Memo to build a Servlet environment on AWS EC2

yum search java-1.8.0-openjdk-devel

sudo yum install java-1.8.0-openjdk-devel

sudo yum -y install httpd

sudo service httpd start

sudo systemctl enable httpd.service

sudo amazon-linux-extras install tomcat8.5

sudo yum install tomcat-webapps tomcat-admin-webapps

sudo systemctl start tomcat

sudo yum list installed | grep mariadb
sudo yum remove mariadb-libs

sudo yum -y localinstall http://dev.mysql.com/get/mysql57-community-release-el7-7.noarch.rpm

sudo yum install mysql-community-server

sudo yum clean all
sudo rm -rf /var/cache/yum

yum repolist enabled | grep "mysql.*-community.*"

mysql --version

sudo /bin/systemctl start mysqld.service

systemctl list-units | grep mysqld.service

systemctl is-enabled mysqld.service
systemctl enable mysqld.service

sudo cat /var/log/mysqld.log | grep root

SET GLOBAL validate_password_length=4;
SET GLOBAL validate_password_policy=LOW;
ALTER USER root@localhost IDENTIFIED BY 'root';

vi /etc/my.cnf

i :insert

「Esc」
「:wq」
or
「Esc」
「:w !sudo tee %」
「:q!」

[mysqld]
character-set-server=utf8

[client]
default-character-set=utf8

sudo systemctl restart mysqld

sudo systemctl stop mysqld

sudo yum remove mysql*

sudo cp filename.war /usr/share/tomcat/webapps

sudo rm /usr/share/tomcat/webapps/file name.war

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