Thanks, I will try tonight.
Recently I came onto this. Does this also yield for DA?
https://www.linode.com/community/questions/18963/certbot-error-problem-binding-to-port-80
And I tested my domains with let's debug, no errors, but if you take a look ate the details I see:
Request to...
When I enable the mentioned repo I got:
failure: repodata/repomd.xml from mirror.centos.org_centos_7_os_x86_64_Packages_: [Errno 256] No more mirrors to try.
http://mirror.centos.org/centos/7/os/x86_64/Packages/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found
Update, Wrong mirror...
Today I discovered the certificate of the directadmin port 2222 was expired. Manual renew gives the same error: port 80 occupied. So solution did not work.
I checked and indeed I also have the old iproute Package. Not able to update, I am also using Centos 7. Whhen update message comes " No package marked for update", So for now I ended with editing letsencrypt.sh file and put it in /custom folder, like post #3 from your link.
Tried manually to...