[root@tomcat ~]# yum -y list java*

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Available Packages

java-1.7.0-openjdk-javadoc.noarch                      1:1.7.0.161-2.6.12.0.el6_9                updates

java-1.7.0-openjdk-src.x86_64                          1:1.7.0.161-2.6.12.0.el6_9                updates

java-1.8.0-openjdk.x86_64                              1:1.8.0.161-3.b14.el6_9                   updates

java-1.8.0-openjdk-debug.x86_64                        1:1.8.0.161-3.b14.el6_9                   updates

[root@tomcat ~]# yum install java-1.8.0-openjdk.x86_64 -y

[root@tomcat ~]# java -version

openjdk version "1.8.0_161"

OpenJDK Runtime Environment (build 1.8.0_161-b14)

OpenJDK 64-Bit Server VM (build 25.161-b14, mixed mode)

export JAVA_HOME=/opt/jdk1..0_211

export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

export PATH=$JAVA_HOME/bin:$PATH

[root@tomcat ~]# mkdir -p tools

[root@tomcat ~]# cd tools/

[root@tomcat tools]# ll

total 8780

-rw-r--r-- 1 root root 8989099 Feb 28 00:31 apache-tomcat-7.0.81.tar.gz

[root@tomcat tools]# tar xf apache-tomcat-7.0.81.tar.gz -C /usr/local/

[root@tomcat ~]# cd /usr/local/

[root@tomcat local]# mv apache-tomcat-7.0.81 tomcat

[root@tomcat local]# /usr/local/tomcat/bin/startup.sh configtest	# 检查配置文件是否正确

Using CATALINA_BASE:   /usr/local/tomcat

Using CATALINA_HOME:   /usr/local/tomcat

Using CATALINA_TMPDIR: /usr/local/tomcat/temp

Using JRE_HOME:        /usr

Using CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar

Tomcat started.

[root@tomcat local]# /usr/local/tomcat/bin/startup.sh start			# 启动

Using CATALINA_BASE:   /usr/local/tomcat

Using CATALINA_HOME:   /usr/local/tomcat

Using CATALINA_TMPDIR: /usr/local/tomcat/temp

Using JRE_HOME:        /usr

Using CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar

Tomcat started.

[root@tomcat ~]# netstat -lntup|grep java

tcp        0      0 ::ffff:127.0.0.1:8005       :::*                        LISTEN      1612/java

tcp        0      0 :::8009                     :::*                        LISTEN      1612/java

tcp        0      0 :::8080                     :::*                        LISTEN      1612/java

[root@tomcat ~]# vim /etc/sysconfig/iptables

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

[root@tomcat ~]# /etc/init.d/iptables restart