Certificate Management with ‘acme.sh’ I like to manage my certificates on my own. If you work with Wildcard Certs, acme.sh is a nice and flexible ACME Client, purely written in Shell. It’s probably the easiest & smartest shell script to automatically issue & renew the free certificates. Basic Handling Get Version acme.sh --version run it # acme.sh --version https://github.com/acmesh-official/acme.sh v3.0.6 Upgrade Self are we up2date ? acme.sh --upgrade run it