每当 gem 错误 No such file or directory - crontab

Question

我不知道这是什么问题。 this my problem

这是控制台输出。

$ whenever --update-crontab
Системе не удается найти указанный путь.
C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/whenever-0.10.0/lib/whenever/command_line.rb:77:in `popen': No such file or directory - crontab - (Errno::ENOENT)
        from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/whenever-0.10.0/lib/whenever/command_line.rb:77:in `write_crontab'
        from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/whenever-0.10.0/lib/whenever/command_line.rb:38:in `run'
        from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/whenever-0.10.0/lib/whenever/command_line.rb:6:in `execute'
        from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/whenever-0.10.0/bin/whenever:44:in `<top (required)>'
        from C:/RailsInstaller/Ruby2.3.3/bin/whenever:22:in `load'
        from C:/RailsInstaller/Ruby2.3.3/bin/whenever:22:in `<main>'

Answer 1

Whenever 是一个 Ruby gem，它为编写和部署 cron 作业提供了清晰的语法。

软件实用程序 cron 是 类 Unix 计算机操作系统中基于时间的作业调度程序，您不能在 windows 上使用它机.

Setting up a cron job in Windows

每当 gem 错误 No such file or directory - crontab

whenever gem error No such file or directory - crontab

ruby

ruby-on-rails

whenever