$ cd /
$ mkdir soft
$ cd soft

yum install -y lrzsz

$ cd /usr
$ mkdir java
$ tar -zxvf jdk-8u181-linux-x64.tar.gz -C /usr/java

$ vim /etc/profile

export JAVA_HOME=/usr/java/jdk1.8.0_181
export CLASSPATH=.:${JAVA_HOME}/jre/lib/rt.jar:${JAVA_HOME}/lib/dt.jar:${JAVA_HOME}/lib/tools.jar
export PATH=$PATH:${JAVA_HOME}/bin

$ wq

$ source /etc/profile

$ java -version

$ cd /usr
$ mkdir tomcat
$ tar -zxvf apache-tomcat-8.5.35.tar.gz -C /usr/tomcat

$ vim /etc/sysconfig/iptables

$ iptables -P OUTPUT ACCEPT 
$ service iptables save
$ vim /etc/sysconfig/iptables

# 开放8080端口
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT

$ wq

$ vim /usr/tomcat/apache-tomcat-8.5.35/conf/server.xml

$ sh /usr/tomcat/apache-tomcat-8.5.35/bin/startup.sh