解决redis requires Ruby version >= 2.2.2问题

1.安装curl

yum install curl

2.用curl安装rvm

curl -L get.rvm.io | bash -s stable

如果有错误如下:

Downloading https://github.com/rvm/rvm/archive/.tar.gz
curl: (35) SSL connect error

Could not download 'https://github.com/rvm/rvm/archive/.tar.gz'.
  curl returned status '35'.

Downloading https://bitbucket.org/mpapis/rvm/get/.tar.gz
curl: (35) SSL connect error

Could not download 'https://bitbucket.org/mpapis/rvm/get/.tar.gz'.
  curl returned status '35'.

说明nss版本比较旧,更新下就好了,更新如下:

yum -y update nss

(如果更新的话,记得重新执行下rvm的安装,因为刚才没安装成功curl -L get.rvm.io | bash -s stable)

3.执行2后,会看到如下截图,然后导入这个密钥

gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB

4.重新安装

curl -L get.rvm.io | bash -s stable

解决redis requires Ruby version >= 2.2.2问题_第1张图片

5.source一下

source /etc/profile.d/rvm.sh

6.列出版本

rvm list known

7.选择版本安装

rvm install 2.4.4

8.使用版本

rvm use 2.4.4

9.查看版本

ruby --version

 

参考:

https://blog.csdn.net/chenxinchongcn/article/details/78666374

https://blog.csdn.net/sdoyuxuan/article/details/79081873

https://www.jianshu.com/p/a703135682a3

https://blog.csdn.net/ctypyb2002/article/details/80982982

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