ACME.SH

Getting ACME.SH

git clone https://github.com/acmesh-official/acme.sh.git
cd ./acme.sh
./acme.sh --install -m [EMAIL]

First time ZeroSSL registration

.acme.sh/acme.sh --register-account -m [EMAIL]

Issue new certificate

Needs root to start a server on port 80

.acme.sh/acme.sh --issue --standalone -d [DOMAIN]

Issue new certificate with DNS API

Official Documentation

Gandi

Create a personal access token with permissions to "Manage domain name technical configurations"

export GANDI_LIVEDNS_TOKEN="[Personal Access Token]"

Warning: export GANDI_LIVEDNS_KEY="[API KEY]" is deprecated

.acme.sh/acme.sh --issue --dns dns_gandi_livedns -d [DOMAIN]

Install certificate

Make sure to create the /etc/acme-sh/(url) directory

export url=[URL] \
    && mkdir -p /etc/acme-sh/{$url} \
    && .acme.sh/acme.sh --install-cert -d $url \
        --key-file       /etc/acme-sh/{$url}/key.pem  \
        --fullchain-file /etc/acme-sh/{$url}/cert.pem \
        --reloadcmd     "sudo systemctl restart nginx"

Systems Service & Timer

/etc/systemd/system/acme-sh.service

[Unit]
Description=Renew certificates using acme.sh
After=network-online.target

[Service]
Type=oneshot
ExecStart=(path to acme.sh) --cron --home (path to acme folder)
User=wiki

SuccessExitStatus=0 2

/etc/systemd/system/acme-sh.timer

[Unit]
Description=Daily renewal of certificates

[Timer]
OnCalendar=daily
RandomizedDelaySec=1h
Persistent=true

[Install]
WantedBy=timers.target

Enable timer

systemctl enable --now acme-sh.timer