- Plesk for Linux
While installing a Let's Encrypt SSL certificate for a domain, the following error appears:
PLESK_ERROR: Error: Could not issue a Let's Encrypt SSL/TLS certificate for example.com
Could not obtain directory: cURL error 77: (see http://curl.haxx.se/libcurl/c/libcurl-errors.html )
SSL packages are outdated on the system.
Login to the server over SSH .
Update server using:
# yum update