permission denied for composer in /usr/local/bin/

Question

I followed the documentation on https://getcomposer.org/doc/00-intro.md#globally to install composer globally on arch linux. When I do composer self-update, I g

Answer 1

On Ubuntu server >= 16.04

FIRST

sudo rm /usr/local/bin/composer

AND

cd ~/.cache/composer
chmod 755 composer-temp.phar
sudo mv composer-temp.phar /usr/local/bin/composer