Renew let’s encrypt SSL cert on Debian

A note for how I renew blahdns.com let’s encrypt SSL cert

// Renew
certbot certonly --cert-name dot-jp.blahdns.com --force-renewal

// Merge SSL fullchain and privkey into 1 pem

cd /etc/letsencrypt/archive/dot-de.blahdns.com/
cat fullchain3.pem privkey3.pem > /etc/haproxy/dot-de.blahdns.pem

// restart HAProxy
service haproxy restart

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