graybull's Blog

ubuntu install sun jdk 1.7

  • download jdk-7u25-linux-x64.tar.gz from oracle site.
  • unpack jdk-7u25-linux-x64.tar.gz
  • Install it. Actually, you needn't install it, just copy the directory to a specified place.

     $ sudo mkdir /usr/local/java

     $ sudo cp jdk1.7.0_25 /usr/local/java

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更新ubuntu12.04源

  • 打开源配置文件

   $ sudo vi /etc/apt/sources.list

  • 添加以下源到文档末尾

   见文末。

  • 执行更新

   $ sudo apt-get update

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