1、安装依赖
#yum install curl-devel sqlite-devel libyaml-devel -y
2、安装rvm
#curl -L https://get.rvm.io | bash -s stable #网络问题可能失败,多执行几次
如果报错如下:
执行:
#gpg2 –recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
#curl -L https://get.rvm.io | bash -s stable
#echo "source /etc/profile.d/rvm.sh" >> /root/.bashrc
#source /etc/profile.d/rvm.sh
3、安装ruby
#rvm list known #查看版本
#rvm install ruby-2.5.1
#gem -v #安装好以后查看版本
4、更改gem源
#gem source -l #查看镜像源
#gem source –remove https://rubygems.org/ #删除默认源
#gem sources --add https://gems.ruby-china.com/ #新增gem的镜像源(确保只有gems.ruby-china.com)
5、安装MySQL
a.给Centos添加rpm源,并且选择较新的源命令:
#wget http://dev.mysql.com/get/mysql57-community-release-el7-7.noarch.rpm
#yum -y install mysql57-community-release-el7-7.noarch.rpm
#yum repolist all | grep mysql
#yum-config-manager –disable mysql55-community
#yum-config-manager –disable mysql56-community
#yum-config-manager –enable mysql57-community
#yum repolist enabled | grep mysql
b.安装MySQL服务器
#yum install mysql-community-server
#systemctl enable mys