linux java常用配置

一 /etc/profile java常用配置

   
  示例1:twin0510

   PATH=$PATH:/usr/local/mysql/bin:/usr/local/bin
    export JAVA_HOME=/usr/java/jdk1.6.0_03/
    export JRE_HOME=/usr/java/jdk1.6.0_03/jre/
    export CLASSPATH=$JAVA_HOME:$JRE_HOME:$CLASSPATH
    export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH

 

export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE INPUTRC

 

上述配置可能导致jps,jstat等命令不起作用

 

  示例2 27

  JAVA_HOME=/usr/java/jdk1.6.0_03
  CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
  PATH=:$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH
  PATH=$PATH:/usr/local/mysql/bin:/usr/local/bin

 

 

export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE INPUTRC

 

 

示例3:

JAVA_HOME=/usr/local/union2/jdk1.6.0_03
CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
PATH=:$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH
export CLASSPATH PATH JAVA_HOME
PATH=$PATH:/usr/local/mysql/bin:/usr/local/bin

 

   

 2 java -version 可查看java版本  

 3 数据库配置 见 数据库目录

 4 tomcat  bin/catalina.sh   

  export LC_ALL=zh_CN.GB18030
  export JAVA_HOME=/usr/local/jdk1.6.0_10
  JAVA_OPTS='-server -Xms128m -Xmx1024m'

 

 5