osyo-manga https://blog.hatena.ne.jp/osyo-manga/ Secret Garden(Instrumental) https://secret-garden.hatenablog.com/ Ruby $ gem install do_postgres したら以下のようにエラーになった。 Building native extensions. This could take a while... ERROR: Error installing do_postgres: ERROR: Failed to build gem native extension. /usr/bin/ruby2.1 -r ./siteconf20150308-31837-a4mid6.rb extconf.rb checking for main() in -lpq... yes checking for libpq… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsecret-garden.hatenablog.com%2Fentry%2F2015%2F03%2F08%2F205347" title="ubuntu で gem install do_postgres に失敗した - Secret Garden(Instrumental)" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2015-03-08 20:53:47 rich https://secret-garden.hatenablog.com/entry/2015/03/08/205347 1.0 100%