Let’s encrypt

Reference

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

https://letsencrypt.org/docs/

Command

# download & install
su root
cd ~
curl  https://get.acme.sh | sh
cd /root/.acme.sh/

# check acme cron
crontab -l
50 0 * * * "/root/.acme.sh"/acme.sh --cron --home "/root/.acme.sh" > /dev/null

# issue
acme.sh --issue -d yourdomain.com  --dns --yes-I-know-dns-manual-mode-enough-go-ahead-please

# add dns text

# verify dns text
dig -t txt  _acme-challenge.yourdomain.com @8.8.8.8

# renew
acme.sh --renew  -d *.clsn.io -d clsn.io --dns --yes-I-know-dns-manual-mode-enough-go-ahead-please