📦 Installation Command
curl https://get.acme.sh | sh -s [email protected]
acme.sh SSL Certificate Configuration
acme.sh systemctl: cron job (installed automatically)Pure shell ACME client. Supports Let's Encrypt, ZeroSSL, and other CAs.
🔌 Default Port
80
tcp
HTTP-01 (or use DNS-01)
⚙️ Configuration Files
~/.acme.sh/account.conf~/.acme.sh/domain.com/domain.conf
📂 Default Directories
- config:
~/.acme.sh - data:
~/.acme.sh - logs:
~/.acme.sh/acme.sh.log - certs:
~/.acme.sh/domain.com/
🔐 Default Credentials
Username:N/A
Password:N/A
💡 Runs as installing user. Deploy hooks handle permissions.
📌 Dependencies
⚠️ Conflicts
✅ Works With
🛡️ Security Notes
Use DNS-01 for internal servers, protect account keys, use --install-cert for proper deployment
❓ Frequently Asked Questions
acme.sh vs Certbot?
acme.sh is pure shell with no dependencies. Certbot is Python-based with more features.
How to install acme.sh?
Run: curl https://get.acme.sh | sh
How to issue certificate?
Run: acme.sh --issue -d domain.com -w /var/www/html