The solution to COMMAND NOT FOUND when COMPOSER cannot be installed

To install composer globally, download and install it according to the online method:

 

curl -sS https://getcomposer.org/installer | php
mv composer.phar /usr/local/bin/composer

 

 

then check the result

 

composer -V

 

 

will appear, bash: composer: command not found Installation on Unixes (Ubuntu, Debian, CentOS, etc.) 

If you encounter this problem, you can put composer in the path of /usr/local/bin/,

Change to the following directory /usr/bin/.

Workaround for LINUX commands:

# sudo mv /usr/local/bin/composer /usr/bin/composer

Then continue the test

 

#composer -V

It will display the correct version~