Question Trouble php-5.6 on Debian9 and Plesk Onyx 17.8

[Shorty]

Hi,
I have a problem with php5.6 install on my server with Debian9 and Plesk Onyx 17.8 who I install php-5.6 following the instructions below.

apt install apt-transport-https lsb-release ca-certificates -y
wget -O /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg
sh echo "deb Index of /php/ $ (lsb_release -sc) main"> /etc/apt/sources.list.d/php.list

apt-get update
apt-get install php5.6 php5.6-fpm php5.6-cgi php5.6-mysql php5.6-xsl php5.6-xml php5.6-tidy php5.6-recode php5.6-mcrypt php5.6 -mbstring php5.6-intl php5.6-gd php5.6-curl php5.6-json php5.6-imagick php5.6-bcmath php5.6-readline php5.6-sqlite3

plesk bin php_handler --add -displayname "5.6 by sury.org" -path /usr/bin/php-cgi5.6 -clipath /usr/bin/php5.6 -phpini /etc/php/5.6/cgi/etc/ php.ini -type cgi -id "php56-cgi"
plesk bin php_handler --add -displayname "5.6 by sury.org" -path /usr/bin/php-cgi5.6 -clipath /usr/bin/php5.6 -phpini /etc/php/5.6/cgi/etc/ php.ini -type fastcgi -id "php56-fastcgi"
plesk bin php_handler --add -displayname "5.6 by sury.org" -path /usr/sbin/php-fpm5.6 -clipath /usr/bin/php5.6 -phpini /etc/php/5.6/fpm/etc/ php.ini -type fpm -service php5.6-fpm -poold /etc/php/5.6/fpm/pool.d -id "php56-fpm"

If php-5.6 is installed but as soon as I select it at a customer / domain, the other websites that are on the selbern server are no longer available, I hope that you can help me here to solve the problem.

Sorry for my bad english its German Translate

 

[IgorG]

Is it possible to install PHP 5.x in Plesk on Debian 9 and Ubuntu 18 via Plesk Installer?

 

[Shorty]

I also found this through Google and tested it with the same result as described in the first topic.