CentOS下使用rbenv安装ruby开发环境，并部署redmine

sudo yum install -y git-core zlib zlib-devel gcc-c++ patch readline    readline-devel libyaml-devel libffi-devel openssl-devel make    bzip2 autoconf automake libtool bison curl sqlite-devel

sudo yum install -y ImageMagick-devel

1 cd
2 git clone git://github.com/sstephenson/rbenv.git .rbenv
3 echo ‘export PATH="$HOME/.rbenv/bin:$PATH"‘ >> ~/.bash_profile
4 echo ‘eval "$(rbenv init -)"‘ >> ~/.bash_profile
5 
6 git clone git://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
7 echo ‘export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"‘ >> ~/.bash_profile

rbenv install 2.5.7
rbenv global 2.5.7

rbenv versions    #已安装的版本
rbenv install --list    #查看可安装的版本列表
rbenv rehash    # 每当切换 ruby 版本和执行 bundle install 之后必须执行这个命令

echo "gem: --no-document" > ~/.gemrc    #禁用Rubygems为安装的每个gem生成本地文档

gem install bundler    # 安装bundler

bundle install    #安装依赖gems

rake generate_secret_token    # 生成存储秘钥

# 重命名databases.yml文件并配置数据库
rake db:migrate RAILS_ENV="production"    # 生成数据表

# 启动命令
ruby bin/rails server -b 0.0.0.0 -p 3000 webrick -e development

# admin默认密码admin