Page not available since installing certbot certificate

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My domain is: The requested URL was not found on this server.

I ran this command:
sudo ufw allow 443

sudo add-apt-repository ppa:certbot/certbot

sudo apt install certbot python-certbot-apache

sudo certbot --apache

It produced this output:

Die Website ist nicht erreichbar hat die Verbindung abgelehnt.

Versuche Folgendes:


My web server is (include version): Apache/2.4.41 ubuntu

The operating system my web server runs on is (include version):Apache/2.4.41 ubuntu

My hosting provider, if applicable, is: selfmade datalyx

I can login to a root shell on my machine (yes or no, or I don't know): yes

I'm using a control panel to manage my site (no, or provide the name and version of the control panel):

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot):

after the error i delete certbot certificate with the command
certbot delete

but the output (error) is still there

What's the output of:

sudo apachectl -t -D DUMP_VHOSTS
sudo ss -tlnp 'sport = :https'

What good did that do?

curl -Ii
HTTP/1.1 301 Moved Permanently
Date: Wed, 22 Mar 2023 11:01:50 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Type: text/html; charset=iso-8859-1

curl -Ii
curl: (7) Failed to connect to port 443: No route to host

I would handle the ACME challenge requests in HTTP [do not redirect them to HTTPS].


I don't think this is a recommended method of installing Certbot any longer. I believe the PPA is not maintained. Please see for the current recommendations for installing Certbot.


sudo apachectl -t -D DUMP_VHOSTS
AH00526: Syntax error on line 33 of /etc/apache2/sites-enabled/000-default-le-ssl.conf:
SSLCertificateFile: file '/etc/letsencrypt/live/' does not exist or is empty
Action '-t -D DUMP_VHOSTS' failed.
The Apache error log may have more information.

sudo ss -tlnp 'sport = :https'
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 511 *:443 : users:(("apache2",pid=612894,fd=6),("apache2",pid=612378,fd=6),("apache2",pid=612377,fd=6),("apache2",pid=612376,fd=6),("apache2",pid=612375,fd=6),("apache2",pid=612286,fd=6),("apache2",pid=612279,fd=6),("apache2",pid=612277,fd=6),("apache2",pid=612267,fd=6),("apache2",pid=245268,fd=6),("apache2",pid=989,fd=6))

before i installed the certbot certificate the page was available. so i hoped with deleting the certificate my page is available again. i took help from this blog (it is german).
but i doesn´t change anything.

You also have to remove the Apache config changes.

In short, disable the HTTPS (port 443) VirtualHost file and remove the redirect to HTTPS in the HTTP (port 80) VirtualHost

Another approach is here:


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