这似乎与其他发布的问题相似,但实际上是一个不同的问题,并且使用了不同(更新)的版本(因此是新问题)。
在Ubuntu 10.10 Maverik上进行了适度更新的安装后,我尝试使用RVM安装Rails,就像我以前在其他发行版上做的那样。
以下大致是我所采取的步骤:
然而,我的PATH是:
任何帮助或指导都将不胜感激。与此同时,我将继续努力解决问题。
在Ubuntu 10.10 Maverik上进行了适度更新的安装后,我尝试使用RVM安装Rails,就像我以前在其他发行版上做的那样。
以下大致是我所采取的步骤:
- 安装RVM:
bash < <(curl -s https://rvm.beginrescueend.com/install/rvm)
- 使用apt-get安装一堆依赖项(curl、zlib-dev、g++、openssl、apache2-dev、libsqlite3-dev、libreadline5-dev)
- 安装Ruby:
rvm install 1.9.2; rvm use 1.9.2 --default
- 安装Passenger(用于与Apache配合使用):
rvm gem install passenger
构建Apache Passenger模块:
passenger-install-apache2-module
请注意,我实际上在这里遇到了一个无关的问题:它未通过openssl的依赖项检查。我发现只需执行
ruby -e 'require "openssl"'
就会出现错误。因此,按照我在http://www.ruby-forum.com/topic/90083#175543中找到的说明,在src/ruby-1.9.2-p290/ext/openssl/
中解决了该问题,然后成功安装了Passenger模块。决定为rails3创建一个gemset,因为我计划稍后测试3.1:
rvm use --create 1.9.2@rails3
- 安装rails:
rvm gem install rails
看起来一切都很顺利(除了 ri 和 RDoc 生成时出现的一些警告)。然而,现在如果我在新的 shell 登录后输入 rails
,我只会得到:
The program 'rails' is currently not installed. You can install it by typing:
apt-get install rails
然而,我的PATH是:
/usr/local/rvm/gems/ruby-1.9.2-p290@rails3/bin:/usr/local/rvm/gems/ruby-1.9.2-p290@global/bin:/usr/local/rvm/rubies/ruby-1.9.2-p290/bin:/usr/local/bin:/usr/local/sbin:/usr/sbin:/usr/bin:/sbin:/bin
而且rvm info
显示:
ruby-1.9.2-p290@rails3:
system:
uname: "Linux domU-12-31-39-15-36-1A 2.6.35-24-virtual #42-Ubuntu SMP Thu Dec 2 05:01:52 UTC 2010 i686 GNU/Linux"
bash: "/bin/bash => GNU bash, version 4.1.5(1)-release (i686-pc-linux-gnu)"
zsh: " => not installed"
rvm:
version: "rvm 1.6.32 by Wayne E. Seguin (wayneeseguin@gmail.com) [https://rvm.beginrescueend.com/]"
ruby:
interpreter: "ruby"
version: "1.9.2p290"
date: "2011-07-09"
platform: "i686-linux"
patchlevel: "2011-07-09 revision 32553"
full_version: "ruby 1.9.2p290 (2011-07-09 revision 32553) [i686-linux]"
homes:
gem: "/usr/local/rvm/gems/ruby-1.9.2-p290@rails3"
ruby: "/usr/local/rvm/rubies/ruby-1.9.2-p290"
binaries:
ruby: "/usr/local/rvm/rubies/ruby-1.9.2-p290/bin/ruby"
irb: "/usr/local/rvm/rubies/ruby-1.9.2-p290/bin/irb"
gem: "/usr/local/rvm/rubies/ruby-1.9.2-p290/bin/gem"
rake: "/usr/local/rvm/gems/ruby-1.9.2-p290@global/bin/rake"
environment:
PATH: "/usr/local/rvm/gems/ruby-1.9.2-p290@rails3/bin:/usr/local/rvm/gems/ruby-1.9.2-p290@global/bin:/usr/local/rvm/rubies/ruby-1.9.2-p290/bin:/usr/local/bin:/usr/local/sbin:/usr/sbin:/usr/bin:/sbin:/bin"
GEM_HOME: "/usr/local/rvm/gems/ruby-1.9.2-p290@rails3"
GEM_PATH: "/usr/local/rvm/gems/ruby-1.9.2-p290@rails3:/usr/local/rvm/gems/ruby-1.9.2-p290@global"
MY_RUBY_HOME: "/usr/local/rvm/rubies/ruby-1.9.2-p290"
IRBRC: "/usr/local/rvm/rubies/ruby-1.9.2-p290/.irbrc"
