Lets Encrypt installation fails in SolusVM

Symptoms 

Let's Encrypt certificate installation on SolusVM via /usr/local/svmstack/letsencrypt/letsencrypt script fails:

# /usr/local/svmstack/letsencrypt/letsencrypt -i
...
Could not resolve host: acme-v01.api.letsencrypt.org

Cause

SolusVM bug with ID SVM-3362 which will be fixed in future SolusVM updates.

Resolution

As a workaround, install certificate using this article.