ruby管理工具rvm

安装rvm

根据官网(https://www.rvm.io/)显示,只需执行以下两条命令即可安装:

# gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
# \curl -sSL https://get.rvm.io | bash -s stable

执行完以上两条命令后会有如下提示:

  * First you need to add all users that will be using rvm to 'rvm' group,
    and logout - login again, anyone using rvm will be operating with `umask u=rwx,g=rwx,o=rx`.

  * To start using RVM you need to run `source /etc/profile.d/rvm.sh`
    in all your open shell windows, in rare cases you need to reopen all shell windows.

# Administrator,
#
#   Thank you for using RVM!
#   We sincerely hope that RVM helps to make your life easier and more enjoyable!!!
#
# ~Wayne, Michal & team.

In case of problems: https://rvm.io/help and https://twitter.com/rvm_io

根据如上提示,需执行,如下命令:

# source /etc/profile.d/rvm.sh

验证:

# rvm -v
rvm 1.27.0 (latest) by Wayne E. Seguin <wayneeseguin@gmail.com>, Michal Papis <mpapis@gmail.com> [https://rvm.io/]

rvm安装ruby

查看ruby集:

# rvm list known  

安装选定ruby版本:

# rvm install ruby-2.3

通过如上命令,同时也会安装gem。
使用选定ruby版本:

# rvm use ruby-2.3

设为默认ruby版本:

# rvm use ruby-2.3 --default

验证:

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