I can't uninstall a few gems

ruby-talk
1

some info about my system: ubuntu 8.10, ruby 1.8.3, rubygems 1.3.1
(installed from source)

Here are the gems I have and can't uninstall:

addressable (2.0.1)
cgi_multipart_eof_fix (2.5.0)
cheat (1.2.1)
daemons (1.0.10)
data_objects (0.9.10.1)
do_mysql (0.9.10.1)
extlib (0.9.9)
fastthread (1.0.1)
gem_plugin (0.2.3)
mongrel (1.1.5)

when I try this:
sudo gem uninstall cheat

I get this:
ERROR: While executing gem ... (Gem::InstallError)
    Unknown gem cheat >= 0

thanks!

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2

Oren Golan wrote:

some info about my system: ubuntu 8.10, ruby 1.8.3, rubygems 1.3.1
(installed from source)

Here are the gems I have and can't uninstall:

addressable (2.0.1)
cgi_multipart_eof_fix (2.5.0)
cheat (1.2.1)
daemons (1.0.10)
data_objects (0.9.10.1)
do_mysql (0.9.10.1)
extlib (0.9.9)
fastthread (1.0.1)
gem_plugin (0.2.3)
mongrel (1.1.5)

when I try this:
sudo gem uninstall cheat

I get this:
ERROR: While executing gem ... (Gem::InstallError)
    Unknown gem cheat >= 0

What is the output of "gem env"? I'm guessing that you have multiple gem paths.

Dan

3

RubyGems Environment:
  - RUBYGEMS VERSION: 1.3.1
  - RUBY VERSION: 1.8.7 (2008-08-11 patchlevel 72) [i486-linux]
  - INSTALLATION DIRECTORY: /usr/lib/ruby/gems/1.8
  - RUBY EXECUTABLE: /usr/bin/ruby1.8
  - EXECUTABLE DIRECTORY: /usr/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86-linux
  - GEM PATHS:
     - /usr/lib/ruby/gems/1.8
     - /home/oren/.gem/ruby/1.8
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :benchmark => false
     - :backtrace => false
     - :bulk_threshold => 1000
  - REMOTE SOURCES:
     - http://gems.rubyforge.org/

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4

INSTALLATION DIRECTORY indicates where the gems will be installed and
uninstalled from.

Maybe 'cheat' gem installed in your home gem repository instead
(looking at GEM PATHS).

Please try:

gem uninstall cheat -i /home/oren/.gem/ruby/1.8

HTH,

···

On Jan 5, 3:19 pm, Oren Golan <orengo...@gmail.com> wrote:

RubyGems Environment:
- RUBYGEMS VERSION: 1.3.1
- RUBY VERSION: 1.8.7 (2008-08-11 patchlevel 72) [i486-linux]
- INSTALLATION DIRECTORY: /usr/lib/ruby/gems/1.8
- RUBY EXECUTABLE: /usr/bin/ruby1.8
- EXECUTABLE DIRECTORY: /usr/bin
- RUBYGEMS PLATFORMS:
- ruby
- x86-linux
- GEM PATHS:
- /usr/lib/ruby/gems/1.8
- /home/oren/.gem/ruby/1.8
- GEM CONFIGURATION:
- :update_sources => true
- :verbose => true
- :benchmark => false
- :backtrace => false
- :bulk_threshold => 1000
- REMOTE SOURCES:
-http://gems.rubyforge.org/

--
Luis Lavena

5

thanks, it worked.
so is it normal or should i fix it somehow so all my gems will be in a
single location?

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6

does anyone knows the cause for this issue and how can I prevent it from
happening in the future?

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7

I've run into this issue myself. I'm not sure how you're "supposed" to solve
it, but I just make sure I install using sudo. Put this in your .bashrc:

alias gem-inst="sudo gem install"

Then install gems using, e.g.

gem-inst rails

Then all your gems will go in /usr/lib rather than ~/.gems.

···

2009/1/6 Oren Golan <orengolan@gmail.com>

thanks, it worked.
so is it normal or should i fix it somehow so all my gems will be in a
single location?

8

got it. thanks!

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