Ubuntu 11.10下安装Eclipse
1.安装JDK
(1)ubuntu11.10系统自带的Java环境是openjdk;(不推荐)
(2)官方网站(http://www.oracle.com/technetwork/java/javase/downloads/index.html)下载JDK安装包jdk-7u3-linux-i586.tar.gz.(安装)
1.1.下载好后开始安装JDK,在终端里输入:
dhy@ubuntu:~$ cd 下载/
dhy@ubuntu:~$ tar -zxvf jdk-7u3-linux-i586.tar.gz. -> jdk1.7.0_03
dhy@ubuntu:~$ sudo mkdir /opt/java
dhy@ubuntu:~$ sudo mv jdk1.7.0_03 /opt/java
1.2.配置环境变量,修改profile文件
dhy@ubuntu:~$ sudo gedit /etc/profile
添加:
# Sun JDK profile
exportJAVA_HOME=/opt/java/jdk1.7.0_03
exportJRE_HOME=/opt/java/jdk1.7.0_03/jre
exportCLASSPATH=.:$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib exportPATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH:$HOME/bin
1.3.修改另外一个文件environment:
dhy@ubuntu:~$ sudo gedit /etc/environment
添加:
# Sun JDK environment
exportJAVA_HOME=/opt/java/jdk1.7.0_03
exportJRE_Home=/opt/java/jdk1.7.0_03/jre
exportCLASSPATH=.:$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
1.4.手动配置JDK
dhy@ubuntu:~$ sudoupdate-alternatives--install/usr/bin/javajava/opt/jdk1.7.0_03/bin/java300
dhy@ubuntu:~$ sudoupdate-alternatives--install/usr/bin/javacjavac/opt/jdk1.7.0_03/bin/javac300
1.5.让系统使用安装的JDK
dhy@ubuntu:~$ sudo update-alternatives --config java
1.6.验证安装JDK是否成功。
dhy@ubuntu:~$ cd /opt/java
dhy@ubuntu:~$ java -version
显示信息
java version "1.7.0_03"
Java(TM) SE Runtime Environment (build 1.7.0_03-b04)
Java HotSpot(TM) Server VM (build 22.1-b02, mixed mode)
2.安装Eclipse
2.1.首先解压缩下载好的压缩包,在终端中输入:
dhy@ubuntu:~$ tar-zxvfeclipse-cpp-indigo-SR2-incubation-linux-gtk.tar.gz dhy@ubuntu:~$ sudo mv eclipse /opt/ dhy@ubuntu:~$ sudo gedit /usr/share/applications/Eclipse.desktop
添加:
[Desktop Entry]
Name=Eclipse
Comment=Eclipse IDE
Exec=/opt/eclipse/eclipse
Icon=/opt/eclipse/icon.xpm
Terminal=false
Type=Application
Categories=Application;Development;
2.2.eclipse安装结束。