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How to install
Update the Linux/BSD system with latest CA bundle and patches from System Update otherwise some issues may occur when generating your free SSL certificates. Once completed begin with the install procedure below.
- CentOs:
yum update ca-certificates
- Debian:
apt update ; apt install ca-certificates
(updates package if already installed)
also applies to Debian-based distros like Ubuntu, LinuxMint, etc.
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
curl https://github.com/raw/acmesh-official/acme.sh/master/acme.sh | sh -s -- --install-online -m my@example.com
or:
wget -O - https://github.com/raw/acmesh-official/acme.sh/master/acme.sh | sh -s -- --install-online -m my@example.com
git clone --depth 1 https://github.com/acmesh-official/acme.sh.git
cd acme.sh
./acme.sh --install -m my@example.com
git clone --depth 1 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 installacme.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
. -
--useragent
is the user-agent header value used to send to Let's Encrypt. -
--nocron
install acme.sh without cronjob
If already using certbot, then there is the possiblity to convert its LE account data to acme.sh format. See https://github.com/maddes-b/linux-stuff/tree/main/acme.sh .
If re-using the LE account created from certbot, then it is recommended not to specify -m/--email
during installation.
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