apache-tomcat-7.0.42和jdk-7u79-linux-x64安装教程
首先从这里下载安装包：https://download.csdn.net/download/xiaoxiaozhugong/10811728
1. jdk安装步骤
cd /usr/local/install/tomcat_jdk
mkdir /usr/local/jdk
tar zxvf jdk-7u79-linux-x64.gz -C /usr/local/jdk
sed -i '$a\JAVA_HOME=/usr/local/jdk/jdk1.7.0_79/' /etc/profile
sed -i '$a\CLASSPATH=.:$JAVA_HOME/lib/tools.jar:/lib/dt.jar' /etc/profile
sed -i '$a\PATH=$JAVA_HOME/bin:$PATH' /etc/profile
sed -i '$a\export JAVA_HOME CLASSPATH PATH' /etc/profile
source /etc/profile
java -version
2. tomcat安装步骤
cd /usr/local/install/tomcat_jdk
tar zxvf apache-tomcat-7.0.42.tar.gz -C /usr/local/
cd /usr/local
mv apache-tomcat-7.0.42 /usr/local/tomcat7