Configure sending mail by sendmail in Ubuntu Linux

Background: I need email functionality to send emails from the web server by querying data from MySQL database and email the result to appropriate recipient. Workaround:  Install sendmail. sudo apt-get update sudo apt-get install sendmail Install mailutils. sudo apt-get install mailutils Configure the /etc/hosts file, provide your domain name in the following format 127.0.0.1 localhost…

Oracle Error: No listener – LISTENER failing to start upon windows startup

Case: Today morning on my development machine (Windows 10 ) I can’t login to the oracle schema with toad or from my application showing Oracle Error : No listener. Upon further investigation found that listener is not starting Automatically though its service configured to run automatically. Workaround: To resolve the “No Listener”, restarted workstation several times after changes…