一、安装JDK+tomcat
　　1.下载JDK
　　http://www.oracle.com/technetwork/java/javase/downloads/jdk-7u2-download-1377129.html
　　2.安装JDK(RPM方式）
　　rpm -ivh jdk-7u2-linux-i586.rpm
　　3.下载tomcat
　　wget http://apache.etoak.com/tomcat/tomcat-7/v7.0.23/bin/apache-tomcat-    7.0.23.tar.gz
　　4.安装tomcat
　　tar zxvf apache-tomcat-7.0.23.tar.gz
　　mv apache-tomcat-7.0.23 /usr/local/tomcat
　　修改/etc/profile
　　export CATALINA_HOME=/usr/local/tomcat
　　export CLASSPATH=$JAVA_HOME/lib:$CATALINA_HOME/lib
　　export PATH=$PATH:$CATALINA_HOME/bin
　　export JAVA_HOME=/usr/java/jdk1.7.0_02
　　source /etc/profile
　　/usr/local/tomcat/bin/catalina.sh start (关闭tomcat ./shutdown.sh stop)
　　java -version
　　屏幕输出：
　　java version "1.7.0_02"
　　Java(TM) SE Runtime Environment (build 1.7.0_02-b13)
　　Java HotSpot(TM) Client VM (build 22.0-b10， mixed mode， sharing)
　　安装完毕
　　netstat -ntl |grep 8080
　　http://localhost:8080/
　　5.安装JIRA
　　wget http://www.atlassian.com/software/jira/downloads/binary/atlassian-jira-4.4.4-x32.bin
　　wget http://www.atlassian.com/software/jira/downloads/binary/atlassian-jira-4.4.4-x64.bin
　　chmod 755 atlassian-jira-4.4.4-x32.bin
　　./atlassian-jira-4.4.4-x32.bin