下面通过手工和ppa二种方式安装java-8-oracle。
wget方式下载安裝java-8-oracle
wget --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u25-b17/jdk-8u25-linux-x64.tar.gz mkdir -p /usr/lib/jvm tar zxvf jdk-8u25-linux-x64.tar.gz mv jdk1.8.0_25 /usr/lib/jvm/java-8-oracle sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/java-8-oracle/bin/java 10 sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/java-8-oracle/bin/javac 10 sudo update-alternatives --install /usr/bin/jps jps /usr/lib/jvm/java-8-oracle/bin/jps 10 javac -version |
使用ppa方式安装java8
sudo add-apt-repository ppa:webupd8team/java sudo apt-get update sudo apt-get install oracle-java8-installer javac -version |
选择java版本
sudo update-alternatives --config javaThere are 2 choices for the alternative java (providing /usr/bin/java). Selection Path Priority Status------------------------------------------------------------* 0 /usr/lib/jvm/java-8-oracle/jre/bin/java 2 auto mode 1 /usr/lib/jvm/java-6-oracle/jre/bin/java 1 manual mode 2 /usr/lib/jvm/java-8-oracle/jre/bin/java 2 manual modePress enter to keep the current choice[*], or type selection number: |