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一、安装Ubuntu操作系统
1.下载Ubuntu-12.04.3-amd64.iso镜像文件并刻录光盘中
2.启动电脑并快速按fn+f12快捷键
3.待弹出窗口后,将光盘放到光驱中,然后选择有DVD字样的选项即可安装系统
4.磁盘分区
/home 300G 主分区
/opt 300G 主分区
/ 200G 逻辑分区
/swap 4G 逻辑分区
5.一直下一步直到安装完成
二、定制桌面起动器
1.新建启动器文件
sudo gedit /usr/share/applications/name.desktop
2.在文件中输入如下内容
[Desktop Entry]
Name=Eclipse Jee Juno #文件显示名称
Comment=Eclipse IDE #注释
Exec=/opt/eclipse/eclipse-jee-juno/eclipse #可执行的绝对路径
Icon=/opt/eclipse/eclipse-jee-juno/icon.xpm #可执行文件的图表
Terminal=false
StartupNotify=true
Type=Application
Categories=Application;Development;
3.复制name.desktop文件到桌面
cd /usr/share/applications/
sudo cp name.desktop /home/superadmin/桌面
cd #进入到当前用户的桌面文件
chmod 775 name.desktop #修改该文件的可执行权限
4.在桌面双击启动器name.desktop 是否能够启动应用程序
Eclispe起动器样例:
三、Ubuntu12.04中 安装 jdk1.6
1.在/opt目录下新建java子目录 并赋予权限
命令:
sudo mkdir java
chmod -R 775 java
2.复制安装文件jdk-6u45-linux-x64.bin到/opt/java
命令:
cp jdk-6u45-linux-x64.bin /opt/java
3.执行安装文件jdk-6u45-linux-x64.bin,注意文件权限
命令:
cd /opt/java
./jdk-6u45-linux-x64.bin
4.配置系统全局环境变量
命令:
sudo gedit /etc/profile
新增如下条目
#set java environment
export JAVA_HOME=/opt/java/jdk1.6.0_45
export JRE_HOME=/opt/java/jdk1.6.0_45/jre
export CLASSPATH=$JRE_HOME/lib
export PATH=$JAVA_HOME/bin:$CLASSPATH:$PATH
5.验证安装结果
(注意:一般更改/etc/profile文件后,需要重启机器才能生效。这里介绍一种不用重启使其生效的方法,即命令行执行:source /etc/profile,但关闭终端后又失效,要想永久生效,还需要重启机器)
验证命令:
[email protected]:/opt/java$ java -version
java version "1.6.0_45"
Java(TM) SE Runtime Environment (build 1.6.0_45-b06)
Java HotSpot(TM) 64-Bit Server VM (build 20.45-b01, mixed mode)
[email protected]:/opt/java$ javac -version
javac 1.6.0_45
至此jdk安装成功,可以使用
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