How to deploy and install Java+Tomcat environment

Install the java environment

First of all, we first go to the java official website to download jdk. Here I download the jdk1.8 version

Click accept license agreement and select To download the version, you need to register an oracle account to log in to download!

Copy the downloaded jdk package to the centos7 root directory. It is recommended to use winscp software

Create the java installation directory

mkdir -p /usr/local/java

Extract the jdk package to the java installation directory

tar -zxvf jdk-8u211- linux-x64.tar.gz -c /usr/local/java/

Configure environment variables

vim /etc/profile.d/java. sh

export java_home=/usr/local/java/jdk1.8.0_211
export class_path="$java_home/lib:$java_home/jre/lib"
export path=$path:$java_home/bin

Make the configuration take effect immediately

source /etc/profile

Verify whether the java environment is successfully configured

Install tomcat environment

Download the installation package from the official website:

Here I choose tomcat8 archives to view the history Version

#Here I choose version v8.5.5. Remember not to enter src to download the installation package. You will encounter the problem that bootstarp.jar cannot be found in the bin directory. Question, enter the bin directory and download the code package.

Extract to the installation directory

tar -zxvf apache-tomcat-8.5.5.tar.gz - c /usr/local/

Create soft link

cd /usr/local/
ln -sv apache-tomcat-8.5.5 tomcat

Configure environment variables

##vim /etc/profile.d /tomcat.sh

catalina_base=/usr/local/tomcat
path=$catalina_base/bin:$path
export path catalina_base

Let the configuration take effect

source /etc/profile.d/tomcat.sh

View tomcat version status

Enter tomcat’s bin directory

cd /usr/local/tomcat/bin/

Give permissions

chmod 755 *

View configuration information

./catalina.sh version

Start tomcat service

./startup.sh

If the above content appears, it means success. Now visit ip:8080 to see

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