Ruby on Rails 基础（3）

[root@h202 ruby]# rvm list known
-bash: rvm: command not found
[root@h202 ruby]# su - root 
[root@h202 ~]# cd ruby/
[root@h202 ruby]# rvm list known
# MRI Rubies
[ruby-]1.8.6[-p420]
[ruby-]1.8.7[-head] # security released on head
[ruby-]1.9.1[-p431]
[ruby-]1.9.2[-p330]
[ruby-]1.9.3[-p551]
[ruby-]2.0.0[-p648]
[ruby-]2.1[.8]
[ruby-]2.2[.4]
[ruby-]2.3[.0]
[ruby-]2.2-head
ruby-head

# for forks use: rvm install ruby-head-<name> --url https://github.com/github/ruby.git --branch 2.2

# JRuby
jruby-1.6[.8]
jruby-1.7[.23]
jruby[-9.0.5.0]
jruby-head

# Rubinius
rbx-1[.4.3]
rbx-2.3[.0]
rbx-2.4[.1]
rbx[-2.5.8]
rbx-head

# Opal
opal

# Minimalistic ruby implementation - ISO 30170:2012
mruby[-head]

# Ruby Enterprise Edition
ree-1.8.6
ree[-1.8.7][-2012.02]

# GoRuby
goruby

# Topaz
topaz

# MagLev
maglev[-head]
maglev-1.0.0

# Mac OS X Snow Leopard Or Newer
macruby-0.10
macruby-0.11
macruby[-0.12]
macruby-nightly
macruby-head

# IronRuby
ironruby[-1.1.3]
ironruby-head
[root@h202 ruby]# 

[root@h202 ruby]# rvm list

rvm rubies


# No rvm rubies installed yet. Try 'rvm help install'.

[root@h202 ruby]#

[root@h202 ruby]# rvm install 2.3
Searching for binary rubies, this might take some time.
No binary rubies available for: centos/6/x86_64/ruby-2.3.0.
Continuing with compilation. Please read 'rvm help mount' to get more information on binary rubies.
Checking requirements for centos.
Installing requirements for centos.
Installing required packages: libyaml-devel, autoconf, gcc-c++, readline-devel, zlib-devel, libffi-devel, openssl-devel, automake, libtool, bison, sqlite-devel.............................
Requirements installation successful.
Installing Ruby from source to: /usr/local/rvm/rubies/ruby-2.3.0, this may take a while depending on your cpu(s)...
ruby-2.3.0 - #downloading ruby-2.3.0, this may take a while depending on your connection...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 13.5M  100 13.5M    0     0  97053      0  0:02:26  0:02:26 --:--:-- 75395
ruby-2.3.0 - #extracting ruby-2.3.0 to /usr/local/rvm/src/ruby-2.3.0....
ruby-2.3.0 - #configuring..........................................................
ruby-2.3.0 - #post-configuration..
ruby-2.3.0 - #compiling.....................................................................................
ruby-2.3.0 - #installing...........................
ruby-2.3.0 - #making binaries executable..
Installed rubygems 2.5.1 is newer than 2.4.8 provided with installed ruby, skipping installation, use --force to force installation.
ruby-2.3.0 - #gemset created /usr/local/rvm/gems/ruby-2.3.0@global
ruby-2.3.0 - #importing gemset /usr/local/rvm/gemsets/global.gems................................................
ruby-2.3.0 - #generating global wrappers........
ruby-2.3.0 - #gemset created /usr/local/rvm/gems/ruby-2.3.0
ruby-2.3.0 - #importing gemsetfile /usr/local/rvm/gemsets/default.gems evaluated to empty gem list
ruby-2.3.0 - #generating default wrappers........
ruby-2.3.0 - #adjusting #shebangs for (gem irb erb ri rdoc testrb rake).
Install of ruby-2.3.0 - #complete 
Ruby was built without documentation, to build it run: rvm docs generate-ri
[root@h202 ruby]# echo $?
0
[root@h202 ruby]# rvm list

rvm rubies

=* ruby-2.3.0 [ x86_64 ]

# => - current
# =* - current && default
#  * - default

[root@h202 ruby]# 
[root@h202 ruby]# ruby -v 
ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-linux]
[root@h202 ruby]#