[775343518@localhost cache]$ rvm reinstall ruby-2.2.0
ruby-2.2.0 - #removing src/ruby-2.2.0..
ruby-2.2.0 - #removing rubies/ruby-2.2.0..
Searching for binary rubies, this might take some time.
No binary rubies available for: centos/6/i386/ruby-2.2.0.
Continuing with compilation. Please read 'rvm help mount' to get more information on binary rubies.
Installing Ruby from source to: /home/775343518/.rvm/rubies/ruby-2.2.0, this may take a while depending on your cpu(s)...
ruby-2.2.0 - #downloading ruby-2.2.0, this may take a while depending on your connection...
ruby-2.2.0 - #extracting ruby-2.2.0 to /home/775343518/.rvm/src/ruby-2.2.0....
ruby-2.2.0 - #applying patch /home/775343518/.rvm/patches/ruby/2.2.0/fix_installing_bundled_gems.patch.
ruby-2.2.0 - #configuring..........................................................
ruby-2.2.0 - #post-configuration..
ruby-2.2.0 - #compiling.....................................................................................
ruby-2.2.0 - #installing...............................
Error running '__rvm_make install',
showing last 15 lines of /home/775343518/.rvm/log/1446032996_ruby-2.2.0/install.log
from /home/775343518/.rvm/src/ruby-2.2.0/lib/rubygems/core_ext/kernel_require.rb:54:in `require'
from /home/775343518/.rvm/src/ruby-2.2.0/lib/rubygems/core_ext/kernel_require.rb:54:in `require'
from /home/775343518/.rvm/src/ruby-2.2.0/lib/rubygems/dependency_installer.rb:3:in `<top (required)>'
from /home/775343518/.rvm/src/ruby-2.2.0/lib/rubygems/core_ext/kernel_require.rb:54:in `require'
from /home/775343518/.rvm/src/ruby-2.2.0/lib/rubygems/core_ext/kernel_require.rb:54:in `require'
from /home/775343518/.rvm/src/ruby-2.2.0/lib/rubygems.rb:556:in `install'
from ./tool/rbinstall.rb:717:in `block (2 levels) in <main>'
from ./tool/rbinstall.rb:716:in `each'
from ./tool/rbinstall.rb:716:in `block in <main>'
from ./tool/rbinstall.rb:749:in `call'
from ./tool/rbinstall.rb:749:in `block in <main>'
from ./tool/rbinstall.rb:746:in `each'
from ./tool/rbinstall.rb:746:in `<main>'
make: *** [do-install-nodoc] 错误 1
++ return 2
There has been an error while running make install. Halting the installation.
=================================================================================================== 用 ruby -v 提示没有此命令,ruby list 却显示有 [775343518@localhost cache]$ rvm list
rvm rubies
ruby-2.2.0 [ i686 ]
,