First Open this video in video commands show here is commands below
https://www.youtube.com/watch?v=e_cfDxrRGAs

Install aaPanel
From below command
NOTE: server Must UBUNTU 20

Install aaPanel

######################

wget -O install.sh http://www.aapanel.com/script/install-ubuntu_6.0_en.sh && sudo bash install.sh aapanel

press    y
presss    n

now take 1 minute to 2 minute only
copy link and username & password

Open youtube videos see everything

######################


location / {
          try_files $uri $uri/ /index.php;
          }

          location /install {
          try_files $uri $uri/ /install/index.php;
          }



location / {
              proxy_pass http://localhost:7891; #whatever port your app runs on
              proxy_http_version 1.1;
              proxy_set_header Upgrade $http_upgrade;
              proxy_set_header Connection 'upgrade';
              proxy_set_header Host $host;
              proxy_cache_bypass $http_upgrade;
          }



Install Extension
imap, exif, fileinfo, intl
===========================================================
CRON
1 Minute
sh -c 'cd /root/wa_server && node app'
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sudo apt-get install libnss3-dev libatk-bridge2.0-dev libcups2-dev libxkbcommon-dev libgtk-3-dev

curl -sL https://deb.nodesource.com/setup_16.x | sudo -E bash -

sudo apt install nodejs

sudo npm i pm2 -g

wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb

sudo apt install ./google-chrome-stable_current_amd64.deb

===========================================================

Run installation wizard as well
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Main Important Task

Please do not remove or change webflop.net on config.js

Go to modules & themes to activate license

goto  Settings->General
 
change your own domain and isntance id or token for receiving OTPs

===========================================================

Run the following sql on your phpMyAdmin:

DELIMITER $$
CREATE TRIGGER `addPhone` BEFORE INSERT ON `sp_whatsapp_schedules` FOR EACH ROW BEGIN
DECLARE vPhone mediumtext;
SELECT name FROM sp_account_manager WHERE id = NEW.account_id INTO vPhone;
SET NEW.phone = vPhone;
Set NEW.phones_send = '[]';
Set NEW.phones_fail = '[]';
END
$$
DELIMITER ;
DELIMITER $$
CREATE TRIGGER `reportSender` BEFORE UPDATE ON `sp_whatsapp_schedules` FOR EACH ROW BEGIN
DECLARE nNumber TEXT;
DECLARE nArray TEXT;

IF new.sent > old.sent THEN
	SELECT REPLACE(JSON_EXTRACT(new.result, CONCAT('$[',JSON_LENGTH(new.result)-1,']')), '"', '') into nNumber;
    SELECT JSON_ARRAY_INSERT(old.phones_send,  '$[0]', nNumber) into nArray;
    set new.phones_send = nArray;
END IF;

IF new.failed > old.failed THEN
	SELECT REPLACE(JSON_EXTRACT(new.result, CONCAT('$[',JSON_LENGTH(new.result)-1,']')), '"', '') into nNumber;
    SELECT JSON_ARRAY_INSERT(old.phones_fail,  '$[0]', nNumber) into nArray;
    set new.phones_fail = nArray;
END IF;


END
$$
DELIMITER ;
DELIMITER $$
CREATE TRIGGER `updatePhone` BEFORE UPDATE ON `sp_whatsapp_schedules` FOR EACH ROW BEGIN
DECLARE vPhone mediumtext;
SELECT name FROM sp_account_manager WHERE id = NEW.account_id INTO vPhone;
SET NEW.phone = vPhone;
END
$$
DELIMITER ;