Solving “su -c” authentication failure in Kali GNU/Linux
This Tip is Solving the “su -c” authentication failure on Kali GNU/Linux.
1. Fixing Command
Then to Solve the Authentication Issue in Kali
Try instead:sudo su -c [MYCOMMAND]
$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }