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I'm a casual Linux user and recently Firefox started sending me a bunch of vulnerability warnings (as in, even more than anything I had experienced before) regarding my current Java version (8u45), which led me to my issue at hand.

First, I tried using this method: HowTo: Upgrade java on Ubuntu 14.04 LTS? but it didn't work. Even after uninstalling Java 8 completely and installing it again from scratch ended at the same version as before (8u45).

Then I went to the Java website and downloaded the .tar directly from there. But even after following the instructions, nothing seemed to happen.

So, what now? Do I keep using my current version and ignore the dozens of warnings Firefox is giving me? Is there something else I can try? Or am I locked out of anything Java related for god knows how long?

2 Answers 2

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The WebUpd8 PPA is not updated any more.

You can update java to 8u51 using a script.

sudo apt-get install git curl
git clone https://github.com/hanipouspilot/oracle-java8.git
sudo sh oracle-java8/javains

This is only for 64-bit Ubuntu.

The problem is that Oracle changes links used in this script and I do not guarantee that I will update the script for the future updates. But I probably will if there is no a better solution.

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  • Running sudo sh oracle-java8/javains results in oracle-java8/javains: 5: oracle-java8/javains: curl: not found
    – alkamid
    Jul 31, 2015 at 18:47
  • I updated the answer. Run sudo apt-get install curl and try again to run the script.
    – Pilot6
    Jul 31, 2015 at 18:54
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to confirm that your java version is configured correctly, look here but ignore the R config.

for assistance with the FireFox plugin have a look at this post

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