OK, I got rvm installed. It also looks like it installed ruby.
But, how do I invoke ruby installed by rvm? When I type: *ruby -v*, I get
an error.


# rvm install 1.9.3
Fetching yaml-0.1.4.tar.gz to /usr/local/rvm/archives
  % Total    % Received % Xferd  Average Speed   Time    Time     Time
Current
                                 Dload  Upload   Total   Spent    Left
Speed
100  460k  100  460k    0     0   340k      0  0:00:01  0:00:01 --:--:--
556k
Extracting yaml-0.1.4.tar.gz to /usr/local/rvm/src
Configuring yaml in /usr/local/rvm/src/yaml-0.1.4.
Compiling yaml in /usr/local/rvm/src/yaml-0.1.4.
Installing yaml to /usr/local/rvm/usr
Installing Ruby from source to: /usr/local/rvm/rubies/ruby-1.9.3-p125, this
may take a while depending on your cpu(s)...

ruby-1.9.3-p125 - #fetching
ruby-1.9.3-p125 - #downloading ruby-1.9.3-p125, this may take a while
depending on your connection...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time
Current
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Speed
100 9505k  100 9505k    0     0   395k      0  0:00:24  0:00:24 --:--:--
2177k
ruby-1.9.3-p125 - #extracting ruby-1.9.3-p125 to
/usr/local/rvm/src/ruby-1.9.3-p125
ruby-1.9.3-p125 - #extracted to /usr/local/rvm/src/ruby-1.9.3-p125
ruby-1.9.3-p125 - #configuring
ruby-1.9.3-p125 - #compiling
ruby-1.9.3-p125 - #installing
Retrieving rubygems-1.8.17
  % Total    % Received % Xferd  Average Speed   Time    Time     Time
Current
                                 Dload  Upload   Total   Spent    Left
Speed
100  246k  100  246k    0     0   352k      0 --:--:-- --:--:-- --:--:--
659k
Extracting rubygems-1.8.17 ...
Removing old Rubygems files...
Installing rubygems-1.8.17 for ruby-1.9.3-p125 ...
Installation of rubygems completed successfully.
ruby-1.9.3-p125 - adjusting #shebangs for (gem irb erb ri rdoc testrb rake).
ruby-1.9.3-p125 - #importing default gemsets (/usr/local/rvm/gemsets/)
Install of ruby-1.9.3-p125 - #complete

[root@oc8821576380 ruby-1.9.3-p0]#* ruby -v*
Command not found.

Also,

*# rvm rubygems mechanize*
'ruby' was not found, cannot install rubygems unless ruby is present (Do
you have an RVM ruby installed & selected?)

Thank you

On Thu, Feb 23, 2012 at 8:53 AM, ami <raf / amidev.co.uk> wrote:

> Hi,
>
> I would advise you to unistall your ruby installation and install rvm
> first and go from there.
>
>
> On Thu, 2012-02-23 at 22:44 +0900, Ruby Student wrote:
> > Hello Team,
> >
> > I am trying to install mechanize but it is failing. Any help will be
> > appreciated.
> > Here are the details:
> >
> > OS: Red Hat Enterprise Linux Workstation release 6.2 (Santiago)
> > Ruby:
> > ruby -v
> > ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-linux]
> >
> > It complains that that library: libxslt is missing. However, the
> > library IS installed:
> > # rpm -qa | grep -i libxslt
> > libxslt-python-1.1.26-2.el6.x86_64
> > libxslt-1.1.26-2.el6.x86_64
> >
> > Also, if I try to install it it states that it is already installed:
> >
> > yum install libxslt
> > Setting up Install Process
> > Package libxslt-1.1.26-2.el6.x86_64 already installed and latest
> > version
> > Nothing to do
> >
> > Now the errors from gem:
> >
> > # gem install mechanize
> > /usr/local/lib/ruby/1.9.1/yaml.rb:56:in `<top (required)>':
> > It seems your ruby installation is missing psych (for YAML output).
> > To eliminate this warning, please install libyaml and reinstall your
> > ruby.
> > Building native extensions.  This could take a while...
> > ERROR:  Error installing mechanize:
> >     ERROR: Failed to build gem native extension.
> >
> >         /usr/local/bin/ruby extconf.rb
> > extconf.rb:10: Use RbConfig instead of obsolete and deprecated Config.
> > checking for libxml/parser.h... yes
> > checking for libxslt/xslt.h... no
> > -----
> > libxslt is missing.  please visit
> > http://nokogiri.org/tutorials/installing_nokogiri.html for help with
> > installing dependencies.
> > -----
> > *** extconf.rb failed ***
> > Could not create Makefile due to some reason, probably lack of
> > necessary libraries and/or headers.  Check the mkmf.log file for more
> > details.  You may need configuration options.
> >
> > Provided configuration options:
> >     --with-opt-dir
> >     --without-opt-dir
> >     --with-opt-include
> >     --without-opt-include=${opt-dir}/include
> >     --with-opt-lib
> >     --without-opt-lib=${opt-dir}/lib
> >     --with-make-prog
> >     --without-make-prog
> >     --srcdir=.
> >     --curdir
> >     --ruby=/usr/local/bin/ruby
> >     --with-zlib-dir
> >     --without-zlib-dir
> >     --with-zlib-include
> >     --without-zlib-include=${zlib-dir}/include
> >     --with-zlib-lib
> >     --without-zlib-lib=${zlib-dir}/lib
> >     --with-iconv-dir
> >     --without-iconv-dir
> >     --with-iconv-include
> >     --without-iconv-include=${iconv-dir}/include
> >     --with-iconv-lib
> >     --without-iconv-lib=${iconv-dir}/lib
> >     --with-xml2-dir
> >     --without-xml2-dir
> >     --with-xml2-include
> >     --without-xml2-include=${xml2-dir}/include
> >     --with-xml2-lib
> >     --without-xml2-lib=${xml2-dir}/lib
> >     --with-xslt-dir
> >     --without-xslt-dir
> >     --with-xslt-include
> >     --without-xslt-include=${xslt-dir}/include
> >     --with-xslt-lib
> >     --without-xslt-lib=${xslt-dir}/lib
> >
> >
> > Gem files will remain installed
> > in /usr/local/lib/ruby/gems/1.9.1/gems/nokogiri-1.5.0 for inspection.
> > Results logged
> > to
> /usr/local/lib/ruby/gems/1.9.1/gems/nokogiri-1.5.0/ext/nokogiri/gem_make.out
> >
> > When I try to install psych or yaml I get the same errors listed
> > above.
> >
> > Thank you
> > --
> > Ruby Student
>
>
>
>


-- 
Ruby Student