apt update
apt install snapd
snap install core; snap refresh core
apt-get remove certbot
snap install --classic certbot
ln -s /snap/bin/certbot /usr/bin/certbot
snap set certbot trust-plugin-with-root=ok
snap install --beta certbot-dns-cloudflare
snap connect certbot:plugin certbot-dns-cloudflare
vim ~/.secrets/certbot/cloudflare.ini
dns_cloudflare_api_token = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
certbot certonly \
--dns-cloudflare \
--dns-cloudflare-credentials ~/.secrets/certbot/cloudflare.ini \
-d srv24x7.com \
-d *.srv24x7.com