Linux 查看 nginx路径ps aux | grep nginxps aux | grep mysqld

linux下备份一个目录下所有文件及目录cp -rf 源目录 备份目录cp是复制命令-r 递归处理，指定目录下的文件和子目录一并处理-f 强行复制，无论目标是否存在

https://puppet.com/blog/what-a-devops-engineer什么是DevOps技能？DevOps技能领域：编码或脚本流程重新设计

Mac git 下 tab 自动补全curlhttps://raw.githubusercontent.com/git/git/master/contrib/completion/git-completion.bash -o ~/.git-completion.bash# 添加到 .bash_profilevim ~/.bash_profile # 添加内容if [ -f ~/.git-c

Rails 安装imagemagickbrew uninstall imagemagickbrew install https://raw.githubusercontent.com/Homebrew/homebrew-core/6f014f2b7f1f9e618fd5c0ae9c93befea671f8be/Formula/imagemagick.rb

Mac osx中使用gitkbrew updatebrew install git#出现图形界面gitk相关参考gitk是跟随git一起安装的 http://blog.csdn.net/qdujunjie/article/details/49249569

设计哲学Follow web standards and HTTP　遵循Web标准和HTTPCoC (Convention over Configuration)　约定大于配置MVC (Model-View-Controller)DRY　不要重复造轮子（如：gems ）Software Engineering PatternsAssets　静态资源Restful　APITesting