Next step with error…File or directory not found (in english)
root@h2937523:~# ln -s /opt/plesk/php/7.4/bin/php /var/www/vhosts/chroot/bin/phproot@h2937523:~# ./update_chroot.sh --apply all
-bash: ./update_chroot.sh: Datei oder Verzeichnis nicht gefunden
@stefan-franz check the comments section, I have find this : mv /usr/bin/php /usr/bin/php.backup mv /usr/bin/php-cgi /usr/bin/php-cgi.backup mv /sbin/php-fpm /sbin/php-fpm.backup ln -s /opt/plesk/php/7.4/bin/php /usr/bin/php ln -s /opt/plesk/php/7.4/bin/php-cgi /usr/bin/php-cgi ln -s /opt/plesk/php/7.4/sbin/php-fpm /sbin/php-fpm /usr/local/psa/admin/bin/php_handlers_control --reread /usr/local/psa/admin/sbin/httpdmng --reconfigure-all #to reset all the domains to php7.4 if required (can be done through Plesk UI) php -v #will confirm php7.4 but this is not enough as I discovered with other methods to set default php binary)