Mysql put命令'；railsdb:schema:dump'；

当我运行

railsdb:schema:dump

时，我收到这个错误

rails aborted!
LoadError: libmysqlclient.so.20: cannot open shared object file: No such file or directory - /home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/mysql2-0.4.5/lib/mysql2/mysql2.so
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/mysql2-0.4.5/lib/mysql2.rb:31:in `require'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/mysql2-0.4.5/lib/mysql2.rb:31:in `<top (required)>'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/bundler-1.14.3/lib/bundler/runtime.rb:91:in `require'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/bundler-1.14.3/lib/bundler/runtime.rb:91:in `block (2 levels) in require'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/bundler-1.14.3/lib/bundler/runtime.rb:86:in `each'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/bundler-1.14.3/lib/bundler/runtime.rb:86:in `block in require'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/bundler-1.14.3/lib/bundler/runtime.rb:75:in `each'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/bundler-1.14.3/lib/bundler/runtime.rb:75:in `require'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/bundler-1.14.3/lib/bundler.rb:107:in `require'
/home/mekjaaganu/Sites/simple_cms/config/application.rb:7:in `<top (required)>'
/home/mekjaaganu/Sites/simple_cms/Rakefile:4:in `require_relative'
/home/mekjaaganu/Sites/simple_cms/Rakefile:4:in `<top (required)>'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/railties-5.0.1/lib/rails/commands/rake_proxy.rb:13:in `block in run_rake_task'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/railties-5.0.1/lib/rails/commands/rake_proxy.rb:11:in `run_rake_task'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:51:in `run_command!'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/railties-5.0.1/lib/rails/commands.rb:18:in `<top (required)>'
/home/mekjaaganu/Sites/simple_cms/bin/rails:9:in `require'
/home/mekjaaganu/Sites/simple_cms/bin/rails:9:in `<top (required)>'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/spring-2.0.1/lib/spring/client/rails.rb:28:in `load'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/spring-2.0.1/lib/spring/client/rails.rb:28:in `call'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/spring-2.0.1/lib/spring/client/command.rb:7:in `call'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/spring-2.0.1/lib/spring/client.rb:30:in `run'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/spring-2.0.1/bin/spring:49:in `<top (required)>'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/spring-2.0.1/lib/spring/binstub.rb:31:in `load'
/home/mekjaaganu/.rvm/gems/ruby-2.3.3/gems/spring-2.0.1/lib/spring/binstub.rb:31:in `<top (required)>'
/home/mekjaaganu/Sites/simple_cms/bin/spring:15:in `require'
/home/mekjaaganu/Sites/simple_cms/bin/spring:15:in `<top (required)>'
bin/rails:3:in `load'
bin/rails:3:in `<main>'
(See full trace by running task with --trace)

---

您的计算机中可能缺少开发库。如果尚未安装此库，请安装它

sudo apt-get install libmysqlclient20-dev

---

您的计算机中可能缺少开发库。如果尚未安装此库，请安装它

sudo apt-get install libmysqlclient20-dev

---

这是不对的。OP只是键入了错误的命令，使用了

rails

而不是

rake

。@EddeAlmeida OP可能正在

rails5

中开发。看，没有它，这个应该可以工作。为了安全起见，请再次执行所有步骤：）。请投票表决我的答案。谢谢你。。事实上，我按照您的要求插入了“sudo apt get install libmysqlclient20-dev.”，但我遇到了一个错误，它找不到包。。。所以我要做的是插入'sudo apt get update'，然后插入'sudo apt get install libmysqlclient-dev'，这是不正确的。OP只是键入了错误的命令，使用了

rails

而不是

rake

。@EddeAlmeida OP可能正在

rails5

中开发。看，没有它，这个应该可以工作。为了安全起见，请再次执行所有步骤：）。请投票表决我的答案。谢谢你。。事实上，我按照您的要求插入了“sudo apt get install libmysqlclient20-dev.”，但我遇到了一个错误，它找不到包。。。所以我要做的是插入'sudo apt get update'，然后插入'sudo apt get install libmysqlclient-dev'，请检查此链接请检查此链接