How to install XAMPP

The first we need is install net-tools
$ sudo apt install net-tools
Download XAMPP
https://www.apachefriends.org/es/download.html
$ sudo chmod +x xampp-linux-x64-7.3.9-0-installer.run
$ sudo ./xampp-linux-x64-7.3.9-0-installer.run

Change the MySQL/MariaDB root password, follow these steps:
$ cd /opt/lampp/
$ /opt/lampp/bin/mysqladmin --user=root password "ChooseOne"
$ /opt/lampp/bin/mysql -u root -p -e "FLUSH PRIVILEGES;"

For log in phpmyadmin edit config.inc.php
$ cd /opt/lampp/phpmyadmin
$ sudo vim config.inc.php
Search this lines
$cfg['blowfish_secret'] = 'xampp';
change for
$cfg['blowfish_secret'] = 'ForSomeThingElse';

Now we need the password 
$cfg['Servers'][$i]['password'] = '';
and change that with your password
$cfg['Servers'][$i]['password'] = 'ChooseOne';

Now, for enviroments in production we need to change this line
$cfg['Servers'][$i]['auth_type'] = 'config';
To
$cfg['Servers'][$i]['auth_type'] = 'cookie';

Change this too
$cfg['Servers'][$i]['AllowNoPassword'] = true;
To
$cfg['Servers'][$i]['AllowNoPassword'] = false;

open a browser, go to http://localhost/phpmyadmin and log in.

Stop, start the service:
$ cd /opt

$ sudo ./xampp start
[sudo] password for user:          
Starting XAMPP for Linux 7.3.9-0...
XAMPP: Starting Apache...ok.
XAMPP: Starting MySQL...ok.

XAMPP: Starting ProFTPD...ok.

How to install SAP GUI Linux

If you need install SAP GUI in your linux mint 19, you need to do this:

First, uninstall java from your system

$ sudo apt-get update && sudo apt-get remove openjdk*

Next we need a place for java

$ sudo mkdir /opt/java

$ cd /opt/java

Download java from https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

$ sudo tar zxvf ~/Downloads/jdk-8u221-linux-x64.tar.gz

$ sudo update-alternatives --install "/usr/bin/java" "java" "/opt/java/jdk1.8.0_221/bin/java" 1

$ sudo update-alternatives --set java /opt/java/jdk1.8.0_221/bin/java

$ java -version

java version "1.8.0_221"

Java(TM) SE Runtime Environment (build 1.8.0_221-b11)

Java HotSpot(TM) 64-Bit Server VM (build 25.221-b11, mixed mode)

Download SAP JAVA from marketplace

$ cd 50144807_7/BD_NW_7.0_Presentation_7.50_Comp._2_/PRES2/GUI/JAVA

$ sudo java -jar PlatinGUI750Linux_1.JAR

$ cd /opt/SAPClients/SAPGUI/bin

$ ./guilogon

You can create a new launcher with the next information.

Name: SAP

command: /bin/sh "/opt/SAPClients/SAPGUI7.50rev1/bin/guilogon"

How to install xrdp Linux Mint 19

You want connect your linux machine from windows? You need install xrdp. The easy way is:

$ sudo apt install -y xrdp xorgxrdp
$ sudo apt install -y freerdp-x11
$ sudo apt install -y xrdp tigervnc-standalone-server
$ sudo systemctl enable xrdp
$ sudo systemctl restart xrdp

You need to log out from linux and connect your session from windows, log out from your session its going to help you to avoid a black screen from windows.

How to install Qt Designer for Python Linux Mint 19

First, we need update our Linux Mint

$ sudo apt-get update
$ sudo apt-get upgrade

And then PIP

$ sudo apt install python3-pip
$ sudo pip3 install PyQt5

Install Qt Designer
$ sudo apt-get install qtcreator pyqt5-dev-tools qttools5-dev-tools