I try to install monit in Debian Buster, but it sais
Package monit is not available, but is referred to by another package.
How do I find out this referenced package? Or do I need to install an alternative monitoring too in buster?
On Debian Buster, monit is available on backports repository.
Add buster-backports:
printf "%s\n" "deb http://ftp.de.debian.org/debian buster-backports main" | \
sudo tee /etc/apt/sources.list.d/buster-backports.list
Install monit:
sudo apt update
sudo apt install -t buster-backports monit