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Asked: 2026-05-19T05:02:57+00:00

In constant battle to install Ruby 1.9.2 on an RPM system (OS is based

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In constant battle to install Ruby 1.9.2 on an RPM system (OS is based off of CentOS), I’m trying again with RVM.

So once I install it, I then try to use it:

[root@quackwall ~]# rvm use 1.9.2
Using /usr/local/rvm/gems/ruby-1.9.2-p136
[root@quackwall ~]# ruby
bash: ruby: command not found
[root@quackwall ~]# which ruby
/usr/bin/which: no ruby in (/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin)

Now that’s interesting; rvm info says something completely different:

[root@quackwall bin]# rvm info

ruby-1.9.2-p136:

  system:
    uname:       "Linux quackwall.highwow.lan 2.6.18-194.8.1.v5 #1 SMP Thu Jul 15 01:14:04 EDT 2010 i686 i686 i386 GNU/Linux"
    bash:        "/bin/bash => GNU bash, version 3.2.25(1)-release (i686-redhat-linux-gnu)"
    zsh:         " => not installed"

  rvm:
    version:      "rvm 1.2.2 by Wayne E. Seguin (wayneeseguin@gmail.com) [http://rvm.beginrescueend.com/]"

  ruby:
    interpreter:  "ruby"
    version:      "1.9.2p136"
    date:         "2010-12-25"
    platform:     "i686-linux"
    patchlevel:   "2010-12-25 revision 30365"
    full_version: "ruby 1.9.2p136 (2010-12-25 revision 30365) [i686-linux]"

  homes:
    gem:          "/usr/local/rvm/gems/ruby-1.9.2-p136"
    ruby:         "/usr/local/rvm/rubies/ruby-1.9.2-p136"

  binaries:
    ruby:         "/usr/local/rvm/rubies/ruby-1.9.2-p136/bin/ruby"
    irb:          "/usr/local/rvm/rubies/ruby-1.9.2-p136/bin/irb"
    gem:          "/usr/local/rvm/rubies/ruby-1.9.2-p136/bin/gem"
    rake:         "/usr/local/rvm/gems/ruby-1.9.2-p136/bin/rake"

  environment:
    PATH:         "/usr/local/rvm/gems/ruby-1.9.2-p136/bin:/usr/local/rvm/gems/ruby-1.9.2-p136@global/bin:/usr/local/rvm/rubies/ruby-1.9.2-p136/bin:bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/usr/local/rvm/bin"
    GEM_HOME:     "/usr/local/rvm/gems/ruby-1.9.2-p136"
    GEM_PATH:     "/usr/local/rvm/gems/ruby-1.9.2-p136:/usr/local/rvm/gems/ruby-1.9.2-p136@global"
    MY_RUBY_HOME: "/usr/local/rvm/rubies/ruby-1.9.2-p136"
    IRBRC:        "/usr/local/rvm/rubies/ruby-1.9.2-p136/.irbrc"
    RUBYOPT:      ""
    gemset:       ""

So I have RVM that says one thing and bash which says another. Any suggestions on how to get this working?

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1 Answer

  1. Editorial Team

    Why are you using your root account?

    [root@quackwall ~]

    RVM is designed to work as a user’s sandbox, unless you are doing a system wide install. For normal use installing using root permissions and paths will get it all screwed up.

    Installing system wide is a lot more complicated so if it’s just for you, use the standard install.

    Also, notice that rvm use 1.9.2 points to:

    /usr/local/rvm/gems/ruby-1.9.2-p136

    but:

    which ruby

    has no /usr/local/rvm/gems/ruby-1.9.2-p136 in the search path:

    /usr/bin/which: no ruby in (/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin)

    If you intend to use system-wide installs, you either need to modify all ~/.bashrc or ~/.bash_profile files for all users, or adjust /etc/bashrc or /etc/profile.

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