How to install

Update your Linux repo with latest CA bundle and patches from System Update else some issues will occur when generating your free SSL. Once Completed then begin the below procedure

• you can run if centos: yum update ca-certificates

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

Install https://github.com/acmesh-official/acme.sh

curl https://get.acme.sh | sh -s email=my@example.com

or

wget -O -  https://get.acme.sh | sh -s email=my@example.com

2. Or, install from GitHub:

curl https://raw.githubusercontent.com/acmesh-official/acme.sh/master/acme.sh | sh -s -- --install-online -m  my@example.com

or:

wget -O -  https://raw.githubusercontent.com/acmesh-official/acme.sh/master/acme.sh | sh -s -- --install-online -m  my@example.com

3. Or, git clone and install:

git clone https://github.com/acmesh-official/acme.sh.git
cd acme.sh
./acme.sh --install -m  my@example.com

4. Advanced installation

git clone https://github.com/acmesh-official/acme.sh.git
cd acme.sh
./acme.sh --install  \
--home ~/myacme \
--config-home ~/myacme/data \
--cert-home  ~/mycerts \
--accountemail  "my@example.com" \
--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
• --cert-home 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 an account to Let's Encrypt, you will receive a renewal notice email here.
• --accountkey is the file saving your account private key. By default, it's saved in --config-home.
• --user-agent is the user-agent header value used to send to Let's Encrypt.