Ruby 安装画布LMS时出错

我是初级程序员，希望在Ubuntu 18.04（64位）中安装canvas LMS。Phusion乘客应用程序服务器试图启动web应用程序。但是应用程序本身（而不是乘客）遇到了内部错误。
ruby版本：ruby 2.7.2p137（2020-10-01修订版5445e04352）[x86_64-linux]

错误详细信息：

[！]评估Gemfile时出错：ruby\u版本必须与MRI的：engine\u版本匹配。绑定程序无法继续

 #  from /var/www/html/canvas-lms/Gemfile.d/_before.rb:33

 (Bundler::Dsl::DSLError)
  /usr/local/lib/site_ruby/2.4.0/bundler/ruby_dsl.rb:13:in `ruby'
  /var/www/html/canvas-lms/Gemfile.d/_before.rb:33:in `block in eval_gemfile'
  /var/www/html/canvas-lms/Gemfile:23:in `eval'
  /var/www/html/canvas-lms/Gemfile:23:in `block in eval_gemfile'
  /var/www/html/canvas-lms/Gemfile:22:in `each'
  /var/www/html/canvas-lms/Gemfile:22:in `eval_gemfile'
  /usr/local/lib/site_ruby/2.4.0/bundler/dsl.rb:47:in `instance_eval'
  /usr/local/lib/site_ruby/2.4.0/bundler/dsl.rb:47:in `eval_gemfile'
  /usr/local/lib/site_ruby/2.4.0/bundler/dsl.rb:12:in `evaluate'
  /usr/local/lib/site_ruby/2.4.0/bundler/definition.rb:34:in `build'
  /usr/local/lib/site_ruby/2.4.0/bundler.rb:195:in `definition'
  /usr/local/lib/site_ruby/2.4.0/bundler.rb:143:in `setup'
  /usr/local/lib/site_ruby/2.4.0/bundler/setup.rb:20:in `block in <top (required)>'
  /usr/local/lib/site_ruby/2.4.0/bundler/ui/shell.rb:136:in `with_level'
  /usr/local/lib/site_ruby/2.4.0/bundler/ui/shell.rb:88:in `silence'
  /usr/local/lib/site_ruby/2.4.0/bundler/setup.rb:20:in `<top (required)>'
  /usr/local/lib/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:92:in `require'
  /usr/local/lib/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:92:in `require'
  /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:361:in `activate_gem'
  /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:221:in `block in run_load_path_setup_code'
  /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:525:in `running_bundler'
  /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:220:in `run_load_path_setup_code'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:91:in `preload_app'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:189:in `block in <module:App>'
  /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:378:in `run_block_and_record_step_progress'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:188:in `<module:App>'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:30:in `<module:PhusionPassenger>'
  /usr/share/passenger/helper-scripts/rack-preloader.rb:29:in `<main>'
The stdout/stderr output of the subprocess so far is:

