1、下载JDK和Tomcat
jdk下载地址:
https://www.oracle.com/technetwork/java/javase/downloads/index.html
tomcat官网地址:
2、JDK的配置
a.解压
tar -zxvf jdk-8u101-linux-x64.tar.gz
mkdir /usr/local/java
mv jdk-8u101-linux-x64/* /usr/local/java
上面这一步如果改为如下,更简洁
tar -zxvf jdk-8u101-linux-x64.tar.gz
mv jdk-8u101-linux-x64 /usr/local/java
b.配置环境变量
export JAVA_HOME=/usr/local/java
export JRE_HOME=$JAVA_HOME/jre
export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export JAVA_PATH=$JAVA_HOME/bin:$JRE_HOME/bin
export PATH=$PATH:$JAVA_PATH
c.使配置生效
vim /etc/profile
export JAVA_HOME=/usr/local/java
export JRE_HOME=$JAVA_HOME/jre
export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export JAVA_PATH=$JAVA_HOME/bin:$JRE_HOME/bin
export PATH=$PATH:$JAVA_PATH
source /etc/profile
但是以上b、c两步只是临时生效,如果要使其开机生效,需要将步骤b的内容追加写入/etc/profile,并重启机器测试
vim /etc/profile
//在最后写入以下:
export JAVA_HOME=/usr/local/java
export JRE_HOME=$JAVA_HOME/jre
export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export JAVA_PATH=$JAVA_HOME/bin:$JRE_HOME/bin
export PATH=$PATH:$JAVA_PATH
d.查看java版本确定是否配置生效
java -version
//显示结果
java version "1.8.0_201"
Java(TM) SE Runtime Environment (build 1.8.0_201-b09)
Java HotSpot(TM) 64-Bit Server VM (build 25.201-b09, mixed mode)
3、Tomcat的安装
a、Tomcat解压
tar -xvf apache-tomcat-9.0.14.zip
mkdir /usr/local/tomcat
mv apache-tomcat-9.0.14/* /usr/local/tomcat
b、启动tomcat
需要添加执行权限,否则运行./startup.sh会报错
cd /usr/local/tomcat/bin
chmod +x startup.sh
chmod +x catalina.sh
./startup.sh
测试访问tomacat:
http://serverip:8080
c、停止tomcat
chmod +x shutdown.sh
./shutdown.sh
d 、修改服务端口
可以修改conf目录下的文件server.xml,修改Connector元素(Tomcat的默认端口是8080),并重新启动Tomcat服务使新端口生效。
vim /usr/local/tomcat/conf/server.xml
<Connector port="9999" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />
参考文档:
https://blog.csdn.net/lcyaiym/article/details/76696192
https://www.cnblogs.com/yncx/p/6275084.html