Wednesday, October 2, 2013
Hi
-- I have got confused by ruby/gems etc as i seem to have some kind of path issues somehow. First issue is i seem to have 3 flavours of ruby installed ...
# ruby -v
ruby 1.9.3p374 (2013-01-15) [i686-linux]
# /opt/ruby-enterprise-1.8.7-2012.01/bin/ruby -v
ruby 1.8.7 (2011-12-28 MBARI 8/0x8770 on patchlevel 357) [i686-linux], MBARI 0x8770, Ruby Enterprise Edition 2012.01
# /opt/ruby/bin/ruby -v
ruby 1.8.6 (2007-03-13 patchlevel 0) [i386-linux]
# grep ruby /etc/httpd/conf/httpd.conf
LoadModule passenger_module /opt/ruby/lib/ruby/gems/1.8/gems/passenger-3.0.11/ext/apache2/mod_passenger.so
PassengerRoot /opt/ruby/lib/ruby/gems/1.8/gems/passenger-3.0.11
PassengerRuby /opt/ruby/bin/ruby
So i guess i am using /opt/ruby/bin/ruby for live web site?
So then when i try to do anything with the gem command it is not happy...
# gem -v
/usr/bin/ruby: No such file or directory -- '--prefix=/usr' (LoadError)
# /opt/ruby-enterprise-1.8.7-2012.01/bin/gem -v
1.8.15
/opt/ruby/bin/gem -v
/usr/bin/ruby: No such file or directory -- '--prefix=/usr' (LoadError)
Im assuming that i need to be using "gem -v" which in turn is the same as "/opt/ruby/bin/gem -v"? But neither works.
Any idea how to set a path or some such so i can use the gem commands? I have Googled a bit but havent found a good (understandable!) answer. Also how do i uninstall the unused ruby versions?
Thanks in advance.
John
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