jdk 1.8 rpm을 ubuntu에 설치하기

ubuntu 리눅스에 jdk 

$ sudo apt-get update

$ sudo apt-get install alien

$ wget http://file.google.com/jdk-8u25-linux-x64.rpm

$ sudo alien -c jdk-8u25-linux-x64.rpm

jdk1.8.0-25_1.8.025-1_amd64.deb generated

$ sudo dpkg -i jdk1.8.0-25_1.8.025-1_amd64.deb

$ which java

/usr/bin/java

$ java -version

java version "1.8.0_25"