A recent attempt to run an update composer (regular activity for many of us), I had a memory limit issue.  This was surprising because the memory setting via Plesk is set to 2G.  Yet through Terminal it was showing only 128MB.  What gives??   The error I was seeing: PHP Fatal error: Allowed memory size of 1610612736 bytes exhausted (tried to allocate 32 bytes) in phar:///usr/lib64/plesk-9.0/composer.phar/src/Composer/DependencyResolver/Pool.php on line...

This page shows a growing list of common commands for viewing and managing your Centos server. ls syntax $ ls [options] [file|dir] ls command main options: ls -a list all files including hidden file starting with '.' ls --color colored list [=always/never/auto] ls -d list directories - with ' */' ls -F add one char of */=>@| to enteries ls -i list file's inode index number ls -l list with long format - show permissions ls -la list long format including hidden files ls...