RUBYOPT: ""
gemset: "rails3"
所以,我向一些Rails/Ruby/Ubuntu大师提出问题:这里到底发生了什么?如果我只需要将路径添加到我的PATH中以使bash能够找到rails,我无法弄清楚应该添加什么。 执行find /usr/local/rvm -name rails的结果是:
/usr/local/rvm/src/rvm/scripts/extras/rails
/usr/local/rvm/scripts/extras/rails
/usr/local/rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.7/test/ruby/shared/rails
/usr/local/rvm/gems/ruby-1.9.2-p290/gems/passenger-3.0.7/test/stub/rails_apps/3.0/empty/script/rails
/usr/local/rvm/gems/ruby-1.9.2-p290/gems/rails-3.0.9/bin/rails
/usr/local/rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.0.9/lib/rails
/usr/local/rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.9/lib/rails
/usr/local/rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.9/lib/rails/generators/rails
/usr/local/rvm/gems/ruby-1.9.2-p290/gems/railties-3.0.9/lib/rails/generators/rails/app/templates/script/rails
/usr/local/rvm/gems/ruby-1.9.2-p290/gems/actionmailer-3.0.9/lib/rails
/usr/local/rvm/gems/ruby-1.9.2-p290/bin/rails
/usr/local/rvm/gems/ruby-1.9.2-p290/doc/activerecord-3.0.9/rdoc/lib/rails
/usr/local/rvm/gems/ruby-1.9.2-p290/doc/actionmailer-3.0.9/rdoc/lib/rails
但是尝试直接执行/usr/local/rvm/gems/ruby-1.9.2-p290/bin/rails
只会得到以下结果:
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:247:in `to_specs': Could not find rails (>= 0) amongst [rake-0.8.7] (Gem::LoadError)
from /usr/local/rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:256:in `to_spec'
from /usr/local/rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems.rb:1195:in `gem'
from /usr/local/rvm/gems/ruby-1.9.2-p290/bin/rails:18:in `<main>'
我不确定这是否是一个合理的尝试。
以防万一,我提供更多信息 :) - rvm gem list
命令会返回:
*** LOCAL GEMS ***
abstract (1.0.0)
actionmailer (3.0.9)
actionpack (3.0.9)
activemodel (3.0.9)
activerecord (3.0.9)
activeresource (3.0.9)
activesupport (3.0.9)
arel (2.0.10)
builder (2.1.2)
bundler (1.0.15)
daemon_controller (0.2.6)
erubis (2.6.6)
fastthread (1.0.7)
i18n (0.5.0)
mail (2.2.19)
mime-types (1.16)
passenger (3.0.7)
polyglot (0.3.2)
rack (1.3.2, 1.2.3)
rack-mount (0.6.14)
rack-test (0.5.7)
rails (3.0.9)
railties (3.0.9)
rake (0.8.7 ruby)
rdoc (3.9.1)
sqlite3 (1.3.4)
sqlite3-ruby (1.3.3)
thor (0.14.6)
treetop (1.4.10)
tzinfo (0.3.29)
任何帮助或指导都将不胜感激。与此同时,我将继续努力解决问题。
rvm gem install rails
和rvm gem list
?尝试不使用rvm
,只用gem install rails
。并显示您的rvm list
、rvm gemset list
。 - Vasiliy Ermolovichrvm gem install rails
? - 因为我不知道我在做什么 :)但是-你是对的。 我刚刚运行了gem install rails
,它完成了整个安装过程,现在我可以访问rails
命令。 它安装在/usr/local/rvm/gems/ruby-1.9.2-p290@rails3/bin/
中,所以我不知道以前的安装放在哪里或如何清除它。 现在它可以工作,所以我会放任它不管:) 很好的发现。 如果你创建一个回答并说“使用gem install rails
而不是rvm gem install rails
”,我会将其标记为答案。 - DavidJ