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Centos7.2 install RVM (ruby-2.4.1)

Centos7.2 install RVM (ruby-2.4.1)​

1. Install basic tools

[root@localhost ~]# yum install -y curl ruby

2. Check the existing version

[root@localhost node1]# ruby ​​-v
ruby ​​2.0.0p648 (2015-12-16) [x86_64-linux]

3. Obtain rvm .io (found that the installation failed)

[root@localhost ~]# curl -L get.rvm.io | bash -s stable

The following error occurs

Centos7.2 install RVM (ruby-2.4.1)_bash

4. Add citations according to the prompts

[root@localhost ~]# curl -sSL https://rvm.io/mpapis.asc | gpg2 --import -

Centos7.2 Install RVM (ruby-2.4.1)_bash_02

or

[root@localhost ~]# curl -sSL https://rvm.io/pkuczynski.asc | gpg2 --import -

Centos7.2 install RVM (ruby-2.4.1)_rvm_03

5. Get rvm.io again (success!)

[root@localhost ~]# curl -L get.rvm.io | bash -s stable

Centos7.2 Install RVM (ruby-2.4.1)_Configuration File_04

6. Find the configuration file

[root@localhost ~]# find / -name rvm.sh
/etc/profile.d/rvm.sh

Make the configuration file effective

[root@localhost ~]# source /etc/profile.d/rvm.sh

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7. Download RVM dependencies

[root@localhost ~]# rvm requirements

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8. Check the configuration file again

[root@localhost ~]# find / -name rvm -print

Centos7.2 Install RVM (ruby-2.4.1)_Configuration File_07

9. View rvm list

[root@localhost ~]# rvm list known

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10. Install rvm v2.4.1

[root@localhost ~]# rvm install 2.4.1

Centos7.2 Install RVM (ruby-2.4.1)_bash_09

11. Configure environment variables

[root@localhost ~]# rvm use 2.4.1
Using /usr/local/rvm/gems/ruby-2.4.1

[root@localhost ~]# rvm use 2.4.1 --default
Using /usr/local/rvm/gems/ruby-2.4.1

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12. Delete the old version of ruby

[root@localhost ~]# rvm remove 2.0.0p648
ruby-2.0.0p648 - #already gone
Using /usr/local/rvm/gems/ruby-2.4.1

13. View the final version

[root@localhost ~]# ruby ​​--version
ruby ​​2.4.1p111 (2017-03-22 revision 58053) [x86_64-linux]

At this point, Centos7.2 installation of RVM (ruby-2.4.1) is completed!