# change sources.list
mv /etc/apt/sources.list /etc/apt/sources.list.old
echo deb http://deb.devuan.org/merged beowulf          main >> /etc/apt/sources.list
echo deb http://deb.devuan.org/merged beowulf-updates  main >> /etc/apt/sources.list
echo deb http://deb.devuan.org/merged beowulf-security main >> /etc/apt/sources.list
 
# NOTE: you should check sources.list.d for any extra listings before you proceed.
 
apt update
apt -y upgrade
apt -y dist-upgrade
apt -y autoremove
reboot
 
# remove certbot-auto and install via apt
mkdir ~/trash
mv /opt/eff.org /etc/cron.d/certbot /usr/local/bin/certbot-auto ~/trash
apt install certbot

• https://certbot.eff.org/docs/uninstall.html
• https://www.devuan.org/os/packages
• https://www.stackovercloud.com/2020/05/18/how-to-install-jitsi-meet-on-debian-10/