On Ubuntu 12.04 trying to install Rails with
$ gem install Rails
fails with
ERROR: Loading command: install (LoadError)
cannot load such file -- zlib
ERROR: While executing gem ... (NameError)
uninitialized constant Gem::Commands::InstallCommand
Ruby was installed with rbenv. More info:
~$ gem environment
RubyGems Environment:
- RUBYGEMS VERSION: 1.8.23
- RUBY VERSION: 1.9.3 (2012-10-12 patchlevel 286) [i686-linux]
- INSTALLATION DIRECTORY:
/home/user/.rbenv/versions/1.9.3-p286/lib/ruby/gems/1.9.1
- RUBY EXECUTABLE: /home/user/.rbenv/versions/1.9.3-p286/bin/ruby
- EXECUTABLE DIRECTORY: /home/user/.rbenv/versions/1.9.3-p286/bin
- RUBYGEMS PLATFORMS:
- ruby
- x86-linux
- GEM PATHS:
- /home/user/.rbenv/versions/1.9.3-p286/lib/ruby/gems/1.9.1
- /home/user/.gem/ruby/1.9.1
- GEM CONFIGURATION:
- :update_sources => true
- :verbose => true
- :benchmark => false
- :backtrace => false
- :bulk_threshold => 1000
- REMOTE SOURCES:
- http://rubygems.org/
and
~$ lsb_release -a;uname -a; dpkg -l|grep zlib
LSB Version:
core-2.0-ia32:core-2.0-noarch:core-3.0-ia32:core-3.0-noarch:core-3.1-ia32:core-3.1-noarch:core-3.2-ia32:core-3.2-noarch:core-4.0-ia32:core-4.0-noarch
Distributor ID: Ubuntu
Description: Ubuntu 12.04.1 LTS
Release: 12.04
Codename: precise
Linux machine 3.2.0-32-generic-pae #51-Ubuntu SMP Wed Sep 26 21:54:23 UTC
2012 i686 i686 i386 GNU/Linux
ii zlib1g
1:1.2.3.4.dfsg-3ubuntu4 compression library - runtime
ii zlib1g-dev
1:1.2.3.4.dfsg-3ubuntu4 compression library - development
What is wrong?
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Pardon the silly question, but are you sure zlib1g-dev was installed prior to building this ruby and not after the fact? (This has caused many the annoying hour for me with multiple rubies and forgetting when ruby x was actually built!) -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/YgRTXOTIvPgJ. For more options, visit https://groups.google.com/groups/opt_out.
No, the question is not silly at all. Actually, when I presented this problem in an Ubuntu forum I asked it myself. And, yes, uninstalling and reinstalling ruby 1.9.3-p286 solved the problem. Thank you very much! Den lördagen den 10:e november 2012 kl. 17:00:21 UTC+1 skrev Sam Pizzey:> > Pardon the silly question, but are you sure zlib1g-dev was installed > prior to building this ruby and not after the fact? > (This has caused many the annoying hour for me with multiple rubies and > forgetting when ruby x was actually built!)-- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/1dOSAuZBThsJ. For more options, visit https://groups.google.com/groups/opt_out.