grep -Ei 'MIIFazCCA1OgAwIBAg' /etc/ssl/certs/ca-certificates.crt
Nothing happen. I tried also with grep -E 'MIIFazCCA1OgAwIBAg' /etc/ssl/certs/ca-certificates.crt
but nothing in response.
update-ca-certificates
Updating certificates in /etc/ssl/certs... W: /usr/share/ca-certificates/mozilla/ISRG_Root_X1.crt not found, but listed in /etc/ca-certificates.conf.
0 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d...
done.
done.
Well, that's weird. Did you also run apt-get update ca-certificates? Maybe somehow force an update so it'll write the certificates to disk "freshly" or something? (I don't have experience with apt..)
Installing package(s) with command apt-get -y install certbot ..
Reading package lists...
Building dependency tree...
Reading state information...
certbot is already the newest version (0.28.0-1~deb9u2).
certbot set to manually installed.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
.. install complete.
No packages were installed. Check the messages above for the cause of the error.
update-ca-certificates
Updating certificates in /etc/ssl/certs...
W: /usr/share/ca-certificates/mozilla/ISRG_Root_X1.crt not found, but listed in /etc/ca-certificates.conf.
0 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d...
done.
done.