How to install

1. Install from web: https://get.acme.sh

Install https://github.com/Neilpang/acme.sh

curl https://get.acme.sh | sh

or

wget -O -  https://get.acme.sh | sh

2. Or, install from GitHub:

curl https://raw.githubusercontent.com/Neilpang/acme.sh/master/acme.sh | INSTALLONLINE=1  sh

or:

wget -O -  https://raw.githubusercontent.com/Neilpang/acme.sh/master/acme.sh | INSTALLONLINE=1  sh

3. Or, git clone and install:

git clone https://github.com/Neilpang/acme.sh.git
cd acme.sh
./acme.sh --install

4. Advanced installation

git clone https://github.com/Neilpang/acme.sh.git
cd acme.sh
./acme.sh --install  \
--home ~/myacme \
--config-home ~/myacme/data \
--cert-home  ~/mycerts \
--accountemail  "hi@acme.sh" \
--accountkey  ~/myaccount.key \
--accountconf ~/myaccount.conf \
--useragent  "this is my client."

You don't need to set them all, just set those ones you care about.

Explanations :

• --home is a customized dir to install acme.sh in. By default, it installs into ~/.acme.sh
• --config-home is a writable folder, acme.sh will write all the files(including cert/keys, configs) there. By default, it's in --home
• --certhome is a customized dir to save the certs you issue. By default, it's saved in --config-home.
• --accountemail is the email used to register account to Let's Encrypt, you will receive renewal notice email here. Default is empty.
• --accountkey is the file saving your account private key. By default it's saved in --config-home.
• --useragent is the user-agent header value used to send to Let's Encrypt.