/usr/lib/ruby/vendor_ruby/rubygems/defaults/operating_system.rb:10: warning: constant Gem::ConfigMap is deprecated
/usr/lib/ruby/vendor_ruby/rubygems/defaults/operating_system.rb:10: warning: constant Gem::ConfigMap is deprecated
/usr/lib/ruby/vendor_ruby/rubygems/defaults/operating_system.rb:29: warning: constant Gem::ConfigMap is deprecated
/usr/lib/ruby/vendor_ruby/rubygems/defaults/operating_system.rb:30: warning: constant Gem::ConfigMap is deprecated
/usr/lib/ruby/vendor_ruby/rubygems/defaults/operating_system.rb:10: warning: constant Gem::ConfigMap is deprecated
 [passenger_native_support.so] trying to compile for the current user (nobody) and Ruby interpreter...
     (set PASSENGER_COMPILE_NATIVE_SUPPORT_BINARY=0 to disable)
     Warning: compilation didn't succeed. To learn why, read this file:
     /tmp/passenger_native_support-x9f25t.log
 [passenger_native_support.so] finding downloads for the current Ruby interpreter...
     (set PASSENGER_DOWNLOAD_NATIVE_SUPPORT_BINARY=0 to disable)
     # tar xzf rubyext-ruby-2.4.10-x86_64-linux.tar.gz
     # rm -f rubyext-ruby-2.4.10-x86_64-linux.tar.gz
     Checking whether downloaded binary is usable...
     # /usr/bin/ruby2.4 -I. test.rb
     /usr/lib/ruby/vendor_ruby/rubygems/defaults/operating_system.rb:10: warning: constant Gem::ConfigMap is deprecated
     /usr/lib/ruby/vendor_ruby/rubygems/defaults/operating_system.rb:10: warning: constant Gem::ConfigMap is deprecated
     /usr/lib/ruby/vendor_ruby/rubygems/defaults/operating_system.rb:29: warning: constant Gem::ConfigMap is deprecated
     /usr/lib/ruby/vendor_ruby/rubygems/defaults/operating_system.rb:30: warning: constant Gem::ConfigMap is deprecated
     /usr/local/lib/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:92:in `require': libruby.so.2.4: cannot open shared object file: No such file or directory - /tmp/passenger-native-support-1g21sb1/passenger_native_support.so (LoadError)
        from /usr/local/lib/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:92:in `require'
        from test.rb:2:in `<main>'
     Binary is not usable.
 [passenger_native_support.so] will not be used (can't compile or download) 
  --> Passenger will still operate normally.
/usr/lib/ruby/vendor_ruby/rubygems/defaults/operating_system.rb:10: warning: constant Gem::ConfigMap is deprecated
Error: The application encountered the following error: 
[!] There was an error evaluating `Gemfile`: ruby_version must match the :engine_version for MRI. Bundler cannot continue.

 #  from /var/www/html/canvas-lms/Gemfile.d/_before.rb:33

 (Bundler::Dsl::DSLError)
    /usr/local/lib/site_ruby/2.4.0/bundler/ruby_dsl.rb:13:in `ruby'
    /var/www/html/canvas-lms/Gemfile.d/_before.rb:33:in `block in eval_gemfile'
    /var/www/html/canvas-lms/Gemfile:23:in `eval'
    /var/www/html/canvas-lms/Gemfile:23:in `block in eval_gemfile'
    /var/www/html/canvas-lms/Gemfile:22:in `each'
    /var/www/html/canvas-lms/Gemfile:22:in `eval_gemfile'
    /usr/local/lib/site_ruby/2.4.0/bundler/dsl.rb:47:in `instance_eval'
    /usr/local/lib/site_ruby/2.4.0/bundler/dsl.rb:47:in `eval_gemfile'
    /usr/local/lib/site_ruby/2.4.0/bundler/dsl.rb:12:in `evaluate'
    /usr/local/lib/site_ruby/2.4.0/bundler/definition.rb:34:in `build'
    /usr/local/lib/site_ruby/2.4.0/bundler.rb:195:in `definition'
    /usr/local/lib/site_ruby/2.4.0/bundler.rb:143:in `setup'
    /usr/local/lib/site_ruby/2.4.0/bundler/setup.rb:20:in `block in <top (required)>'
    /usr/local/lib/site_ruby/2.4.0/bundler/ui/shell.rb:136:in `with_level'
    /usr/local/lib/site_ruby/2.4.0/bundler/ui/shell.rb:88:in `silence'
    /usr/local/lib/site_ruby/2.4.0/bundler/setup.rb:20:in `<top (required)>'
    /usr/local/lib/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:92:in `require'
    /usr/local/lib/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:92:in `require'
    /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:361:in `activate_gem'
    /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:221:in `block in run_load_path_setup_code'
    /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:525:in `running_bundler'
    /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:220:in `run_load_path_setup_code'
    /usr/share/passenger/helper-scripts/rack-preloader.rb:91:in `preload_app'
    /usr/share/passenger/helper-scripts/rack-preloader.rb:189:in `block in <module:App>'
    /usr/lib/ruby/vendor_ruby/phusion_passenger/loader_shared_helpers.rb:378:in `enter code here`run_block_and_record_step_progress'
    /usr/share/passenger/helper-scripts/rack-preloader.rb:188:in `<module:App>'
    /usr/share/passenger/helper-scripts/rack-preloader.rb:30:in `<module:PhusionPassenger>'
    /usr/share/passenger/helper-scripts/rack-preloader.rb:29:in `<main>'

