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Saturday 25 June 2016

用rvm安装最新版的ruby

运行curl -sSL https://rvm.io/mpapis.asc | gpg --import -

 curl -sSL https://get.rvm.io | bash -s stable --ruby

root@ary:~# ruby -v
-bash: ruby: command not found
root@ary:/usr/local/rvm# ls /usr/local/rvm/rubies/ruby-2.3.0/bin/
erb  gem  irb  rake  rdoc  ri  ruby
root@ary:/usr/local/rvm# echo 'export PATH=$PATH:/usr/local/rvm/rubies/ruby-2.3.0/bin/' >> /etc/profile
root@ary:/usr/local/rvm# . /etc/profile
root@ary:/usr/local/rvm# ruby --version
ruby 2.3.0p0 (2015-12-25 revision 53290) [i686-linux]
root@ary:/usr/local/rvm# gem -h


(Install Ruby 1.9.3

Next install Ruby 1.9.3 and you'll be all set.





rvm install 1.9.3




rvm use 1.9.3




rvm ruby gems latest







from http://octopress.org/docs/setup/rvm/)
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Ruby enVironment (Version) Manager ( rvm ) ~ Monitor GitHub Issues ( https://github.com/rvm/rvm/issues/ ) for bug reports and fixes. Fundraiser for mpapis: https://www.bountysource.com/fundraisers/489-rvm-2-0 

rvm

DESCRIPTION:

RVM is the Ruby enVironment Manager (rvm).
It manages Ruby application environments and enables switching between them.

Installation

curl -L https://get.rvm.io | bash -s stable --autolibs=enabled [--ruby] [--rails] [--trace]
stable 
Install stable RVM, good for servers.
–ruby 
Additionally install latest ruby version (MRI).
–rails 
Install gem rails into default gemset (also installs ruby=).
–trace 
Print trace of the installation, gist output when you have problems.
–autolibs 
Enable or disable autolibs see: rvm.io/rvm/autolibs
More details here: rvm.io/rvm/install/

Usage

rvm [Flags] [Options] Action [Implementation[,Implementation[,...]]

Flags

–default 
with 'rvm use X', sets the default ruby for new shells to X.
–debug 
Toggle debug mode on for very verbose output.
–disable-binary 
Install from source instead of using binaries
–trace 
Toggle trace mode on to see EVERYTHING rvm is doing.
–force 
Force install, removes old install & source before install.
–summary 
Used with rubydo to print out a summary of the commands run.
–latest 
with gemset –dump skips version strings for latest gem.
–gems 
with uninstall/remove removes gems with the interpreter.
–docs 
with install, attempt to generate ri after installation.
–reconfigure 
Force ./configure on install even if Makefile already exists.
–skip-gemsets 
with install, skip the installation of default gemsets.
–quiet-curl 
Makes curl silent when fetching data
–64 
Option for installing 64-bit Rubies (default behavior)
–32 
Option for installing 32-bit Rubies

Options

-v|–version 
Emit rvm version loaded for current shell
-l|–level 
patch level to use with rvm use / install
–bin 
path for binaries to be placed (~/.rvm/bin/)
-S 
Specify a script file to attempt to load and run (rubydo)
-e 
Execute code from the command line.
–gems 
Used to set the 'gems_flag', use with 'remove' to remove gems
–archive 
Used to set the 'archive_flag', use with 'remove' to remove archive
–patch 
With MRI Rubies you may specify one or more full paths to patches
for multiple, specify comma separated:
--patch /.../.../a.patch[%prefix],/.../.../.../b.patch
'prefix' is an optional argument, which will be bypassed to the '-p' argument of the 'patch' command. It is separated from patch file name with '%' symbol.
-C|–configure 
custom configure options. If you need to pass several configure options then append them comma separated:
-C --...,--...,--...
–nice 
process niceness (for slow computers, default 0)
–ree-options 
Options passed directly to ree's './installer' on the command line.
–with-rubies 
Specifies a string for rvm to attempt to expand for set operations.

