acme.sh

An ACME Shell script: acme.sh

• An ACME protocol client written purely in Shell (Unix shell) language.
• Full ACME protocol implementation.
• Support ECDSA certs
• Support SAN and wildcard certs
• Simple, powerful and very easy to use. You only need 3 minutes to learn it.
• Bash, dash and sh compatible.
• Purely written in Shell with no dependencies on python.
• Just one script to issue, renew and install your certificates automatically.
• DOES NOT require root/sudoer access.
• Docker ready
• IPv6 ready
• Cron job notifications for renewal or error etc.