you are safe from the majority of the Mac malware that has appeared within , at the time of this writing.

If you have to use Java, or if you just really, really want to, there are two things you need to do. First, if you are using Lion or Mountain Lion, you need to install Java. One way of doing that is by opening any app that relies on Java. The easiest way of doing that is to go to the Utilities folder, which is in the Applications folder, and open the Java Preferences app. Java 7 is available directly from Oracle , and because it is being actively updated by Oracle synchronously with Java for all other platforms, it is probably wiser to install that instead of relying on Java 6.

You must have JavaScript and cookies enabled in your browser or this process will fail. Open the. You can delete that. Once you have installed Java, or if you are using Snow Leopard or had Java installed previously, you have to enable it. Note that JavaScript is an entirely different, and unrelated, thing, despite the similarity of names.

Other browsers will hide this setting in other places. There are some things you can do to minimize the risks incurred by enabling Java. The easiest thing to do is to use a secondary browser for any sites you need to use that require Java. For example, if Safari is your preferred browser, keep Java turned off in Safari, but turn Java on in another browser, like Firefox. Then, use Firefox only for sites that you trust and that require Java.

For all other sites, use Safari. Of course, neither of these options are without flaws.


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Even a trusted site could be hacked. That is not a far-fetched idea; it happens all the time. Better would be to petition the sites you use that require Java to find a way do eliminate their reliance on Java. Java has been slowly falling out of fashion on the web, and with its history of security problems, the sooner it stops being used entirely, the better! On October 15, , Oracle finally fixed a vulnerability in Java that had been there for quite some time.

Even Java 5, which is quite old at this point, contained the vulnerability. The next day, Apple updated their version of Java 6, and yanked out the Java applet plug-in from Safari.

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If you absolutely must use Java in your web browser at this point, you will probably find it easiest to simply upgrade to Java 7. It seems all malware that is reported is gaining access through Java. Now this may seem like a silly question, but is this the only way that malware is gaining access on OS X? Obviously there are other means of getting infected from files, emails, downloads, etc. I run ClamXAV and scan periodically, and have never turned up anything. Having a fairly good handle on how to stay safe myself, I manage a few people who may not.

And downloading something and entering their password seems trivial to them.