background
http://qiita.com/TsutomuNakamura/items/f12fdf0a8502e634584d
Put java8 in ubuntu 13.04 (raring) according to
Omission
Error http://extras.ubuntu.com raring/main Sources
404 Not Found
Error http://extras.ubuntu.com raring/main i386 Packages
404 Not Found
Ignore http://old-releases.ubuntu.com raring/main Translation-ja_JP
Ignore http://old-releases.ubuntu.com raring/multiverse Translation-ja_JP
Ignore http://old-releases.ubuntu.com raring/restricted Translation-ja_JP
Ignore http://old-releases.ubuntu.com raring/universe Translation-ja_JP
W: http://extras.ubuntu.com/ubuntu/dists/raring/main/source/Failed to get Sources 404 Not Found
W: http://extras.ubuntu.com/ubuntu/dists/raring/main/binary-i386/Failed to get Packages 404 Not Found
E:Failed to download some index files. These are either ignored or the older ones are used instead.
◇ Solution http://ask.xmodulo.com/404-not-found-error-apt-get-update-ubuntu.html Than
#deb http://extras.ubuntu.com/ubuntu raring main
#deb-src http://extras.ubuntu.com/ubuntu raring main
PPA (https://launchpad.net/api/1.0/~webupd8team/+archive/java)Information could not be obtained because you could not access. Please check your internet connection.
◇ Solution http://dragstar.hatenablog.com/entry/2015/03/21/130333 Than Set http_proxy etc. in the environment variable,
sudo -E add-apt-repository ppa:webupd8team/java
Oracle Java (JDK) Installer (automatically downloads and installs Oracle JDK7 / JDK8 / JDK9). There are no actual Java files in this PPA.
http://www.webupd8.org/2012/09/install-oracle-java-8-in-ubuntu-via-ppa.html According to ubuntu 13.04 is not supported
→ Give up from ppt
https://askubuntu.com/questions/56104/how-can-i-install-sun-oracles-proprietary-java-jdk-6-7-8-or-jre
I decided to drop java8 from the Oracle site and install it according to The manual way of
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