heroku login :29:in `require': no such file to load -- readline (LoadError) from :29:in `require' from /usr/local/heroku/lib/heroku/command/run.rb:1:in `' from :29:in `require' from :29:in `require' from /usr/local/heroku/lib/heroku/comman…

apt-add-repository 'deb http://toolbelt.herokuapp.com/ubuntu ./' curl http://toolbelt.herokuapp.com/apt/release.key | apt-key add - gpg: 書込み可能な鍵輪が見つかりません: eof gpg: 「-」の読出しエラー: 一般的なエラー gpg: import from `-' fa…

rails s no such file to load -- opensslruby-1.9.2-p290/ext/opensslに移動 ruby extconf.rb コンパイルできない。 sudo apt-get install libssl-dev ruby extconf.rb make sudo make install

/usr/local/lib/ruby/gems/1.9.1/gems/execjs-1.2.8/lib/execjs/runtimes.rb:47:in `autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable) from …