版权声明:from 瑾川(fakehydra.xyz) https://blog.csdn.net/fake_hydra/article/details/83412694
什么是Tomcat服务
LNMP
LTMP
Java程序具有可以移植型,跨平台特性
简单jvm环境:jre --Java SE Runtime Environment 指Java运行环境,是Sun的产品
高级jvm环境:jdk --Java Development Kit Java开发工具包
安装部署Tomcat
部署jdk环境
配置Java环境变量
[root@tomcat tools]# cat >>/etc/profile<<'EOF'
> export JAVA_HOME=/application/jdk
> export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH
> export CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib:$JAVA_HOME/lib/tools.jar
> EOF
‘EOF’作用:对$PATH不解析
调整权限
[root@tomcat tools]# ll /application/jdk/
总用量 25904
src.zip
drwxr-xr-x. 5 10 143 185 8月 5 2015 jre
drwxr-xr-x. 5 10 143 245 8月 5 2015 lib
-r--r--r--. 1 10 143 40 8月 5 2015 LICENSE
部分展示
属组属主不对
修改
[root@tomcat tools]# chown -R root.root /application/jdk
安装完成,查看Java版本信息
[root@tomcat tools]# java -version
java version "1.8.0_60"
Java(TM) SE Runtime Environment (build 1.8.0_60-b27)
Java HotSpot(TM) 64-Bit Server VM (build 25.60-b23, mixed mode)
Tomcat安装
[root@tomcat tools]# tar xf apache-tomcat-8.0.27.tar.gz -C /application/
[root@tomcat tools]# ln -s /application/apache-tomcat-8.0.27/ /application/tomcat
配置环境变量
[root@tomcat bin]# echo 'export TOMCAT_HOME=/application/tomcat'>>/etc/profile
[root@tomcat bin]# pwd
/application/tomcat/bin
将bin目录放到变量,方便以后使用
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH:/application/tomcat/bin
查看版本信息
[root@tomcat bin]# version.sh
Using CATALINA_BASE: /application/tomcat
Using CATALINA_HOME: /application/tomcat
Using CATALINA_TMPDIR: /application/tomcat/temp
Using JRE_HOME: /application/jdk
Using CLASSPATH: /application/tomcat/bin/bootstrap.jar:/application/tomcat/bin/tomcat-juli.jar
Server version: Apache Tomcat/8.0.27
Server built: Sep 28 2015 08:17:25 UTC
Server number: 8.0.27.0
OS Name: Linux
OS Version: 3.10.0-862.el7.x86_64
Architecture: amd64
JVM Version: 1.8.0_60-b27
JVM Vendor: Oracle Corporation
启动
[root@tomcat bin]# startup.sh
Using CATALINA_BASE: /application/tomcat
Using CATALINA_HOME: /application/tomcat
Using CATALINA_TMPDIR: /application/tomcat/temp
Using JRE_HOME: /application/jdk
Using CLASSPATH: /application/tomcat/bin/bootstrap.jar:/application/tomcat/bin/tomcat-juli.jar
Tomcat started.
确认启动,查看端口
[root@tomcat bin]# ss -lntup|grep java
tcp LISTEN 0 1 ::ffff:127.0.0.1:8005 :::* users:(("java",pid=2856,fd=69))
tcp LISTEN 0 100 :::8009 :::* users:(("java",pid=2856,fd=51))
tcp LISTEN 0 100 :::8080 :::* users:(("java",pid=2856,fd=46))
关闭服务
[root@tomcat conf]# shutdown.sh
Using CATALINA_BASE: /application/tomcat
Using CATALINA_HOME: /application/tomcat
Using CATALINA_TMPDIR: /application/tomcat/temp
Using JRE_HOME: /application/jdk
Using CLASSPATH: /application/tomcat/bin/bootstrap.jar:/application/tomcat/bin/tomcat-juli.jar
原理
echo "SHUTDOWN" |nc 127.0.0.1 8005
通过nc给端口8005发送一个shutdown的指令
安全优化:修改改端口&指令