Install Details:
Step 1: Open your SSH console, as root, and run those command
Step 2: wget http://dl.mycity.tech/vesta/generate_ssl -O /usr/local/bin/generate_ssl
Step 3: chmod u+x /usr/local/bin/generate_ssl
Step 4: generate_ssl  vestacp_username domain name
like: generate_ssl admin vc.avirahost.xyz
Step 5: Login VestaCP control Panel and enable ssl