Setting to Ruby 1.9 in Ubuntu...
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From: Xeno Campanoli / Eskimo North and Gmail on 30 Apr 2010 15:36 I tried installing a bunch of ruby 1.9 stuff on my Ubuntu laptop last night, but my default ruby is still 1.8.7. Anybody know a regular method for setting to 1.9 on Ubuntu? Perhaps this is an Ubuntu question, but presumably the best way is not always the Ubuntu way...??? -- "It's the preponderance, stupid!" - Professor Stephen Schneider, IPCC member
From: Walton Hoops on 30 Apr 2010 15:57 On 4/30/2010 1:36 PM, Xeno Campanoli / Eskimo North and Gmail wrote: > I tried installing a bunch of ruby 1.9 stuff on my Ubuntu laptop last > night, but my default ruby is still 1.8.7. Anybody know a regular > method for setting to 1.9 on Ubuntu? Perhaps this is an Ubuntu > question, but presumably the best way is not always the Ubuntu way...??? The Ubuntu way is to run 'sudo update-alternatives --config ruby' and 'sudo update-alternatives --config rubygems', or instead of calling Ruby scripts with 'ruby', call them with 'ruby1.9' when you want them run in 1.9. Another solution that is available is Ruby Version Manager (RVM). I've never used RVM, so I can't say anything for or against it. http://rvm.beginrescueend.com/
From: Jason Roelofs on 30 Apr 2010 16:20 On Apr 30, 2010, at 3:57 PM, Walton Hoops wrote: > On 4/30/2010 1:36 PM, Xeno Campanoli / Eskimo North and Gmail wrote: >> I tried installing a bunch of ruby 1.9 stuff on my Ubuntu laptop last >> night, but my default ruby is still 1.8.7. Anybody know a regular >> method for setting to 1.9 on Ubuntu? Perhaps this is an Ubuntu >> question, but presumably the best way is not always the Ubuntu way...??? > The Ubuntu way is to run 'sudo update-alternatives --config ruby' and > 'sudo update-alternatives --config rubygems', or instead of calling Ruby > scripts with 'ruby', call them with 'ruby1.9' when you want them run in 1.9. > > Another solution that is available is Ruby Version Manager (RVM). I've > never used RVM, so I can't say anything for or against it. > http://rvm.beginrescueend.com/ > Forget Ubuntu's ruby completely. Use RVM, you will save yourself TONS of headache. It's really easy: sudo gem install rvm rvm-install (and follow instructions for .bashrc settings) rvm install 1.9.1 rvm use 1.9.1 --default Now you're completely in the RVM system (which is maintained in ~/.rvm by default) and can trivially switch between a myriad of Ruby implementation. Jason
From: James Britt on 30 Apr 2010 16:20 Walton Hoops wrote: > On 4/30/2010 1:36 PM, Xeno Campanoli / Eskimo North and Gmail wrote: >> I tried installing a bunch of ruby 1.9 stuff on my Ubuntu laptop last >> night, but my default ruby is still 1.8.7. Anybody know a regular >> method for setting to 1.9 on Ubuntu? Perhaps this is an Ubuntu >> question, but presumably the best way is not always the Ubuntu way...??? > The Ubuntu way is to run 'sudo update-alternatives --config ruby' and > 'sudo update-alternatives --config rubygems', or instead of calling Ruby > scripts with 'ruby', call them with 'ruby1.9' when you want them run in 1.9. > > Another solution that is available is Ruby Version Manager (RVM). I've > never used RVM, so I can't say anything for or against it. > http://rvm.beginrescueend.com/ Or install from source code. I'm not a fan of Ubuntu's packaging of Ruby, though for some apps (such as Amarok) you seem to have to have it. (nice that they have it scriptable by Ruby, stupid that you can't specify *which* ruby you want it to use.) rvm is quite slick and I've been using it on some recent machine builds. -- James Britt www.jamesbritt.com - Playing with Better Toys www.ruby-doc.org - Ruby Help & Documentation www.rubystuff.com - The Ruby Store for Ruby Stuff www.neurogami.com - Smart application development
From: Xeno Campanoli / Eskimo North and Gmail on 30 Apr 2010 16:22 Walton Hoops wrote: > On 4/30/2010 1:36 PM, Xeno Campanoli / Eskimo North and Gmail wrote: >> I tried installing a bunch of ruby 1.9 stuff on my Ubuntu laptop last >> night, but my default ruby is still 1.8.7. Anybody know a regular >> method for setting to 1.9 on Ubuntu? Perhaps this is an Ubuntu >> question, but presumably the best way is not always the Ubuntu way...??? > The Ubuntu way is to run 'sudo update-alternatives --config ruby' and > 'sudo update-alternatives --config rubygems', or instead of calling Ruby > scripts with 'ruby', call them with 'ruby1.9' when you want them run in 1.9. > > Another solution that is available is Ruby Version Manager (RVM). I've > never used RVM, so I can't say anything for or against it. > http://rvm.beginrescueend.com/ > > Thank you. That didn't get me there, but I really appreciate the quick response, and that actually helps me in some other areas. I got this: root(a)rockhopper:~# update-alternatives --config ruby update-alternatives: error: no alternatives for ruby. root(a)rockhopper:~# update-alternatives --config rubygems update-alternatives: error: no alternatives for rubygems. root(a)rockhopper:~# rvm in that guise is not on my apt purvey. I appreciate the suggestions. Perhaps if it's this hard it's better to wait for the OSs to upgrade themselves anyway. I just noticed the CentOS we use is way back to ruby 1.8.5. I sure hope we stop using CentOS soon. It is a dog, and wastes a lot of our time. Debian family stuff has it's problems, but for my work it seems to always come out as superior. -- "It's the preponderance, stupid!" - Professor Stephen Schneider, IPCC member
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