configure---windows_and_linux---jdk_maven_tomcat_mysql---java_spring_framework_app

Java Spring Framework - Application
-------------------------------------


Configuration
====================================


For Windows:
=============
-------------------------------------
    Java  ---> 
---------------
java -version
    Download JDK. Install it. 
    Open Environment Variables and New... to System Variables:
       JAVA_HOME
       C:\Program Files\Java\java-11-amazon-corretto

       Path
       %JAVA_HOME%\bin
  
java -version


-------------------------------------
    Maven --->
---------------
mvn -verion
    Download Maven. 
    Open Environment Variables and New... to System Variables:
       M2_HOME
       C:\Program Files\Maven
    
       M2
       %M2_HOME%\bin

       Path
       %M2_HOME%\bin
    
mvn -verion


-------------------------------------
    Tomcat --->
----------------
    Download Maven. 
    Open Environment Variables and New... to System Variables:
       CATALINA_HOME
       C:\Program Files\Tomcat

cd C:\Program Files\Tomcat
dir
cd bin
dir
startup.bat

    In browser open:  localhost:8080
    To stop it:
shutdown.bat
   
     
-------------------------------------     
    MySQL --->
---------------



====================================
For Ubuntu:
============

!!! Simple NEW way!!!
----------------------
       Instal SDK! :   https://sdkman.io/install
curl -s "https://get.sdkman.io" | bash
source "$HOME/.sdkman/bin/sdkman-init.sh"
sdk version


sdk install java11.0.12.7.1-amzn
sdk install ant
sdk inatall maven
sdk inastall gradle
sdk install tomcat

-------------------------------------------------------------
-------------------------------------------------------------
 Old way:
---------
sudo apt-get update 
sudo apt-get upgrade

-------------------------------------
    Java  --->
--------------- 
java -version
sudo apt-get install java-11-amazon-corretto
cd /usr/lib/jvm/java-11-amazon-corretto/
export JAVA_HOME=/usr/lib/jvm/java-11-amazon-corretto/
echo $JAVA_HOME
export PATH=$PATH:$JAVA_HOME
echo $PATH
java -version


-------------------------------------
    Maven --->
---------------
mvn -version
sudo apt-get install maven
mvn -version


-------------------------------------
    Tomcat --->
---------------
    Download Tomcat:  https://tomcat.apache.org/download-90.cgi
               File:  tar.gz (pgp, sha512)
    Under /home/dess/ dir make new dir 'web'. 
    Copy-Paste  apache-tomcat-9.0.52   to   /home/dess/web/ 
cd /home/dess/web
export CATALINA_HOME=/home/dess/web/apache-tomcat-9.0.52
echo $CATALINA_HOME
cd apache-tomcat-9.0.52/bin
./startup.sh

    In browser open:  localhost:8080
    To stop it:
./shutdown.sh
    
    
-------------------------------------
    MySQL --->
---------------
sudo apt-get install mysql-server
sudo mysql_secure_installation
        --> y
        --> 0
        --> ..set a new password
        --> y
        --> y
        --> n
        --> y
        --> y
        
        
       Example:
------------------------
   Securing the MySQL server deployment.

   Connecting to MySQL using a blank password.

   VALIDATE PASSWORD COMPONENT can be used to test passwords
   and improve security. It checks the strength of password
   and allows the users to set only those passwords which are
   secure enough. Would you like to setup VALIDATE PASSWORD component?

   Press y|Y for Yes, any other key for No: y

   There are three levels of password validation policy:

   LOW    Length >= 8
   MEDIUM Length >= 8, numeric, mixed case, and special characters
   STRONG Length >= 8, numeric, mixed case, special characters and      
   dictionary                  file

   Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 0
   Please set the password for root here.

   New password: 

   Re-enter new password: 

   Estimated strength of the password: 50 
   Do you wish to continue with the password provided?(Press y|Y for Yes, any other   
   key for No) : y
   By default, a MySQL installation has an anonymous user,
   allowing anyone to log into MySQL without having to have
   a user account created for them. This is intended only for
   testing, and to make the installation go a bit smoother.
   You should remove them before moving into a production
   environment.

   Remove anonymous users? (Press y|Y for Yes, any other key for No) : y
   Success.


   Normally, root should only be allowed to connect from
   'localhost'. This ensures that someone cannot guess at
   the root password from the network.

   Disallow root login remotely? (Press y|Y for Yes, any other key for No) : n

    ... skipping.
   By default, MySQL comes with a database named 'test' that
   anyone can access. This is also intended only for testing,
   and should be removed before moving into a production
   environment.


   Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y
    - Dropping test database...
   Success.

    - Removing privileges on test database...
   Success.

   Reloading the privilege tables will ensure that all changes
   made so far will take effect immediately.

   Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y
   Success.

   All done! 
------------------------
        
        
sudo mysql -u root -p

     Enter password: 
   Welcome to the MySQL monitor.  Commands end with ; or \g.
   Your MySQL connection id is 11
   Server version: 8.0.26-0ubuntu0.20.04.2 (Ubuntu)

   Copyright (c) 2000, 2021, Oracle and/or its affiliates.

   Oracle is a registered trademark of Oracle Corporation and/or its
   affiliates. Other names may be trademarks of their respective
   owners.

   Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> show databases;
   +--------------------+
   | Database           |
   +--------------------+
   | information_schema |
   | mysql              |
   | performance_schema |
   | sys                |
   +--------------------+
   4 rows in set (0,01 sec)

mysql> create database travel_agency;
   Query OK, 1 row affected (0,01 sec)

mysql> use travel_agency;
   Database changed
   
mysql> create user 'user'@'localhost' identified by 'password';
   Query OK, 0 rows affected (0,03 sec)

mysql> grant all privileges on travel_agency.* to 'user'@'localhost';
   Query OK, 0 rows affected (0,02 sec)

mysql> show databases;
   +--------------------+
   | Database           |
   +--------------------+
   | information_schema |
   | mysql              |
   | performance_schema |
   | sys                |
   | travel_agency      |
   +--------------------+
   5 rows in set (0,00 sec)

mysql> exit
   Bye




    From Ubuntu Software download:  Mysql Workbench
    Start the app and tap '+' next to 'MySQL Connections'.
    This will open 'Setup New Connection' windows.
         Connection name: travel_agency
                Username: user
         Tap -> Store in Keychain... -> password
         Tap OK. Ready!
         
         
    If there is an error:
         An AppArmor policy prevents this sender from sending this message to this 
         recipient; type="method_call", sender=":1.125" (uid=1000 pid=7944 comm="/snap/
         mysql-workbench-community/5/usr/bin/mysql- wo" label="snap.mysql-workbench-
         community.mysql-workbench- community (enforce)") 
         interface="org.freedesktop.Secret.Service" member="OpenSession” error 
         name="(unset)" requested_reply="0" destination=":1.13" (uid=1000 pid=2044 
         comm="/usr/bin/gnome- keyring-daemon --daemonize --login" label="unconfined")
    Run:
sudo snap connect mysql-workbench-community:password-manager-service :password-manager-service