Mac OS email sending log
log stream --predicate '(process == "smtpd") || (process == "smtp")' --info
log stream --predicate '(process == "smtpd") || (process == "smtp")' --info
Find file containing specific text on Linux, Mac OS X using command line
Hide all categories without products and show categories with products
Make Simple Products of Configurable “Not Visible Individually”
Get locked transactions in MySQL
Generate Self-signed SSL Certificate