Uninstalling letsencrypt onto rasperry pi 2 - How do?

Hello there,

I just tried to install letsencrypt onto my rasperry pi 2 via


and using the ./letsencrypt-auto certonly comment
and made some changes at /etc/apache2/sites-available/ and /etc/apache2/sites-enabled/

nano /etc/apache2/sites-enabled/GzeJ2e4m.htm

<VirtualHost *:80>
DocumentRoot /etc/apache2/sites-available/vhost/
ServerName xy.no-ip.biz/GzeJ2e4m.htm

<VirtualHost *:443>
DocumentRoot /etc/apache2/sites-available/vhost/
ServerName xy.no-ip.biz/GzeJ2e4m.htm
ErrorLog {APACHE_LOG_DIR}/error.log CustomLog {APACHE_LOG_DIR}/access.log combined

nano /etc/apache2/sites-available/vhost/GzeJ2e4m.htm

I have my htm file located

see more here

I got also the message

Your certificate and chain have been saved at

but fromthis time my server apache won’t run any more and my side is via htpps:// death.

How my I go back to my working apache 2 config and deinstall all files of letsencrypt?

The link Uninstalling letsencrypt doesn’t help me till now!