Install JAVA manually in UBUNTU

Installing Oracle JDK

First download the tar file of java version u required. Follow I downloaded 1.7

You will need sudo privileges to perform this task:

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        sudo su

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Ubuntu 12.04 proxy bypass

In Ubuntu 12.04 there isn't a proxy bypassing (proxy ignoring) option in Network. If you go to your PC dash home and open Network, then you can see there is no any option for do that.