gem을 사용하여 Ubuntu에 Rails를 설치하는 방법

gem을 사용하여 Ubuntu에 Rails를 설치하는 방법

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오류 메시지 :

Building native extensions.  This could take a while...
ERROR:  Error installing rails:
  ERROR: Failed to build gem native extension.

    /usr/bin/ruby2.1 -r ./siteconf20150328-1540-hff2f0.rb extconf.rb
checking if the C compiler accepts ... *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
  --with-opt-dir
  --without-opt-dir
  --with-opt-include
  --without-opt-include=${opt-dir}/include
  --with-opt-lib
  --without-opt-lib=${opt-dir}/lib
  --with-make-prog
  --without-make-prog
  --srcdir=.
  --curdir
  --ruby=/usr/bin/ruby2.1
  --help
  --clean
/usr/lib/ruby/2.1.0/mkmf.rb:456:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
  from /usr/lib/ruby/2.1.0/mkmf.rb:571:in `block in try_compile'
  from /usr/lib/ruby/2.1.0/mkmf.rb:522:in `with_werror'
  from /usr/lib/ruby/2.1.0/mkmf.rb:571:in `try_compile'
  from extconf.rb:80:in `nokogiri_try_compile'
  from extconf.rb:87:in `block in add_cflags'
  from /usr/lib/ruby/2.1.0/mkmf.rb:621:in `with_cflags'
  from extconf.rb:86:in `add_cflags'
  from extconf.rb:337:in `<main>'

extconf failed, exit code 1

Gem files will remain installed in /var/lib/gems/2.1.0/gems/nokogiri-1.6.6.2 for inspection.
Results logged to /var/lib/gems/2.1.0/extensions/x86_64-linux/2.1.0/nokogiri-1.6.6.2/gem_make.out

구성 :

1. Ubuntu 14.10 (GNU / Linux 3.16.0-23- 일반 x86_64)
2. gcc (Ubuntu 4.9.1-16ubuntu6) 4.9.1
3. 루비 2.1.2p95 (2014-05-08) [x86_64-linux-gnu]

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RVM을 사용하여 Ubuntu 14.04에서 Rails 4.2.4로 업그레이드 한 후 다음을 수행해야합니다.

sudo apt-get install libgmp-dev

또는

sudo apt-get install libgmp3-dev

전체 스택 추적 : http://ruby-on-rails-eq8.blogspot.co.uk/2015/10/solving-ubuntu-1404-ruby-c-dependancy.html

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Ruby 요구 사항이 누락 된 것 같습니다. RVM을 사용하는 경우 다음을 시도하십시오.

rvm requirements

종속성 목록을 가져와 수동으로 설치합니다.

그렇지 않으면 다음을 사용하여 알려진 기본 요구 사항을 직접 설치하십시오.

sudo apt-get install build-essential bison openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libxml2-dev autoconf libc6-dev ncurses-dev automake libtool

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Ruby에 대한 개발 종속성이 없기 때문에이 오류가 발생합니다.

이 문제를 해결하기 위해 RVM을 설치하고 사용하는 것이 좋습니다. https://rvm.io/rvm/install 에서 공식 및 업데이트 된 지침을 확인 하십시오.

At the time when I answer this question I followed these steps:

gpg --keyserver hkp://keys.gnupg.net --recv-keys
409B6B1796C275462A1703113804BB82D39DC0E3

\curl -sSL https://get.rvm.io | bash

If you get this warning

  * WARNING: You have '~/.profile' file, you might want to load it,
    to do that add the following line to '/home/mao/.bash_profile':

  source ~/.profile

execute this command:

echo source ~/.profile >> ~/.bash_profile

Then, reload/apply the bash_profile that you just updated by executing this:

source ~/.bash_profile

Finally run this to install the requirements:

rvm requirements

This should work for any Linux distribution like Ubuntu, Fedora, Debian, Redhat, Slackware.

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For Centos 7, Redhat 7 :

yum -y install gcc ruby-dev

참고URL : https://stackoverflow.com/questions/29317640/how-to-use-gem-to-install-rails-on-ubuntu