我正在将 Rails 应用程序部署到 Linux 服务器，并且缺少一些 rake 任务，包括 rake gems:install 和 rake db
我正在运行来自 GEM 的 Rails 2.3.4。
为什么是这样？
我该如何解决？我可以以某种方式更新吗？
它们在 rake -T 列表中缺失
rake apache2 # Build Apache 2 module
rake clean # Remove compiled files
rake clobber # Remove all generated files
rake default # Build everything
rake doc # Generate all documentation
rake doxygen # Generate Doxygen C++ API documentation if ...
rake doxygen:clobber # Remove generated Doxygen C++ API documenta...
rake doxygen:force # Force generation of Doxygen C++ API docume...
rake fakeroot # Create a fakeroot, useful for building nat...
rake nginx # Build Nginx helper server
rake package # Build all the packages
rake package:clean # Remove package products
rake package:debian # Create a Debian package
rake package:force # Force a rebuild of the package files
rake package:gem # Build the gem file passenger-2.2.4.gem
rake rdoc # Build the rdoc HTML Files
rake rdoc:clobber # Remove rdoc products
rake rdoc:force # Force a rebuild of the RDOC files
rake sloccount # Run 'sloccount' to see how much code Passe...
rake test # Run all unit tests and integration tests
rake test:cxx # Run unit tests for the Apache 2 and Nginx ...
rake test:integration # Run all integration tests
rake test:integration:apache2 # Run Apache 2 integration tests
rake test:integration:nginx # Run Nginx integration tests
rake test:oxt # Run unit tests for the OXT library
rake test:rcov # Run coverage tests for the Ruby libraries
rake test:restart # Run the 'restart' integration test infinit...
rake test:ruby # Run unit tests for the Ruby libraries
我的 rake 文件包含以下内容：
# Add your own tasks in files placed in lib/tasks ending in .rake,
# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
require(File.join(File.dirname(__FILE__), 'config', 'boot'))
require 'rake'
require 'rake/testtask'
require 'rake/rdoctask'
require 'tasks/rails'
如何添加 gems 和 db rake 任务？为什么他们失踪了？
的输出是什么rake -T？这应该列出所有可用的任务。在 RoR 应用中，Rakefile定义您的任务。
您可以使用更新宝石gem update.
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