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Related packages used below

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Install mysql

Installer

yum install mysql mysql-devel mariadb-server mariadb –y

The related commands of the mariadb database are:

systemctl start mariadb #Start MariaDB

systemctl stop mariadb #Stop MariaDB

systemctl restart mariadb #Restart MariaDB

systemctl enable mariadb #Set boot up

Start the database###

Systemctl start mariadb

Set database password###

mysqladmin -u root password "newpass"

Configure mysql

Mysql configuration file is /etc/my.cnf

Add coding configuration at the end

[ mysql]]
default-character-set =utf8

The character encoding here must be the same as in /usr/share/mysql/charsets/Index.xml.

Install JDK

Installation Notes

System environment: centos-7.2
Installation method: rpm installation
Software: jdk-7-linux-x64.rpm
Download link: http://www.oracle.com/technetwork/java/javase/downloads/java-se-jdk-7-download-432154.html

Check the original version of the system

java –version

rpm -qa | grep java

If you find that there are installed OpenJDK and installation packages, then uninstall them in sequence first. Uninstall command:

rpm -e --nodeps tzdata-java-2012c-1.el6.noarch
rpm -e --nodeps java-1.6.0-openjdk-1.6.0.0-1.45.1.11.1.el6.x86_64

Upload the new jdk-7-linux-x64.rpm software to /root, and perform the following operations:
rpm –ivh jdk-7-linux-x64.rpm

Verify installation

java

javac

java –version

Since my environment has changed without configuration, I started to install Tomcat directly.

Install Tomcat

Installation Notes
Installation environment: CentOS-7.2

Installation method: source installation
Software: apache-tomcat-7.0.29.tar.gz
Download link: http://tomcat.apache.org/download-70.cgi

Upload apache-tomcat-7.0.29.tar.gz to the /root directory and perform the following operations

#tar –zxvf apache-tomcat-7.0.29.tar.gz

apache-tomcat-7.0.29 renamed to tomcat

mv apache-tomcat-7.0.29 tomcat

Modify the default port 80
1、 Open the tomcat configuration file

vi /tomcat/conf/server.xml

2、 After opening the Tomcat configuration file, press/8080 to quickly retrieve

3、 Modify the port, press i to change all 8080 to 80

4、 Press: wq to save and exit

5、 Restart tomcat

/tomcat/bin/shutdown.sh

/tomcat/bin/startup.sh

Start Tomcat

#./tomcat/bin/startup.sh //Start tomcat

#. /tomcat/bin/shutup.sh //Close tomcat

The firewall opens port 8080

firewall-cmd --zone=public --add-port=80/tcp --permanent

Success appears to indicate successful addition

Restart firewall###

systemctl restart firewalld.service

Enter the IP address on the browser, and the apache interface appears, indicating that the installation is successful.

other instructions###

After completing the above installation, you can put the web program under /tomcat/webapps/ROOT. Configure the database, then restart tomcat, enter the server's IP address in the browser, and then you can access the web.

Since I made a javaweb program that needs to be run on the server, I used a virtual machine to simulate it myself. This tutorial was written after I completed the server setup, so there is no picture. I hope to rewrite the tutorial next time. Let more friends who want to learn understand my tutorial.

Centos7 build java web server tomcat