平武建站

ubuntu——HowtoInstallOracleJavaJDK8-创新互联

  1. Check to see if your Ubuntu Linux operating system architecture is 32-bit or 64-bit, open up a terminal and run the following command below.

    创新互联建站长期为超过千家客户提供的网站建设服务，团队从业经验10年，关注不同地域、不同群体，并针对不同对象提供差异化的产品和服务；打造开放共赢平台，与合作伙伴共同营造健康的互联网生态环境。为泸溪企业提供专业的成都网站建设、成都做网站，泸溪网站改版等技术服务。拥有十载丰富建站经验和众多成功案例,为您定制开发。

    1. uname -a or file /sbin/init

 Linux caochu-Inspiron-N5110 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

Check if you have Java installed on your system. To do this, you will have to run the Java version command from terminal.
  1. Type/Copy/Paste:java -versio

    If you have OpenJDK installed on your system, you have the wrong vendor version of Java installed for this exercise.

  2. sudo apt-get purge openjdk-*
Download the Oracle Java JDK for Linux.

  1. Unpack the compressed Java binaries, in the directory /usr/local/java8

Scroll down to the end of the file using your arrow keys and add the following lines below to the end of your./etc/profile file:
  1.  export JAVA_HOME=/usr/local/java8/jdk1.8.0_73 
 export JRE_HOME=${JAVA_HOME}/jre  
 export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib  
 export PATH=${JAVA_HOME}/bin:$PATH
  2.  source /etc/profile
 Configure default JDK version :

  1.  sudo update-alternatives --install /usr/bin/java java /usr/local/java8/jdk1.8.0_73/bin/java     300
     sudo update-alternatives --install /usr/bin/javac javac /usr/local/java8/jdk1.8.0_73/bin/javac   300
     sudo update-alternatives --install /usr/bin/jar  jar  /usr/local/java8/jdk1.8.0_73/bin/jar 300
     sudo update-alternatives --install /usr/bin/javah javah /usr/local/java8/jdk1.8.0_73/bin/javah 300
     sudo update-alternatives --install /usr/bin/javap javap /usr/local/java8/jdk1.8.0_73/bin/javap 300

  2. sudo update-alternatives --config java

Test
  1. java -version

另外有需要云服务器可以了解下创新互联scvps.cn，海内外云服务器15元起步，三天无理由+7*72小时售后在线，公司持有idc许可证，提供“云服务器、裸金属服务器、高防服务器、香港服务器、美国服务器、虚拟主机、免备案服务器”等云主机租用服务以及企业上云的综合解决方案，具有“安全稳定、简单易用、服务可用性高、性价比高”等特点与优势，专为企业上云打造定制，能够满足用户丰富、多元化的应用场景需求。


网站题目：ubuntu——HowtoInstallOracleJavaJDK8-创新互联
当前地址：http://pwwzsj.com/article/ceopps.html

其他资讯