Install Oracle Java 7 in Elementary OS ‘Luna’ Via PPA ================================================================================ **Question**: How can I install Oracle Java 7 in Elemetary OS Luna? **Answer**: To install Java 7 in Elementary OS Luna follow the steps below: Since Elementary OS is Ubuntu based we are at liberty to use **WEPUD8 PPA** which has various Java packages in it. 1. Open Terminal. 2. Run the command below to add Java PPA to your repository: $ sudo add-apt-repository ppa:webupd8team/java You are about to add the following PPA to your system: Oracle Java (JDK) Installer (automatically downloads and installs Oracle JDK6 / JDK7 / JDK8). There are no actual Java files in this PPA. More info: http://www.webupd8.org/2012/01/install-oracle-java-jdk-7-in-ubuntu-via.html Debian installation instructions: http://www.webupd8.org/2012/06/how-to-install-oracle-java-7-in-debian.html More info: https://launchpad.net/~webupd8team/+archive/java Press [ENTER] to continue or ctrl-c to cancel adding it 3. Press ENTER to continue gpg: keyring `/tmp/tmpB5WwDG/secring.gpg' created gpg: keyring `/tmp/tmpB5WwDG/pubring.gpg' created gpg: requesting key EEA14886 from hkp server keyserver.ubuntu.com gpg: /tmp/tmpB5WwDG/trustdb.gpg: trustdb created gpg: key EEA14886: public key "Launchpad VLC" imported gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1) OK 4. Now update your system $ sudo apt-get update 5. Install Java 7 by running the command below: $ sudo apt-get install oracle-java7-installer [sudo] password for enock: Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: gir1.2-gstreamer-0.10 libilmbase6 libmagickcore4 libmagickwand4 libcdt4 libmagickcore4-extra liblqr-1-0 imagemagick-common libpathplan4 libopenexr6 rsync netpbm libgvc5 libnetpbm10 libgraph4 Use 'apt-get autoremove' to remove them. The following extra packages will be installed: gsfonts-x11 java-common Suggested packages: default-jre equivs binfmt-support visualvm ttf-baekmuk ttf-unfonts ttf-unfonts-core ttf-kochi-gothic ttf-sazanami-gothic ttf-kochi-mincho ttf-sazanami-mincho ttf-arphic-uming The following NEW packages will be installed: gsfonts-x11 java-common oracle-java7-installer 0 upgraded, 3 newly installed, 0 to remove and 196 not upgraded. Need to get 88.5 kB of archives. After this operation, 473 kB of additional disk space will be used. Do you want to continue [Y/n]? 6. Type **Y** for Yes and Press enter to continue installation. 7. During the installation, you need to agree to the license to continue. Select **OK**. ![](http://180016988.r.cdn77.net/wp-content/uploads/2013/11/JDK-ask1.png) 8. Then Select **Yes** to continue. ![](http://180016988.r.cdn77.net/wp-content/uploads/2013/11/JDK-ask2.png) 9. Now relax for the packages to be downloaded and installed automatically: ![](http://180016988.r.cdn77.net/wp-content/uploads/2013/11/JDK-Downloading.png) 7. Installation has been completed successfully. You can now check the version of Java from the Terminal: $ java -version java version "1.7.0_45" Java(TM) SE Runtime Environment (build 1.7.0_45-b18) Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode) -------------------------------------------------------------------------------- via: http://www.unixmen.com/install-oracle-java-7-elementary-os-luna-via-ppa/ 译者:[译者ID](https://github.com/译者ID) 校对:[校对者ID](https://github.com/校对者ID) 本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译,[Linux中国](http://linux.cn/) 荣誉推出