composer require drush/drush

Drush Launcher:  https://github.com/drush-ops/drush-launcher

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cd /usr/local/bin

wget -O drush.phar https://github.com/drush-ops/drush-launcher/releases/download/0.6.0/drush.phar
sudo mv drush.phar /usr/local/bin/drush

cd /var/www/html/share/d871
drush status