News and my experience working with GNU/Linux and open source softwares.
The package name is bsdmainutils, so:
apt install bsdmainutils
That's all there is to it.
Letsencrypt certs usually consists of these files: 1. cert.pem 2. chain.pem 3. fullchain.pem 4. privkey.pem I am not going to discuss about...