#来自/var/www/html/canvas lms/Gemfile.d/#u before.rb:33
（绑定器：：Dsl：：Dsl错误）
/usr/local/lib/site_ruby/2.4.0/bundler/ruby_dsl.rb:13:in'ruby'
/var/www/html/canvas lms/Gemfile.d/_before.rb:33:in“block in eval_Gemfile”
/var/www/html/canvas lms/Gemfile:23:in“eval”
/var/www/html/canvas lms/Gemfile:23:in“block in eval_Gemfile”
/var/www/html/canvas lms/Gemfile:22:in“each”
/var/www/html/canvas lms/Gemfile:22:in“eval_Gemfile”
/usr/local/lib/site_ruby/2.4.0/bundler/dsl.rb:47:in'instance_eval'
/usr/local/lib/site_ruby/2.4.0/bundler/dsl.rb:47:in'eval_gemfile'
/usr/local/lib/site_ruby/2.4.0/bundler/dsl.rb:12:in'evaluate'
/usr/local/lib/site_ruby/2.4.0/bundler/definition.rb:34:in'build'
/usr/local/lib/site_ruby/2.4.0/bundler.rb:195:在“定义”中
/usr/local/lib/site_ruby/2.4.0/bundler.rb:143:in'setup'
/usr/local/lib/site_ruby/2.4.0/bundler/setup.rb:20:in'block in'
/usr/local/lib/site_ruby/2.4.0/bundler/ui/shell.rb:136:in'with_level'
/usr/local/lib/site_ruby/2.4.0/bundler/ui/shell.rb:88:in'silence'
/usr/local/lib/site\u ruby/2.4.0/bundler/setup.rb:20:in`'
/usr/local/lib/site\u ruby/2.4.0/rubygems/core\u ext/kernel\u require.rb:92:in'require'
/usr/local/lib/site\u ruby/2.4.0/rubygems/core\u ext/kernel\u require.rb:92:in'require'
/usr/lib/ruby/vendor\u ruby/phusion\u passenger/loader\u shared\u helpers.rb:361:in'activate\u gem'
/usr/lib/ruby/vendor\u ruby/phusion\u passenger/loader\u shared\u helpers.rb:221:in`block in run\u load\u path\u setup\u code'
/usr/lib/ruby/vendor\u ruby/phusion\u passenger/loader\u shared\u helpers.rb:525:in'running\u bundler'
/usr/lib/ruby/vendor\u ruby/phusion\u passenger/loader\u shared\u helpers.rb:220:in'run\u load\u path\u setup\u code'
/usr/share/passenger/helper脚本/rack preload.rb:91:in'preload_app'
/usr/share/passenger/helper脚本/rack-preload.rb:189:in'block-in'
/usr/lib/ruby/vendor\u ruby/phusion\u passenger/loader\u shared\u helpers.rb:378:in'run\u block\u and\u record\u step\u progress'
/usr/share/passenger/helper脚本/rack preload.rb:188:in`'
/usr/share/passenger/helper脚本/rack preload.rb:30:in`'
/usr/share/passenger/helper脚本/rack preload.rb:29:in`'
到目前为止，子流程的stdout/stderr输出为：
/usr/lib/ruby/vendor\u ruby/rubygems/defaults/operating\u system.rb:10：警告：常量Gem:：ConfigMap已被弃用
/usr/lib/ruby/vendor\u ruby/rubygems/defaults/operating\u system.rb:10：警告：常量Gem:：ConfigMap已被弃用
