Install maven and python

1.  Install Maven

2.  edit /etc/profile, add following setting
   
    M2_HOME='/opt/maven/apache-maven-3.0'
    export M2_HOME 
    PATH=$PATH:$M2_HOME/bin 
    export PATH 
   
3.  source /etc/profile

4.  change local Repository if you want
    vi /opt/maven/apache-maven-3.0/conf/settings.xml 
    <localRepository>your repository path</localRepository> 
   
5. install python 2.7
    wget http://www.python.org/ftp/python/2.7/Python-2.7.tar.bz2
    tar -xvf Python-2.7.tar.bz2
    ./configure --prefix=/opt/python2.7
    make
    make install

6. 环境变量设置失败后的恢复办法
    export PATH=/usr/bin:/usr/sbin:/bin:/sbin:/usr/X11R6/bin

7. maven command

   mvn clean install -Dmaven.repo.local=/share/localRepository -e | tee dirint.log