Weird rails error “permission denied: bin/rails” for old rails apps

Question

I\'m getting this error whenever I run rails (or any rails command) _rails_command:2: permission denied: bin/rails ONLY when i\'m inside some

Answer 1

The solution for me was:

bundle exec rake rails:update:bin

or just use:

For new rails versions:

 bundle exec rake app:update:bin

For old rails versions:

bundle exec rake rails:update:bin