Cannot create cache directory, arahan pantas untuk fix

Cannot create cache directory /home/sairi/.composer/cache/repo/https---packages.drupal.org-8/, or directory is not writable. Proceeding without cache
Cannot create cache directory /home/sairi/.composer/cache/repo/https---packagist.org/, or directory is not writable. Proceeding without cache
Cannot create cache directory /home/sairi/.composer/cache/files/, or directory is not writable. Proceeding without cache

masukkan arahan berikut :
sudo chown -R $USER $HOME/.composer

error is fix, tadda

:D simple