/usr/lib/ruby/vendor\u ruby/rubygems/defaults/operating\u system.rb:29：警告：常量Gem:：ConfigMap已被弃用
/usr/lib/ruby/vendor\u ruby/rubygems/defaults/operating\u system.rb:30：警告：常量Gem:：ConfigMap已被弃用
/usr/lib/ruby/vendor\u ruby/rubygems/defaults/operating\u system.rb:10：警告：常量Gem:：ConfigMap已被弃用
[passenger\u native\u support.so]正在尝试为当前用户（nobody）和Ruby解释器编译。。。
（将乘客\编译\本地\支持\二进制=0设置为禁用）
警告：编译未成功。要了解原因，请阅读此文件：
/tmp/乘客\本地\支持-x9f25t.log
[passenger\u native\u support.so]正在查找当前Ruby解释器的下载。。。
（将乘客\下载\本地\支持\二进制=0设置为禁用）
#tar xzf rubyext-ruby-2.4.10-x86_64-linux.tar.gz
#rm-f rubyext-ruby-2.4.10-x86_64-linux.tar.gz
正在检查下载的二进制文件是否可用。。。
#/usr/bin/ruby2.4-I.test.rb
/usr/lib/ruby/vendor\u ruby/rubygems/defaults/operating\u system.rb:10：警告：常量Gem:：ConfigMap已被弃用
/usr/lib/ruby/vendor\u ruby/rubygems/defaults/operating\u system.rb:10：警告：常量Gem:：ConfigMap已被弃用
/usr/lib/ruby/vendor\u ruby/rubygems/defaults/operating\u system.rb:29：警告：常量Gem:：ConfigMap已被弃用
/usr/lib/ruby/vendor\u ruby/rubygems/defaults/operating\u system.rb:30：警告：常量Gem:：ConfigMap已被弃用
/usr/local/lib/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:92:在'require'中：libruby.so.2.4:无法打开共享对象文件：没有这样的文件或目录-/tmp/passer-native-support-1g21sb1/passer_native_support.so（LoadError）
来自/usr/local/lib/site\u ruby/2.4.0/rubygems/core\u ext/kernel\u require.rb:92:in'require'
来自test.rb:2:in`'
二进制文件不可用。
[passenger\u native\u support.so]将不被使用（无法编译或下载）
-->乘客仍可正常操作。
/usr/lib/ruby/vendor\u ruby/rubygems/defaults/operating\u system.rb:10：警告：常量Gem:：ConfigMap已被弃用
错误：应用程序遇到以下错误：
[！]评估“Gemfile”时出错：ruby\u版本必须与MRI的：engine\u版本匹配。绑定程序无法继续。
#from/var/www/html/canvas lms/Gemfile.d/_before.rb:33
（绑定器：：Dsl：：Dsl错误）
/usr/local/lib/site_ruby/2.4.0/bundler/ruby_dsl.rb:13:in'ruby'
/var/www/html/canvas lms/Gemfile.d/_before.rb:33:in“block in eval_Gemfile”
/var/www/html/canvas lms/Gemfile:23:in“eval”
/var/www/html/canvas lms/Gemfile:23:in“block in eval_Gemfile”
/var/www/html/canvas lms/Gemfile:22:in“each”
/var/www/html/canvas lms/Gemfile:22:in“eval_Gemfile”
/usr/local/lib/site_ruby/2.4.0/bundler/dsl.rb:47:in'instance_eval'
/usr/local/lib/site_ruby/2.4.0/bundler/dsl.rb:47:in'eval_gemfile'
/usr/local/lib/site_ruby/2.4.0/bundler/dsl.rb:12:in'evaluate'
/usr/local/lib/site_ruby/2.4.0/bundler/definition.rb:34:in'build'
/usr/local/lib/