Troubleshoot Linux using PHP commands-base Comment not found and install composer

Get the installation directory for PHP

Use Find/-name php.ini to see where PHP is installed

/usr/local/php/lib/php.ini

# CD to/usr/local/php/lib/php.ini directory, view php file permissions
LS-Ltotal59464-rwxr-xr-x1Root root837Jan to  2018Pear-rwxr-xr-x1Root root858Jan to  2018Peardev-rwxr-xr-x1Root root774Jan to  2018pecllrwxrwxrwx1Root root9Jan to  2018PharPhar.phar-rwxr-xr-x1Root root53494Jan to  2018Phar.phar-rwxr-xr-x1Root root30458256Jan to  2018PHP-rwxr-xr-x1Root root30345152Jan to  2018php-CGI-rwxr-xr-x1Root root2382Jan to  2018php-Config-rwxr-xr-x1Root root4538Jan to  2018Phpize

Setting environment Variables for PHP

First look at the current environment variables

Echo $PATH
#/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin

Here we see that there is no PHP, so we add PHP in

Export path= $PATH:/usr/local/php/bin

View all environment variables using the Echo $PATH

:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin:/usr/local/php/bin

Test at any location using PHP commands

php- version 5.6.  -  to 2018 All:1997-the  PHP groupzend Engine v2. 6.0 1998- Zend Technologies

Install global composer

# This command is used to download a Composer.phar file
Curl-ss https://Getcomposer.org/installer | php

The installation succeeds as follows

Global Use composer command, Composer.phar move into bin

MV Composer.phar/usr/local/bin/composer

Troubleshoot Linux using PHP commands-base Comment not found and install composer