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Configure Tomcat

Install Tomcat first

Installing Tomcat is divided into two steps: installing Tomcat and installing JDK.

JDK (Java Development Kit) is a product developed by Sun Microsystems for Java. Since the launch of Java, JDK has become the most widely used Java SDK. JDK is the core of the whole Java, including Java runtime environment, Java tools and Java basic class libraries. Therefore, if you want to run a Java program, you must have the support of JDK, and the prerequisite for installing Tomcat is to install JDK.

Install JDK

# after uploading the JDK package, put it in the / usr/local/ directory Then extract [root@DaMoWang ~] # tar xf jdk-10.0.2_linux-x64_bin.tar.gz-C / usr/local/ [root@DaMoWang ~] # cd / usr/local/ [root@DaMoWang local] # mv jdk-10.0.2/ jdk10 # set the environment variable [root@DaMoWang local] # vim / etc/profile JAVA_HOME=/usr/local/jdk10/ JAVA_BIN=/usr/local/jdk10/bin JRE_HOME=/usr/local / jdk10/jre PATH=$PATH:/usr/local/jdk10/bin:/usr/local/jdk10/jre/bin CLASSPATH=/usr/local/jdk10/lib:/usr/local/jdk10/jre/lib/charsets/jar [root@DaMoWang local] # source / etc/profile # make the configuration file effective [root@DaMoWang local] # java-version java version "10.0.2" 2018-07-17 Java (TM) SE Runtime Environment 18.3 (build 10.0.2 / 13) Java HotSpot (TM) 64- Bit Server VM 18.3 (build 10.0.2o13 Mixed mode) # if the display is not java version but openjdk version, then do the following: [root@DaMoWang local] # mv `which java` {, .bak} [root@DaMoWang local] # source / etc/profile # you can also use openjdk directly

Install Tomcat

# because it is a binary package, it eliminates the compilation process [root@DaMoWang ~] # tar xf apache-tomcat-9.0.10.tar.gz [root@DaMoWang ~] # mv apache-tomcat-9.0.10/ / usr/local/tomcat [root@DaMoWang ~] # cd / usr/local/tomcat [root@DaMoWang tomcat] # bin/startup.sh # start Tomcat

Use the netstat command to see if the startup is successful

# normally there are three ports 8005, 8009 and 8080, of which 8080 is the port for providing web services, 8005 is the management port, and 8009 is the port for third-party service calls. For example, [root@DaMoWang tomcat] # netstat-lntp is used when httpd and Tomcat are combined. | grep java tcp6 00 127.0.0.1 root@DaMoWang tomcat 8005: * LISTEN 3430/java tcp6 00:: 8009:: * LISTEN 3430/java tcp6 00: 8080:: * LISTEN 3430/java

Configure Tomcat

The installation process of Tomcat is very simple, but the configuration of Tomcat is not much.

Configure the access port for the Tomcat service

The default port of Tomcat is 8080. If you want to modify it, you need to modify conf/server.xml in the installation directory.

[root@DaMoWang tomcat] # vim conf/server.xml # found

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