tomcat安装使用和监听80端口

一、从官网下载jdk

wget http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

二、安装jdk

1.上传jdk的压缩包到、usr/local/src并解压

2.改名

3.vi /etc/profile //最后面增加

JAVA_HOME=/usr/local/jdk1.8/ 
JAVA_BIN=/usr/local/jdk1.8/bin 
JRE_HOME=/usr/local/jdk1.8/jre PATH=$PATH:/usr/local/jdk1.8/bin:/usr/local/jdk1.8/jre/bin
CLASSPATH=/usr/local/jdk1.8/jre/lib:/usr/local/jdk1.8/lib:/usr/local/jdk1.8/jre/lib/charsets.jar

4.立即生效并检验是否安装成功

source /etc/profile
java -version

三、安装tomcat

1.去官网下载

wget https://tomcat.apache.org/download-90.cgi

2.解压并改名

3.启动tomcat

/usr/local/tomcat/bin/startup.sh

4.查看是否启动

5.关闭防火墙

[root@localhost ~]# systemctl stop firewalld.service 
[root@localhost ~]# systemctl disable firewalld.service 
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
Removed symlink /etc/systemd/system/basic.target.wants/firewalld.service.
[root@localhost ~]# setenforce 0

6.查看端口

四、监听80端口

1.修改文件端口号

vi /usr/local/tomcat/conf/server.xml

2.重启

3.查看端口