talking ssl-enabled smtp with php

This is just a repost so I remember. When talking SMTP via a PHP script with a webserver, remember to initiate with “EHLO” instead of the usual “HELO”. HELO does not allow for STARTTLS. Details: fwrite(): SSL operation failed with code 1. OpenSSL Error messages:error:1420C0CF:SSL routines:ssl_write_internal:protocol is shutdown

repost: remember how to manage root cas in centos

Basically this: How to add Certificate Authority file in CentOS 7 But more importantly: Check if the so installed new CA has made it into the recognized system CAs by doing this: Reference: How do I list all available SSL CA certificates on CentOS 6

clear all open panes in iterm2

These shortcuts and functions in iterm2 just made my life so much easier: clear buffer Cmd + k clear lines (Bash command) Ctrl + l input to all panes in current tab Cmd + Alt + i I clear panes quite often when working with containers and I usually have quite a number of panes open. Being able… Continue Reading clear all open panes in iterm2