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Editorial Team
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Asked: 2026-05-13T18:34:40+00:00

I wanted to install open4 so I typed gem install open4 which gave me

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I wanted to install open4 so I typed

gem install open4

which gave me the following warnings:

WARNING:  Installing to ~/.gem since /var/lib/gems/1.8 and   
          /var/lib/gems/1.8/bin aren't both writable.  
WARNING:  You don't have /home/myname/.gem/ruby/1.8/bin in your PATH,  
          gem executables will not run.

I then did 

sudo install open4

and it appears to have installed.

How could I go about removing the extra installation from my home directory? Would just deleting the ~/.gem directory be appropriate or would that be harmful?

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1 Answer

  1. Editorial Team

    Okay, I figured it out (without manually deleting the directories.) Typing
    ruby env
    and looking under “GEM PATHS” :
    – GEM PATHS:
    – /var/lib/gems/1.8
    – /home/myname/.gem/ruby/1.8
    The second line referring to the erroneous installation.

    I then did
    gem uninstall open4 -i /home/myname/.gem/ruby/1.8
    and got
    Successfully uninstalled open4-1.0.1

    Hooray.

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