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

composer --prefer-dist install

php composer.phar require --prefer-dist yiisoft/yii2-gii "*"

php composer.phar require --prefer-dist kop/yii2-scroll-pager "dev-master"

php composer.phar require -vvv --prefer-dist webcreate/jquery-ias "dev-master"

php composer.phar remove skeeks/cms-shop

• --prefer-dist - Не заливать репозиторий а взять из архива

"kop/yii2-scroll-pager": "dev-master"

php composer.phar show -i

php composer.phar update

COMPOSER_CACHE_DIR=/dev/null composer install

rm -rf "`composer config cache-dir`"

Could not fetch https://api.github.com/repos/jquery/jquery, please create a GitHub OAuth token to go over the API rate limit
Head to https://github.com/settings/tokens/new?scopes=repo&description=Composer+on+debian7+2015-08-18+1437
to retrieve a token. It will be stored in "/home/site/.composer/auth.json" for future use by Composer.
Token (hidden):

• Перейти по написанной в сообщении ссылке и сгенерировать token для вашего сервера (в нашем случае это https://github.com/settings/tokens/new?scopes=repo&description=Composer+on+debian7+2015-08-18+1437)
• Полученный token добавить в composer командой composer config github-oauth.github.com <ваш токен>

• composer global require "fxp/composer-asset-plugin:dev-master" https://github.com/francoispluchino/composer-asset-plugin

• https://www.youtube.com/playlist?list=PLY4rE9dstrJxQtN9m8W-IxAxI9PiDlXMa