1. Snapd (https://snapcraft.io/docs/installing-snap-on-debian)

sudo apt update
sudo apt install snapd

o

$ su root
# apt update
# apt install snapd

2. sudo apt-get remove certbot

3. sudo snap install –classic certbot

4. sudo ln -s /snap/bin/certbot /usr/bin/certbot

5.

sudo certbot –apache
o

sudo certbot certonly --apache

6. sudo certbot renew –dry-run

Fuente: https://certbot.eff.org/instructions?ws=apache&os=debianbuster