cd /root
git clone https://github.com/letsencrypt/letsencrypt
cd letsencrypt
./letsencrypt-auto --server https://acme-v01.api.letsencrypt.org/directory --help

https://acme-staging.api.letsencrypt.org/directory

https://acme-v01.api.letsencrypt.org/directory

cd /root/letsencrypt

./letsencrypt-auto certonly -a webroot --webroot-path /srv/www/example.com/ -d example.com -d www.example.com --server https://acme-staging.api.letsencrypt.org/directory

tar -cvzf /root/letsencrypt.tgz /etc/letsencrypt

./letsencrypt-auto certonly -a webroot --webroot-path /var/www/backends/ -d www.test-backend.com --server https://acme-staging.api.letsencrypt.org/directory

cd /etc/letsencrypt/
rm -rf archive/www.test-backend.com*
rm -rf live/www.test-backend.com*
rm -rf renewal/www.test-backend.com*
rm -rf keys/*
rm -rf csr/*

cd /etc/letsencrypt/live/www.test-backend.com/
cat privkey.pem cert.pem chain.pem > hiawatha-hc.pem
chown www-data:www-data hiawatha-hc.pem
chmod 440 hiawatha-hc.pem

service hiawatha check
/etc/init.d/hiawatha restart

tar -cvzf /root/letsencrypt.tgz /etc/letsencrypt
cd /etc/letsencrypt/
rm -rf archive/www.test-backend.com*
rm -rf live/www.test-backend.com*
rm -rf renewal/www.test-backend.com*

cd /root/letsencrypt
./letsencrypt-auto certonly -a webroot --webroot-path /var/www/backends/ -d www.test-backend.com --server https://acme-v01.api.letsencrypt.org/directory

cd /etc/letsencrypt/live/www.test-backend.com/
cat privkey.pem cert.pem chain.pem > hiawatha-hc.pem
chown www-data:www-data hiawatha-hc.pem
chmod 440 hiawatha-hc.pem

mkdir /root/scripts
vi /root/scripts/updatecerts

chmod +x /root/scripts/updatecerts

/root/scripts/updatecerts

cron crontab -e
30 03 01 */2 * /root/scripts/updatecerts >> /var/log/cron.log 2>&1