Action

(Note: for most actions, 'rvm help action-name' may provide more information.)
usage
show this usage information
version 
show the rvm version installed in rvm_path
use 
setup current shell to use a specific ruby version
reload 
reload rvm source itself (useful after changing rvm source)
implode 
(seppuku) removes the rvm installation completely.
This means everything in $rvm_path (~/.rvm || /usr/local/rvm).
This does not touch your profiles. However, this means that you must manually clean up your profiles and remove the lines which source RVM.
get 
{head,stable} upgrades rvm to latest head or stable version.
Check 'rvm help get' for more details.
(If you experience bugs try this first with head version, then ask for help in #rvm on irc.freenode.net and hang around)
reset 
remove current and stored default & system settings.
(If you experience odd behavior try this second)
info 
show the current environment information for current ruby
current 
print the current ruby version and the name of any gemset being used.
debug 
show info plus additional information for common issues
install 
install one or many ruby versions
uninstall 
uninstall one or many ruby versions, leaves their sources
remove 
uninstall one or many ruby versions and remove their sources
reinstall 
reinstall ruby and runs gem pristine on all gems, make sure to read output, use 'all' for all rubies.
migrate 
Lets you migrate all gemsets from one ruby to another.
upgrade 
Lets you upgrade from one version of a ruby to another, including migrating your gemsets semi-automatically.
wrapper 
generates a set of wrapper executables for a given ruby with the specified ruby and gemset combination. Used under the hood for passenger support and the like.
cleanup 
Lets you remove stale source folders / archives and other miscellaneous data associated with rvm.
repair 
Lets you repair parts of your environment e.g. wrappers, env files and similar files (e.g. general maintenance).
fix-permissions 
Repairs broken permissions (e.g. by sudo or chef)
osx-ssl-certs 
Helps update certificates for OpenSSL installed by rvm on OSX.
snapshot 
Lets you backup / restore an rvm installation in a lightweight manner.
alias 
Lets you set shortcut strings for convenience with 'rvm use'.
disk-usage 
Tells you how much disk space rvm install is using.
tools 
Provides general information about the ruby environment, primarily useful when scripting rvm.
docs 
Tools to make installing ri and rdoc documentation easier.
rvmrc 
Tools related to managing rvmrc trust and loading.
patchset 
Tools related to managing ruby patchsets.
do 
runs an arbitrary command against specified and/or all rubies
cron 
Manages setup for using ruby in cron tasks.
gemset 
gemsets: rvm.io/gemsets/
rubygems 
Switches the installed version of rubygems for the current ruby.
config-get 
display values for RbConfig::CONFIG variables.
gemdir 
display the path to the current gem directory (GEM_HOME).
fetch 
Performs an archive / src fetch only of the selected ruby.
list 
show currently installed rubies, interactive output.
autolibs 
Controls settings for automatically installing dependencies.
pkg 
Install a dependency package {readline,iconv,zlib,openssl}
notes 
Display notes, with operating system specifics.
export 
Temporarily set an environment variable in the current shell.
unexport 
Undo changes made to the environment by 'rvm export'.
requirements 
Installs additional OS specific dependencies/requirements for building various rubies. Usually run by install.
mount 
Install rubies from external locations.
user 
Tools for managing RVM mixed mode in multiuser installations.
group 
Tools for managing groups in multiuser installations.

Implementation

ruby
MRI/YARV Ruby (The Gold Standard) {1.8.x, 1.9.x, 2.0.x, 2.1.x, 2.2.x}
jruby 
JRuby, Ruby interpreter on the Java Virtual Machine.
rbx 
Rubinius
ree 
Ruby Enterprise Edition, MRI Ruby with several custom patches for performance, stability, and memory.
macruby 
MacRuby, insanely fast, can make real apps (Mac OS X Only).
maglev 
GemStone Ruby, awesome persistent ruby object store.
ironruby 
IronRuby, NOT supported yet. Looking for volunteers to help.
system 
use the system ruby (eg. pre-rvm state)
default 
use the default ruby (or the system ruby if a default hasn't been set).

Resources:

from https://github.com/rvm/rvm
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