1、安装jdk。
下载 jdk-6u45-linux-x64.bin,改变权限chmod 777 jdk-6u45-linux-x64.bin
然后解压
./jdk-6u45-linux-x64.bin
我是把下载的jdk1.6.0_45直接放在个人目录(home下面的账户名wshine)下。
2、添加到默认路径
sudo update-alternatives --install /usr/bin/jar jar /home/wshine/jdk1.6.0_45/bin/jar 60
sudo update-alternatives --install /usr/bin/java java /home/wshine/jdk1.6.0_45/bin/java 60
sudo update-alternatives --install /usr/bin/javac javac /home/wshine/jdk1.6.0_45/bin/javac 60
sudo update-alternatives --install /usr/bin/javap javap /home/wshine/jdk1.6.0_45/bin/javap 60
sudo update-alternatives --install /usr/bin/javadoc javadoc /home/wshine/jdk1.6.0_45/bin/javadoc 60
选泽:
sudo update-alternatives --config jar
sudo update-alternatives --config java
sudo update-alternatives --config javac
sudo update-alternatives --config javap
sudo update-alternatives --config javadoc
3、改变环境变量
vim ~/.bashrc 或sudo gedit ~/.bashrc PS :ubuntu 自带的gedi,比较好用。
按shit+g在文件末尾加入以下内容
export JAVA_HOME=/home/wshine/jdk1.6.0_45
export JRE_HOME=${JAVA_HOME}/jre export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib export PATH=${JAVA_HOME}/bin:$PATH
退出保存,并运行下面的命令使之生效
source ~/.bashrc
java -version javac
4、安装需要的包
sudo apt-get install git gnupg flex bison gperf build-essential
sudo apt-get install zip curl libc6-dev libncurses5-dev:i386 x11proto-core-dev
sudo apt-get install libx11-dev:i386 libreadline6-dev:i386 libgl1-mesa-glx:i386
sudo apt-get install libgl1-mesa-dev g++-multilib mingw32 tofrodos
sudo apt-get install python-markdown libxml2-utils xsltproc zlib1g-dev:i386
sudo apt-get install vim vim-gnome vim-doc vim-scripts exuberant-ctags cscope gawk
curl rar unrar zip unzip ghex nautilus-open-terminal p7zip-full tree uml-utilities
meld gimp dos2unix unix2dos tofrodos python-markdown subversion
sudo apt-get install git-core flex bison gperf gnupg build-essential zip curl zlib1g-dev
libc6-dev lib32ncurses5-dev lib32z1 x11proto-core-dev libx11-dev libreadline-gplv2-dev
lib32z-dev libgl1-mesa-dev g++-multilib mingw32 tofrodos python-markdown libxml2-utils
xsltproc libxml-simple-perl
sudo ln -s /usr/lib/i386-linux-gnu/mesa/libGL.so.1 /usr/lib/i386-linux-gnu/libGL.so
5、编译kernel时有遇到这个问题,安装了个lzop包后,问题搞定。
sudo apt-get install lzop
make[2]: Warning: File `arch/arm/boot/compressed/../Image' has modification time 0.75 s in the future
LZO arch/arm/boot/compressed/piggy.lzo
/bin/sh: 1: lzop: not found
make[2]: *** [arch/arm/boot/compressed/piggy.lzo] Error 1
make[1]: *** [arch/arm/boot/compressed/vmlinux] Error 2
make: *** [uImage] Error 2
$ sudo cp jdk-6u30-linux-i586.bin /usr/local #拷贝jdk到/usr/local目录
$ cd /usr/local #进入/usr/local目录
$ chmod 544 jdk-6u30-linux-i586.bin #修改权限
$ sudo ./jdk-6u30-linux-i586.bin #解压bin文件
$ sudo ln -s jdk1.6.0_30 jdk-6 #为文件创建名了jdk-6的软链接(类似Win的快捷方式)
$ sudo rm jdk-6u30-linux-i586.bin #删除bin文件
4. 其次设置环境变量,主要是PATH、CLASSPATH和JAVA_HOME,注意PATH最后所添加的bin目录:
$ sudo vi /etc/environment
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/jdk-6/bin"
CLASSPATH="/usr/local/jdk-6/lib"
JAVA_HOME="/usr/local/jdk-6"