首先安装rvm安装会使用的包:
yum install gcc-c++ patch readline readline-devel zlib zlib-devel \
libyaml-devel libffi-devel openssl-devel make \
bzip2 autoconf automake libtool bison iconv-devel sqlite-devel
之后便是安装rvm:
curl -sSL https://rvm.io/mpapis.asc | gpg --import -
curl -L get.rvm.io | bash -s stable
配置rvm的运行环境
source /etc/profile.d/rvm.sh
rvm reload
输入一下命令检查安装情况
rvm requirements run
将显示:
Checking requirements for centos.
Requirements installation successful.
最后便可安装ruby了,当然版本可以任选,反正我选2.4.4
rvm install 2.4.4
检查安装情况
rvm list
显示如下信息则 安装完成:
rvm rubies
=* ruby-2.4.4 [ x86_64 ]
# => - current
# =* - current && default
# * - default
设置默认运行的ruby版本
rvm use 2.4.2 --default