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letsencrypt-cli

CLI for node-letsencrypt modeled after the official client.

Free SSL Certificates
90-day certificate lifetime
One-off standalone registration / renewal
On-the-fly registration / renewal via webroot

Install Node

For Windows:

Choose Stable from https://nodejs.org/en/

For Linux and OS X:

curl -L bit.ly/iojs-min | bash

Install LetsEncrypt

npm install -g letsencrypt-cli

Usage

These commands are shown using the testing server.

When you want to use the live server, simply remove the --server https://acme-staging.api.letsencrypt.org/directory or change it to --server https://acme-v01.api.letsencrypt.org/directory.

Note: This has really only been tested with single domains so if multiple domains doesn't work for you, file a bug.

Standalone

letsencrypt certonly \
  --agree-tos --email john.doe@example.com \
  --standalone \
  --domains example.com,www.example.com \
  --server https://acme-staging.api.letsencrypt.org/directory \

WebRoot

letsencrypt certonly \
  --agree-tos --email john.doe@example.com \
  --webroot --webroot-path /srv/www/acme-challenge \
  --domains example.com,www.example.com \
  --server https://acme-staging.api.letsencrypt.org/directory

Run without Root

If you'd like to allow node.js to use privileged ports 80 and 443 (and everything under 1024 really) without being run as root or sudo, you can use setcap to do so. (it may need to be run any time you reinstall node as well)

sudo setcap cap_net_bind_service=+ep /usr/local/bin/node

Command line Options

Usage:
  letsencrypt [OPTIONS] [ARGS]

Options:
      --email EMAIL             Email used for registration and recovery contact. (default: null)

      --domains URL             Domain names to apply. For multiple domains you can enter a comma
                                separated list of domains as a parameter. (default: [])

      --duplicate BOOLEAN       Allow getting a certificate that duplicates an existing one

      --agree-tos BOOLEAN       Agree to the Let's Encrypt Subscriber Agreement

      --debug BOOLEAN           show traces and logs

      --tls-sni-01-port NUMBER  Port number to perform tls-sni-01 challenge.
                                Boulder in testing mode defaults to 5001. (default: 443 and 5001)

      --http-01-port [NUMBER]   Port used in the SimpleHttp challenge. (Default is 80)

      --rsa-key-size [NUMBER]   Size (in bits) of the RSA key. (Default is 2048)

      --cert-path STRING        Path to where new cert.pem is saved
                                (Default is :conf/live/:hostname/cert.pem)

      --fullchain-path [STRING] Path to where new fullchain.pem (cert + chain) is saved
                                (Default is :conf/live/:hostname/fullchain.pem)

      --chain-path [STRING]     Path to where new chain.pem is saved
                                (Default is :conf/live/:hostname/chain.pem)

      --domain-key-path STRING  Path to privkey.pem to use for domain (default: generate new)

      --config-dir STRING       Configuration directory. (Default is ~/letsencrypt/etc/)

      --server [STRING]         ACME Directory Resource URI. (Default is https://acme-v01.api.letsencrypt.org/directory))

      --standalone [BOOLEAN]    Obtain certs using a "standalone" webserver.  (Default is true)

      --webroot BOOLEAN         Obtain certs by placing files in a webroot directory.

      --webroot-path STRING      public_html / webroot path.

  -h, --help                    Display help and usage details

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