I tried to renew a certificate on Ubuntu 16.04 and Apache for my website. To test it I put in:
sudo letsencrypt renew --dry-run
But I get the following error message:
WARNING:letsencrypt.cli:Attempting to renew cert from /etc/letsencrypt/renewal/myserver.com.conf produced an unexpected error: 'server'. Skipping.
So I tried it with:
sudo certbot renew --dry-run
Then I get:
Command not found
What can I do?