Solved: (cron) info (No MTA installed, discarding output) error
Problem
Received SSL certificate problem: unable to get local issuer certificate error
when executing curl
request to a secure HTTPS destination.
Cause of the problem
If you get SSL certificate problem: unable to get local issuer certificate error, it's an indication that your root and intermediate certificates on the system are not working correctly or not set up correctly.
Solution
- Download the latest
cacert.pem
from https://curl.haxx.se/ca/cacert.pem - Add the
--cacert /path/to/cacert.pem
flag to the curl command to tell curl where the local Certificate Authority file is.
If you are using PHP:
Add the following line to the php.ini file or users.ini if you are on the shared hosting:
curl.cainfo="/path/to/downloaded/cacert.pem"
-
Solved: Error 526 Invalid SSL Certificate
Error 526 indicates Cloudflare is unable to successfully validate the SSL certificate on the origin web server and the SSL setting in the Cloudflare SSL/TLS app is set to Full SSL (Strict) for the website.
Questions -
Does each subdomain need its own SSL certificate?
This depends purely on what type of certificate you have. You can have a standard single domain certificate. Aside from that, you can also get two following types of certificates.
Questions -
Solved: SSL_Error_rx_record_too_long
The usual cause is that the implementation of SSL on your server is not correct. The error is usually caused by a server-side problem which the server administrator will need to investigate.
Questions -
How to generate a private key for the existing .crt file on Apache?
Unfortunately, this is not possible. You cannot generate a private key out of an existing certificate. If it would be possible, you would be able to impersonate virtually any HTTPS webserver.
Questions
We are hiring.
Software is our way of making the world a tiny bit better. We build tools for the makers of tomorrow.
Help us in making the internet more reliable.

Help us with developer education and get paid.
